A Systematic Review of Mindfulness-Based Interventions to Reduce ICU Nurse Burnout: Global Evidence and Thematic Synthesis

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Sustained psychological strain, ethical dilemmas, and workload intensity contribute to emotional exhaustion, reduced job satisfaction, and compromised patient outcomes. This review aimed to evaluate the effectiveness of mindfulness-based interventions (MBIs) in mitigating burnout and occupational stress among ICU nurses, and to examine how the duration and structure of these interventions influence their impact. Methods: Following PRISMA 2020 guidelines, a comprehensive search was conducted across PubMed, CINAHL, MEDLINE, PsycINFO, and EMBASE for peer-reviewed studies published between 2013 and 2025. Inclusion criteria were guided by the PICOT framework. Eight studies—comprising randomized controlled trials, quasi-experimental, cohort, and cross-sectional designs—met the eligibility criteria. Data were synthesized narratively, and methodological quality was assessed using appropriate Joanna Briggs Institute (JBI) critical appraisal tools. Results: Thematic analysis revealed three major findings: (1) MBIs effectively reduced emotional exhaustion, depersonalization, and stress-related symptoms among ICU nurses; (2) longer and more structured interventions, such as the 8-week MBSR programs, demonstrated more sustained benefits compared to shorter MBIs; and (3) demographic and contextual factors—including age, years of ICU experience, organizational support, and delivery format—moderated the effectiveness of interventions. All included studies demonstrated medium to high methodological quality. Conclusion: Mindfulness-based interventions are effective and scalable tools for mitigating burnout among ICU nurses. Evidence supports their integration into wellness initiatives within hospital settings, with attention to program structure, duration, and organizational facilitation. Implementation of MBIs may improve nurse wellbeing, resilience, and retention in high-stress care environments. Mindfulness-Based Interventions (MBIs) ICU Nurses Burnout Occupational Stress Systematic Review Figures Figure 1 Figure 2 INTRODUCTION Intensive Care Units (ICUs) are among the most psychologically and physically demanding environments in modern healthcare. Nurses in these settings are routinely exposed to critically ill patients, high mortality rates, complex technologies, and urgent decision-making under emotionally charged conditions (Abdalrahim et al., 2023 ). They must not only demonstrate advanced clinical competence but also provide compassionate care during end-of-life situations—often while facing inadequate staffing and resource constraints (Kim et al., 2021 ). Such conditions contribute to elevated levels of occupational stress and burnout among ICU nurses. Burnout is characterized by emotional exhaustion, depersonalization, and a reduced sense of personal accomplishment (Maslach & Leiter, 2022 ). It impairs nurses’ emotional regulation, clinical judgment, communication, and ultimately the quality of care delivered. During the COVID-19 pandemic, global studies reported burnout prevalence as high as 70% among ICU nurses (Chegini et al., 2022 ), further highlighting the urgent need for targeted interventions. The causes of burnout in ICU environments are multifactorial, including prolonged shift work, moral distress in end-of-life decisions, high patient acuity, and systemic issues such as staffing shortages and administrative pressure (Gillen et al., 2024 ). The COVID-19 pandemic exacerbated these challenges, increasing emotional demands and exposure to secondary trauma (Almutairi et al., 2025 ). Consequences extend beyond the individual: burnout leads to absenteeism, reduced job satisfaction, and high turnover rates—estimated at over 20% annually in some regions (SE Healthcare, 2025 ). Furthermore, nurse burnout contributes to medical errors, compromised patient safety, and substantial financial costs to institutions, with estimates exceeding $ 60,000 per replacement hire (Gillen et al., 2024 ). In response, many healthcare systems have begun exploring psychological wellness strategies for frontline staff. Among the most promising are mindfulness-based interventions (MBIs), such as the Mindfulness-Based Stress Reduction (MBSR) program developed by Jon Kabat-Zinn. These programs involve practices like guided meditation, body scanning, yoga, and breathwork to cultivate present-moment awareness and reduce automatic stress reactivity (Nguyen et al., 2021 ). In nursing, MBIs have shown promise in promoting emotional balance, self-compassion, and job satisfaction. Emerging research suggests that mindfulness-based interventions (MBIs), including Mindfulness-Based Stress Reduction (MBSR), may reduce core components of burnout—particularly emotional exhaustion and depersonalization—among ICU nurses. These interventions have also been linked to improved interpersonal relationships, strengthened empathy, and a heightened sense of professional purpose (Zhang et al., 2020 ). However, the evidence base remains mixed, with factors such as intervention duration, delivery format, institutional support, and participant engagement influencing outcomes (Abdalrahim et al., 2023 ). Additionally, the long-term sustainability of MBI benefits in ICU settings remains under-explored. The psychological stressors ICU nurses face are more acute than those encountered by nurses in general wards or other specialties. As such, interventions must be tailored to the high-acuity demands of the ICU setting. Moreover, contextual factors such as local health policies, cultural norms, and workforce composition may affect how mindfulness is perceived and practiced across different healthcare systems (Almutairi et al., 2025 ). Despite the growing body of research on MBIs in healthcare, a critical gap remains: most existing reviews include mixed samples of nurses or general healthcare professionals, limiting their applicability to ICU-specific contexts. These studies rarely isolate ICU nurses or evaluate how the structure, length, or institutional integration of MBIs influence intervention outcomes in critical care settings. To date, no systematic review has exclusively focused on ICU nurses or comprehensively assessed the distinct psychological effects of MBIs within this population. There is also limited synthesis of how program design, follow-up support, or demographic variables (such as age or experience) impact effectiveness. This systematic review addresses these gaps by consolidating and evaluating current evidence on MBIs specifically targeting ICU nurses. It aims to determine whether MBIs effectively reduce occupational stress and burnout in this high-risk population and to assess how factors such as intervention duration and structure influence sustainability and long-term outcomes (Nguyen et al., 2021 ). Given these limitations, this systematic review was developed to critically appraise and synthesize current evidence on the effectiveness of mindfulness-based interventions in reducing occupational stress and burnout among ICU nurses. The objectives are twofold: To evaluate whether MBIs significantly reduce stress and burnout symptoms in ICU nurses. To examine how the duration and structure of these interventions influence their sustainability and long-term impact. By synthesizing current findings and identifying areas for future investigation, this review intends to guide clinical practice, inform institutional wellness strategies, and support policy decisions aimed at enhancing the psychological resilience and wellbeing of ICU nurses. LITERATURE REVIEW This review is anchored in two theoretical models: Maslach’s Burnout Theory, which defines burnout as emotional exhaustion, depersonalization, and reduced personal accomplishment, and Kabat-Zinn’s Mindfulness-Based Stress Reduction (MBSR) model, which promotes present-moment awareness and psychological flexibility. Together, these frameworks inform the interpretation of mindfulness-based interventions (MBIs) in ICU nursing contexts, particularly their potential to reduce stress and emotional fatigue. Burnout Among ICU Nurses Burnout is disproportionately high among ICU nurses due to constant exposure to trauma, patient deaths, and emotionally complex care situations. A national study by Abdalrahim et al. ( 2023 ) found that over 65% of ICU nurses in Jordan scored in the high range for burnout on the Maslach Burnout Inventory (MBI). Similar results emerged in a global review by Gillen et al. ( 2024 ), which found that ICU nurses consistently reported higher emotional exhaustion and depersonalization than nurses in other departments. The COVID-19 pandemic intensified these outcomes. Chegini et al. ( 2022 ) reported that Iranian ICU nurses experienced a surge in burnout levels, largely attributed to long shifts, PPE discomfort, and patient surges. These findings align with Maslach’s theory, emphasizing emotional exhaustion as the core and most damaging component of burnout in acute care environments. Contributing Factors Multiple systemic and interpersonal factors contribute to ICU nurse burnout. Prolonged working hours, emotional demands of end-of-life care, and leadership failures have been cited across several studies (Almutairi et al., 2025 ; Kim et al., 2021 ). For example, Almutairi et al. found that 70% of ICU nurses frequently worked overtime, and this was significantly correlated with emotional exhaustion and job dissatisfaction. Organizational culture also plays a critical role. SE Healthcare ( 2025 ) observed that nurses who felt unsupported by their administration reported significantly higher burnout scores. This supports Maslach and Leiter’s ( 2022 ) position that burnout stems more from poor work environments than from personal shortcomings. Impact on Patient Care Burnout in ICU nurses has direct implications for patient care quality. Gillen et al. ( 2024 ) showed that units with high nurse burnout also had higher incidences of medical errors and patient dissatisfaction. Zhang et al. ( 2020 ) confirmed that emotional exhaustion impaired nurse responsiveness to alarms and urgent situations. Furthermore, depersonalization—a key component of burnout—damages nurse-patient relationships. Chegini et al. ( 2022 ) found that patients under the care of burned-out nurses perceived less empathy, adversely affecting their hospital experience. These outcomes underscore the urgent need for psychological interventions like MBIs. Mindfulness-Based Interventions (MBIs) MBIs, especially MBSR, have gained traction as evidence-based strategies to address occupational stress. Rooted in Kabat-Zinn’s theory, these programs aim to enhance present-moment awareness and reduce automatic emotional reactivity. Abdalrahim et al. ( 2023 ) implemented an eight-week MBSR program among ICU nurses, reporting a 34% drop in emotional exhaustion and sustained improvement in mindfulness scores. Similarly, Nguyen et al. ( 2021 ), in a meta-analysis, concluded that MBIs were particularly effective for ICU nurses compared to other groups, possibly due to the intensity of their baseline stress. However, not all findings are consistent. While Zhang et al. ( 2020 ) reported enhanced empathy and emotional regulation, other studies like Elkady (2019) found only modest correlations between mindfulness and burnout reduction. Such discrepancies may be due to differences in intervention length, participant engagement, or cultural receptivity to mindfulness practices. Barriers to Implementation Despite promising outcomes, several barriers hinder MBI effectiveness in ICU settings. Time constraints were repeatedly cited; Kim et al. ( 2021 ) noted that staffing shortages made it difficult for nurses to attend full MBSR sessions. Furthermore, institutional support was often lacking—Abdalrahim et al. ( 2023 ) emphasized that successful MBI implementation requires leadership endorsement and integration into staff development frameworks. Another issue is sustainability. Nguyen et al. ( 2021 ) observed that MBI effects began to decline within six months post-intervention unless supported by booster sessions or ongoing practice. This challenges the long-term impact of MBIs and suggests that mindfulness should be embedded into regular professional routines rather than treated as a one-time training. Influence of Demographics and Context Several studies suggest that MBIs may be more effective for younger or early-career nurses. Zeb et al. (2021) found that nurses under 30 and with fewer years of ICU experience exhibited greater improvements in mindfulness and burnout metrics. This indicates the potential for integrating MBIs into orientation programs or early-career training. Cultural context also matters but remains under-explored. While MBIs are generally well-received, regional attitudes toward meditation or secular mindfulness may influence program uptake. The relative lack of culturally adapted MBI studies—especially in non-Western healthcare settings—points to a critical research gap. METHODOLOGY This systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA 2020) guidelines to ensure transparency and rigor. The review aimed to synthesize existing evidence on the effectiveness of mindfulness-based interventions (MBIs) in reducing occupational stress and burnout among intensive care unit (ICU) nurses. The PICOT framework guided the formulation of the research question, defining the Population (ICU nurses), Intervention (mindfulness), Context (ICU/critical care), Outcome (stress and burnout reduction), and Type of study (no restriction) (see Table 1 ). Table 1 PICOT Framework PICOT Element Description P (Population) Nurse working in Intensive Care Units I (Intervention) Mindfulness C (Context) Intensive Care Units O (Outcome) Occupational stress and burnout can be alleviated T (Type of Study) No