J Am Coll Cardiol 2022 04;79(14):1340-1351
Centres for Heart Valve Innovation and for Cardiovascular Innovation, St Paul's and Vancouver General Hospitals, Vancouver, British Columbia, Canada; Division of Cardiology, University of British Columbia and St. Paul's Hospital, Vancouver, British Columbia, Canada; Cardiovascular Translational Laboratory, Centre for Heart Lung Innovation, University of British Columbia and St. Paul's Hospital, Vancouver, British Columbia, Canada. Electronic address:
Background: Transcatheter heart valve (THV) dysfunction with an elevated gradient or paravalvular leak (PVL) may be documented late after THV implantation. Medical management, paravalvular plugs, redo THV replacement, or surgical valve replacement may be considered. However, late balloon dilatation is rarely utilized because of concerns about safety or lack of efficacy. Read More