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Predictive value of the ankle-brachial index in the evaluation of intermittent claudication
Wolosker, Nelson; Rosoky, Ruben A; Nakano, Lívio; Basyches, Márcio; Puech-Leäo, Pedro.
  • Wolosker, Nelson; Universidade Federal de Säo Paulo. Faculdade de Medicina. Hospital das Clínicas. BR
  • Rosoky, Ruben A; Universidade Federal de Säo Paulo. Faculdade de Medicina. Hospital das Clínicas. BR
  • Nakano, Lívio; Universidade Federal de Säo Paulo. Faculdade de Medicina. Hospital das Clínicas. BR
  • Basyches, Márcio; Universidade Federal de Säo Paulo. Faculdade de Medicina. Hospital das Clínicas. BR
  • Puech-Leäo, Pedro; Universidade Federal de Säo Paulo. Faculdade de Medicina. Hospital das Clínicas. BR
Rev. Hosp. Clin. Fac. Med. Univ. Säo Paulo ; 55(2): 61-4, Mar.-Apr. 2000.
Article in English | LILACS | ID: lil-265860
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
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Brachial Artery / Walking / Intermittent Claudication / Ankle Type of study: Diagnostic study / Observational study / Prognostic study / Risk factors Limits: Humans Language: English Journal: Rev. Hosp. Clin. Fac. Med. Univ. Säo Paulo Journal subject: Medicine Year: 2000 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal de Säo Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Brachial Artery / Walking / Intermittent Claudication / Ankle Type of study: Diagnostic study / Observational study / Prognostic study / Risk factors Limits: Humans Language: English Journal: Rev. Hosp. Clin. Fac. Med. Univ. Säo Paulo Journal subject: Medicine Year: 2000 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal de Säo Paulo/BR