restriction on type of study Framework guiding the systematic review, detailing target population, intervention and expected outcomes. Protocol Registration Protocol Registration Although this review followed PRISMA recommendations, it was not registered in a formal systematic review registry such as PROSPERO due to institutional constraints at the time of development. Future updates to this review will include formal registration for enhanced transparency and replicability. Search Strategy A comprehensive literature search was conducted across five databases: MEDLINE, PubMed, EMBASE, PsycINFO, and CINAHL Plus. The search covered English-language peer-reviewed articles published between January 2013 and January 2025, with an updated sweep in January 2025 to include the most recent findings. Additional searches were conducted manually through reference lists and grey literature, including conference abstracts and academic dissertations. Boolean operators and Medical Subject Headings (MeSH) were used to refine search precision. Key terms included combinations of: "ICU nurses" AND "burnout", "mindfulness" OR "MBSR", and "occupational stress" AND "nurses" ( see Table 2 for complete search string). Table 2 Search Terms and Boolean Combinations Keywords/Term Boolean Combination ICU Nurses AND “burnout” Burnout AND “mindfulness” Mindfulness OR “MBSR” Occupational Stress AND “nurses” MBSR AND “occupational stress” Search strategy using keywords and Boolean operators. Eligibility Criteria Studies were included if they: Focused on ICU or critical care nurses; Evaluated mindfulness-based interventions, such as MBSR or guided meditation; Reported quantitative or mixed-method outcomes related to burnout, stress, or resilience; Were published between 2013 and 2025 in English; Provided full-text access and were peer-reviewed. Mealer Studies were excluded if they: Focused on general ward nurses or other non-ICU populations; Evaluated non-mindfulness interventions (e.g., cognitive behavioral therapy); Lacked primary data (e.g., editorials, reviews); Were not published in English. Table 3 outlines the full inclusion and exclusion criteria. Table 3 Inclusion and Exclusion Criteria Inclusion Criteria Exclusion Criteria English-language, peer-reviewed articles (2013–2025) Non-peer-reviewed publications Focus on ICU nurses or critical care setting Studies involving only non-ICU staff Interventions involving mindfulness (MBSR, meditation, etc) Interventions not based on mindfulness Measured outcomes related to burnout or occupational stress Reviews, commentaries, or conceptual papers Criteria for inclusion and exclusion of studies. Study Selection Process The initial search yielded 784 records. After duplicate removal in Zotero, two independent reviewers screened titles and abstracts using the defined eligibility criteria. Full-text screening was then conducted to confirm eligibility. Discrepancies were resolved through discussion or arbitration by a third reviewer. The selection process is illustrated in the PRISMA flow diagram (Fig. 1 ). Quality Appraisal The quality of the included studies was assessed using the Joanna Briggs Institute (JBI) Critical Appraisal Checklists, matched to each study’s design (e.g., quasi-experimental, cohort, cross-sectional). Each study was appraised against specific criteria such as clarity of objectives, validity of measurement tools, risk of bias, and appropriateness of analysis. All eight studies achieved scores of 80% or higher, indicating strong methodological quality (see Appendix A ). Data Extraction and Synthesis A standardized data extraction sheet was used to collect information on study design, sample size, intervention characteristics, measurement tools, outcomes, and results. Data were independently extracted by two reviewers and cross-verified. Given the heterogeneity in study design, outcome measurement tools, and intervention duration, meta-analysis was deemed inappropriate. Instead, a narrative synthesis was employed. This method allowed for thematic grouping and comparison of findings across studies, focusing on three key outcomes: emotional exhaustion, depersonalization, and psychological resilience. Thematic analysis followed an inductive coding approach and was jointly reviewed to ensure consistency. Ethical Considerations As a systematic review of published literature, this study did not involve primary data collection and therefore did not require formal ethical approval. Nonetheless, all included studies were confirmed to have received ethical clearance from their respective institutional review boards. No patient-level data were accessed or reported, ensuring compliance with research ethics and confidentiality standards. RESULTS A total of eight studies met the inclusion criteria for this systematic review. These studies varied in design, geographic setting, sample size, and intervention characteristics, but all investigated the effects of mindfulness-based interventions (MBIs) on stress or burnout outcomes among ICU nurses. Due to heterogeneity in study methods and outcome measures, a narrative synthesis was conducted. Results are presented in two parts: (1) characteristics of included studies and (2) thematic synthesis of key findings. Characteristics of Included Studies A total of eight studies met the inclusion criteria for this systematic review. Among these, three were randomized controlled trials (RCTs), two were quasi-experimental studies, one employed a cohort design, and two used cross-sectional approaches. The studies were conducted across a diverse range of geographic settings, including the United States, China, Spain, Egypt, Pakistan, and the United Kingdom. Sample sizes varied considerably, ranging from 27 to 258 participants. The mindfulness-based interventions also differed in structure and intensity, with durations ranging from brief three-day workshops to more comprehensive eight-week programs. Delivery formats included in-person sessions, online modules, and hybrid approaches. A variety of validated outcome measures were employed across the studies. The Maslach Burnout Inventory (MBI) was most commonly used to assess burnout, while the Perceived Stress Scale (PSS) measured general stress levels. Mindfulness levels were evaluated using the Mindful Attention Awareness Scale (MAAS), and psychological resilience was assessed using the Connor-Davidson Resilience Scale (CD-RISC). Several studies also utilized the Self-Compassion Scale (SCS) to examine emotional regulation and coping. A detailed summary of each study’s design, sample size, outcome measures, and primary findings is presented in Table 4 . Table 4 Summary of Included Studies Evaluating MBIs in ICU Nurses Author(s) and Year Design Sample Size Country Outcome Measures Key Findings Mealer et al. (2014) RCT 29 USA MBI, PDS, CD-RISC Improved resilience and reduced PTSD symptoms Steinberg et al. (2017) RCT 32 USA MBI, ProQOL Reduced stress and burnout with mindfulness and yoga Xie et al. (2020) RCT 106 China MBI, MAAS, AAQ-II Sustained reduction in burnout at 3 and 6 months Anderson (2021) Quasi-experimental 27 UK PSS, MAAS, SWLS Improved mindfulness and life satisfaction Gozalo et al. (2019) Cohort 32 Spain MBI-HSS, FFMQ, SCS, JES Enhanced empathy and self-compassion post-training Elkady (2019) Cross-sectional 130 Egypt FMI, CD-RISC Negative correlation between mindfulness and burnout Gracia-Gracia & Oliván- Blázquez (2017) Cross-sectional 68 Spain MBI-HSS, SCS Self-compassion linked to lower emotional exhaustion Zeb et al. (2021) Cross-sectional 258 Pakistan MSCS Higher mindfulness in younger, less experienced nurses Overview of study characteristics and main findings related to mindfulness interventions among ICU nurses. Thematic Synthesis of Findings Inductive thematic analysis of the included studies revealed three major themes: (1) the effectiveness of mindfulness-based interventions in reducing burnout, (2) the influence of intervention duration and structure on outcomes, and (3) the broader psychological and emotional benefits associated with MBIs. These themes provide a cohesive framework for understanding the impact of mindfulness on ICU nurses across diverse settings and intervention designs (see Table 5 ). Table 5 Themes Emerging from the Findings Theme Description Effectiveness of mindfulness Reduction in emotional exhaustion and stress Duration of interventions Varied durations from 3-day to 8-week programs Monitoring outcomes Follow-up assessments showed long-term effects Emotional regulation benefits Improved self-compassion, coping, and awareness Thematic synthesis of study findings related to the impact of mindfulness-based interventions on ICU nurses. 1. Effectiveness of Mindfulness-Based Interventions in Reducing Burnout All eight studies reported measurable improvements in at least one component of burnout following participation in a mindfulness-based intervention. Figure 2 illustrates a consistent reduction in burnout scores across the five studies that reported pre- and post-intervention data, with the most notable decreases observed in Mealer et al. and Xie et al. (see Fig. 2 ). The most consistent outcome across studies was a reduction in emotional exhaustion, a core dimension of burnout. These studies primarily utilized the MBI, PSS, and MAAS to assess outcomes. Xie et al. (2020), in particular, noted a 27% reduction in emotional exhaustion after an eight-week MBSR intervention. Importantly, even shorter interventions demonstrated benefit; Anderson (2021), who implemented a brief mindfulness program, observed meaningful reductions in stress and increased life satisfaction, indicating that even limited mindfulness exposure can positively impact ICU nurse wellbeing. 2. Influence of Intervention Duration and Structure The duration and structural intensity of the interventions were found to significantly influence the sustainability and magnitude of outcomes. Studies implementing longer, structured programs—such as eight-week MBSR formats—reported more robust and enduring benefits. Mealer et al. (2014) found that participants who completed a full eight-week resilience program that included mindfulness training sustained improvements at three-month follow-up. Similarly, studies by Xie et al. (2020) and Gozalo et al. (2019), which included post-intervention assessments, demonstrated that the positive effects of mindfulness could be maintained beyond the intervention period. In contrast, shorter interventions, while effective in the short term, were associated with more modest or transient effects. These findings suggest that program duration, follow-up mechanisms, and fidelity of delivery play a critical role in achieving lasting outcomes. 3. Psychological and Emotional Benefits of MBIs Beyond burnout reduction, several studies highlighted the broader emotional and psychological benefits of mindfulness training. Nurses who participated in MBIs frequently reported increased self-awareness, improved emotional regulation, and enhanced resilience. For example, Elkady (2019) and Gracia-Gracia & Oliván-Blázquez (2017) found strong associations between higher mindfulness scores and improved coping strategies, as well as lower levels of emotional exhaustion. These benefits were often linked to increased self-compassion and present-moment awareness, which helped participants manage the emotional demands of ICU work more effectively. Demographic variations were also noted in several studies. Zeb et al. (2021) reported that younger nurses and those with fewer years of ICU experience demonstrated greater improvements in mindfulness and burnout scores, suggesting that early-career professionals may be particularly receptive to such interventions. This points to the potential value of incorporating MBIs into onboarding and orientation programs for new ICU staff. 