Angiographic Evaluation of Peripheral Arterial Occlusive Disease and Its Role as a Prognostic Determinant for Major Amputation in Diabetic Subjects With Foot Ulcers

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Abstract
OBJECTIVE To evaluate in diabetic patients with foot ulcers the angiographic findings of peripheral occlusive arterial disease and their role as a prognostic determinant for major amputation. RESEARCH DESIGN AND METHODS From 1993 to 1995, 104 diabetic inpatients with foot ulcers underwent arteriography on the ulcerated limb. Stenoses in the iliac trunk, the superficial femoral artery, the profunda femoral artery, the popliteal artery, the anterior tibial artery, the posterior tibial artery, and the peroneal artery were scored on the basis of vessel lumen reduction: 0 if stenoses involved a reduction in the vessel lumen of x2 for trend = 50.57, P < 0.001). No major amputation was carried out in patients with angiographic scores 14. Multivariate analysis indicated a high angiographic score as an independent risk factor for major amputation (odds ratio 2.32, P = 0.001, CI 1.40–3.84). CONCLUSIONS Angiography permits an exact detection of occlusive arterial disease in subjects with normal results for noninvasive vascular procedures. A score that has a relevant prognostic value for major amputation can be obtained from the evaluation of the extent and diffusion of the stenoses.

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