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Prevalence of Symptomatic and Asymptomatic Peripheral Arterial Disease and the Value of the Ankle-brachial Index to Stratify Cardiovascular Risk

2009; Elsevier BV; Volume: 38; Issue: 3 Linguagem: Inglês

10.1016/j.ejvs.2009.04.013

1532-2165

Rafel Ramos, Miquel Quesada, Pascual Solanas, Isaac Subirana, Joan Sala, Joan Vila, Rafel Masià, Carlos Cerezo, Roberto Elosúa, María Grau, F. Cordón, Dolors Juvinyà, Montserrat Fitó, María‐Isabel Covas, Albert Benet i Clarà, Miguel Ángel Muñoz, Jaume Marrugat,

Venous Thromboembolism Diagnosis and Management

Abstract Objectives To determine the prevalence of ankle-brachial index (ABI)<0.9 and symptomatic peripheral arterial disease (PAD), association with cardiovascular risk factors (CVRF), and impact of adding ABI measurement to coronary heart disease (CHD) risk screening. Design Population-based cross-sectional survey of 6262 participants aged 35–79 in Girona, Spain. Methods Standardized measurements (CVRF, ABI, 10-year CHD risk) and history of intermittent claudication (IC), CHD, and stroke were recorded. ABI<0.9 was considered equivalent to moderate-to-high CHD risk (≥10%). Results ABI<0.9 prevalence was 4.5%. Only 0.62% presented low ABI and IC. Age, current smoker, cardiovascular disease, and uncontrolled hypertension independently associated with ABI 10%. In participants 75–79 free of cardiovascular disease, the prevalence of ABI<0.9 (i.e., CHD risk≥10%) was 11.9%. Conclusions ABI<0.9 is relatively frequent in those 35–79, particularly over 74. However, IC and CHD risk≥10% indicators are often missing. Adding ABI measurement to CHD-risk screening better identifies moderate-to-high cardiovascular risk patients.