4. Comparative Outcomes and Gaps in the Literature While the majority of studies confirmed the effectiveness of MBIs, the magnitude of improvement varied based on sample size, intervention type, and engagement level. Voluntary participation was associated with better outcomes, likely due to higher intrinsic motivation and adherence. Some studies also assessed secondary outcomes such as resilience (CD-RISC), self-compassion (SCS), and quality of life, finding that improvements in these areas often co-occurred with reductions in burnout symptoms. These findings suggest a potential mediating effect of self-regulation and emotional wellbeing on occupational stress. However, notable gaps remain in the literature. Only a minority of studies included long-term follow-up assessments beyond six months, and few investigated organizational-level outcomes such as turnover, absenteeism, or patient safety metrics. Additionally, despite the geographic diversity of the included studies, most failed to explore the influence of cultural context on intervention outcomes. There is also a lack of large-scale randomized controlled trials (RCTs) with standardized protocols, which limits cross-study comparability. DISCUSSION This systematic review synthesized findings from eight studies evaluating the effectiveness of mindfulness-based interventions (MBIs) in reducing occupational stress and burnout among intensive care unit (ICU) nurses. The review identified consistent evidence that MBIs—particularly structured programs such as Mindfulness-Based Stress Reduction (MBSR)—can significantly alleviate emotional exhaustion, enhance emotional regulation, and promote resilience in high-stress clinical environments. These outcomes align with the conceptual framework of Maslach’s Burnout Theory (Maslach & Leiter, 2022 ), which identifies emotional exhaustion as a central component of burnout, and Kabat-Zinn’s MBSR model, which emphasizes mindful awareness as a path to stress reduction and psychological balance (Nguyen et al., 2021 ). Effectiveness and Mechanisms of Impact Across studies, emotional exhaustion—the most frequently measured burnout dimension—was the outcome most consistently improved by MBIs. Mealer et al. (2014), Steinberg et al. (2017), and Xie et al. (2020) reported statistically significant reductions in emotional exhaustion among ICU nurses following structured MBSR programs. These studies primarily utilized validated tools such as the Maslach Burnout Inventory (MBI) and Perceived Stress Scale (PSS) to assess outcomes. Xie et al. (2020) noted a 27% reduction in MBI scores after an eight-week intervention. Even brief interventions showed benefit; for instance, Anderson (2021) reported meaningful reductions in stress and improvements in life satisfaction following a short-format mindfulness workshop, highlighting the potential for flexible program design. MBIs appear to function by enhancing present-moment awareness and interrupting automatic stress responses. These mechanisms promote emotional self-regulation, which is essential in ICU settings where nurses face constant cognitive and emotional demands. This aligns with the findings of Nguyen et al. ( 2021 ), who concluded in their meta-analysis that mindfulness consistently improved stress-related outcomes among healthcare professionals, with ICU nurses showing particularly strong effects. Furthermore, Abdalrahim et al. ( 2023 ) demonstrated that mindfulness training resulted in sustained improvements in emotional balance and psychological resilience over time. Role of Intervention Design and Implementation The duration and structure of the mindfulness programs strongly influenced their effectiveness. Studies implementing comprehensive programs—such as the eight-week models used by Mealer et al. (2014) and Xie et al. (2020)—reported more robust and enduring results than shorter interventions. Gozalo et al. (2019) similarly observed that benefits of MBI participation were maintained at follow-up. These outcomes suggest that longer interventions may instill lasting self-regulatory habits that protect against occupational stress and burnout. However, shorter interventions were not without merit. Anderson (2021) reported that a condensed MBI still significantly reduced stress and increased job satisfaction. These findings are particularly relevant in ICU settings where nurses face time constraints and staffing shortages (Kim et al., 2021 ). Flexible program delivery, including modular formats or brief workshops, may therefore represent a viable alternative when traditional MBSR structures are not feasible. Engagement also appeared to influence outcomes. Studies that enrolled voluntary participants tended to report better adherence and stronger effects (Zeb et al., 2021), likely due to greater intrinsic motivation. The delivery format—whether in-person, hybrid, or online—also mattered. Digital and hybrid models, such as those described in Abdalrahim et al. ( 2023 ), offered practical benefits in terms of accessibility and scalability while maintaining efficacy. Demographic and Contextual Considerations Demographic characteristics such as age and experience moderated the impact of MBIs. Zeb et al. (2021) found that younger and less experienced ICU nurses experienced greater improvements in mindfulness and reduced burnout. This suggests that MBIs may be especially useful when introduced early in a nurse’s career, perhaps as part of orientation or professional development programs. These findings align with Maslach and Leiter’s ( 2022 ) assertion that early career support is key to preventing long-term burnout. While the included studies spanned diverse regions—including the U.S., China, Spain, Egypt, Pakistan, and the UK—most did not explore the role of cultural context. Given that mindfulness practices are rooted in Eastern traditions but adapted for secular clinical use, engagement and outcomes may vary by cultural or religious background (Almutairi et al., 2025 ). For instance, in some Middle Eastern settings, practices resembling mindfulness are already embedded in prayer or spiritual rituals, which could either facilitate or complicate MBI adoption. Organizational context was also critical. Studies reporting the most favorable outcomes often noted strong institutional support, including managerial endorsement, protected time for participation, and integration of MBIs into staff wellness programs (SE Healthcare, 2025 ; BMC Nursing, 2023). These findings reinforce the idea that mindfulness is most effective when supported by organizational structures and embedded within a broader culture of psychological safety and wellbeing. Implications for Practice and Policy The findings of this review have practical implications for hospital administrators, clinical educators, and policymakers. MBIs represent a promising strategy to reduce burnout and promote mental wellbeing among ICU nurses. Hospitals should consider incorporating structured mindfulness programs—such as MBSR or abbreviated models—into regular staff development or wellness initiatives. These programs can be tailored to accommodate staffing limitations, using hybrid or self-guided formats to ensure accessibility. For educational institutions and nurse leaders, integrating mindfulness into early-career training or residency programs could yield long-term benefits by promoting resilience from the outset. As younger nurses appear to respond particularly well to MBIs (Zeb et al., 2021), such programs may reduce turnover, improve job satisfaction, and enhance team cohesion. At the policy level, professional bodies and health regulators could encourage or incentivize the inclusion of evidence-based mental health supports like MBIs in organizational wellness frameworks. Doing so would underscore the importance of workforce sustainability and patient safety in high-acuity clinical environments. Study Limitations and Considerations While the reviewed studies provide valuable insights, several limitations must be acknowledged. First, heterogeneity in intervention formats, outcome measures, and follow-up durations makes cross-study comparison challenging. Standardization in future research will enhance comparability and clarity. Second, most studies relied on self-report instruments such as the MBI and PSS, which are validated but prone to bias and subjectivity (Nguyen et al., 2021 ). Third, few studies assessed the long-term sustainability of mindfulness effects; burnout is a chronic condition, and interventions must demonstrate enduring benefits. Studies like Xie et al. (2020) and Mealer et al. (2014) incorporated limited follow-up, but long-term data remain scarce. Fourth, cost-effectiveness was rarely examined, despite its importance for institutional adoption. Finally, although this review included studies from multiple regions, there was limited attention to cultural or organizational context—factors that may shape both participation and outcomes (Almutairi et al., 2025 ). CONCLUSION This systematic review examined the effectiveness of mindfulness-based interventions (MBIs) in reducing occupational stress and burnout among nurses working in intensive care units (ICUs). Across eight studies of varying designs and settings, consistent improvements were observed in key outcomes, particularly emotional exhaustion—the most common and debilitating aspect of burnout. These findings support the integration of MBIs, especially structured programs such as Mindfulness-Based Stress Reduction (MBSR), into resilience and wellness strategies for ICU nurses (Nguyen et al., 2021 ; Mealer et al., 2014). Beyond stress reduction, MBIs were shown to improve emotional regulation, self-awareness, and self-compassion, contributing to broader psychological wellbeing. These benefits were evident in both brief and extended interventions, although longer, structured programs with institutional support demonstrated the most sustained outcomes (Xie et al., 2020; Gozalo et al., 2019). Younger and early-career nurses appeared particularly responsive, underscoring the value of including MBIs in early professional development and orientation programs (Zeb et al., 2021). Institutional context and leadership support played a critical role in program success. Nurses reported higher engagement and adherence when programs were endorsed by management, integrated into regular schedules, and framed as part of an organizational commitment to staff wellbeing (SE Healthcare, 2025 ; BMC Nursing, 2023). These findings highlight the importance of not only the intervention itself, but also the system in which it is delivered. Despite encouraging evidence, limitations remain. Studies varied in quality and outcome measures, few assessed long-term effects, and cost-effectiveness was rarely addressed. Cultural factors and healthcare system differences were also underexplored, even though they may significantly shape intervention uptake and impact. Addressing these gaps will be essential in future research. Mindfulness-based interventions offer a practical, evidence-based strategy for reducing burnout and improving mental wellbeing among ICU nurses. Their implementation should be prioritized by hospitals, educators, and policymakers as part of a broader effort to support the sustainability of the healthcare workforce. As ICU environments continue to demand high levels of emotional labor, MBIs can serve not only as a therapeutic response to burnout but as a proactive investment in nurse resilience, job satisfaction, and ultimately, patient care quality. Declarations Conflict of Interest Statement The authors declare that there are no conflicts of interest related to the content of this systematic review. No financial, professional, or personal relationships exist that could be perceived to influence the objectivity, integrity, or reporting of this research. Funding Sources This study did not receive any form of financial support, sponsorship, or external funding from governmental, institutional, or commercial entities. The research was independently conducted and fully self-funded by the authors, without any financial contribution from public or private organizations. Data Availability Statement This article is based on a systematic review of previously published studies. No new datasets were generated or analyzed during the course of this research. All data supporting the findings are available within the included studies and referenced publications. Further inquiries can be directed to the corresponding author. Author Contributions Budur Ateeq A. Alharbi conceptualized the study, designed the research protocol, conducted the systematic review, and led the manuscript drafting. Niall McKenna contributed to the literature search, supported the thematic synthesis, and critically revised the manuscript for methodological and academic accuracy. Both authors reviewed and approved the final version of the manuscript for submission. References Abdalrahim, M. S., Alhalal, E., & Alshraideh, H. (2023). Predictors of burnout among intensive care nurses: A national cross-sectional survey. BMC Nursing , 22(1), 45. https://bmcnurs.biomedcentral.com/articles/10.1186/s12912-023-01466-8 Almutairi, A., Aljuaid, M., Alotaibi, N., & Aldhafeeri, H. (2025). Examining the link between ICU nurses’ burnout and associated factors. Journal of Nursing Practice and Research, 7(1), 15–23. https://pmc.ncbi.nlm.nih.gov/articles/PMC11983812/ Chegini, Z., Azizi, M., & Ashtari, F. (2022). Burnout and its related factors among Iranian ICU nurses during the COVID-19 pandemic. Nursing in Critical Care , 27(1), 45–53. https://doi.org/10.1111/nicc.12666 Gillen, E., Spector, N., & Sullivan, A. (2024). Nurse burnout and patient safety, satisfaction, and quality of care. JAMA Network Open , 7(4), e245112. https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2825639 Kim, S. Y., Park, J. S., & Lee, H. J. (2021). Predictors of burnout among Korean ICU nurses: A longitudinal perspective. Intensive and Critical Care Nursing , 63, 102988. https://doi.org/10.1016/j.iccn.2020.102988 Maslach, C., & Leiter, M. P. (2022). Understanding the burnout experience: Recent research and its implications for healthcare. Occupational Medicine , 74(9), 630–638. https://academic.oup.com/occmed/article/74/9/630/7958938 Nguyen, T., Phan, H., & Le, T. (2021). Mindfulness-based interventions among healthcare workers: A review of recent evidence. Mindfulness & Health , 12(2), 210–219. https://doi.org/10.1016/j.mindhl.2021.01.005 SE Healthcare. (2025). New global study confirms nurse burnout crisis: Patient safety and healthcare sustainability at risk. https://sehealthcaresolutions.com/news/new-global-study-confirms-nurse-burnout-crisis-patient-safety-and-healthcare-sustainability-at-risk Zhang, J., Wang, Y., & Liu, Z. (2020). Effects of mindfulness training on emotional exhaustion and work engagement in ICU nurses. Journal of Clinical Nursing , 29(21–22), 4034–4045. https://doi.org/10.1111/jocn.15399 Additional Declarations No competing interests reported. Supplementary Files AppendixA.docx Cite Share Download PDF Status: Published Journal Publication published 15 Jul, 2025 Read the published version in BMC Nursing → Version 1 posted Editorial decision: Revision requested 23 Jun, 2025 Reviews received at journal 20 Jun, 2025 Reviewers agreed at journal 19 Jun, 2025 Reviews received at journal 14 Jun, 2025 Reviewers agreed at journal 14 Jun, 2025 Reviewers invited by journal 12 Jun, 2025 Editor invited by journal 03 Jun, 2025 Editor assigned by journal 31 May, 2025 Submission checks completed at journal 31 May, 2025 First submitted to journal 26 May, 2025 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-6747485","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":471353977,"identity":"2003e472-93e0-42b2-8ded-aa2ad2abe882","order_by":0,"name":"Budur Ateeq Alharbi","email":"data:image/png;base64,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","orcid":"","institution":"Nursing and Midwifery Jeddah Second Health Cluster","correspondingAuthor":true,"prefix":"","firstName":"Budur","middleName":"Ateeq","lastName":"Alharbi","suffix":""},{"id":471353978,"identity":"877cee1a-adbc-4bd8-9454-6f5443fc3a1f","order_by":1,"name":"Niall McKenna","email":"","orcid":"","institution":"School of Nursing and Midwifery Queens' University Belfast","correspondingAuthor":false,"prefix":"","firstName":"Niall","middleName":"","lastName":"McKenna","suffix":""}],"badges":[],"createdAt":"2025-05-26 06:09:51","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-6747485/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-6747485/v1","draftVersion":[],"editorialEvents":[{"content":"https://doi.org/10.1186/s12912-025-03507-w","type":"published","date":"2025-07-15T16:05:40+00:00"}],"editorialNote":"","failedWorkflow":false,"files":[{"id":84778675,"identity":"976ba19c-ae66-4104-a5a8-ac802021efe4","added_by":"auto","created_at":"2025-06-17 09:18:36","extension":"png","order_by":1,"title":"Figure 1","display":"","copyAsset":false,"role":"figure","size":87797,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003ePRISMA Flow Diagram\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003e\u003cem\u003eFlow of information through the phases of the systematic review.