• Irsa Shoiab, David A Danford, Ling Li, Ibrahim Abdullah, James M Hammel, and Shelby Kutty.
• Division of Pediatric Cardiology, University of Nebraska College of Medicine and Children's Hospital and Medical Center, Omaha, Nebraska.
• J Am Soc Echocardiogr. 2015 Sep 1; 28 (9): 1030-5.

BackgroundPredischarge (pre-d/c) transthoracic echocardiography (TTE) is routine after surgery for congenital heart disease, but how it affects clinical care is unknown. The aim of this study was to test the hypothesis that pre-d/c TTE frequently reveals findings associated with short-term clinical course through a systematic review of findings on pre-d/c TTE and clinical events that followed.MethodsClinical outcomes of mortality, hospitalization, catheterization, and surgery at 1 year were examined for pediatric patients undergoing pre-d/c TTE between June 2010 and June 2012. Using logistic regression, a multivariate model was generated associating clinical, pre-d/c transthoracic echocardiographic, and demographic variables with unplanned postdischarge cardiac events (UCEs) within 1 year.ResultsOf 462 patients who underwent pre-d/c TTE, there were 265 male patients (57%) and 197 female patients (43%); the median age was 0.8 years (range, 0-33 years). Two hundred thirty-seven patients (51%) had findings (valve regurgitation, hemodynamic obstruction, ventricular dysfunction, unintended shunt, or pericardial effusion) on pre-d/c TTE, 57 of which were of more than mild severity. Agreement between pre-d/c TTE and postoperative transesophageal echocardiographic findings was only fair to moderate (κ = 0.27-0.43). Sixty-four patients (14%) had UCEs. Univariate analysis revealed that UCE were more frequent in patients with diagnoses and surgical procedures of high complexity. After accounting for these confounding nonechocardiographic variables, pre-d/c transthoracic echocardiographic findings, specifically valve regurgitation of more than mild severity, and ventricular dysfunction and obstructions of any severity were independently associated with UCEs (odds ratios, 1.90, 1.99, and 1.85, respectively).ConclusionsFindings on pre-d/c TTE are frequent, commonly discordant with postoperative transesophageal echocardiographic results, and associated with adverse clinical events after surgery for congenital heart disease. These data would strongly support the practice of pre-d/c TTE after surgery for congenital heart disease.Copyright © 2015 American Society of Echocardiography. Published by Elsevier Inc. All rights reserved.

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