REDUCED PLASMA-ALDOSTERONE CONCENTRATIONS IN RANDOMLY SELECTED PATIENTS WITH INSULIN-DEPENDENT DIABETES-MELLITUS

被引：9

作者：

CRONIN, CC

BARRY, D

CROWLEY, B

FERRISS, JB

机构：

[1] Department of Medicine, Cork University Hospital, University College, Cork

[2] Department of Statistics, Cork University Hospital, University College, Cork

来源：

DIABETIC MEDICINE | 1995年 / 12卷 / 09期

关键词：

PRORENIN; RENIN; ALDOSTERONE; TYPE; 1; DIABETES MELLITUS;

D O I：

10.1111/j.1464-5491.1995.tb02084.x

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Abnormalities of the renin-angiotensin system have been reported in patients with diabetes mellitus and with diabetic complications. In this study, plasma concentrations of prorenin, renin, and aldosterone were measured in a stratified random sample of 110 insulin-dependent (Type 1) diabetic patients attending our outpatient clinic. Fifty-four age- and sex-matched control subjects were also examined. Plasma prorenin concentration was higher in patients without complications than in control subjects when upright (geometric mean (95% confidence intervals (Cl): 75.9 (55.0-105.6) vs 45.1 (31.6-64.3) mUl(-1), p < 0.05). There was no difference in plasma prorenin concentration between patients without and with microalbuminuria and between patients without and with background retinopathy. Plasma renin concentration, both when supine and upright, was similar in control subjects, in patients without complications, and in patients with varying degrees of diabetic microangiopathy. Plasma aldosterone was suppressed in patients without complications in comparison to control subjects (74 (58-95) vs 167 (140-199) ngl(-1), p<0.001) and was also suppressed in patients with microvascular disease. Plasma potassium was significantly higher in patients than in control subjects (mean +/- standard deviation: 4.1+/-0.36 vs 3.89+/-0.26 mmoll(-1); p< 0.001) and plasma sodium was significantly lower (138+/-4 vs 140+/-2 mmoll(-1); p < 0.001). We conclude that plasma prorenin is not a useful early marker for diabetic microvascular disease. Despite apparently normal plasma renin concentrations, plasma aldosterone is suppressed in insulin-dependent diabetic patients.

引用

页码：809 / 815

页数：7

共 38 条

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