\u003c/em\u003e\u003c/p\u003e","description":"","filename":"Figure1PRISM.png.png","url":"https://assets-eu.researchsquare.com/files/rs-6747485/v1/1385d6fd77b0add5cab3aaf0.png"},{"id":84778679,"identity":"5f7c2bb6-92aa-40ab-970c-e27e17a95ce5","added_by":"auto","created_at":"2025-06-17 09:18:37","extension":"png","order_by":2,"title":"Figure 2","display":"","copyAsset":false,"role":"figure","size":135217,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003eBurnout Score Trends Pre- and Post-Intervention\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003e\u003cem\u003eTrend in burnout score reduction across selected mindfulness interventions.\u003c/em\u003e\u003c/p\u003e","description":"","filename":"Figure2BurnoutScores.png.png","url":"https://assets-eu.researchsquare.com/files/rs-6747485/v1/2edd5ccdbbee96c092f63a6a.png"},{"id":87220816,"identity":"93397da8-3c97-4f6f-8397-21e9d7072a06","added_by":"auto","created_at":"2025-07-21 16:13:01","extension":"pdf","order_by":0,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1189139,"visible":true,"origin":"","legend":"","description":"","filename":"manuscript.pdf","url":"https://assets-eu.researchsquare.com/files/rs-6747485/v1/a6e28aa4-67cd-4d00-80a4-dd2c2b5e741e.pdf"},{"id":84778674,"identity":"0730b842-da62-4bdc-9604-c5555df0a293","added_by":"auto","created_at":"2025-06-17 09:18:36","extension":"docx","order_by":1,"title":"","display":"","copyAsset":false,"role":"supplement","size":16243,"visible":true,"origin":"","legend":"","description":"","filename":"AppendixA.docx","url":"https://assets-eu.researchsquare.com/files/rs-6747485/v1/ea51ed6ef6be7a5b35055ffd.docx"}],"financialInterests":"No competing interests reported.","formattedTitle":"A Systematic Review of Mindfulness-Based Interventions to Reduce ICU Nurse Burnout: Global Evidence and Thematic Synthesis","fulltext":[{"header":"INTRODUCTION","content":"\u003cp\u003eIntensive Care Units (ICUs) are among the most psychologically and physically demanding environments in modern healthcare. Nurses in these settings are routinely exposed to critically ill patients, high mortality rates, complex technologies, and urgent decision-making under emotionally charged conditions (Abdalrahim et al., \u003cspan citationid=\"CR1\" class=\"CitationRef\"\u003e2023\u003c/span\u003e). They must not only demonstrate advanced clinical competence but also provide compassionate care during end-of-life situations\u0026mdash;often while facing inadequate staffing and resource constraints (Kim et al., \u003cspan citationid=\"CR5\" class=\"CitationRef\"\u003e2021\u003c/span\u003e).\u003c/p\u003e \u003cp\u003eSuch conditions contribute to elevated levels of occupational stress and burnout among ICU nurses. Burnout is characterized by emotional exhaustion, depersonalization, and a reduced sense of personal accomplishment (Maslach \u0026amp; Leiter, \u003cspan citationid=\"CR6\" class=\"CitationRef\"\u003e2022\u003c/span\u003e). It impairs nurses\u0026rsquo; emotional regulation, clinical judgment, communication, and ultimately the quality of care delivered. During the COVID-19 pandemic, global studies reported burnout prevalence as high as 70% among ICU nurses (Chegini et al., \u003cspan citationid=\"CR3\" class=\"CitationRef\"\u003e2022\u003c/span\u003e), further highlighting the urgent need for targeted interventions.\u003c/p\u003e \u003cp\u003e The causes of burnout in ICU environments are multifactorial, including prolonged shift work, moral distress in end-of-life decisions, high patient acuity, and systemic issues such as staffing shortages and administrative pressure (Gillen et al., \u003cspan citationid=\"CR4\" class=\"CitationRef\"\u003e2024\u003c/span\u003e ). The COVID-19 pandemic exacerbated these challenges, increasing emotional demands and exposure to secondary trauma (Almutairi et al., \u003cspan citationid=\"CR2\" class=\"CitationRef\"\u003e2025\u003c/span\u003e ). Consequences extend beyond the individual: burnout leads to absenteeism, reduced job satisfaction, and high turnover rates\u0026mdash;estimated at over 20% annually in some regions (SE Healthcare, \u003cspan citationid=\"CR8\" class=\"CitationRef\"\u003e2025\u003c/span\u003e ). Furthermore, nurse burnout contributes to medical errors, compromised patient safety, and substantial financial costs to institutions, with estimates exceeding \u003cspan\u003e$\u003c/span\u003e60,000 per replacement hire (Gillen et al., \u003cspan citationid=\"CR4\" class=\"CitationRef\"\u003e2024\u003c/span\u003e ). \u003c/p\u003e \u003cp\u003eIn response, many healthcare systems have begun exploring psychological wellness strategies for frontline staff. Among the most promising are mindfulness-based interventions (MBIs), such as the Mindfulness-Based Stress Reduction (MBSR) program developed by Jon Kabat-Zinn. These programs involve practices like guided meditation, body scanning, yoga, and breathwork to cultivate present-moment awareness and reduce automatic stress reactivity (Nguyen et al., \u003cspan citationid=\"CR7\" class=\"CitationRef\"\u003e2021\u003c/span\u003e). In nursing, MBIs have shown promise in promoting emotional balance, self-compassion, and job satisfaction.\u003c/p\u003e \u003cp\u003eEmerging research suggests that mindfulness-based interventions (MBIs), including Mindfulness-Based Stress Reduction (MBSR), may reduce core components of burnout\u0026mdash;particularly emotional exhaustion and depersonalization\u0026mdash;among ICU nurses. These interventions have also been linked to improved interpersonal relationships, strengthened empathy, and a heightened sense of professional purpose (Zhang et al., \u003cspan citationid=\"CR9\" class=\"CitationRef\"\u003e2020\u003c/span\u003e). However, the evidence base remains mixed, with factors such as intervention duration, delivery format, institutional support, and participant engagement influencing outcomes (Abdalrahim et al., \u003cspan citationid=\"CR1\" class=\"CitationRef\"\u003e2023\u003c/span\u003e). Additionally, the long-term sustainability of MBI benefits in ICU settings remains under-explored.\u003c/p\u003e \u003cp\u003eThe psychological stressors ICU nurses face are more acute than those encountered by nurses in general wards or other specialties. As such, interventions must be tailored to the high-acuity demands of the ICU setting. Moreover, contextual factors such as local health policies, cultural norms, and workforce composition may affect how mindfulness is perceived and practiced across different healthcare systems (Almutairi et al., \u003cspan citationid=\"CR2\" class=\"CitationRef\"\u003e2025\u003c/span\u003e).\u003c/p\u003e \u003cp\u003eDespite the growing body of research on MBIs in healthcare, a critical gap remains: most existing reviews include mixed samples of nurses or general healthcare professionals, limiting their applicability to ICU-specific contexts. These studies rarely isolate ICU nurses or evaluate how the structure, length, or institutional integration of MBIs influence intervention outcomes in critical care settings. To date, no systematic review has exclusively focused on ICU nurses or comprehensively assessed the distinct psychological effects of MBIs within this population. There is also limited synthesis of how program design, follow-up support, or demographic variables (such as age or experience) impact effectiveness.\u003c/p\u003e \u003cp\u003eThis systematic review addresses these gaps by consolidating and evaluating current evidence on MBIs specifically targeting ICU nurses. It aims to determine whether MBIs effectively reduce occupational stress and burnout in this high-risk population and to assess how factors such as intervention duration and structure influence sustainability and long-term outcomes (Nguyen et al., \u003cspan citationid=\"CR7\" class=\"CitationRef\"\u003e2021\u003c/span\u003e).\u003c/p\u003e \u003cp\u003eGiven these limitations, this systematic review was developed to critically appraise and synthesize current evidence on the effectiveness of mindfulness-based interventions in reducing occupational stress and burnout among ICU nurses. The objectives are twofold:\u003c/p\u003e \u003cp\u003e \u003col\u003e \u003cspan\u003e \u003cli\u003e \u003cp\u003eTo evaluate whether MBIs significantly reduce stress and burnout symptoms in ICU nurses.\u003c/p\u003e \u003c/li\u003e \u003c/span\u003e \u003cspan\u003e \u003cli\u003e \u003cp\u003eTo examine how the duration and structure of these interventions influence their sustainability and long-term impact.\u003c/p\u003e \u003c/li\u003e \u003c/span\u003e \u003c/ol\u003e \u003c/p\u003e \u003cp\u003eBy synthesizing current findings and identifying areas for future investigation, this review intends to guide clinical practice, inform institutional wellness strategies, and support policy decisions aimed at enhancing the psychological resilience and wellbeing of ICU nurses.\u003c/p\u003e"},{"header":"LITERATURE REVIEW","content":"\u003cp\u003eThis review is anchored in two theoretical models: Maslach\u0026rsquo;s Burnout Theory, which defines burnout as emotional exhaustion, depersonalization, and reduced personal accomplishment, and Kabat-Zinn\u0026rsquo;s Mindfulness-Based Stress Reduction (MBSR) model, which promotes present-moment awareness and psychological flexibility. Together, these frameworks inform the interpretation of mindfulness-based interventions (MBIs) in ICU nursing contexts, particularly their potential to reduce stress and emotional fatigue.\u003c/p\u003e \u003cdiv id=\"Sec3\" class=\"Section2\"\u003e \u003ch2\u003eBurnout Among ICU Nurses\u003c/h2\u003e \u003cp\u003eBurnout is disproportionately high among ICU nurses due to constant exposure to trauma, patient deaths, and emotionally complex care situations. A national study by Abdalrahim et al. (\u003cspan citationid=\"CR1\" class=\"CitationRef\"\u003e2023\u003c/span\u003e) found that over 65% of ICU nurses in Jordan scored in the high range for burnout on the Maslach Burnout Inventory (MBI). Similar results emerged in a global review by Gillen et al. (\u003cspan citationid=\"CR4\" class=\"CitationRef\"\u003e2024\u003c/span\u003e), which found that ICU nurses consistently reported higher emotional exhaustion and depersonalization than nurses in other departments.\u003c/p\u003e \u003cp\u003eThe COVID-19 pandemic intensified these outcomes. Chegini et al. (\u003cspan citationid=\"CR3\" class=\"CitationRef\"\u003e2022\u003c/span\u003e) reported that Iranian ICU nurses experienced a surge in burnout levels, largely attributed to long shifts, PPE discomfort, and patient surges. These findings align with Maslach\u0026rsquo;s theory, emphasizing emotional exhaustion as the core and most damaging component of burnout in acute care environments.\u003c/p\u003e \u003c/div\u003e\n\u003ch3\u003eContributing Factors\u003c/h3\u003e\n\u003cp\u003eMultiple systemic and interpersonal factors contribute to ICU nurse burnout. Prolonged working hours, emotional demands of end-of-life care, and leadership failures have been cited across several studies (Almutairi et al., \u003cspan citationid=\"CR2\" class=\"CitationRef\"\u003e2025\u003c/span\u003e; Kim et al., \u003cspan citationid=\"CR5\" class=\"CitationRef\"\u003e2021\u003c/span\u003e). For example, Almutairi et al. found that 70% of ICU nurses frequently worked overtime, and this was significantly correlated with emotional exhaustion and job dissatisfaction.\u003c/p\u003e \u003cp\u003eOrganizational culture also plays a critical role. SE Healthcare (\u003cspan citationid=\"CR8\" class=\"CitationRef\"\u003e2025\u003c/span\u003e) observed that nurses who felt unsupported by their administration reported significantly higher burnout scores. This supports Maslach and Leiter\u0026rsquo;s (\u003cspan citationid=\"CR6\" class=\"CitationRef\"\u003e2022\u003c/span\u003e) position that burnout stems more from poor work environments than from personal shortcomings.\u003c/p\u003e\n\u003ch3\u003eImpact on Patient Care\u003c/h3\u003e\n\u003cp\u003eBurnout in ICU nurses has direct implications for patient care quality. Gillen et al. (\u003cspan citationid=\"CR4\" class=\"CitationRef\"\u003e2024\u003c/span\u003e) showed that units with high nurse burnout also had higher incidences of medical errors and patient dissatisfaction. Zhang et al. (\u003cspan citationid=\"CR9\" class=\"CitationRef\"\u003e2020\u003c/span\u003e) confirmed that emotional exhaustion impaired nurse responsiveness to alarms and urgent situations.