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Purpose : constriction or banding of the pulmonary artery tocreate pulmonalry artery stenosis is a palliative procedure designed to limit pulmonary blood flow in congenital cardiac malformation with unrestricted shunt flow from the systemic to pulmonary circuit.
Increased pressure-load with the procedure results in ventricular hypertrophy in right ventricle. We studied effects of the pulmonary artery constriction on the right ventricle... |