Rationale: Double-outlet left ventricle (DOLV) is a rare congenital cardiac malformation in which both great arteries arise entirely or predominantly from the left ventricle. An extracardiac conduit is the first surgical option for repairing DOLV, specifically because its placement of the extracardiac conduit can be customized to accommodate all possible anatomical variations. The bovine jugular veins and homograft valves are often used as conduits. There have been no reports on the use of handmade trileaflet-valved conduits for correcting DORV.
Patient concerns: A 1-year old male was admitted for significant heart murmur and cyanosis, according to the results of transthoracic echocardiography, computed tomography angiography, and cardioangiography, and was diagnosed with DOLV and pulmonary stenosis.
Diagnosis and interventions: The patient underwent biventricular repair with a handmade trileaflet-valved extracardiac conduit. The postoperative course was uneventful.
Outcome: Three months after the surgery, TTF indicated mild right ventricular outflow obstruction and pulmonary valve regurgitation.
Lessons: Correction of the left ventricular double outlet with a handmade trileaflet-valved conduit has been shown to have excellent performance, and long-term outcomes should be followed over time.
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