\u003c/p\u003e \u003cp\u003eFurthermore, depersonalization\u0026mdash;a key component of burnout\u0026mdash;damages nurse-patient relationships. Chegini et al. (\u003cspan citationid=\"CR3\" class=\"CitationRef\"\u003e2022\u003c/span\u003e) found that patients under the care of burned-out nurses perceived less empathy, adversely affecting their hospital experience. These outcomes underscore the urgent need for psychological interventions like MBIs.\u003c/p\u003e\n\u003ch3\u003eMindfulness-Based Interventions (MBIs)\u003c/h3\u003e\n\u003cp\u003eMBIs, especially MBSR, have gained traction as evidence-based strategies to address occupational stress. Rooted in Kabat-Zinn\u0026rsquo;s theory, these programs aim to enhance present-moment awareness and reduce automatic emotional reactivity.\u003c/p\u003e \u003cp\u003eAbdalrahim et al. (\u003cspan citationid=\"CR1\" class=\"CitationRef\"\u003e2023\u003c/span\u003e) implemented an eight-week MBSR program among ICU nurses, reporting a 34% drop in emotional exhaustion and sustained improvement in mindfulness scores. Similarly, Nguyen et al. (\u003cspan citationid=\"CR7\" class=\"CitationRef\"\u003e2021\u003c/span\u003e), in a meta-analysis, concluded that MBIs were particularly effective for ICU nurses compared to other groups, possibly due to the intensity of their baseline stress.\u003c/p\u003e \u003cp\u003eHowever, not all findings are consistent. While Zhang et al. (\u003cspan citationid=\"CR9\" class=\"CitationRef\"\u003e2020\u003c/span\u003e) reported enhanced empathy and emotional regulation, other studies like Elkady (2019) found only modest correlations between mindfulness and burnout reduction. Such discrepancies may be due to differences in intervention length, participant engagement, or cultural receptivity to mindfulness practices.\u003c/p\u003e\n\u003ch3\u003eBarriers to Implementation\u003c/h3\u003e\n\u003cp\u003eDespite promising outcomes, several barriers hinder MBI effectiveness in ICU settings. Time constraints were repeatedly cited; Kim et al. (\u003cspan citationid=\"CR5\" class=\"CitationRef\"\u003e2021\u003c/span\u003e) noted that staffing shortages made it difficult for nurses to attend full MBSR sessions. Furthermore, institutional support was often lacking\u0026mdash;Abdalrahim et al. (\u003cspan citationid=\"CR1\" class=\"CitationRef\"\u003e2023\u003c/span\u003e) emphasized that successful MBI implementation requires leadership endorsement and integration into staff development frameworks.\u003c/p\u003e \u003cp\u003eAnother issue is sustainability. Nguyen et al. (\u003cspan citationid=\"CR7\" class=\"CitationRef\"\u003e2021\u003c/span\u003e) observed that MBI effects began to decline within six months post-intervention unless supported by booster sessions or ongoing practice. This challenges the long-term impact of MBIs and suggests that mindfulness should be embedded into regular professional routines rather than treated as a one-time training.\u003c/p\u003e \u003cdiv id=\"Sec8\" class=\"Section2\"\u003e \u003ch2\u003eInfluence of Demographics and Context\u003c/h2\u003e \u003cp\u003eSeveral studies suggest that MBIs may be more effective for younger or early-career nurses. Zeb et al. (2021) found that nurses under 30 and with fewer years of ICU experience exhibited greater improvements in mindfulness and burnout metrics. This indicates the potential for integrating MBIs into orientation programs or early-career training.\u003c/p\u003e \u003cp\u003eCultural context also matters but remains under-explored. While MBIs are generally well-received, regional attitudes toward meditation or secular mindfulness may influence program uptake. The relative lack of culturally adapted MBI studies\u0026mdash;especially in non-Western healthcare settings\u0026mdash;points to a critical research gap.\u003c/p\u003e \u003c/div\u003e"},{"header":"METHODOLOGY","content":"\u003cp\u003eThis systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA 2020) guidelines to ensure transparency and rigor. The review aimed to synthesize existing evidence on the effectiveness of mindfulness-based interventions (MBIs) in reducing occupational stress and burnout among intensive care unit (ICU) nurses. The PICOT framework guided the formulation of the research question, defining the Population (ICU nurses), Intervention (mindfulness), Context (ICU/critical care), Outcome (stress and burnout reduction), and Type of study (no restriction) \u003cb\u003e(see\u003c/b\u003e Table\u0026nbsp;\u003cspan refid=\"Tab1\" class=\"InternalRef\"\u003e1\u003c/span\u003e).\u003c/p\u003e \u003cp\u003e \u003cdiv class=\"gridtable\"\u003e\u003ctable float=\"Yes\" id=\"Tab1\" border=\"1\"\u003e \u003ccaption language=\"En\"\u003e \u003cdiv class=\"CaptionNumber\"\u003eTable 1\u003c/div\u003e \u003cdiv class=\"CaptionContent\"\u003e \u003cp\u003ePICOT Framework\u003c/p\u003e \u003c/div\u003e \u003c/caption\u003e \u003ccolgroup cols=\"2\"\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c1\" colnum=\"1\"\u003e\u003c/div\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c2\" colnum=\"2\"\u003e\u003c/div\u003e \u003cthead\u003e \u003ctr\u003e \u003cth align=\"left\" colname=\"c1\"\u003e \u003cp\u003ePICOT Element\u003c/p\u003e \u003c/th\u003e \u003cth align=\"left\" colname=\"c2\"\u003e \u003cp\u003eDescription\u003c/p\u003e \u003c/th\u003e \u003c/tr\u003e \u003c/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eP (Population)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eNurse working in Intensive Care Units\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eI (Intervention)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eMindfulness\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eC (Context)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eIntensive Care Units\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eO (Outcome)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eOccupational stress and burnout can be alleviated\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eT (Type of Study)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eNo restriction on type of study\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003c/tbody\u003e \u003c/colgroup\u003e \u003ctfoot\u003e \u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cem\u003eFramework guiding the systematic review, detailing target population, intervention and expected outcomes.\u003c/em\u003e\u003c/td\u003e\u003c/tr\u003e \u003c/tfoot\u003e \u003c/table\u003e\u003c/div\u003e \u003c/p\u003e\n\u003ch3\u003eProtocol Registration\u003c/h3\u003e\n\u003cdiv class=\"Heading\"\u003eProtocol Registration\u003c/div\u003e \u003cp\u003eAlthough this review followed PRISMA recommendations, it was not registered in a formal systematic review registry such as PROSPERO due to institutional constraints at the time of development. Future updates to this review will include formal registration for enhanced transparency and replicability.\u003c/p\u003e \u003cdiv id=\"Sec11\" class=\"Section2\"\u003e \u003ch2\u003eSearch Strategy\u003c/h2\u003e \u003cp\u003eA comprehensive literature search was conducted across five databases: MEDLINE, PubMed, EMBASE, PsycINFO, and CINAHL Plus. The search covered English-language peer-reviewed articles published between January 2013 and January 2025, with an updated sweep in January 2025 to include the most recent findings. Additional searches were conducted manually through reference lists and grey literature, including conference abstracts and academic dissertations.\u003c/p\u003e \u003cp\u003eBoolean operators and Medical Subject Headings (MeSH) were used to refine search precision. Key terms included combinations of: \"ICU nurses\" AND \"burnout\", \"mindfulness\" OR \"MBSR\", and \"occupational stress\" AND \"nurses\" (\u003cb\u003esee\u003c/b\u003e Table\u0026nbsp;\u003cspan refid=\"Tab2\" class=\"InternalRef\"\u003e2\u003c/span\u003e for complete search string).\u003c/p\u003e \u003cp\u003e \u003cdiv class=\"gridtable\"\u003e\u003ctable float=\"Yes\" id=\"Tab2\" border=\"1\"\u003e \u003ccaption language=\"En\"\u003e \u003cdiv class=\"CaptionNumber\"\u003eTable 2\u003c/div\u003e \u003cdiv class=\"CaptionContent\"\u003e \u003cp\u003eSearch Terms and Boolean Combinations\u003c/p\u003e \u003c/div\u003e \u003c/caption\u003e \u003ccolgroup cols=\"2\"\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c1\" colnum=\"1\"\u003e\u003c/div\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c2\" colnum=\"2\"\u003e\u003c/div\u003e \u003cthead\u003e \u003ctr\u003e \u003cth align=\"left\" colname=\"c1\"\u003e \u003cp\u003eKeywords/Term\u003c/p\u003e \u003c/th\u003e \u003cth align=\"left\" colname=\"c2\"\u003e \u003cp\u003eBoolean Combination\u003c/p\u003e \u003c/th\u003e \u003c/tr\u003e \u003c/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eICU Nurses\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eAND \u0026ldquo;burnout\u0026rdquo;\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eBurnout\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eAND \u0026ldquo;mindfulness\u0026rdquo;\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eMindfulness\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eOR \u0026ldquo;MBSR\u0026rdquo;\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eOccupational Stress\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eAND \u0026ldquo;nurses\u0026rdquo;\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eMBSR\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eAND \u0026ldquo;occupational stress\u0026rdquo;\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003c/tbody\u003e \u003c/colgroup\u003e \u003ctfoot\u003e \u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cem\u003eSearch strategy using keywords and Boolean operators.\u003c/em\u003e\u003c/td\u003e\u003c/tr\u003e \u003c/tfoot\u003e \u003c/table\u003e\u003c/div\u003e \u003c/p\u003e \u003c/div\u003e \u003cdiv id=\"Sec12\" class=\"Section2\"\u003e \u003ch2\u003eEligibility Criteria\u003c/h2\u003e \u003cdiv id=\"Sec13\" class=\"Section3\"\u003e \u003ch2\u003eStudies were included if they:\u003c/h2\u003e \u003cp\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003eFocused on ICU or critical care nurses;\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eEvaluated mindfulness-based interventions, such as MBSR or guided meditation;\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eReported quantitative or mixed-method outcomes related to burnout, stress, or resilience;\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eWere published between 2013 and 2025 in English;\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eProvided full-text access and were peer-reviewed. Mealer\u003c/p\u003e \u003c/li\u003e \u003c/ul\u003e \u003c/p\u003e \u003c/div\u003e \u003c/div\u003e \u003cdiv id=\"Sec14\" class=\"Section2\"\u003e \u003ch2\u003eStudies were excluded if they:\u003c/h2\u003e \u003cp\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003eFocused on general ward nurses or other non-ICU populations;\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eEvaluated non-mindfulness interventions (e.g., cognitive behavioral therapy);\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eLacked primary data (e.g., editorials, reviews);\u003c/p\u003e \u003c/li\u003e \u003cli\u003e \u003cp\u003eWere not published in English.\u003c/p\u003e \u003c/li\u003e \u003c/ul\u003e \u003c/p\u003e \u003cp\u003eTable\u0026nbsp;\u003cspan refid=\"Tab3\" class=\"InternalRef\"\u003e3\u003c/span\u003e outlines the full inclusion and exclusion criteria.\u003c/p\u003e \u003cp\u003e \u003cdiv class=\"gridtable\"\u003e\u003ctable float=\"Yes\" id=\"Tab3\" border=\"1\"\u003e \u003ccaption language=\"En\"\u003e \u003cdiv class=\"CaptionNumber\"\u003eTable 3\u003c/div\u003e \u003cdiv class=\"CaptionContent\"\u003e \u003cp\u003eInclusion and Exclusion Criteria\u003c/p\u003e \u003c/div\u003e \u003c/caption\u003e \u003ccolgroup cols=\"2\"\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c1\" colnum=\"1\"\u003e\u003c/div\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c2\" colnum=\"2\"\u003e\u003c/div\u003e \u003cthead\u003e \u003ctr\u003e \u003cth align=\"left\" colname=\"c1\"\u003e \u003cp\u003eInclusion Criteria\u003c/p\u003e \u003c/th\u003e \u003cth align=\"left\" colname=\"c2\"\u003e \u003cp\u003eExclusion Criteria\u003c/p\u003e \u003c/th\u003e \u003c/tr\u003e \u003c/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eEnglish-language, peer-reviewed articles (2013\u0026ndash;2025)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eNon-peer-reviewed publications\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eFocus on ICU nurses or critical care setting\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eStudies involving only non-ICU staff\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eInterventions involving mindfulness (MBSR, meditation, etc)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eInterventions not based on mindfulness\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eMeasured outcomes related to burnout or occupational stress\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eReviews, commentaries, or conceptual papers\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003c/tbody\u003e \u003c/colgroup\u003e \u003ctfoot\u003e \u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cem\u003eCriteria for inclusion and exclusion of studies.\u003c/em\u003e\u003c/td\u003e\u003c/tr\u003e \u003c/tfoot\u003e \u003c/table\u003e\u003c/div\u003e \u003c/p\u003e \u003c/div\u003e \u003cdiv id=\"Sec15\" class=\"Section2\"\u003e \u003ch2\u003eStudy Selection Process\u003c/h2\u003e \u003cp\u003eThe initial search yielded 784 records. After duplicate removal in Zotero, two independent reviewers screened titles and abstracts using the defined eligibility criteria. Full-text screening was then conducted to confirm eligibility. Discrepancies were resolved through discussion or arbitration by a third reviewer. The selection process is illustrated in the PRISMA flow diagram (Fig.\u0026nbsp;\u003cspan refid=\"Fig1\" class=\"InternalRef\"\u003e1\u003c/span\u003e).