Treffer: Cerebral embolic protection devices in transcatheter aortic valve implantation: a systematic review and meta-analysis of randomized controlled trials.
Original Publication: London : Future Drugs Ltd.
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Background: This meta-analysis aimed to assess the efficacy and safety of cerebral embolic protection devices (CEPDs) in patients undergoing transcatheter aortic valve implantation (TAVI).
Methods: PubMed, Cochrane Central, and ScienceDirect were searched till April 2025. Risk ratios (RRs) with 95% confidence intervals (CIs) were pooled under a random-effects model using Review Manager. The Cochrane risk of bias (RoB 2.0) tool was used for quality assessment. Funnel plots were assessed for publication bias.
Results: Eight randomized controlled trials, including 11,632 patients undergoing TAVI, were analyzed. Use of CEPDs showed a non-significant reduction in all strokes (RR 0.92, 95% CI: 0.74-1.15, p = 0.48) and disabling stroke (RR 0.80, 95% CI: 0.57-1.12, p = 0.18). There was no significant difference in all-cause mortality (RR 1.09, 95% CI: 0.71-1.67, p = 0.70), acute kidney injury (AKI) (RR 0.96, 95% CI: 0.44-2.11, p = 0.93), disabling bleeding (RR 0.96, 95% CI: 0.28-3.31; p = 0.94) and major vascular complications (RR 1.25, 95% CI: 0.56-2.78, p = 0.59).
Conclusion: CEPD did not significantly reduce the incidence of ischemic lesions or neurocognitive decline. Current evidence does not support a statistically significant clinical benefit of CEPD use during TAVI. While trends suggest a potential reduction in stroke, larger trials are needed to establish the significance of these results.