Weight loss and metabolic outcomes in women with or without polycystic ovarian syndrome after Roux-en-Y gastric bypass: A case-matched study.
2021
BACKGROUND AND OBJECTIVES Weight loss is the mainstay of management for women with polycystic ovarian syndrome (PCOS). However, lifestyle and dietary modifications, and gastric banding have generally poor long-term efficacy. We aimed to investigate whether gastric bypass is equally efficacious in women with or without PCOS. METHODS We performed a matched case-control study of primary Roux-en-Y gastric bypass surgery in women with PCOS (cases, n = 30) compared to women without PCOS (controls, n = 60) matched for baseline age, body mass index (BMI) and presence or absence of type 2 diabetes (T2D). Data shown represent mean values. RESULTS At 24 months after surgery the 90 participants (age 36.1 years) experienced significant reductions in BMI (53.4 vs. 34.9 kg/m2, p < 0.0001), glycated haemoglobin (HbA1c) in 21 women with T2D (68.2 vs. 38.7 mmol/mol, p < 0.0001) and blood pressure (BP) in 29 women with hypertension (144/91 vs. 129/83 mmHg, p < 0.01), while obstructive sleep apnoea (OSA) resolved in 88.0% of the 25 affected patients. Women with PCOS compared to women without PCOS achieved equivalent reductions in percentage total weight loss (32.6% vs. 32.6% at 12 months and 34.8% vs. 36.1% at 24 months) and HbA1c (T2D subgroup; 38.3 vs. 41.6 mmol/mol at 12 months and 37.0 vs. 39.6 mmol/mol at 24 months) and comparable improvement in BP (hypertension subgroup) and resolution of OSA (87.5% vs. 88.2% at 24 months). CONCLUSION In women with PCOS with morbid obesity, gastric bypass resulted in significant weight loss and metabolic outcomes similar to women without PCOS.
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