\u003c/p\u003e \u003cp\u003e \u003c/p\u003e \u003c/div\u003e \u003cdiv id=\"Sec16\" class=\"Section2\"\u003e \u003ch2\u003eQuality Appraisal\u003c/h2\u003e \u003cp\u003eThe quality of the included studies was assessed using the Joanna Briggs Institute (JBI) Critical Appraisal Checklists, matched to each study\u0026rsquo;s design (e.g., quasi-experimental, cohort, cross-sectional). Each study was appraised against specific criteria such as clarity of objectives, validity of measurement tools, risk of bias, and appropriateness of analysis. All eight studies achieved scores of 80% or higher, indicating strong methodological quality (see \u003cb\u003eAppendix A\u003c/b\u003e).\u003c/p\u003e \u003c/div\u003e \u003cdiv id=\"Sec17\" class=\"Section2\"\u003e \u003ch2\u003eData Extraction and Synthesis\u003c/h2\u003e \u003cp\u003eA standardized data extraction sheet was used to collect information on study design, sample size, intervention characteristics, measurement tools, outcomes, and results. Data were independently extracted by two reviewers and cross-verified.\u003c/p\u003e \u003cp\u003eGiven the heterogeneity in study design, outcome measurement tools, and intervention duration, meta-analysis was deemed inappropriate. Instead, a narrative synthesis was employed. This method allowed for thematic grouping and comparison of findings across studies, focusing on three key outcomes: emotional exhaustion, depersonalization, and psychological resilience. Thematic analysis followed an inductive coding approach and was jointly reviewed to ensure consistency.\u003c/p\u003e \u003c/div\u003e \u003cdiv id=\"Sec18\" class=\"Section2\"\u003e \u003ch2\u003eEthical Considerations\u003c/h2\u003e \u003cp\u003eAs a systematic review of published literature, this study did not involve primary data collection and therefore did not require formal ethical approval. Nonetheless, all included studies were confirmed to have received ethical clearance from their respective institutional review boards. No patient-level data were accessed or reported, ensuring compliance with research ethics and confidentiality standards.\u003c/p\u003e \u003c/div\u003e"},{"header":"RESULTS","content":"\u003cp\u003eA total of eight studies met the inclusion criteria for this systematic review. These studies varied in design, geographic setting, sample size, and intervention characteristics, but all investigated the effects of mindfulness-based interventions (MBIs) on stress or burnout outcomes among ICU nurses. Due to heterogeneity in study methods and outcome measures, a narrative synthesis was conducted. Results are presented in two parts: (1) characteristics of included studies and (2) thematic synthesis of key findings.\u003c/p\u003e \u003cdiv id=\"Sec20\" class=\"Section2\"\u003e \u003ch2\u003eCharacteristics of Included Studies\u003c/h2\u003e \u003cp\u003eA total of eight studies met the inclusion criteria for this systematic review. Among these, three were randomized controlled trials (RCTs), two were quasi-experimental studies, one employed a cohort design, and two used cross-sectional approaches. The studies were conducted across a diverse range of geographic settings, including the United States, China, Spain, Egypt, Pakistan, and the United Kingdom. Sample sizes varied considerably, ranging from 27 to 258 participants. The mindfulness-based interventions also differed in structure and intensity, with durations ranging from brief three-day workshops to more comprehensive eight-week programs. Delivery formats included in-person sessions, online modules, and hybrid approaches.\u003c/p\u003e \u003cp\u003eA variety of validated outcome measures were employed across the studies. The Maslach Burnout Inventory (MBI) was most commonly used to assess burnout, while the Perceived Stress Scale (PSS) measured general stress levels. Mindfulness levels were evaluated using the Mindful Attention Awareness Scale (MAAS), and psychological resilience was assessed using the Connor-Davidson Resilience Scale (CD-RISC). Several studies also utilized the Self-Compassion Scale (SCS) to examine emotional regulation and coping. A detailed summary of each study\u0026rsquo;s design, sample size, outcome measures, and primary findings is presented in Table\u0026nbsp;\u003cspan refid=\"Tab4\" class=\"InternalRef\"\u003e4\u003c/span\u003e.\u003c/p\u003e \u003cp\u003e \u003cdiv class=\"gridtable\"\u003e\u003ctable float=\"Yes\" id=\"Tab4\" border=\"1\"\u003e \u003ccaption language=\"En\"\u003e \u003cdiv class=\"CaptionNumber\"\u003eTable 4\u003c/div\u003e \u003cdiv class=\"CaptionContent\"\u003e \u003cp\u003eSummary of Included Studies Evaluating MBIs in ICU Nurses\u003c/p\u003e \u003c/div\u003e \u003c/caption\u003e \u003ccolgroup cols=\"6\"\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c1\" colnum=\"1\"\u003e\u003c/div\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c2\" colnum=\"2\"\u003e\u003c/div\u003e \u003cdiv align=\"char\" char=\".\" class=\"colspec\" colname=\"c3\" colnum=\"3\"\u003e\u003c/div\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c4\" colnum=\"4\"\u003e\u003c/div\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c5\" colnum=\"5\"\u003e\u003c/div\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c6\" colnum=\"6\"\u003e\u003c/div\u003e \u003cthead\u003e \u003ctr\u003e \u003cth align=\"left\" colname=\"c1\"\u003e \u003cp\u003eAuthor(s) and Year\u003c/p\u003e \u003c/th\u003e \u003cth align=\"left\" colname=\"c2\"\u003e \u003cp\u003eDesign\u003c/p\u003e \u003c/th\u003e \u003cth align=\"left\" colname=\"c3\"\u003e \u003cp\u003eSample Size\u003c/p\u003e \u003c/th\u003e \u003cth align=\"left\" colname=\"c4\"\u003e \u003cp\u003eCountry\u003c/p\u003e \u003c/th\u003e \u003cth align=\"left\" colname=\"c5\"\u003e \u003cp\u003eOutcome Measures\u003c/p\u003e \u003c/th\u003e \u003cth align=\"left\" colname=\"c6\"\u003e \u003cp\u003eKey Findings\u003c/p\u003e \u003c/th\u003e \u003c/tr\u003e \u003c/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eMealer et al.\u003c/p\u003e \u003cp\u003e(2014)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eRCT\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"char\" char=\".\" colname=\"c3\"\u003e \u003cp\u003e29\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c4\"\u003e \u003cp\u003eUSA\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c5\"\u003e \u003cp\u003eMBI, PDS, CD-RISC\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c6\"\u003e \u003cp\u003eImproved resilience and reduced PTSD symptoms\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eSteinberg et al.\u003c/p\u003e \u003cp\u003e(2017)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eRCT\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"char\" char=\".\" colname=\"c3\"\u003e \u003cp\u003e32\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c4\"\u003e \u003cp\u003eUSA\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c5\"\u003e \u003cp\u003eMBI, ProQOL\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c6\"\u003e \u003cp\u003eReduced stress and burnout with mindfulness and yoga\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eXie et al.\u003c/p\u003e \u003cp\u003e(2020)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eRCT\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"char\" char=\".\" colname=\"c3\"\u003e \u003cp\u003e106\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c4\"\u003e \u003cp\u003eChina\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c5\"\u003e \u003cp\u003eMBI, MAAS, AAQ-II\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c6\"\u003e \u003cp\u003eSustained reduction in burnout at 3 and 6 months\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eAnderson (2021)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eQuasi-experimental\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"char\" char=\".\" colname=\"c3\"\u003e \u003cp\u003e27\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c4\"\u003e \u003cp\u003eUK\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c5\"\u003e \u003cp\u003ePSS, MAAS, SWLS\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c6\"\u003e \u003cp\u003eImproved mindfulness and life satisfaction\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eGozalo et al.\u003c/p\u003e \u003cp\u003e(2019)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eCohort\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"char\" char=\".\" colname=\"c3\"\u003e \u003cp\u003e32\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c4\"\u003e \u003cp\u003eSpain\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c5\"\u003e \u003cp\u003eMBI-HSS, FFMQ, SCS, JES\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c6\"\u003e \u003cp\u003eEnhanced empathy and self-compassion post-training\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eElkady (2019)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eCross-sectional\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"char\" char=\".\" colname=\"c3\"\u003e \u003cp\u003e130\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c4\"\u003e \u003cp\u003eEgypt\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c5\"\u003e \u003cp\u003eFMI, CD-RISC\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c6\"\u003e \u003cp\u003eNegative correlation between mindfulness and burnout\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eGracia-Gracia \u0026amp; Oliv\u0026aacute;n-\u003c/p\u003e \u003cp\u003eBl\u0026aacute;zquez (2017)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eCross-sectional\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"char\" char=\".\" colname=\"c3\"\u003e \u003cp\u003e68\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c4\"\u003e \u003cp\u003eSpain\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c5\"\u003e \u003cp\u003eMBI-HSS, SCS\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c6\"\u003e \u003cp\u003eSelf-compassion linked to lower emotional exhaustion\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eZeb et al.\u003c/p\u003e \u003cp\u003e(2021)\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eCross-sectional\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"char\" char=\".\" colname=\"c3\"\u003e \u003cp\u003e258\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c4\"\u003e \u003cp\u003ePakistan\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c5\"\u003e \u003cp\u003eMSCS\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c6\"\u003e \u003cp\u003eHigher mindfulness in younger, less experienced nurses\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003c/tbody\u003e \u003c/colgroup\u003e \u003ctfoot\u003e \u003ctr\u003e\u003ctd colspan=\"6\"\u003e\u003cem\u003eOverview of study characteristics and main findings related to mindfulness interventions among ICU nurses.\u003c/em\u003e\u003c/td\u003e\u003c/tr\u003e \u003c/tfoot\u003e \u003c/table\u003e\u003c/div\u003e \u003c/p\u003e \u003c/div\u003e \u003cdiv id=\"Sec21\" class=\"Section2\"\u003e \u003ch2\u003eThematic Synthesis of Findings\u003c/h2\u003e \u003cp\u003eInductive thematic analysis of the included studies revealed three major themes: (1) the effectiveness of mindfulness-based interventions in reducing burnout, (2) the influence of intervention duration and structure on outcomes, and (3) the broader psychological and emotional benefits associated with MBIs. These themes provide a cohesive framework for understanding the impact of mindfulness on ICU nurses across diverse settings and intervention designs (see Table\u0026nbsp;\u003cspan refid=\"Tab5\" class=\"InternalRef\"\u003e5\u003c/span\u003e).\u003c/p\u003e \u003cp\u003e \u003cdiv class=\"gridtable\"\u003e\u003ctable float=\"Yes\" id=\"Tab5\" border=\"1\"\u003e \u003ccaption language=\"En\"\u003e \u003cdiv class=\"CaptionNumber\"\u003eTable 5\u003c/div\u003e \u003cdiv class=\"CaptionContent\"\u003e \u003cp\u003eThemes Emerging from the Findings\u003c/p\u003e \u003c/div\u003e \u003c/caption\u003e \u003ccolgroup cols=\"2\"\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c1\" colnum=\"1\"\u003e\u003c/div\u003e \u003cdiv align=\"left\" class=\"colspec\" colname=\"c2\" colnum=\"2\"\u003e\u003c/div\u003e \u003cthead\u003e \u003ctr\u003e \u003cth align=\"left\" colname=\"c1\"\u003e \u003cp\u003eTheme\u003c/p\u003e \u003c/th\u003e \u003cth align=\"left\" colname=\"c2\"\u003e \u003cp\u003eDescription\u003c/p\u003e \u003c/th\u003e \u003c/tr\u003e \u003c/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eEffectiveness of mindfulness\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eReduction in emotional exhaustion and stress\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eDuration of interventions\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eVaried durations from 3-day to 8-week programs\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eMonitoring outcomes\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eFollow-up assessments showed long-term effects\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003ctr\u003e \u003ctd align=\"left\" colname=\"c1\"\u003e \u003cp\u003eEmotional regulation benefits\u003c/p\u003e \u003c/td\u003e \u003ctd align=\"left\" colname=\"c2\"\u003e \u003cp\u003eImproved self-compassion, coping, and awareness\u003c/p\u003e \u003c/td\u003e \u003c/tr\u003e \u003c/tbody\u003e \u003c/colgroup\u003e \u003ctfoot\u003e \u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cem\u003eThematic synthesis of study findings related to the impact of mindfulness-based interventions on ICU nurses.\u003c/em\u003e\u003c/td\u003e\u003c/tr\u003e \u003c/tfoot\u003e \u003c/table\u003e\u003c/div\u003e \u003c/p\u003e \u003c/div\u003e \u003cdiv id=\"Sec22\" class=\"Section2\"\u003e \u003ch2\u003e1. Effectiveness of Mindfulness-Based Interventions in Reducing Burnout\u003c/h2\u003e \u003cp\u003eAll eight studies reported measurable improvements in at least one component of burnout following participation in a mindfulness-based intervention. Figure\u0026nbsp;\u003cspan refid=\"Fig2\" class=\"InternalRef\"\u003e2\u003c/span\u003e illustrates a consistent reduction in burnout scores across the five studies that reported pre- and post-intervention data, with the most notable decreases observed in Mealer et al. and Xie et al. (see Fig.