Surgical History and the Risk of Endometriosis:A Hospital-Based Case-Control Study

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This case-control study found that a history of laparotomy and cesarean section significantly increased the risk of endometriosis.

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This hospital-based case-control study evaluated whether surgical history after menarche is associated with endometriosis by comparing 208 patients with ovarian endometrioma to 212 age-matched patients with ovarian teratoma, using detailed self-reported records of prior procedures categorized by laparotomy, laparoscopy, cesarean section, and other sites. Cases and controls were similar in age and several socioeconomic variables, and multivariate analysis found age at index surgery, prior laparotomy, and cesarean section were positively associated with endometriosis risk, with laparotomy showing an OR of 3.64 and cesarean section an OR of 2.16. The paper notes biological rationale via activation of adrenergic signaling that could facilitate angiogenesis and growth of existing lesions, but the primary limitation is its retrospective, hospital-based design and reliance on surgical history documentation after menarche. This paper is centrally about endometriosis — it tests whether prior surgical procedures (especially laparotomy and cesarean section) increase the risk of ovarian endometrioma.

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Abstract

Women tend to receive more surgical procedures than men. Our mouse study shows that surgical stress promotes the development of endometriosis. This study was undertaken to test the hypothesis that surgery increases the risk of endometriosis. We recruited 208 patients with ovarian endometrioma and 212 age-matched patients with ovarian teratoma and retrieved information on the history of any surgical procedures after menarche, grouped by laparotomy, laparoscopy, gynecologically related procedures, cesarean section, and surgeries performed on torso and extremities was recorded. We then evaluated the association, if any, between endometriosis and history of surgical procedures. Cases and controls were comparable with respect to age, marital status, education level, and occupation. Eleven (5.3%) cases had laparotomy before the index surgery while 4 (1.9%) controls did. Sixty-six (31.7%) cases had Cesarean section while 53 (25.0%) controls did. Multivariate analysis identified age, at the index surgery laparotomy, and cesarean section as 3 factors positively associated with the risk of endometriosis while parity was found to be negatively associated with the risk. Laparotomy was associated with increased risk of endometriosis (odds ratio [OR] = 3.64, 95% confidence interval [CI] = 1.08-12.31), while cesarean section was associated with 2-fold increase in risk (OR = 2.16, 95% CI = 1.31-3.55). Both laparotomy and cesarean section may increase the risk of endometriosis probably by activation of adrenergic signaling, thus facilitating angiogenesis and accelerating the growth of endometriotic lesions that are already in existence. This finding may have important ramifications for the perioperative management of patients with increased risk or recurrence risk of endometriosis.
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Abstract

Women tend to receive more surgical procedures than men. Our mouse study shows that surgical stress promotes the development of endometriosis. This study was undertaken to test the hypothesis that surgery increases the risk of endometriosis. We recruited 208 patients with ovarian endometrioma and 212 age-matched patients with ovarian teratoma and retrieved Information on the history of any surgical procedures after menarche, grouped by laparotomy, laparoscopy, gynecologically related procedures, cesarean section, and surgeries performed on torso and extremities was recorded. We then evaluated the association, if any, between endometriosis and history of surgical procedures. Cases and controls were comparable with respect to age, marital Status, education level, and occupation. Eleven (5.3%) cases had laparotomy before the index surgery while 4 (1.9%) controls did. Sixty-six (31.7%) cases had Cesarean section while 53 (25.0%) controls did. Multivariate analysis identified age, at the index surgery laparotomy, and cesarean section as 3 factors positively associated with the risk of endometriosis while parity was found to be negatively associated with the risk. Laparotomy was associated with increased risk of endometriosis (odds ratio [OR] = 3.64, 95% confidence interval [Cl] = 1.08-12.31), while cesarean section was associated with 2-fold increase in risk (OR = 2.16, 95% Cl = 1.31 -3.55). Both laparotomy and cesarean section may increase the risk of endometriosis probably by activation of adrenergic signaling, thus facilitating angiogenesis and accelerating the growth of endometriotic lesions that are already in exis-tence. This finding may have important ramifications for the perioperative management of patients with increased risk or recurrence risk of endometriosis. Similar content being viewed by others

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Author information Authors and Affiliations Corresponding author Rights and permissions About this article Cite this article Liu, X., Long, Q. & Guo, SW. Surgical History and the Risk of Endometriosis:A Hospital-Based Case-Control Study. Reprod. Sci. 23, 1217–1224 (2016). https://doi.org/10.1177/1933719116632921 Published: Issue date: DOI: https://doi.org/10.1177/1933719116632921

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endometriosis

MeSH descriptors

Endometriosis Postoperative Complications Adult Case-Control Studies Cesarean Section Cesarean Section Endometriosis Endometriosis Female Hospitals Humans Laparoscopy Laparoscopy Laparotomy Laparotomy Menarche Middle Aged Multivariate Analysis Risk Factors

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