Glucocorticoid Treatment in Transaortic Valve Replacement to Reduce the Incidence of Conduction Disturbances (GLUCO-TAVR).

The intervention group will recieve 7 mg/kg/day (or a maximum of 500 mg/day) of intravenous Methylprednisolone an hour before TAVR followed by 15 mg / 12h of Prednisone during 5 days after the intervention (starting 24h after the administration of Methylprednisolone).

Saline solution