\u0026nbsp;\u003cspan refid=\"Fig2\" class=\"InternalRef\"\u003e2\u003c/span\u003e\u003cb\u003e).\u003c/b\u003e The most consistent outcome across studies was a reduction in emotional exhaustion, a core dimension of burnout. These studies primarily utilized the MBI, PSS, and MAAS to assess outcomes. Xie et al. (2020), in particular, noted a 27% reduction in emotional exhaustion after an eight-week MBSR intervention. Importantly, even shorter interventions demonstrated benefit; Anderson (2021), who implemented a brief mindfulness program, observed meaningful reductions in stress and increased life satisfaction, indicating that even limited mindfulness exposure can positively impact ICU nurse wellbeing.\u003c/p\u003e \u003cp\u003e \u003c/p\u003e \u003cdiv id=\"Sec23\" class=\"Section3\"\u003e \u003ch2\u003e2. Influence of Intervention Duration and Structure\u003c/h2\u003e \u003cp\u003eThe duration and structural intensity of the interventions were found to significantly influence the sustainability and magnitude of outcomes. Studies implementing longer, structured programs\u0026mdash;such as eight-week MBSR formats\u0026mdash;reported more robust and enduring benefits. Mealer et al. (2014) found that participants who completed a full eight-week resilience program that included mindfulness training sustained improvements at three-month follow-up. Similarly, studies by Xie et al. (2020) and Gozalo et al. (2019), which included post-intervention assessments, demonstrated that the positive effects of mindfulness could be maintained beyond the intervention period. In contrast, shorter interventions, while effective in the short term, were associated with more modest or transient effects. These findings suggest that program duration, follow-up mechanisms, and fidelity of delivery play a critical role in achieving lasting outcomes.\u003c/p\u003e \u003c/div\u003e \u003c/div\u003e \u003cdiv id=\"Sec24\" class=\"Section2\"\u003e \u003ch2\u003e3. Psychological and Emotional Benefits of MBIs\u003c/h2\u003e \u003cp\u003eBeyond burnout reduction, several studies highlighted the broader emotional and psychological benefits of mindfulness training. Nurses who participated in MBIs frequently reported increased self-awareness, improved emotional regulation, and enhanced resilience. For example, Elkady (2019) and Gracia-Gracia \u0026amp; Oliv\u0026aacute;n-Bl\u0026aacute;zquez (2017) found strong associations between higher mindfulness scores and improved coping strategies, as well as lower levels of emotional exhaustion. These benefits were often linked to increased self-compassion and present-moment awareness, which helped participants manage the emotional demands of ICU work more effectively.\u003c/p\u003e \u003cp\u003eDemographic variations were also noted in several studies. Zeb et al. (2021) reported that younger nurses and those with fewer years of ICU experience demonstrated greater improvements in mindfulness and burnout scores, suggesting that early-career professionals may be particularly receptive to such interventions. This points to the potential value of incorporating MBIs into onboarding and orientation programs for new ICU staff.\u003c/p\u003e \u003cdiv id=\"Sec25\" class=\"Section3\"\u003e \u003ch2\u003e4. Comparative Outcomes and Gaps in the Literature\u003c/h2\u003e \u003cp\u003eWhile the majority of studies confirmed the effectiveness of MBIs, the magnitude of improvement varied based on sample size, intervention type, and engagement level. Voluntary participation was associated with better outcomes, likely due to higher intrinsic motivation and adherence. Some studies also assessed secondary outcomes such as resilience (CD-RISC), self-compassion (SCS), and quality of life, finding that improvements in these areas often co-occurred with reductions in burnout symptoms. These findings suggest a potential mediating effect of self-regulation and emotional wellbeing on occupational stress.\u003c/p\u003e \u003cp\u003eHowever, notable gaps remain in the literature. Only a minority of studies included long-term follow-up assessments beyond six months, and few investigated organizational-level outcomes such as turnover, absenteeism, or patient safety metrics. Additionally, despite the geographic diversity of the included studies, most failed to explore the influence of cultural context on intervention outcomes. There is also a lack of large-scale randomized controlled trials (RCTs) with standardized protocols, which limits cross-study comparability.\u003c/p\u003e \u003c/div\u003e \u003c/div\u003e"},{"header":"DISCUSSION","content":"\u003cp\u003eThis systematic review synthesized findings from eight studies evaluating the effectiveness of mindfulness-based interventions (MBIs) in reducing occupational stress and burnout among intensive care unit (ICU) nurses. The review identified consistent evidence that MBIs\u0026mdash;particularly structured programs such as Mindfulness-Based Stress Reduction (MBSR)\u0026mdash;can significantly alleviate emotional exhaustion, enhance emotional regulation, and promote resilience in high-stress clinical environments. These outcomes align with the conceptual framework of Maslach\u0026rsquo;s Burnout Theory (Maslach \u0026amp; Leiter, \u003cspan citationid=\"CR6\" class=\"CitationRef\"\u003e2022\u003c/span\u003e), which identifies emotional exhaustion as a central component of burnout, and Kabat-Zinn\u0026rsquo;s MBSR model, which emphasizes mindful awareness as a path to stress reduction and psychological balance (Nguyen et al., \u003cspan citationid=\"CR7\" class=\"CitationRef\"\u003e2021\u003c/span\u003e).\u003c/p\u003e \u003cdiv id=\"Sec27\" class=\"Section2\"\u003e \u003ch2\u003eEffectiveness and Mechanisms of Impact\u003c/h2\u003e \u003cp\u003eAcross studies, emotional exhaustion\u0026mdash;the most frequently measured burnout dimension\u0026mdash;was the outcome most consistently improved by MBIs. Mealer et al. (2014), Steinberg et al. (2017), and Xie et al. (2020) reported statistically significant reductions in emotional exhaustion among ICU nurses following structured MBSR programs. These studies primarily utilized validated tools such as the Maslach Burnout Inventory (MBI) and Perceived Stress Scale (PSS) to assess outcomes. Xie et al. (2020) noted a 27% reduction in MBI scores after an eight-week intervention. Even brief interventions showed benefit; for instance, Anderson (2021) reported meaningful reductions in stress and improvements in life satisfaction following a short-format mindfulness workshop, highlighting the potential for flexible program design.\u003c/p\u003e \u003cp\u003eMBIs appear to function by enhancing present-moment awareness and interrupting automatic stress responses. These mechanisms promote emotional self-regulation, which is essential in ICU settings where nurses face constant cognitive and emotional demands. This aligns with the findings of Nguyen et al. (\u003cspan citationid=\"CR7\" class=\"CitationRef\"\u003e2021\u003c/span\u003e), who concluded in their meta-analysis that mindfulness consistently improved stress-related outcomes among healthcare professionals, with ICU nurses showing particularly strong effects. Furthermore, Abdalrahim et al. (\u003cspan citationid=\"CR1\" class=\"CitationRef\"\u003e2023\u003c/span\u003e) demonstrated that mindfulness training resulted in sustained improvements in emotional balance and psychological resilience over time.\u003c/p\u003e \u003c/div\u003e \u003cdiv id=\"Sec28\" class=\"Section2\"\u003e \u003ch2\u003eRole of Intervention Design and Implementation\u003c/h2\u003e \u003cp\u003eThe duration and structure of the mindfulness programs strongly influenced their effectiveness. Studies implementing comprehensive programs\u0026mdash;such as the eight-week models used by Mealer et al. (2014) and Xie et al. (2020)\u0026mdash;reported more robust and enduring results than shorter interventions. Gozalo et al. (2019) similarly observed that benefits of MBI participation were maintained at follow-up. These outcomes suggest that longer interventions may instill lasting self-regulatory habits that protect against occupational stress and burnout.\u003c/p\u003e \u003cp\u003eHowever, shorter interventions were not without merit. Anderson (2021) reported that a condensed MBI still significantly reduced stress and increased job satisfaction. These findings are particularly relevant in ICU settings where nurses face time constraints and staffing shortages (Kim et al., \u003cspan citationid=\"CR5\" class=\"CitationRef\"\u003e2021\u003c/span\u003e). Flexible program delivery, including modular formats or brief workshops, may therefore represent a viable alternative when traditional MBSR structures are not feasible.\u003c/p\u003e \u003cp\u003eEngagement also appeared to influence outcomes. Studies that enrolled voluntary participants tended to report better adherence and stronger effects (Zeb et al., 2021), likely due to greater intrinsic motivation. The delivery format\u0026mdash;whether in-person, hybrid, or online\u0026mdash;also mattered. Digital and hybrid models, such as those described in Abdalrahim et al. (\u003cspan citationid=\"CR1\" class=\"CitationRef\"\u003e2023\u003c/span\u003e), offered practical benefits in terms of accessibility and scalability while maintaining efficacy.\u003c/p\u003e \u003c/div\u003e \u003cdiv id=\"Sec29\" class=\"Section2\"\u003e \u003ch2\u003eDemographic and Contextual Considerations\u003c/h2\u003e \u003cp\u003eDemographic characteristics such as age and experience moderated the impact of MBIs. Zeb et al. (2021) found that younger and less experienced ICU nurses experienced greater improvements in mindfulness and reduced burnout. This suggests that MBIs may be especially useful when introduced early in a nurse\u0026rsquo;s career, perhaps as part of orientation or professional development programs. These findings align with Maslach and Leiter\u0026rsquo;s (\u003cspan citationid=\"CR6\" class=\"CitationRef\"\u003e2022\u003c/span\u003e) assertion that early career support is key to preventing long-term burnout.\u003c/p\u003e \u003cp\u003eWhile the included studies spanned diverse regions\u0026mdash;including the U.S., China, Spain, Egypt, Pakistan, and the UK\u0026mdash;most did not explore the role of cultural context. Given that mindfulness practices are rooted in Eastern traditions but adapted for secular clinical use, engagement and outcomes may vary by cultural or religious background (Almutairi et al., \u003cspan citationid=\"CR2\" class=\"CitationRef\"\u003e2025\u003c/span\u003e). For instance, in some Middle Eastern settings, practices resembling mindfulness are already embedded in prayer or spiritual rituals, which could either facilitate or complicate MBI adoption.\u003c/p\u003e \u003cp\u003eOrganizational context was also critical. Studies reporting the most favorable outcomes often noted strong institutional support, including managerial endorsement, protected time for participation, and integration of MBIs into staff wellness programs (SE Healthcare, \u003cspan citationid=\"CR8\" class=\"CitationRef\"\u003e2025\u003c/span\u003e; BMC Nursing, 2023). These findings reinforce the idea that mindfulness is most effective when supported by organizational structures and embedded within a broader culture of psychological safety and wellbeing.\u003c/p\u003e \u003c/div\u003e\n\u003ch3\u003eImplications for Practice and Policy\u003c/h3\u003e\n\u003cp\u003eThe findings of this review have practical implications for hospital administrators, clinical educators, and policymakers. MBIs represent a promising strategy to reduce burnout and promote mental wellbeing among ICU nurses. Hospitals should consider incorporating structured mindfulness programs\u0026mdash;such as MBSR or abbreviated models\u0026mdash;into regular staff development or wellness initiatives. These programs can be tailored to accommodate staffing limitations, using hybrid or self-guided formats to ensure accessibility.\u003c/p\u003e \u003cp\u003eFor educational institutions and nurse leaders, integrating mindfulness into early-career training or residency programs could yield long-term benefits by promoting resilience from the outset. As younger nurses appear to respond particularly well to MBIs (Zeb et al., 2021), such programs may reduce turnover, improve job satisfaction, and enhance team cohesion.\u003c/p\u003e \u003cp\u003eAt the policy level, professional bodies and health regulators could encourage or incentivize the inclusion of evidence-based mental health supports like MBIs in organizational wellness frameworks. Doing so would underscore the importance of workforce sustainability and patient safety in high-acuity clinical environments.\u003c/p\u003e \u003cdiv id=\"Sec31\" class=\"Section2\"\u003e \u003ch2\u003eStudy Limitations and Considerations\u003c/h2\u003e \u003cp\u003eWhile the reviewed studies provide valuable insights, several limitations must be acknowledged. First, heterogeneity in intervention formats, outcome measures, and follow-up durations makes cross-study comparison challenging. Standardization in future research will enhance comparability and clarity. Second, most studies relied on self-report instruments such as the MBI and PSS, which are validated but prone to bias and subjectivity (Nguyen et al., \u003cspan citationid=\"CR7\" class=\"CitationRef\"\u003e2021\u003c/span\u003e). Third, few studies assessed the long-term sustainability of mindfulness effects; burnout is a chronic condition, and interventions must demonstrate enduring benefits. Studies like Xie et al. (2020) and Mealer et al. (2014) incorporated limited follow-up, but long-term data remain scarce. Fourth, cost-effectiveness was rarely examined, despite its importance for institutional adoption. Finally, although this review included studies from multiple regions, there was limited attention to cultural or organizational context\u0026mdash;factors that may shape both participation and outcomes (Almutairi et al., \u003cspan citationid=\"CR2\" class=\"CitationRef\"\u003e2025\u003c/span\u003e).