Anterior annular and left ventricular outflow tract enlargement for redo truncal valve replacement for truncus arteriosus.

Discussion Although surgical outcomes for TA have improved over the years, there has been an increasing trend in late interventions on the truncal valve, with some cases ultimately requiring truncal valve replacement. 5 As patients grow, patient-prosthesis mismatch or structural valve deterioration may necessitate retruncal valve replacement, during which annular enlargement is sometimes required to accommodate a larger prosthesis.

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