January 12, 2016Open Access

Calcium distribution patterns of the aortic valve as a risk factor for the need of permanent pacemaker implantation after transcatheter aortic valve implantation

Structured PICO

Do pre-existing RBBB and elevated LCC calcification predict the need for permanent pacemaker implantation after TAVI?

Population

Patients undergoing transcatheter aortic valve implantation (TAVI)

Intervention

Assessment of aortic valve calcium distribution patterns (specifically left coronary cusp calcification) and pre-existing right bundle branch block (RBBB)

Outcome

Need for permanent pacemaker implantation (PPI)safety

Pre-existing right bundle branch block and elevated left coronary cusp calcification can help stratify patients by their risk for requiring a permanent pacemaker after TAVI.

Abstract

Pre-existing RBBB and elevated LCC calcification were identified as independent predictors for PPI. These two risk factors enabled us to distinguish between patients according to their risk for PPI after TAVI. Ex vivo simulations suggested an off-centreline shift of the balloon as a possible explanation.

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