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Multicenter Study Comparing Shunt Type In The Norwood Procedure For Single-Ventricle Lesions: Three-Dimensional Echocardiographic Analysis., Gerald R. Marx, Girish S. Shirali, Jami C. Levine, Lin T. Guey, James F. Cnota, Jeanne M. Baffa, William L. Border, Steve Colan, Gregory Ensing, Mark K. Friedberg, David J. Goldberg, Salim F. Idriss, J Blaine John, Wyman W. Lai, Minmin Lu, Shaji C. Menon, Richard G. Ohye, David Saudek, Pierre C. Wong, Gail D. Pearson, Pediatric Heart Network Investigators
Multicenter Study Comparing Shunt Type In The Norwood Procedure For Single-Ventricle Lesions: Three-Dimensional Echocardiographic Analysis., Gerald R. Marx, Girish S. Shirali, Jami C. Levine, Lin T. Guey, James F. Cnota, Jeanne M. Baffa, William L. Border, Steve Colan, Gregory Ensing, Mark K. Friedberg, David J. Goldberg, Salim F. Idriss, J Blaine John, Wyman W. Lai, Minmin Lu, Shaji C. Menon, Richard G. Ohye, David Saudek, Pierre C. Wong, Gail D. Pearson, Pediatric Heart Network Investigators
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BACKGROUND: The Pediatric Heart Network's Single Ventricle Reconstruction (SVR) trial randomized infants with single right ventricles (RVs) undergoing a Norwood procedure to a modified Blalock-Taussig or RV-to-pulmonary artery shunt. This report compares RV parameters in the 2 groups using 3-dimensional echocardiography.
METHODS AND RESULTS: Three-dimensional echocardiography studies were obtained at 10 of 15 SVR centers. Of the 549 subjects, 314 underwent 3-dimensional echocardiography studies at 1 to 4 time points (pre-Norwood, post-Norwood, pre-stage II, and 14 months) for a total of 757 3-dimensional echocardiography studies. Of these, 565 (75%) were acceptable for analysis. RV volume, mass, mass:volume ratio, ejection fraction, …