{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T11:41:39Z","timestamp":1771674099554,"version":"3.50.1"},"reference-count":28,"publisher":"Wiley","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p><jats:italic>Background.<\/jats:italic>Transesophageal echocardiogram (TEE) is superior to transthoracic echocardiogram (TTE) in detecting left atrial thrombus (LAT), a risk factor for stroke, but is costly and invasive, carrying a higher risk for complications.<jats:italic>Aims.<\/jats:italic>To determine the utility of using left atrial enlargement (LAE) on TTE to predict LAT on TEE.<jats:italic>Methods.<\/jats:italic>AIS patients who presented in<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mrow><mml:mtext>06\/2008\u20137\/2013<\/mml:mtext><\/mml:mrow><\/mml:math>and underwent both TTE and TEE were identified from our prospective stroke registry. Analysis consisted of multivariate logistic regression with propensity score adjustment and receiver operating characteristic (ROC) area under the curve (AUC) analyses.<jats:italic>Results.<\/jats:italic>219 AIS patients underwent both TTE and TEE. LAE on TTE was detected in 113 (51.6%) of AIS patients. Patients with LAE on TTE had higher proportion of LAT on TEE (8.4% versus 1.0%,<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mi>p<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">0.018<\/mml:mn><\/mml:math>). LAE on TTE predicted increased odds of LAT on TEE (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M3\"><mml:mi mathvariant=\"normal\">O<\/mml:mi><mml:mi mathvariant=\"normal\">R<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn mathvariant=\"normal\">8.83<\/mml:mn><\/mml:math>, 95% CI 1.04\u201374.83,<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M4\"><mml:mi>p<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">0.046<\/mml:mn><\/mml:math>). The sensitivity and specificity for LAT on TEE by LAE on TEE were 88.89% and 52.20%, respectively (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M5\"><mml:mi mathvariant=\"normal\">A<\/mml:mi><mml:mi mathvariant=\"normal\">U<\/mml:mi><mml:mi mathvariant=\"normal\">C<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn mathvariant=\"normal\">0.7054<\/mml:mn><\/mml:math>, 95% CI 0.5906\u20130.8202).<jats:italic>Conclusions.<\/jats:italic>LAE on TTE can predict LAT detected on TEE in nearly 90% of patients. This demonstrates the utility of LAE on TTE as a potential screening tool for LAT, potentially limiting unneeded costs and complications associated with TEE.<\/jats:p>","DOI":"10.1155\/2016\/7194676","type":"journal-article","created":{"date-parts":[[2016,10,16]],"date-time":"2016-10-16T17:02:38Z","timestamp":1476637358000},"page":"1-6","source":"Crossref","is-referenced-by-count":13,"title":["Left Atrial Enlargement on Transthoracic Echocardiography Predicts Left Atrial Thrombus on Transesophageal Echocardiography in Ischemic Stroke Patients"],"prefix":"10.1155","volume":"2016","author":[{"given":"James","family":"Anaissie","sequence":"first","affiliation":[{"name":"Tulane Stroke Research Program, Tulane University Medical Center, New Orleans, LA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7671-1886","authenticated-orcid":true,"given":"Dominique","family":"Monlezun","sequence":"additional","affiliation":[{"name":"Tulane Stroke 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