Key result
Transcatheter aortic valve implantation over a 13-year single-center experience demonstrated improved periprocedural outcomes and 1-year cardiovascular mortality as procedure volume increased.
Why the study?
To report a single-centre 13-year TAVI experience focusing on the learning curve, referral indications, and trends in outcomes over time.
Cohort (n=361)
No
Answers are grounded in this paper and cite their sources.
Increased institutional experience and procedure volume in TAVI are associated with improved periprocedural outcomes and 1-year cardiovascular mortality.
BACKGROUND: Transcatheter aortic valve implantation (TAVI) has been adopted as an alternative to surgery in severe aortic stenosis treatment, even in low-intermediate risk. The aim of this study is to retrospectively report our single-centre 13-year TAVI experience with emphasis on learning curve, referral indication and trends in outcomes over time. METHODS: We included 361 consecutive patients who underwent TAVI from January 2008 to December 2020, grouped according to similar per-year volume of procedures: G1 (2008-2014), G2 (2015-2017) and G3 (2018-2020). RESULTS: 5.6%). CONCLUSIONS: Favourable trends were observed across the groups, with an improvement in periprocedural outcomes and cardiovascular mortality at 1-year. These improvements could depend on increased expertise because mortality reduction was noted only after reaching a significant procedure volume. A trend towards lower risk patients selection was present in our cohort, as previously described worldwide.
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Bezzeccheri et al. (2022) conducted a cohort in severe aortic stenosis (n=361). Transcatheter aortic valve implantation (TAVI) vs. Earlier procedure volume groups (2008-2017) was evaluated on Periprocedural outcomes and cardiovascular mortality at 1-year. Transcatheter aortic valve implantation over a 13-year single-center experience demonstrated improved periprocedural outcomes and 1-year cardiovascular mortality as procedure volume increased.
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