Cantú-Brito C, Chiquete E, Duarte-Vega M, Rubio-Guerra A, Herrera-Cornejo M, Nettel-García J

Language: Spanish
References: 19
Page: 239-246
PDF size: 52.78 Kb.

ABSTRACT

Objective: to know the peripheral arterial disease (PAD) prevalence and its determinants in a nationwide survey in Mexican population.
Methods: baseline ankle brachial index (ABI) measured by Doppler was performed in patients at high vascular risk for PAD. ABI between 1 and 1.3 was regarded as normal. ABI ≤ 0.9 (a low ABI) was considered to be an indicator of PAD. ABI › 1.3 (a high ABI) was also considered abnormal, as an indirect index of artery calcification and stiffness.
Results: a total of 5 101 patients were evaluated: 1 212 patients (23.8 %) had ABI ≤ 0.9, and 431 (8.4 %) › 1.3 (including 1 % with incompressible vessels). ABI ≤ 0.9 was associated with age, arterial hypertension, diabetes, current smoking, dyslipidemia and previous vascular events. On the other hand, ABI › 1.3 was associated with male gender, diabetes, previous smoking habit and history of vascular events. A high proportion of patients (62.5 %) with established PAD, identified by a low ABI (≤ 0.9) were asymptomatic or with minimum symptoms at the time of their assessment.
Conclusion: a significant prevalence of abnormal ABI was identified. ABI measurement by Doppler can help to identify patients who need intense secondary prevention and more aggressive treatment of vascular risk factors.

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