Usefulness of enhanced insulin secretion during an oral glucose tolerance test as a predictor of restenosis after direct percutaneous transluminal coronary angioplasty during acute myocardial infarction in patients without diabetes mellitus

The American Journal of Cardiology
H OsanaiT Ito

Abstract

To determine predictive factors of the development of restenosis after percutaneous transluminal coronary angioplasty (PTCA), 25 nondiabetic nonobese patients aged <80 years old and 57 consecutive patients with successful direct PTCA with acute myocardial infarction were subjected to a 75-g oral glucose tolerance test (OGTT) and underwent follow-up coronary angiography 4 months later. The relation between the development of restenosis (late loss index: the decrease in the absolute minimal lumen diameter [MLD] at follow-up coronary angiography divided by MLD measured 1 day after PTCA) and the results of OGTT together with basic patient characteristics like age, body mass index, plasma levels of cholesterol, triglycerides, and high-density lipoprotein cholesterol were analyzed. Spearman's rank correlation analysis revealed that neither age, body mass index, nor plasma lipids correlated with late loss index, but only insulin area (p = 0.041) and insulin area/glucose area (p = 0.038) significantly correlated with the development of restenosis; a stepwise multiple regression analysis revealed that the insulin area was the only independent predictor of restenosis (p = 0.019). These results suggest that enhanced insulin secretion in r...Continue Reading

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Citations

Nov 22, 2001·Japanese Circulation Journal·M ImazuN Kohno
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