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In outpatients with atrial fibrillation and without recent stroke,thrombi of the left atrium or left atrial appendage and length and width of the left atrial appendage were associated with stroke or embolism in univariate analysis.In a multivariate analysis,age,hypertension and previous stroke were risk factors for stroke or embolism and thrombi of the left atrium or left atrial appendage were possible risk factors.In these patients,history may be more useful than transesophageal echocardiography for the assessment of embolic risk. |
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