Interobserver variability of CT angiography for evaluation of aortic annulus dimensions prior to transcatheter aortic valve implantation (TAVI)》.pdf

European Journal of Radiology 83 (2014) 1672–1678 Contents lists available at ScienceDirect European Journal of Radiology journal home page : /locat e/ejrad Interobserver variability of CT angiography for evaluation of aortic annulus dimensions prior to transcatheter aortic valve implantation (TAVI) C. Schmidkonz a,*, M. Marwan a, L. Klinghammer a, M. Mitschke a, A. Schuhbaeck a, M. Arnold a, M. Lell b, S. Achenbach a, T. Pflederer a a Department of Internal Medicine 2 (Cardiology), University of Erlangen, Ulmenweg 18, D-91054 Erlangen, Germany b Radiological Institute, University of Erlangen, Maximiliansplatz 1, D-91054 Erlangen, Germany A R T I C L E I N F O A B S T R A C T Article history: Objective: Assessment of aortic annulus dimensions prior to transcatheter aortic valve implantation Received 4 January 2014 (TAVI) is crucial for accurate prosthesis sizing in order to avoid prosthesis–annulus-mismatch possibly Received in revised form 15 May 2014 resulting in complications like valve dislodgement, paravalvular regurgitation or annulus rupture. Accepted 5 June 2014 Contrast-enhanced multidetector computed tomography allows 3-dimensional assessment of aortic annulus dimensions. Only limited data exist about its interobserver variability. Keywords: Methods: In 100 consecutive patients with symptomatic severe aortic stenosis (51 male, BMI 27 5 kg/ Computed tomography