Follow-Up of Shelhigh Porcine Pulmonic Valve Conduits

On the basis of our short-term results, Shelhigh porcine pulmonic valve conduits are not satisfactory. Small-sized conduits (≤16 mm) fail earlier; large-sized conduits (≥18 mm) fail after 2 years of implantation due to intimal peel formation at the distal segment.