In asymptomatic type-2 diabetic patients, the prevalence of significant carotid stenosis is 4.7%, and screening yield may be optimized by targeting men with a history of coronary heart disease or an ABI <0.85.
The objective of this prospective observational study was to establish the prevalence of carotid atherosclerosis in an asymptomatic diabetic population and to determine predictive factors for a screening optimization. A total of 300 consecutive type-2 diabetic subjects (166 males, 134 females) underwent a physical examination and duplex carotid scanning. Patients with a recent cerebrovascular event ( or = 60% or occlusion was 4.7%; the prevalence of carotid atherosclerosis was 68.3%. Risk factors for stenosis > or = 60% or occlusion were the presence of diabetic retinopathy (OR: 3.62; 95% CI: 1.12-11.73), ankle-brachial index (ABI) 60% stenosis is highest among men with a history of coronary heart disease or an ABI <0.85.
Lacroix et al. (Mon,) studied this question.
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