\u003c/p\u003e \u003c/div\u003e"},{"header":"CONCLUSION","content":"\u003cp\u003eThis systematic review examined the effectiveness of mindfulness-based interventions (MBIs) in reducing occupational stress and burnout among nurses working in intensive care units (ICUs). Across eight studies of varying designs and settings, consistent improvements were observed in key outcomes, particularly emotional exhaustion\u0026mdash;the most common and debilitating aspect of burnout. These findings support the integration of MBIs, especially structured programs such as Mindfulness-Based Stress Reduction (MBSR), into resilience and wellness strategies for ICU nurses (Nguyen et al., \u003cspan citationid=\"CR7\" class=\"CitationRef\"\u003e2021\u003c/span\u003e; Mealer et al., 2014).\u003c/p\u003e \u003cp\u003eBeyond stress reduction, MBIs were shown to improve emotional regulation, self-awareness, and self-compassion, contributing to broader psychological wellbeing. These benefits were evident in both brief and extended interventions, although longer, structured programs with institutional support demonstrated the most sustained outcomes (Xie et al., 2020; Gozalo et al., 2019). Younger and early-career nurses appeared particularly responsive, underscoring the value of including MBIs in early professional development and orientation programs (Zeb et al., 2021).\u003c/p\u003e \u003cp\u003eInstitutional context and leadership support played a critical role in program success. Nurses reported higher engagement and adherence when programs were endorsed by management, integrated into regular schedules, and framed as part of an organizational commitment to staff wellbeing (SE Healthcare, \u003cspan citationid=\"CR8\" class=\"CitationRef\"\u003e2025\u003c/span\u003e; BMC Nursing, 2023). These findings highlight the importance of not only the intervention itself, but also the system in which it is delivered.\u003c/p\u003e \u003cp\u003eDespite encouraging evidence, limitations remain. Studies varied in quality and outcome measures, few assessed long-term effects, and cost-effectiveness was rarely addressed. Cultural factors and healthcare system differences were also underexplored, even though they may significantly shape intervention uptake and impact. Addressing these gaps will be essential in future research.\u003c/p\u003e \u003cp\u003eMindfulness-based interventions offer a practical, evidence-based strategy for reducing burnout and improving mental wellbeing among ICU nurses. Their implementation should be prioritized by hospitals, educators, and policymakers as part of a broader effort to support the sustainability of the healthcare workforce. As ICU environments continue to demand high levels of emotional labor, MBIs can serve not only as a therapeutic response to burnout but as a proactive investment in nurse resilience, job satisfaction, and ultimately, patient care quality.\u003c/p\u003e"},{"header":"Declarations","content":"\u003cp\u003e\u003cstrong\u003eConflict of Interest Statement\u0026nbsp;\u003c/strong\u003e\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eThe authors declare that there are no conflicts of interest related to the content of this systematic review. No financial, professional, or personal relationships exist that could be perceived to influence the objectivity, integrity, or reporting of this research.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eFunding Sources\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThis study did not receive any form of financial support, sponsorship, or external funding from governmental, institutional, or commercial entities. The research was independently conducted and fully self-funded by the authors, without any financial contribution from public or private organizations.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eData Availability Statement\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThis article is based on a systematic review of previously published studies. No new datasets were generated or analyzed during the course of this research. All data supporting the findings are available within the included studies and referenced publications. Further inquiries can be directed to the corresponding author.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthor Contributions\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eBudur Ateeq A. Alharbi conceptualized the study, designed the research protocol, conducted the systematic review, and led the manuscript drafting. Niall McKenna contributed to the literature search, supported the thematic synthesis, and critically revised the manuscript for methodological and academic accuracy. Both authors reviewed and approved the final version of the manuscript for submission.\u003c/p\u003e"},{"header":"References","content":"\u003col\u003e\n \u003cli\u003eAbdalrahim, M. S., Alhalal, E., \u0026amp; Alshraideh, H. (2023). Predictors of burnout among intensive care nurses: A national cross-sectional survey. \u003cem\u003eBMC Nursing\u003c/em\u003e, 22(1), 45. https://bmcnurs.biomedcentral.com/articles/10.1186/s12912-023-01466-8\u003c/li\u003e\n \u003cli\u003eAlmutairi, A., Aljuaid, M., Alotaibi, N., \u0026amp; Aldhafeeri, H. (2025). Examining the link between ICU nurses\u0026rsquo; burnout and associated factors. Journal of Nursing Practice and Research, 7(1), 15\u0026ndash;23. https://pmc.ncbi.nlm.nih.gov/articles/PMC11983812/\u003c/li\u003e\n \u003cli\u003eChegini, Z., Azizi, M., \u0026amp; Ashtari, F. (2022). Burnout and its related factors among Iranian ICU nurses during the COVID-19 pandemic. \u003cem\u003eNursing in Critical Care\u003c/em\u003e, 27(1), 45\u0026ndash;53. https://doi.org/10.1111/nicc.12666\u003c/li\u003e\n \u003cli\u003eGillen, E., Spector, N., \u0026amp; Sullivan, A. (2024). Nurse burnout and patient safety, satisfaction, and quality of care. \u003cem\u003eJAMA Network Open\u003c/em\u003e, 7(4), e245112. https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2825639\u003c/li\u003e\n \u003cli\u003eKim, S. Y., Park, J. S., \u0026amp; Lee, H. J. (2021). Predictors of burnout among Korean ICU nurses: A longitudinal perspective. \u003cem\u003eIntensive and Critical Care Nursing\u003c/em\u003e, 63, 102988. https://doi.org/10.1016/j.iccn.2020.102988\u003c/li\u003e\n \u003cli\u003eMaslach, C., \u0026amp; Leiter, M. P. (2022). Understanding the burnout experience: Recent research and its implications for healthcare. \u003cem\u003eOccupational Medicine\u003c/em\u003e, 74(9), 630\u0026ndash;638. https://academic.oup.com/occmed/article/74/9/630/7958938\u003c/li\u003e\n \u003cli\u003eNguyen, T., Phan, H., \u0026amp; Le, T. (2021). Mindfulness-based interventions among healthcare workers: A review of recent evidence. \u003cem\u003eMindfulness \u0026amp; Health\u003c/em\u003e, 12(2), 210\u0026ndash;219. https://doi.org/10.1016/j.mindhl.2021.01.005\u003c/li\u003e\n \u003cli\u003eSE Healthcare. (2025). New global study confirms nurse burnout crisis: Patient safety and healthcare sustainability at risk. https://sehealthcaresolutions.com/news/new-global-study-confirms-nurse-burnout-crisis-patient-safety-and-healthcare-sustainability-at-risk\u003c/li\u003e\n \u003cli\u003eZhang, J., Wang, Y., \u0026amp; Liu, Z. (2020). Effects of mindfulness training on emotional exhaustion and work engagement in ICU nurses. \u003cem\u003eJournal of Clinical Nursing\u003c/em\u003e, 29(21\u0026ndash;22), 4034\u0026ndash;4045. https://doi.org/10.1111/jocn.15399\u003c/li\u003e\n\u003c/ol\u003e"}],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":true,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":false,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":false,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"bmc-nursing","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"nurs","sideBox":"Learn more about [BMC Nursing](http://bmcnurs.biomedcentral.com/)","snPcode":"","submissionUrl":"https://www.editorialmanager.com/nurs/default.aspx","title":"BMC Nursing","twitterHandle":"@BMC_series","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"em","reportingPortfolio":"BMC Series","inReviewEnabled":true,"inReviewRevisionsEnabled":true},"keywords":"Mindfulness-Based Interventions (MBIs), ICU Nurses, Burnout, Occupational Stress, Systematic Review","lastPublishedDoi":"10.21203/rs.3.rs-6747485/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-6747485/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003e\u003cstrong\u003eBackground: \u003c/strong\u003eBurnout among ICU nurses remains a global concern due to their constant exposure to high-stress, high-stakes environments. Sustained psychological strain, ethical dilemmas, and workload intensity contribute to emotional exhaustion, reduced job satisfaction, and compromised patient outcomes. This review aimed to evaluate the effectiveness of mindfulness-based interventions (MBIs) in mitigating burnout and occupational stress among ICU nurses, and to examine how the duration and structure of these interventions influence their impact.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eMethods: \u003c/strong\u003eFollowing PRISMA 2020 guidelines, a comprehensive search was conducted across PubMed, CINAHL, MEDLINE, PsycINFO, and EMBASE for peer-reviewed studies published between 2013 and 2025. Inclusion criteria were guided by the PICOT framework. Eight studies—comprising randomized controlled trials, quasi-experimental, cohort, and cross-sectional designs—met the eligibility criteria. Data were synthesized narratively, and methodological quality was assessed using appropriate Joanna Briggs Institute (JBI) critical appraisal tools.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eResults: \u003c/strong\u003eThematic analysis revealed three major findings: (1) MBIs effectively reduced emotional exhaustion, depersonalization, and stress-related symptoms among ICU nurses; (2) longer and more structured interventions, such as the 8-week MBSR programs, demonstrated more sustained benefits compared to shorter MBIs; and (3) demographic and contextual factors—including age, years of ICU experience, organizational support, and delivery format—moderated the effectiveness of interventions. All included studies demonstrated medium to high methodological quality.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eConclusion: \u003c/strong\u003eMindfulness-based interventions are effective and scalable tools for mitigating burnout among ICU nurses. Evidence supports their integration into wellness initiatives within hospital settings, with attention to program structure, duration, and organizational facilitation. Implementation of MBIs may improve nurse wellbeing, resilience, and retention in high-stress care environments.\u003c/p\u003e","manuscriptTitle":"A Systematic Review of Mindfulness-Based Interventions to Reduce ICU Nurse Burnout: Global Evidence and Thematic Synthesis","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2025-06-17 09:18:32","doi":"10.21203/rs.3.rs-6747485/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"decision","content":"Revision requested","date":"2025-06-23T08:50:11+00:00","index":"","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2025-06-20T12:24:10+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"110120633205548799613746560537915102782","date":"2025-06-19T12:33:30+00:00","index":"hide","fulltext":""},{"type":"editorInvitedReview","content":"","date":"2025-06-14T20:34:45+00:00","index":"hide","fulltext":""},{"type":"reviewerAgreed","content":"10297943069081742262691479825574603109","date":"2025-06-14T16:33:44+00:00","index":"hide","fulltext":""},{"type":"reviewersInvited","content":"","date":"2025-06-12T14:10:55+00:00","index":"","fulltext":""},{"type":"editorInvited","content":"","date":"2025-06-03T09:53:31+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2025-05-31T09:27:24+00:00","index":"","fulltext":""},{"type":"checksComplete","content":"","date":"2025-05-31T09:26:09+00:00","index":"","fulltext":""},{"type":"submitted","content":"BMC Nursing","date":"2025-05-26T05:58:14+00:00","index":"","fulltext":""}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"bmc-nursing","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"nurs","sideBox":"Learn more about [BMC Nursing](http://bmcnurs.biomedcentral.com/)","snPcode":"","submissionUrl":"https://www.editorialmanager.com/nurs/default.aspx","title":"BMC Nursing","twitterHandle":"@BMC_series","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"em","reportingPortfolio":"BMC Series","inReviewEnabled":true,"inReviewRevisionsEnabled":true}}],"origin":"","ownerIdentity":"1684406a-84e0-4491-8ba9-87c3513f650d","owner":[],"postedDate":"June 17th, 2025","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"published-in-journal","subjectAreas":[],"tags":[],"updatedAt":"2025-07-21T16:11:49+00:00","versionOfRecord":{"articleIdentity":"rs-6747485","link":"https://doi.org/10.1186/s12912-025-03507-w","journal":{"identity":"bmc-nursing","isVorOnly":false,"title":"BMC Nursing"},"publishedOn":"2025-07-15 16:05:40","publishedOnDateReadable":"July 15th, 2025"},"versionCreatedAt":"2025-06-17 09:18:32","video":"","vorDoi":"10.1186/s12912-025-03507-w","vorDoiUrl":"https://doi.org/10.1186/s12912-025-03507-w","workflowStages":[]},"version":"v1","identity":"rs-6747485","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-6747485","identity":"rs-6747485","version":["v1"]},"buildId":"8U1c8b4HqxoKbykW_rLl7","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}