PRIOR LONG-TERM GLYCEMIC CONTROL AND INSULIN THERAPY IN INSULIN-DEPENDENT DIABETIC ADOLESCENTS WITH MICROALBUMINURIA

被引:13
作者
KALK, WJ
OSLER, C
TAYLOR, D
PANZ, VR
机构
[1] The Division of Endocrinology and Metabolism, Department of Medicine, University of the Witwatersrand, Johannesburg
关键词
Glycaemic control; Microalbuminuria;
D O I
10.1016/0168-8227(90)90013-J
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Adolescence seems to be a period of increased risk for the initiation of diabetic renal disease in insulin-dependent diabetic children. Poor glycaemic control is a risk factor for diabetic nephropathy. We have therefore evaluated prior long-term glycaemic control in 23 diabetic adolescents with microalbuminuria (albumin excretion rate (AER) 20-200 μg/min, median 39.0 μg/min) and in 23 matched diabetic controls with AER < 20 μg/min (median 9.3 μg/min). Glycaemic control was assessed by mean HbA1 and clinic blood glucose levels over a period ranging from 12 to 84 months (median 48 months). Mean HbA1 was 13.6 ± 2.0% in the microalbuminuric subjects, compared to 11.5 ± 2.2% in the controls (P < 0.002); mean blood glucose levels were 13.5 ± 3.0 and 11.4 ± 3.0 mmol/l, respectively (P < 0.02). There appeared to be a 'threshold effect' (mean HbA1 > 12.0%), above which the development of microalbuminuria was more likely. More patients with microalbuminuria than controls had been treated with a single rather than twice-daily insulin injections (P < 0.001), and glycaemic control was significantly worse in patients treated with one injection. We conclude that poor long term glycaemic control is a risk factor for microalbuminuria, and that improving control during childhood is likely to reduce the prevalence of later microalbuminuria. Two insulin injections, of combined intermediate and short-acting preparations, are more likely to provide better control than a single daily insulin dose. © 1990.
引用
收藏
页码:83 / 88
页数:6
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