Predictive value of the ankle-brachial index in the evaluation of intermittent claudication
Data(s) |
01/04/2000
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Resumo |
The purpose of this study was to determine whether the ankle-brachial index (ABI) could be used to predict the prognosis for a patient with intermittent claudication (IC). We studied 611 patients prospectively during 28 months of follow-up. We analyzed the predictive power of using various levels of ABI - 0.30 to 0.70 at 0.05 increments - in terms of the measure's specificity (association with a favorable outcome after exercise rehabilitation therapy) and sensitivity (association with a poor outcome after exercise rehabilitation therapy). We found that using an ABI of 0.30 as a cut-off value produced the lowest margin of error overall, but the predictive power was still low with respect to identifying the patients with a poor prognosis after non-aggressive therapeutic treatment. Further study is needed to perhaps identify a second factor that could increase the sensitivity of the test. |
Formato |
text/html |
Identificador |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0041-87812000000200005 |
Idioma(s) |
en |
Publicador |
Faculdade de Medicina / Universidade de São Paulo - FM/USP |
Fonte |
Revista do Hospital das Clínicas v.55 n.2 2000 |
Palavras-Chave | #Intermittent claudication #Risk factors #Diagnostic #Atherosclerosis #Complications |
Tipo |
journal article |