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Ankle/Arm Pressure Index in Asymptomatic Middle-Aged Males: An Independent Predictor of Ten-Year Coronary Heart Disease Mortality

Laboratory of Epidemiology and Social Medicine, Faculty of Medicine, Free University of Brussels

M. Dramaix

Laboratory of Epidemiology and Social Medicine, Faculty of Medicine, Free University of Brussels

J. Sobolski

Erasme University Hospital, Faculty of Medicine, Free University of Brussels, Brussels

S. Degre

Erasme University Hospital, Faculty of Medicine, Free University of Brussels, Brussels

G. De Backer

Department of Public Health, Ghent University, Ghent, Belgium

Purpose of the study: to evaluate the predictive power of a reduced ankle/brachial pressure index (ABPI) ( .90) in an asymptomatic middle-aged male working population free of coronary heart disease.

Materials and Methods: 2023 subjects forty to fifty-five years old were screened at their work place. Standard techniques were used. Blood was drawn in the fasting state. Ankle and brachial blood pressures were measured by Doppler signals and all measures were done by one observer, duly trained in epidemiologic methodology

Results: in univariate analysis, an ABPI .90 was significantly associated with age, total serum cholesterol, body mass index, smoking, and awareness of diabetes. In multi- variate analysis, it was associated with awareness of diabetes, age, Ln triglycerides (P=.073), and smoking (P=.088).

Relative risks for reduced versus normal ABPI are 2.77 (P=.010), 4.16 (P=.011) and 4.97 (P=.006) for ten-year all causes, cardiovascular, and coronary mortality, respec tively. In a multiple logistic regression analysis, the following variables were significant independent predictors of coronary mortality: smoking (odds ratio [OR] =4.84), reduced ABPI (OR=3.63), and low density lipoprotein cholesterol (OR for 1 SD=1.69). Reduced ABPI is also an independent predictor of cardiovascular mortality

Conclusion: a reduced ABPI is an independent risk factor for coronary and cardio vascular mortality in asymptomatic middle-aged Belgian males.

Angiology, Vol. 46, No. 3, 211-219 (1995)
DOI: 10.1177/000331979504600304


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