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

Reference dimensions to determine valve size of stented surgical aortic bioprostheses by computed tomography

DOI: 10.4244/EIJ-D-19-00921

1. Center for Heart Valve Innovation, St Paul's Hospital and University of British Colombia, Vancouver, BC, Canada, Canada
2. Center for Heart Valve Innovation, St Paul’s Hospital and University of British Columbia, Vancouver, BC, Canada
3. Department of Radiology, University of Cambridge, Papworth Hospital, Cambridge, United Kingdom
4. Division of Cardiology, New York-Presbyterian Hospital, Columbia University Medical Center, New York, NY, USA.
5. Centre for Heart Lung Innovation and Department of Radiology, University of British Columbia & St. Paul’s Hospital, Vancouver, BC, Canada
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Aortic valve-in-valve (aVIV) procedures are advancing the management of failed bioprosthetic surgical heart valves (SHV) (1,2). As opposed to transcatheter heart valve (THV) replacement for native aortic stenosis, selection of the transcatheter THV size for aVIV procedures is based on the SHV size and not on anatomical measurements. However, accurate SHV size information may not be available in medical records. While computed tomography (CT) may be used to derive dimensions of the SHV, it does have limitations (see later) (3). The aim of this study was to establish reference data for CT dimensions across commonly used aortic stented SHV types and sizes in order to determine the manufacturer’s labeled size from a CT dataset.

 

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