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Meta-Analysis
. 2022 Aug;111(8):843-858.
doi: 10.1007/s00392-022-01997-1. Epub 2022 Mar 17.

A systematic review and meta-analysis of the cerebrovascular event incidence after transcatheter aortic valve implantation

Max M Meertens  1   2 , Sascha Macherey  1 , Sebastiaan Asselberghs  3   2 , Samuel Lee  1 , Jan Hendrik Schipper  1 , Barend Mees  3   2 , Ingo Eitel  4   5 , Stephan Baldus  1 , Christian Frerker #  4   5 , Tobias Schmidt #  6   7
Affiliations
Meta-Analysis

A systematic review and meta-analysis of the cerebrovascular event incidence after transcatheter aortic valve implantation

Max M Meertens et al. Clin Res Cardiol. 2022 Aug.

Erratum in

Abstract

Objective: Periinterventional stroke is one of the most feared potential complication, among patients treated with transcatheter aortic valve implantation (TAVI). The purpose of this review was to investigate the incidence of cerebrovascular events and the influence of postinterventional neurologic check-up in patients undergoing TAVI.

Methods: A systematic review and meta-analysis were conducted according to the PRISMA guideline. Three separate electronic searches of the public domains Medline and Clinicaltrials.gov were performed to identify the 30-day incidence of stroke within randomized controlled trials (RCTs) and registries for patients undergoing a TAVI procedure. A meta-analysis was conducted to evaluate the 30-day incidence of stroke within RCTs. Furthermore, we pooled the RCTs in which a scheduled neurological check-up was conducted or not to investigate the effect of this intervention.

Results: Twenty-three studies including 399,491 TAVI patients were included, 6370 from RCTs, 833 from cerebral-embolic protection device RCTs and 392,288 were adopted from registries. The mean 30-day incidence of stroke among all reviewed studies was 2.33%. In RCTs evaluating TAVI the pooled stroke incidence was 3.86%, among RCTs focused CEP the incidence was 6.36% and in registries the incidence was 2.29%. Ten RCTs conducted scheduled neurological check-ups, the incidence in these was 4.03% and among the remaining RCTs it was 2.47%. In the meta-analysis, the pooled 30-day stroke incidence was 3.61% (95% CI 2.57-4.79%).

Conclusion: This systematic review demonstrates that the stroke incidences following TAVI differ strongly according to the study design and neurological follow-up. Intense neurological testing increases the incidence of a stroke after TAVI.

Keywords: Aortic stenosis; Cerebral protection device; Stroke; Transcatheter aortic valve implantation; Transcatheter aortic valve replacement.

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