机构地区:[1]复旦大学附属妇产科医院妇科,上海200011
出 处:《中华妇产科杂志》2013年第10期740-744,共5页Chinese Journal of Obstetrics and Gynecology
摘 要:目的探讨绝经后早期、晚期内源性雄激素水平及活性变化与胰岛素抵抗之间的相关性。方法募集2009年9月至2011年9月在复旦大学附属妇产科医院就诊的绝经后早期妇女(绝经时间≤5年)105例(绝经后早期组)、绝经后晚期妇女(绝经时间≥10年)107例(绝经后晚期组),并进一步根据体质指数(BMI)分为正常体质量者(BMI〈24kg/m^2)和超重者(BMI≥24kg/m^2)。采用全自动生化分析仪测定空腹血糖(FBG)水平;采用全自动化学发光仪测定睾酮、硫酸脱氢表雄酮(DHEA—S)、性激素结合球蛋白(SHBG)及空腹胰岛素(FINS)水平,并计算游离雄激素指数(FAI,代表雄激素活性)和稳态模型胰岛素抵抗指数(HOMA—IR);采用偏相关分析法、多元线性回归法分析SHBG、FAI、睾酮、DHEA—S与胰岛素抵抗的相关性。结果绝经后晚期组妇女FINS[(7.9±6.6)mU/L]、HOMA—IR(2.1±1.9)高于绝经后早期组[FINS水平为(6.6±4.0)mU/L、HOMA—IR为1.7±1.1],而绝经后晚期组DHEA—S为(0.9±0.5)mg/L,低于绝经后早期组的(1.1±0.5)mg/L,两组上述各指标间分别比较,差异均有统计学意义(P〈0.05)。两组妇女中,超重者HOMA.IR(绝经后早期组为2.2±1.0;绝经后晚期组为2.8±2.6)、FINS[绝经后早期组(6.9±2.9)mU/L;绝经后晚期组(10.2±9.3)mU/L]高于正常体质量者HOMA-IR(绝经后早期组为1.2±0.9;绝经后晚期组为1.6±1.1)、FINS[绝经后早期组(4.6±2.0)mU/L;绝经后晚期组(6.4±3.6)mU/L],差异有统计学意义(P〈0.05)。绝经后早期组妇女中,超重者SHBG[(52±37)nmol/L]低于正常体质量者[(71±37)nmol/L],而超重者FAI(2.5±2.1)高于正常体质量者(1.3±1.1);在绝经后晚期组妇女中,超重者DHEA—S为(1.0±0.5)mg/L,高于�Objective To investigate the relationship between insulin resistance and endogenous androgens at early and late phase of postmenopause. Methods A total of 105 women with early postmenopause (≤5 years since menopause) and 107 women with late postmenopause (≥10 years since menopause) were enrolled in this study. In the mean time, those women were classified into normal weight [ body mass index (BMI), BMI 〈 24 kg/m^2] group and overweight (BMI≥24 kg/m^2 ) group. Sex hormonebinding globulin ( SHBG), testosterone ( T ), dehydroepiandrosterone-sulfate ( DHEA-S ), fasting blood glucose( FBG), fasting insulin (FINS)levels were measured and then calculated free androgen index(FAI) and homeostatic model assessment of insulin resistance (HOMA-IR). The relationship between sex hormones and insulin resistance was analyzed by partial correlation and multiple linear regression analyses. Results Compared to early postmenopausal women, late postmenopausal women had higher FINS [ (7.9 +6. 6) mU/L versus (6. 6 +4. 0) mU/L] and HOMA-IR(2. 1 ±1.9 versus 1.7 ± 1.1 ), but they had lower DHEA-S [ (0. 9 + 0. 5 ) mg/L versus ( 1. l ± O. 5 ) mg/L, all P 〈 0. 05 ) ]. Both in early postmenopausal and late postmenopausal groups, overweight women had higher HOMA-IR ( early group,2. 2 ±1.0 versus 1.2 ± 0.9;late group,2. 8 ±2.6 versus 1.6 ± 1.1)and FINS early group[ (6.9 +2.9) mU/L versus (4.6 + 2. O) mU/L] ;late group [ ( 10. 2 + 9. 3) mU/L versus (6. 4 + 3.6) mU/L] than those at women with normal weight group ( all P 〈 O. 05 ). In early postmenopausal group, overweight women had lower SHBG [ (52 ± 37) nmol/L versus (71 + 37 ) nmol/L]and higher FAI( 2. 5 ± 2. 1 ) versus ( 1.3 + 1.1 ) than those at normal weight women group( all P 〈 0. 05 ). In late postmenopausal group, overweight women had higher DHEA-S ( 1.0 ± 0. 5 ) mg/L versus (0. 8 ± O. 4) mg/L ( P 〈 O. 05 ). The analyses sug
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