• Michael A Brock, John-Anthony Coppola, Jana Reid, and Diego Moguillansky.
• Congenital Heart Center, UF Health Shands Children's Hospital, University of Florida, Gainesville, Florida, USA.
• Congenit Heart Dis. 2019 Nov 1; 14 (6): 924-930.

ObjectiveThe primary aim of our work is to determine the incidence of atrial fibrillation following cardiac surgery in adults with congenital heart disease. Secondary aims include identifying risk factors predictive of developing early postoperative atrial fibrillation and morbidities associated with early postoperative atrial fibrillation.DesignRetrospective analysis.SettingSingle center, quaternary care children's hospital.PatientsThis review included patients at least 18 years of age with known congenital heart disease who underwent cardiac surgery requiring a median sternotomy at our congenital heart center from January 1, 2012 to December 31, 2016.InterventionsNone.Outcome MeasuresThe primary outcome was early postoperative atrial fibrillation. Secondary outcomes included preoperative comorbidities, preoperative echocardiographic findings, operative details, and postoperative morbidities, such length of stay, reintubation, stroke, and death.ResultsThe incidence of early postoperative atrial fibrillation was 21%. Those who developed early postoperative atrial fibrillation were older (50 years vs 38 years, P =< .001), had a history of atrial fibrillation prior to surgery, had preoperative pulmonary hypertension, and had longer cardiopulmonary bypass times (103 minutes vs 84 minutes, P = .025) when compared to those who did not develop postoperative atrial fibrillation. Multivariate analysis identified age greater than 60, preoperative pulmonary hypertension, mitral valve intervention, and the need for postoperative inotropic support as being independent predictors of postoperative atrial fibrillation. Those who developed postoperative atrial fibrillation remained in the hospital longer (9 days vs 7 days, P =< .001).ConclusionsAtrial fibrillation is a common complication following cardiac surgery in adults with congenital heart disease. Age, preoperative comorbidities, type of surgical intervention, and the need for perioperative inotropic infusions may predict the risk of atrial fibrillation in this unique patient population.© 2019 Wiley Periodicals, Inc.

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