Islamic Republic Boulevard.Yazd ,Iran
Background- Cardiovascular diseases are the main cause of death in diabetic patients. Various studies have shown simultaneous involvement of coronary artery disease along with peripheral artery diseases (PAD).
The aim of this study is to evaluate the ability of Ankle/Brachial Index (ABI) to foretell the possibility of ischemic heart diseases in diabetic patients
. Methods- The diabetic patients, who visited our diabetes research center between May 2000 and May 2001 and were, confirmed diabetics for the previous 2 or more years, were enrolled in the study. The ABI was calculated for all of the patients and their Demographic specifications and ischemic heart disease risk factors were recorded. All the patients referred to perform an exercise test according to the Bruce protocol.
Results- Four hundred ninety- seven patients (52.4%) were women, and 451 patients (47.6%) were men. The mean age was 55.25 ± 10.08 years. 10.2%of the patients had an ABI <_ 1. ABI showed a significant reduction in patients > 60 years (P = 0.02). Two hundred thirty- eight patients were in group I (25.1 %), 625 patients in group II (65.9 %) and 85 patients in group III (9%). 52.8% of the 125 patients in Group I, 19.6% of the 107 patients in group II and 44.7% of the 47 patients in Group III had positive exercise test. I, II (P=~ 0.00) - II, III (P = 0.05).A total of 108 patients out of the 279 patients had positive exercise test (38%) and most of them were from groups I &III. 72.2% of group I and 52.5% of group II had high blood pressure (P - 0.00(.
Conclusion- Ankle Brachial Index (ABI) with cutoff point 51.1 & >_ 1.4 is an independent predictor of coronary artery diseases in diabetic patients, especially in those who are hypertensive (Iranian Heart Journal 2002, 2003; 3(4) & 4(1): 47-55).