The Official Journal of EuroPCR and the European Association of Percutaneous Coronary Interventions (EAPCI)

EDITORIAL

Measurements matters: the case for 3D MSCT software for aortic annulus quantification

EuroIntervention 2014;10:294-295. DOI: 10.4244/EIJV10I3A50

Department of Interventional Cardiology, McGill University Health Centre, Montreal, Quebec, Canada
Up until 2010, paravalvular aortic regurgitation (pAR) of any severity was diagnosed in 70-90% of patients after transcatheter aortic valve implantation (TAVI) using either a self- or balloon-expanding prosthesis; moderate to severe pAR was observed in 10-30%1. During the last two years, moderate to severe pAR has been documented in 0-12% of patients undergoing TAVI (Figure 1), including those patients implanted with the Medtronic CoreValve (Medtronic, Minneapolis, MN, USA), a valve which has not undergone significant iterations until recently. What can explain the significant reductions in pAR over time?



Figure 1. Rates of significant paravalvular aortic regurgitation (>2+) across various transcatheter ...

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