Right pulmonary artery banding was performed in a patient with right hemitruncus at 17 days of age, due to severe hypertension in both pulmonary arteries and severely reduced right ventricular contraction. Following the procedure, the pulmonary hypertension and right ventricular contraction gradually improved with pulmonary vasodilator administration, and total correction was achieved two months later. A cardiac catheter examination at the 1-year follow-up showed normal pressure in both pulmonary arteries and good right ventricular contraction.
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