Introduction
Due to the nature of this publication, informed consent was not needed.
Common arterial trunk (TAC) is a rare complex congenital heart defect with an incidence of 6-10/100,000 live births 1. Children born with TAC require surgery at a very young age. Operative outcome in neonates is good and it is recommended to perform surgical correction before heart failure, or any organ insufficiency develops2, 3. One of the most common challenges that may arise when performing surgery on these patients is the repair of an abnormal and severely regurgitant truncal valve (TV), which occurs in about 25% of patients with TAC 4. There have been reports of TV having two to six leaflets 5, 6. Among the abnormal TV, the quadricuspid truncal valve is the most common one5. If the valve is severely regurgitant repair cannot be avoided when performing surgical correction. Tricuspidalization of the valve is a reproducible and safe alternative when treating this condition with good outcomes 7, 8. Here we explain step-by-step, a simple way to perform this procedure.