Systematic Analysis of PTFE Monocusp Leaflet Design in a Patient-Based 3D in-Vitro Model of Tetralogy of Fallot

Pulmonary valve (PV) monocusp reconstruction in transannular patch (TAP) right ventricular outflow tract (RVOT) repair for Tetralogy of Fallot has variable clinical outcomes across different surgical approaches. The ViVitro Pulse Duplicator System (ViVitro Labs Inc., Victoria, BC) was used to simulate infant RVOT physiological pulsatile flow. Balancing pressure gradient, regurgitation, and oversizing for growth, a set of leaflet design parameters have been selected for pre-clinical evaluation.

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