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DOI: 10.1055/s-2007-1014804
© Georg Thieme Verlag, Stuttgart · New York
Intravenous Glucose Tolerance, Insulin Response to Glucose, Peripheral Sensitivity to Insulin, and Serum Lipoproteins in Post-Myocardial Infarct Patients with Normal Fasting Blood Glucose
Publication History
1983
1983
Publication Date:
14 March 2008 (online)
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Summary
Intravenous glucose tolerance (IVGTT), basal insulin and insulin response to glucose infusion (GIT), insulin sensitivity, and lipoprotein patterns were determined in non-obese postcoronary subjects, 3-6 months after myocardial infarction. Twelve had decreased and 31 normal IVGTT. The control group comprised 31 subjects with normal IVGTT, who did not display any signs of coronary disease. The post-coronary patients were not taking any drugs except for furosamide, which was shown not to influence insulin response to GIT or glucose tolerance.
Decreased IVGTT in the post-coronary patients could be ascribed to decreased insulin response and insulin resistance. These two derangements are considered as hereditary markers in glucose intolerance and type 2 diabetes. Accordingly, our findings suggest that glucose intolerance in subjects with myocardial infarcts has the same background.
The post-coronary patients demonstrated elevated triglycerides (TG) and cholesterol in total serum and in very low density lipoproteins (VLDL), the lipoprotein patterns being almost identical in post-coronary patients with or without decreased IVGTT. No relationship was found in the control and post-coronary groups between IVGTT, basal insulin, stimulated insulin (KI, IP), and insulin sensitivity (KG), on the one hand, and total or VLDL TG or any other lipoprotein particle, on the other. Thus, the derangements in glucose, insulin, and serum triglyceride metabolism were independent abnormalities (risk factors) in these non-obese post-coronary patients.
Key-Words:
Myocardial Infarction - Risk Factors - Intravenous Glucose Tolerance - Glucose Infusion Test - Insulin Secretion - Serum Lipoproteins - Triglycerides - Cholesterol