Open AccessCHADS2 e CHA2DS2VASc como preditores de fonte cardioembólica em prevenção secundária cerebrovascular
Author(s) -
Tiago Sá,
João SargentoFreitas,
Vítor Pinheiro,
Rui Martins,
Rogério Teixeira,
Fernando Silva,
Nuno Mendonça,
Gustavo Cordeiro,
Lino Gonçalves,
Luís A. Providência,
António Freire-Gonçalves,
Luı́s Cunha
Publication year - 2013
Publication title -
revista portuguesa de cardiologia
Language(s) - English
Resource type - Journals
eISSN - 2174-2030
pISSN - 0870-2551
DOI - 10.1016/j.repc.2012.09.007
Subject(s) - medicine , atrial fibrillation , stroke (engine) , cardiology , context (archaeology) , receiver operating characteristic , population , neurology , biology , mechanical engineering , paleontology , environmental health , engineering , psychiatry
Cardioembolism is one of the most common causes of ischemic stroke, with an estimated prevalence of 20-30%, and correct diagnosis is essential given the therapeutic implications. Although stroke risk scores (CHADS2 and more recently CHA2DS2-VASc) have been validated in heterogeneous populations of patients with atrial fibrillation, their accuracy has not been ascertained for secondary stroke prevention. We set out to assess the sensitivity and specificity of the CHADS2 and CHA2DS2-VASc stroke risk scores as predictors of cardioembolic sources, documented by transesophageal echocardiography (TEE) in a population with ischemic stroke.
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