Risk factors for left atrial thrombus from transesophageal echocardiography findings in ischemic stroke patients

Fukushima Journal of Medical Science
Tomohiro KumagaiTetsuhito Fukushima

Abstract

To identify the cause of cerebral embolism, we performed transesophageal echocardiography (TEE) in patients suspected of embolic brain infarction including transient ischemic attack (TIA). We analyzed TEE findings and investigated factors associated with left atrial thrombus (LAT) detected by TEE. We enrolled 98 consecutive patients who underwent TEE and had acute brain infarction or TIA that was possibly due to embolism. We assessed age, sex, presence of atrial fibrillation (AF), days from admission to TEE and TEE findings, including the prevalence of LAT, spontaneous echo contrast (SEC), left atrial appendage (LAA) slow flow velocity, patent foramen ovale (PFO), atrial septal aneurysm and aortic plaque (ASA). LAT was detected with TEE in 20 patients (20%). The factors that were significantly associated with the presence of LAT were male sex (unadjusted odds ratio (OR), 3.94; 95% confidence interval (CI), 1.07-14.58; p=0.037), presence of AF (unadjusted OR, 9.58; 95% CI, 2.58-35.50; p< 0.001), SEC (unadjusted OR, 8.48; 95% CI, 2.57-28.00; p< 0.001) and LAA slow flow velocity (unadjusted OR, 5.18; 95% CI, 1.59-16.91; p=0.005). Multivariate logistic regression analysis revealed that male sex (adjusted OR, 5.30; 95% CI, 1.09-25.7...Continue Reading

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Citations

Nov 6, 2018·Cardiovascular Research·Ahsan A Khan, Gregory Y H Lip
Apr 21, 2020·Clinical Research in Cardiology : Official Journal of the German Cardiac Society·Dominik NellesAlexander Sedaghat

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