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糖耐量随年龄增长而降低已为人们所知,但对老年人糖尿病糖耐量诊断标准目前无一致意见。本资料按世界卫生组织1980年提出的糖耐量试验方法及诊断标准,检查分析了204人50岁以上受检者糖耐量结果及其胰岛功能。发现糖耐量随年龄增长而降低与国内外报导相同。糖耐量在正常范围者,无胰岛分泌功能异常。糖耐量异常者,服糖后30分钟胰岛素释放倍数及胰岛素/血糖比值低于对照组,高峰后移到60分钟,显示第一相胰岛素分泌功能减弱。但在高血糖刺激下仍有一定代偿能力,胰岛素/血糖总面积比值仍正常。
It has been known that glucose tolerance decreases with age, but there is currently no consensus on the diagnostic criteria of diabetes mellitus in the elderly. This information according to the World Health Organization in 1980, the glucose tolerance test methods and diagnostic criteria, check and analysis of 204 people over the age of 50 subjects with impaired glucose tolerance and islet function. Found that impaired glucose tolerance with age and reduce the same as reported at home and abroad. Impaired glucose tolerance within the normal range, no abnormal pancreatic secretion. Patients with impaired glucose tolerance, insulin release fold and insulin / blood glucose ratio 30 minutes after taking sugar than the control group, peak to 60 minutes after the shift, showing the first phase of insulin secretion decreased. However, there is still some compensatory ability under the stimulation of hyperglycemia, and the ratio of total insulin / blood glucose is still normal.