ABSTRACT
Peripheral obstructive arterial disease is a consequence of atherosclerosis, leading to
obstruction and thickening arterial wall. Many risk factors responsible or related to beginning
or progression of systemic atherosclerosis (cerebral, coronary or peripheral) are modifiable by
adequate management. The aging of population has been appointed as a factor of increasing
the prevalence of peripheral arterial disease. The presence of subclinical marker, as an ankle-
brachial index below 0,90, showed a predictive value for coronary arterial disease and
increased mortality. The research was designed to identify the presence of peripheral artery
disease and its association with cardiovascular risk factors in elderly from Centro de Atenção
a Melhor Idade (CAIMI) Dr. Paulo Lima. It was a case-control study. Cases were patients
with an ankle-brachial index equal or below 0,90 and controls were individuals with an ankle-
brachial index above 0,90. A total of 187 individuals were included (62 cases and 125
controls). The risk factors evaluated were: hypertension, diabetes, overweight, smoking,
physical activity, angina (symptom and ECG alterations), family history of cardiovascular
disease, total cholesterol, LDL-cholesterol, HDL-cholesterol, triglycerides, alcohol intake.
The collected variables were compared between cases and controls according to previously
established criteria. The statistical analysis was performed using univariate analysis. The
following risk factors were associated with peripheral arterial disease: angina (OR 2,7 IC 95%
1,3-5,4), exertional angina (OR 2,4 IC 95% 1,2-4,9), psychological stress angina (OR 15,8 IC
1,9-131,4), angina at rest (OR 9,7 IC 95% 3,0-30,6), electrocardiogram abnormalities (OR 2,6
IC 95% 1,5-5,4), t-wave inversions (OR 2,8 IC95% 1,5 – 5,4), left ventricular hypertrophy
(OR 2,7 IC 95% 1,3-5,2), serum glucose > 126 mg/dl (OR 4,1 IC 95% 1,3 12,7). Angina,
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