Prosthetic valve mismatches common in transcatheter valve replacement, ups risk of death

(University of Pennsylvania School of Medicine) In the largest multi-institutional study to date, led by researchers from Penn Medicine, the team found that among patients who underwent a transcatheter aortic valve replacement, a high number experienced severe and moderate cases of prosthesis-patient mismatch. The team also found that the risk of death and of heart failure readmissions were higher.