Pelvic floor muscle dysfunctions in women with deep infiltrative endometriosis: An underestimated association

Mirian Vieira Fraga, Luiz Gustavo Oliveira Brito, Daniela Angerame Yela, Ticiana Aparecida Alves de Mira, Cristina Laguna Benetti‐Pinto
International journal of clinical practice · 2021 · vol. 75(8) , pp. e14350 · doi:10.1111/ijcp.14350 · PMID:33973308 · W3161454021
article OA: closed CC0 ⤵ 14 in-corpus citations
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⚙ AI-generated summary by claude@2026-06, 2026-06-09 ⓘ

Women with deep infiltrative endometriosis showed increased pelvic symptoms and pelvic floor/lower limb muscle dysfunctions, with pain linked to hypertonia and poor relaxation.

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Abstract

AIMS: Deep infiltrative endometriosis (DIE) may cause pelvic pain and thus negatively affect the function of different structures. We hypothesised that women with DIE may have dysfunctions of the pelvic floor muscles (PFMs) and lower limb muscles (LLMs). METHODS: This cross-sectional study included 160 women (80 with DIE under hormonal treatment and 80 women without DIE), who were assessed to determine the presence of pelvic symptoms (dysmenorrhea, chronic pelvic pain [CPP], deep/penetration dyspareunia, dysuria, dyschezia and vulvodynia), PFM function (PERFECT scheme, presence of hypertonia and trigger points, and muscle contraction and relaxation), abdominal muscle pain (Carnett's test) and muscle shortening in LLM (Thomas, Pace and Ober tests). RESULTS: Women with DIE presented more CPP (30% vs 5%; P < .001), dysuria (12.5% vs 3.75%; P = .043) and dyschezia (47.5% vs 2.5%; P < .001) than the control group. Moreover, they had higher PFM hypertonia (28.75% vs 13.75%; P = .02), weaker PFM contraction (36.35% vs 2.5%; P < .001), and incomplete PFM relaxation (45% vs 13.75%; P < .001). Women with DIE had a higher rate of positive results in the Carnett's test (21.25% vs 2.5%; P < .001) than the control group. Moreover, they had a higher frequency of shortening of the anterior thigh (30% vs 10% in both LLM; P < .001), piriformis (16.25% vs 6.25%; P < .001) and iliotibial band muscles (bilateral; P < .001). Multivariate analysis revealed that the presence of pain increased the risk of PFM hypertonia (OR = 3.73 [1.26-11.07]; P = .018) and caused difficulty in PFM relaxation (OR = 2.98 [1.01-9.37]; P = .049). CONCLUSION: Women with DIE exhibited a greater number of pelvic symptoms and greater PFM/LLM dysfunction than those in the control group. Pain was associated with PFM hypertonia and difficulty in PFM relaxation.

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Condition tags

endometriosisdie_deep_infiltratingchronic_pelvic_paindysmenorrheadyspareunia

MeSH descriptors

Endometriosis Endometriosis Vulvodynia Cross-Sectional Studies Female Humans Muscle Contraction Pelvic Floor

Citation neighborhood

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. [ expand to 2 hops ] — adds papers reached through this work's immediate citers/citees. Heavier; up to 60 extra dots.

References (27)

Cited by (14)

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