多囊卵巢综合征患者肥胖和高雄激素血症与胰岛素抵抗的相关性
Association of obesity and hyperandrogenemia with insulin resistance in women with polycystic ovary syndrome
收集多囊卵巢综合征(PCOS)患者101例,招募30名正常健康志愿者。根据血清雄激素水平及稳态模型评估的胰岛素抵抗指数(HOMA-IR)水平分层分析肥胖、高雄激素和胰岛素抵抗的关系。结果显示,101例PCOS患者中39.8%患者体重正常,24.5%超重,35.7%肥胖。将PCOS患者分为正常雄激素组(睾酮<0.51 μg/L)和高雄激素组(睾酮≥0.51 μg/L),两组体重指数(BMI)、空腹血糖(FPG)、甘油三酯(TG)、总胆固醇(TC)、低密度脂蛋白胆固醇(LDL-C)、高密度脂蛋白胆固醇(HDL-C)及HOMA-IR均无统计学差异。将PCOS患者分为非胰岛素抵抗组(HOMA-IR<2.29)和胰岛素抵抗组(HOMA-IR≥2.29),两组血清睾酮水平无统计学差异,胰岛素抵抗组的BMI、FPG、TG、TC、LDL-C明显高于非胰岛素抵抗组(P<0.05或P<0.01),HDL-C明显低于非胰岛素抵抗组(P<0.01)。HOMA-IR与BMI显著相关(P<0.01),而与血清睾酮水平无显著相关性,提示PCOS患者体重增加与HOMA-IR的相关性独立于血清睾酮水平。
更多Thirty healthy women and 101 patients with polycystic ovary syndrome (PCOS) were recruited. According to serum testosterone (T) level and homeostasis model assessment for insulin resistance (HOMA-IR) ,the correlation of T and body mass index (BMI) with insulin resistance was analyzed. The results showed that there were 39. 8% normal,24. 5% overweight,and 35.7% obese among 101 PCOS patients. However,there were no significantly differences in BMI, fasting plasma glucose ( FPG ), triglyceride ( TG ), total cholesterol ( TC), low-density lipoprotein-cholesterol ( LDL-C), high-density lipoprotein-cholesterol ( HDL-C ), and HOMA-IR levels between PCOS patients with hyperandrogenemia ( T ≥ 0. 51 μg/L) and normal androgenemia ( T < 0. 51 μg/L). BMI, FPG, TG, TC, and LDL-C levels were higher and HDL-C level was lower in patients with insulin resistance( HOMA-IR ≥ 2. 29 ) than in patients without insulin resistance ( HOMA-IR < 2. 29, P<0. 05 or P< 0. 01 ). Serum T levels were not significantly different between two groups. HOMA-IR was significantly correlated with BMI(P<0. 01 ), not with serum T, suggesting that the gain of body weight is correlated with insulin resistance independent of serum T level.
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