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Angiographic Study of Coronary Artery Disease in Diabetic Patients in Comparison with Nondiabetic Patients

Vassilis Dimopoulos, MD

Emmanuel Lempidakis, MD

John Hatzissavas, MD

George Kouvaras, MD

Alexander Stefanidis, MD

Stefanos Foussas, MD, FACC

Stefanos Foussas

Dept. of Cardiology Tzanio Hospital Afentouli and Zanni Street Pireas 185 36 Greece

Diabetes mellitus is known to be a major risk factor for the development of coronary artery disease (CAD). The aim of this study was to investigate angiographically the coronary arteries of diabetic persons, focusing on the type and distribution of CAD, sex differences in CAD anatomy, and the size of the coronary vessels. This was a randomized study and included two groups of patients with angiographically demonstrated CAD. Group A included 463 diabetics, aged 60.3 years, and Group B 210 nondiabetic patients, aged 58.5 years. The two groups were matched by age, sex, weight, and classic risk factors. The authors evaluated the regional location of CAD, left ventricular (LV) function, and the width of the lumen of coronary arteries. The diabetics had three-vessel disease more frequently (p < 0.001) and one-vessel disease less frequently (p < 0.001). The CAD was more extensive in Group A (mean 2.2 vessels, compared to 1.8 vessels in Group B, p < 0.01). The right coronary artery was affected more often in diabetics (p < 0.01), as was the anterior descending artery in three-vessel disease (p < 0.05). The male diabetics had the same angiographic CAD severity as the females, although the latter had a better LV ejection fraction (p < 0.05). The female diabetics < 55 years old had CAD findings comparable with those from women 4 years older in Group B. Diabetics show more diffuse and severe CAD than the general population. There are no sex-related differences in the severity of CAD.

Angiology, Vol. 50, No. 12, 997-1006 (1999)
DOI: 10.1177/000331979905001205


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