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Anomalous origin of one-branch pulmonary artery from aorta (AOPA) is a rare congenital anomaly. Uncorrected, it leads to rapid and frequently irreversible pulmonary hypertension. Association with tetralogy of Fallot is very rare and poses a problem of variable pulmonary vascular resistance. Surgical correction involves closure of ventricular septal defect, relief of right ventricular outflow obstruction,...
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