来自:中国糖尿病杂志 编辑:张炜 张征 徐尔理|点击数:|2013-06-24
·糖尿病临床研究·
【摘要】 目的 观察糖调节受损(IGR)患者肾上腺皮质的应激反应。 方法 对103例IGR患者(IGR组)行OGTT试验,ISI、HOMA-IR、葡萄糖及胰岛素曲线下面积(AUCG,AUCI),同时检测患者血、尿皮质醇,血促肾上腺皮质激素(ACTH)等,与65例正常对照者(NC组)进行比较。 结果 IGR组中高皮质醇分泌者为17.5%(18/103),NC组为10.8%(7/65)。IGR组8:00、16:00血皮质醇及尿游离皮质醇均高于NC组,差异有统计学意义(P<0.05)。伴高皮质醇分泌的IGR者AUCG高于NC组(P<0.05)。剔除性别、年龄及BMI的影响因素,IGR者2 hPG、AUCG、ISI及HOMA-IR等与血、尿皮质醇水平相关。结论 IGR者部分出现原发性肾上腺皮质的应激反应,高皮质醇分泌的患病率升高,血糖升高与高皮质醇分泌互为因果。
【关键词】糖调节受损;HPA轴;皮质醇
Observation on the adrenal cortical stress response in patients with impaired glucose regulation ZHANG Wei, ZHANG Zheng, XU Er-li. Department of Endocrinology, PLA 411 Hospital, Shanghai 200081, China
Corresponding author: XU Er-li, E-mail: erlixu@gmail.com
【Abstract】 Objective To observe the adrenal cortical stress response in patients with impaired glucose regulation (IGR). Methods One hundred and three patients with IGR were evaluated. The plasma and urinary cortisol and plasma ACTH of all the subjects were measured, and the OGTT was performed to calculate the insulin sensitivity index (ISI), homeostalic model assessment insulin resistance (HOMA-IR), area under the curve of glucose (AUCG) and insulin (AUCI). The results were compared between IGR and 65 non-hyperglycemic controls. Results The prevalence of increased secretion of cortisol was 17.5% (18/103) in the patients with IGR and 10.8% (7/65) in the control group. The 8:00 and 16:00 h plasma cortisol and urinary free cortisol were higher in IGR than in control group. The IGR patients with increased secretion of cortisol had higher AUCG than did the control group (P<0.05). Adjusting for the influence of sex, age and BMI, the 2 hPG, AUCG, ISI and HOMA-IR were correlated with the level of plasma and urinary cortisol. Conclusions The IGR patients have adrenal cortical stress response, and those with an increased cortisol secretion have a significantly higher prevalence of diabetes. The elevation of glucose is related with increased secretion of cortisol in patients with IGR.
【Key words】 Impaired glucose regulation (IGR); HPA axis; Cortisol
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