• Ailixiati Alifu, Haifan Wang, Yuntian Su, and Renwei Chen.
• Department of Cardiothoracic Surgery, Hainan Women and Children's Medical Center, Haikou, Hainan Province, China.
• Medicine (Baltimore). 2022 Nov 25; 101 (47): e32070e32070.

RationaleDouble-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 ConcernsA 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 InterventionsThe patient underwent biventricular repair with a handmade trileaflet-valved extracardiac conduit. The postoperative course was uneventful.OutcomeThree months after the surgery, TTF indicated mild right ventricular outflow obstruction and pulmonary valve regurgitation.LessonsCorrection 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.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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