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 limitations3. The aim of this study was to establish reference data for CT dimensions across commonly used aortic stented SHV types and ...
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