Risk of conduction disturbances following different transcatheter aortic valve prostheses: the role of aortic valve calcifications.

Objectives: To assess the impact of prosthesis choice and aortic valve calcifications on the occurrence of conduction disturbances after transcatheter aortic valve implantation (TAVI).

Methods: We retrospectively analyzed the preoperative clinical characteristics, electrocardiograms, contrast-enhanced multidetector computed tomography scans and procedural strategies of patients who underwent TAVI in our center between January 2012 and June 2017. Quantification of calcium volume was performed for each aortic cusp above (aortic valve) and below (left ventricular outflow tract, LVOT) the basal plane.

Balloon Transcatheter Aortic Valve Replacement After Aortic Valve Repair With HAART 300 Device.

The HAART 300 (BioStable Science and Engineering, Austin, TX) is a rigid, elliptical device introduced to facilitate aortic valve repair providing annular stabilization in the setting of aortic regurgitation. Percutaneous strategies have been described for patients with dysfunctional biological prostheses or recurrence insufficiency after mitral ring annuloplasty. This report shows the feasibility of aortic valve-in-ring transcatheter aortic valve replacement (TAVR).

Risk factors for paravalvular leak after transcatheter aortic valve replacement.

Objective: To assess risk factors for paravalvular leak (PVL) after transcatheter aortic valve implantation in a large single-center cohort, including measurement of aortic valve calcification using a reproducible method.

Methods: We retrospectively analyzed preoperative contrast-enhanced multidetector computed tomography scans of patients who underwent transcatheter aortic valve implantation in our center between 2009 and 2016. Calcium volume was calculated for each aortic cusp in the aortic valve, left ventricular outflow tract, and device landing zone.