Hiit'Ing Or Miss'Ing The Optimal Management Of Polycystic Ovary Syndrome: A Systematic Review And Meta-Analysis Of High- Versus Moderate-Intensity Exercise Prescription
FRONTIERS IN PHYSIOLOGY(2021)
摘要
Introduction: Polycystic Ovary syndrome (PCOS) is a metabolic disorder associated with increased cardiovascular disease risk. Exercise is an effective treatment strategy to manage symptoms and reduce long-term health risk. High-intensity interval training (HIIT) has been suggested as a more efficient exercise mode in PCOS; however, it is not clear whether HIIT is superior to moderate intensity steady state exercise (MISS). Methods: We synthesized available data through a systematic review andmeta-analysis to compare the effectiveness of isolated HIIT and MISS exercise interventions. Our primary outcome measures were cardiorespiratory fitness and insulin resistance, measured using.VO2max and HOMA-IR respectively. Results: A total of 16 studies were included. Moderate-quality evidence from 16 studies identified significant improvements in.VO2max following MISS (1 = 1.081 ml/kg/min, p < 0.001, n = 194), but not HIIT (1 = 0.641 ml/kg/min, p = 0.128, n = 28). Neither HIIT nor MISS improved HOMA-IR [(1 = -0.257, p = 0.374, n = 60) and (1 = -0.341, p = 0.078, n = 159), respectively]. Discussion: A significant improvement in.VO2max was evident following MISS, but not HIIT exercise in women with PCOS. This contrasts with previous literature in healthy and clinical cohorts that report superior benefits of HIIT. Therefore, based on available moderate-quality evidence, HIIT exercise does not provide superior outcomes in.VO2max compared with MISS, although larger high-quality interventions are needed to fully address this. Additional dietary/pharmacological interventions may be required in conjunction with exercise to improve insulin sensitivity.
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关键词
PCOS, exercise, moderate-intensity, high-intensity, insulin resistance, cardiorespiratory fitness, cardiometabolic risk
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