A child diagnosed with transposition of great arteries, multiple (Swiss cheese) ventricular septal defects, and a small right ventricle underwent pulmonary artery banding and patent ductus arteriosus ligation at the age of six months. At the age of three years bidirectional cavopulmonary shunt was performed as a first stage for univentricular repair. However, the patient was lost follow-up for four years, following which further evaluation showed that the right ventricle was reasonably adequate to support pulmonary circulation if the ventricular septal defects (VSDs) were closed using percutaneous techniques. Four VSDs were then closed using Amplatzer devices (AGA Medical Corporation, Plymouth, MN, USA). At the age of eight years she underwent complex biventricular repair in the form of arterial switch, closure of atrial septal defect, take down of Glenn shunt, and reanastomosis of the distal end of the superior vena cava to the distal superior vena cava stump on the right atrium. One year later the patient is alive and well. In conclusion; biventricular repair may be considered before completion of Fontan whenever cardiac anatomy allows.
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http://dx.doi.org/10.1111/j.1540-8191.2008.00616.x | DOI Listing |
JACC Asia
December 2024
National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore.
Background: Right ventricular restrictive physiology (RVRP) is a common occurrence in repaired tetralogy of Fallot (rTOF). The relationship of RVRP with biventricular blood flow components and kinetic energy (KE) from 4-dimensional (4D) flow cardiovascular magnetic resonance (CMR) is unclear.
Objectives: The purpose of this study was to investigate the association of 4D flow CMR parameters with RVRP in rTOF patients.
JACC Adv
January 2025
Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts, USA.
Background: The Fontan operation is associated with chronic venous hypertension, liver and renal disease, and several other sequelae. The alterative surgical approach, when feasible, a biventricular conversion (BiV), may diminish some of these long-term risks.
Objectives: The aim of this study was to compare long-term outcomes of patients undergoing BiV with those undergoing a destination Fontan operation.
World J Pediatr Congenit Heart Surg
January 2025
Division of Cardiac Surgery, University of Toronto, Toronto, ON, Canada.
The presentation of pulmonary vasculature in pulmonary atresia with ventricular septal defect and major aortopulmonary collateral arteries (PA/VSD/MAPCA) is highly variable-as is the number, size and position of the MAPCAs and their relationship with the native pulmonary artery system. The priority in the management of this disease should be attaining timely and complete unifocalization, as opposed to single-stage full repair in every case. The merit of early unifocalization is that it secures the pulmonary vascular bed by (a) avoiding loss of lung segments from progressive stenosis/atresia of MAPCA origins, (b) preventing lung injury from high pressure/flow in areas fed by large, unobstructed MAPCAs, and (c) restoring central continuity of the pulmonary vasculature.
View Article and Find Full Text PDFCan J Cardiol
January 2025
Research Center, Montreal Heart Institute, Department of Medicine, Université de Montréal, Montreal, Canada; Adult Congenital Heart Centre, Montreal Heart Institute, Université de Montréal, Montreal, Canada. Electronic address:
In congenital heart diseases (CHD) of moderate to great complexity involving the right ventricle (RV), the morphologic RV can be exposed to significant stressors across the lifespan either in a biventricular circulation in a sub-pulmonary or sub-aortic position, or as part of a univentricular circulation. These include pressure and/or volume overload, hypoxia, ischemia, and periprocedural surgical stress leading to remodeling, maladaptation, dilation hypertrophy and dysfunction. This review examines the macroscopic remodeling of the RV in various forms of CHD and explores remodeling trajectories, along with the effects of surgeries and residual lesion repair, in tetralogy of Fallot, Ebstein anomaly, congenitally corrected transposition of the great arteries, transposition of the great arteries with atrial switch surgery, and single ventricle palliated by Fontan.
View Article and Find Full Text PDFAnn Thorac Surg Short Rep
December 2024
Division of Cardiothoracic Surgery, Department of Surgery, Duke University Hospital, Durham, North Carolina.
Background: This study sought to determine the safety of primary and staged biventricular repair in neonates with interrupted aortic arch (IAA), ventricular septal defect (VSD), and severe left ventricular outflow tract obstruction (LVOTO).
Methods: Patients with a fundamental diagnosis of IAA and VSD between 2015 and 2020 were extracted from The Society of Thoracic Surgeons National Database by using a Participant User File. The objective was to compare outcomes for neonates undergoing primary and staged Yasui and Ross operations.
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