Abstract

Isolated anomalous origin of the right coronary artery from the main pulmonary artery (ARCAPA) is a rare congenital anomaly, and few cases have been reported in the pediatric age group. Patients with ARCAPA are usually asymptomatic, although there are some case reports of sudden death, cardiomyopathy, angina, and syncope. We herein report the case of a 2-month-old male infant who experienced severe heart failure after an episode of upper respiratory tract infection. The echocardiogram revealed a poor left ventricular ejection fraction. The left main coronary artery was mildly dilated and the orifice of the right coronary artery could not be traced at the aortic root. The confirmed diagnosis of ARCAPA was made using angiography and surgical results. The patient underwent a successful surgery, and his heart function recovered completely.

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