Mechanisms and prediction of aortic regurgitation after TAVI.

Anna Sonia Petronio, Cristina Giannini, Marco De Carlo

Journal: EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology 2014;8 Suppl Q():Q18-20

PMID: 22995107

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Abstract

It has been demonstrated that moderate to severe paravalvular leak (PVL) after transcatheter aortic valve implantation (TAVI) procedures are related to impaired long-term prognosis. Anatomical and procedural factors influence the frequency and severity of PVL. Anatomical predictors of this complication are: annulus dimensions and shape, calcium distribution, angle between the ascending aorta axis and the left ventricular outflow tract (LVOT-AO). Procedural predictors: prosthesis-size-annulus mismatch, valve depth deployment and the acquired experience of the centre. An effort has to be made to optimise valve sizing and deployment.

Address: Cardiac Thoracic and Vascular Department, University of Pisa, Pisa, Italy. [email protected]

DOI: 10.4244/EIJV8SQA5

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MeSH Terms: Aortic Valve Insufficiency, Aortic Valve Stenosis, Cardiac Catheterization, Heart Valve Prosthesis, Heart Valve Prosthesis Implantation, Humans, Prosthesis Design, Prosthesis Failure, Risk Factors, Severity of Illness Index, Treatment Outcome