Abstract
Transcatheter aortic-valve implantation (TAVI) is an established treatment option in patients with severe symptomatic aortic stenosis. Intermediate and long-term follow up data of these patients is limited. Data was taken from a large all-comer single center prospective registry (2008 to 2019). The primary end point was all-cause mortality. The secondary endpoints were long-term valve hemodynamic performance; paravalvular leak (PVL) at 5-year follow-up. We also report on temporal trends in this cohort. Our cohort included 998 patients with a mean age of 82.3 ± 7.2 years and 52.2% females. TAVI was performed via the transfemoral, trans-apical, subclavian and other access routes in 93.9%, 3.6%, 2.5%, and 0.6% of patients, respectively. A self-expandable device was used in 69.4% of cases, balloon expandable device in 28.1% and in 2.5% other devices. The cumulative risk for all-cause mortality at 5 years was 43.4% (95% CI 39.1 to 47.7). The immediate and long-term valve gradients were low and maintained. On durability analysis at 5 years, severe structural valve deterioration was present in 1.6% of cases. At 5-year follow-up, PVL was moderate in 3.3% and no patients has severe PVL. On temporal trends analysis, we found that the pro...Continue Reading
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