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Screening for peripheral arterial disease recommended

The 6-minute walk distance (6MWD) is associated with International Physical Activity Questionnaire (IPAQ) scores, ankle–brachial index (ABI), and absence of IC, according to a study published recently in the International Journal of General Medicine.1 Age, ABI and absence of intermittent claudication (IC) were independently associated with functional capacity in patients with or at high risk of cardiovascular disease, the authors found.

The study aimed to investigate the association between the ABI, IC, and physical activity level, and the influence of these variables on the functional capacity of patients with or at high risk of cardiovascular disease seen in a reference cardiology outpatient clinic in Southern Brazil. The secondary objective was to assess the prevalence of peripheral arterial disease (PAD) in this sample of patients.

The authors evaluated 162 consecutive patients, who were classified into three groups according to their ABI: normal ABI (n=104, values between 1.00 and 1.40); borderline PAD (n=23, values between 0.91 and 1.00); and patients with PAD (n=35, ≤0.90). The presence of IC was assessed using the Edinburgh Claudication Questionnaire. The level of physical activity was assessed by the short version of the IPAQ and functional capacity was assessed by the 6MWD.

30873888_sThe prevalence of PAD was 21.6% in the total sample. The 6MWD showed strong correlation with the absence of IC (r=0.785; P,0.001), moderate correlation with age (r=–0.347; P,0.001), and weak correlations with IPAQ scores (r=0.164; P=0.038) and ABI (r=0.216; P=0.006). Age, ABI, and absence of IC were independently associated with the outcome (P=0.001, P=0.001, and P=0.028, respectively).

References

1. Nardi Gomes TJ, Martins de Albuquerque I, de Moraes Costa P, Cardoso DM, de Moraes Costa G, da Costa Vieira JL. Association between the ankle–brachial index, intermittent claudication, and physical activity level: what is the influence on the functional capacity of patients with or at high risk of cardiovascular disease? Int J Gen Med 2015:8:55–62. http://dx.doi.org/10.2147/IJGM.S76446

Published on: January 29, 2015

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ENDORSED BY

  • ArrhythmiaAlliance
  • Stars
  • Anticoagulation Europe
  • Atrial Fibrillation Association
 

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