Predictive Value of Pre-TAVI Infrahissian Conduction Time in the Occurrence of Complete Atrioventricular Block

"The TAVI procedure is performed transfemorally under local anesthesia most often, or more rarely under general anesthesia via the subclavian or transaortic route. Identification is carried out under fluoroscopy in the cardiac catheterization room. The crossing of the aortic valve allows the establishment of a guide at the bottom of the left ventricle. Aortic valve predilation can be performed. The tightness of the device is checked by an aortography. Sometimes, post-dilation of the implanted bioprosthesis proves necessary, particularly in the event of under-deployment or significant para-prosthetic leakage.~The duration of the intervention is approximately 1 hour."