Transcatheter Aortic Valve Implantation in Patients at Extremely High Risk of Perioperative Mortality.

BACKGROUND AND AIM OF THE STUDY: Transcatheter procedures are considered the therapy of choice for high-risk patients who are not eligible for surgical aortic valve replacement. Although its utility is debated, the logistic EuroSCORE I is still the most frequently used risk calculator for cardiac surgery in Europe, and was used in the present study to identify patients with an extremely high risk of predicted perioperative mortality. METHODS: …