Affiliation:
1. University of Pittsburgh, Graduate School of Public Health, Department of Epidemiology; the Children's Hospital of Pittsburgh, Departments of Nephrology and Pediatrics; and the Eye and Ear Hospital of Pittsburgh, Department of Ophthalmology Pittsburgh, Pennsylvania
Abstract
The relationship between glycemic control and complications of insulin-dependent diabetes mellitus (IDDM) remains controversial. With the use of glycosylated hemoglobin (HbA,) to assess glycemic control from diagnosis onward, the Pittsburgh Prospective Insulin-Dependent Diabetes Mellitus Cohort Study prospectively evaluated 80 new cases of IDDM diagnosed at Children's Hospital of Pittsburgh. This study presents findings in 62 patients at 5 yr postdiagnosis. Only 7 patients, all girls, had any retinopathy (microaneurysms). These subjects had an elevated 5-yr mean HbA1 compared to those with no retinopathy (13.0 vs. 11.7%; P < .05). Six female subjects who had an elevated albumin excretion rate (AER; >20 μg/min) had a higher 5-yr mean HbA, (13.3%) than the 26 subjects with AER <20 |xg/min (11.8%; P < .05). Current HbA1 was correlated with AER (r = +.36, P < .05) and systolic blood pressure (r = +.49, P < .01) in females. However, these associations were not observed in males. Positive correlations were found between HbA1 (5-yr mean and current) and serum triglyceride and cholesterol, but only in females was HbA1 inversely related to high-density lipoprotein cholesterol. However, HbA1 was independent of sex, HLA-DR type, and urine C-peptide status. Age adjustment did not change the above results. These analyses suggest that glycemic control is related to AER, systolic blood pressure, presence of microaneurysms, and serum triglyceride and cholesterol concentrations during the first 5 yr of IDDM. However, these associations appear to be predominant in girls.
Publisher
American Diabetes Association
Subject
Advanced and Specialized Nursing,Endocrinology, Diabetes and Metabolism,Internal Medicine
Cited by
56 articles.
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