Gianmarco Iannopollo1, MD; Vittorio Romano1, RT; Nicola Buzzatti1,2, MD; Ole De Backer3, MD; Lars Søndergaard3, MD; Béla Merkely4, MD; Bernard D. Prendergast5, MD; Francesco Giannini6, MD; Antonio Colombo6, MD; Azeem Latib7, MD; Juan F. Granada8, MD; Alaide Chieffo1, MD; Matteo Montorfano1, MD
1. Interventional Cardiology Unit, San Raffaele Scientific Institute, Milan, Italy; 2. Cardiac Surgery Department, San Raffaele Scientific Institute, Milan, Italy; 3. Interventional Cardiology Department, Rigshospitalet,University Hospital, Copenhagen, Denmark; 4. Interventional Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary; 5. Department of Cardiology Department, St Thomas’ Hospital, London, United Kingdom; 6. Interventional Cardiology Unit, GVM Care & Research Maria Cecilia Hospital, Cotignola (RA), Italy; 7. Department of Cardiology, Montefiore Medical Center, New York, NY, USA; 8. Cardiovascular Research Foundation, Columbia University, New York, NY, USA
Transcatheter aortic valve implantation (TAVI) in patients with bicuspid aortic valves (BAV) may be associated with suboptimal procedural and clinical outcomes due to inappropriate prosthesis sizing, anatomical difficulties or technical factors1. The narrowest part of the aortic root in BAV anatomy is evident at the supra-annular (SA) level, across the aortic valve leaflets, instead of the annular virtual basal ring (VBR)2. The main objective of our study was to identify a supra-annular plane in the pre-TAVI cardiac computed tomography (CT) scan that might predict the level of valve prosthesis anchoring in raphe-type BAV patients.