Abstract Neonatal truncal valve insufficiency carries high postoperative mortality. Mechanical replacement is challenging, and leaflet-sparing repair alone may be insufficient due to fragile tissue and annular dilatation. We report a successful case using geometry-based root reconstruction guided by body-weight–adjusted reference values. This native-tissue approach restored physiologic root geometry, preserved the valve, and enabled growth potential, demonstrating a feasible strategy for durable neonatal repair.
Ishidou et al. (Tue,) studied this question.
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