Echocardiographic Predictors of Left Ventricular Outflow Tract Obstruction following Repair of Atrioventricular Septal Defect.

Background: Left ventricular outflow tract obstruction (LVOTO) is a common complication following surgical repair of atrioventricular septal defect (AVSD).

Objective: We sought to determine predictors of LVOTO based on echocardiograms performed prior to initial repair of AVSD.

Methods: Of the 415 children that had repair of AVSD from 2003 to 2012, 17 children were identified with LVOTO that required surgical intervention.

Early surgical morbidity and mortality in adults with congenital heart disease: the University of Michigan experience.

Objectives: To review early surgical outcomes in a contemporary series of adults with congenital heart disease (CHD) undergoing cardiac operations at the University of Michigan, and to investigate possible preoperative and intraoperative risk factors for morbidity and mortality.

Methods: A retrospective medical record review was performed for all patients > or =18 years of age who underwent open heart operations by a pediatric cardiothoracic surgeon at the University of Michigan Congenital Heart Center between January 1, 1998 and December 31, 2004. Records from a cohort of pediatric patients ages 1-17 years were matched to a subset of the adult patients by surgical procedure and date of operation.