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About
Tetralogy of Fallot (TOF) is the most common cyanotic congenital heart defect with the vast majority of survivors of corrective surgery left with some degree of right ventricular (RV) volume overload due to pulmonary regurgitation (PR) which cause RV enlargement with right heart failure, diminished biventricular function, ventricular arrhythmia, sudden death and decreased exercise performance over time. Pulmonary valve replacement (PVR) has been thought to ameliorate these complications but the timing of replacement has yet to be determined with equipoise at the moment in this decision making process. As nearly all studies in this regard are retrospective with much less data in pediatric TOF than adults, this pilot trial sets the stage to create a prospective randomized trial in the teenage years.
Full description
The purpose of this research study is to gather information on adolescents and young adults to help understand and improve the lives of patients with TOF.
Some patients diagnosed with TOF will have a procedure called pulmonary valve replacement (PVR) and some will not. PVR is done for valves that are too damaged to be repaired. This requires a surgeon or an expert in a procedure called cardiac catheterization to replace the damaged pulmonary valve with a valve made of tissue or a mechanical valve. Multiple studies in adult TOF patients have suggested that PVR may lessen many clinical symptoms but no one is sure if it truly does. There is little information about PVR in adolescence but it is thought that lessening the amount of leakage of the pulmonary valve at a young age may avoid future complications such as right heart failure or abnormal beats of your heart. There is no agreement among cardiologists, surgeons or other healthcare providers as to whether PVR truly helps avoid complications in the future and if it does, when PVR should be done. Using the information in this study, we hope to find out if PVR in adolescents is helpful in both the short and long term.
The Investigators believe the results of this study will help provide doctors with enough information to support a future large scale research study to further evaluate the outcomes PVR. This study will involve randomization to either the PVR or no PVR cohort, medical records review, exercise test and Cardiac Magnetic Resonance (CMR) , and questionnaires.
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1 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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