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Jornal Vascular Brasileiro

versão impressa ISSN 1677-5449versão On-line ISSN 1677-7301

Resumo

CUNHA-FILHO, Inácio Teixeira da et al. Correlation between ankle-brachial index before and after shuttle walk test. J. vasc. bras. [online]. 2007, vol.6, n.4, pp.332-338. ISSN 1677-5449.  http://dx.doi.org/10.1590/S1677-54492007000400006.

BACKGROUND: Patients with peripheral occlusive artery disease (POAD) show changes in blood flow that may impair their walking ability. However, variability between inferential measurements of blood flow and walking performance is still high. OBJECTIVE: To correlate the ankle-brachial index (ABI) before and after performing the shuttle walk test (SWT). METHODS: Twenty-one patients with claudication due to POAD had their ABI values registered before and after walking based on a progressive external controlled speed walking protocol. RESULTS: Distance (261.07±160.63 m), time (292.30±122.61 seconds) and speed (1.23±0.34 m/s) obtained at claudication onset and when the limiting walking symptom started (369.52±157.97 m, 377.71±104.60 seconds, 1.46±0.29 m/s, respectively) were registered. Mean ABI before and after the SWT was 0.66±0.14 and 0.42±0.19, respectively. There was no substantial correlation between ABI pre- and post-walking and the variables obtained with the SWT (distance, time and speed). CONCLUSION: Time, speed and distance for claudication onset and walking limiting symptom during a progressive speed walking protocol are independent of inferential blood flow measurements obtained by ABI before and after exercise.

Palavras-chave : Claudication; walking test; flow.

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