Effects of bariatric surgery on patients with obesity and polycystic ovary syndrome: a meta-analysis.

Surg Obes Relat Dis

Department of Obstetrics and Gynecology, People's Hospital, Peking University, Beijing, China.

Published: August 2021

Background: Bariatric surgery is effective for polycystic ovary syndrome (PCOS), while the exact mechanism remains unclear.

Objectives: To assess the impact of bariatric surgery on PCOS patients and further explore the possible mechanism.

Setting: A meta-analysis.

Methods: We searched PubMed, Web of Science, The Cochrane Library, and Embase to identify relevant studies published before November 2020.

Results: Twenty-one studies met our inclusion criteria, and we identified 552 patients with PCOS study. Results showed that the prevalence of preoperative PCOS, menstrual irregularity, hirsutism, type 2 diabetes (T2D), hypertension, infertility, and depression significantly decreased after bariatric surgery. Levels of total testosterone, fasting insulin, and luteinizing hormone (LH) decreased and estradiol increased, while levels of follicle-stimulating hormone (FSH) and LH/FSH did not show significant changes during the 3-month follow-up. There were decreases in testosterone and fasting insulin levels when the postoperative follow-up time was 6 months or ≥12 months. Levels of fasting blood glucose and triglycerides were significantly reduced after 6 months or ≥12 months of bariatric surgery. High-density lipoprotein (HDL) and sex hormone-binding globulin (SHBG) significantly improved ≥12 months after bariatric surgery.

Conclusion: Symptoms of PCOS and related complications are significantly alleviated after bariatric surgery. In addition, we found a significant improvement on anomalous secretion of gonadotropins, glucose metabolism, and lipid metabolism in patients with PCOS after bariatric surgery.

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Source
http://dx.doi.org/10.1016/j.soard.2021.04.009DOI Listing

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