The Learning Curve in Percutaneous Repair of Paravalvular Prosthetic Regurgitation

This study sought to assess the learning curve for percutaneous repair of paravalvular prosthetic regurgitation. Percutaneous repair of prosthetic paravalvular regurgitation is a complex procedure. There is a paucity of data on the professional experience and tools needed to achieve optimal clinical outcomes. We examined the chronological experience of 200 patients (age 66 ± 13 years; 57% men) who underwent percutaneous closure of paravalvular...