5-YEAR FOLLOW-UP-STUDY ON PLASMA-INSULIN LEVELS IN NEWLY DIAGNOSED NIDDM PATIENTS AND NONDIABETIC SUBJECTS

被引:55
作者
NISKANEN, LK [1 ]
UUSITUPA, MI [1 ]
SARLUND, H [1 ]
SIITONEN, O [1 ]
PYORALA, K [1 ]
机构
[1] UNIV KUOPIO, DEPT CLIN NUTR, SF-70210 KUOPIO, FINLAND
关键词
D O I
10.2337/diacare.13.1.41
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
A representative group of middle-aged (45- to 64-yr-old) patients with non-insulin-dependent diabetes mellitus (NIDDM) (n = 133; 70 men, 63 women) were examined at the time of diagnosis and 5 yr afterward for metabolic control and insulin response to oral glucose; 144 nondiabetic control subjects (62 men, 82 women) were similarly examined twice between 5-yr intervals. At the 5-yr examination, 56 of the diabetic patients (36 men, 20 women) were on diet therapy only, 60 (27 men, 33 women) received oral antidiabetic drugs, and 5 were treated with insulin. The metabolic control of diabetic patients was poor at the time of diagnosis and 5-yr examination. Fasting plasma insulin levels were higher in diabetic patients than in control subjects both at baseline (23 ± 2 vs. 14 ± 1 mU/L, P < 0.01, for men; 26 ± 2 vs. 15 ± 1 mU/L, NS, for women) and 5-yr examination (19 ± 1 vs. 16 ± 2 mU/L, NS, for men; 29 ± 5 vs. 15 ± 1 mU/L, P < 0.05, for women). The frequency of insulin deficiency in diabetic patients based on a postglucagon (1 mg i.v.) C-peptide level <0.60 nM was 3.3% at the 5-yr examination, indicating that true insulin deficiency was uncommon during the first years after diagnosis of diabetes in middle-aged subjects.
引用
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页码:41 / 48
页数:8
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