AI Article Synopsis
- Percutaneous left atrial appendage closure is aimed at patients with atrial fibrillation who are at high risk for blood clots and bleeding, and this study evaluates its effectiveness and safety in a French medical center from 2014 to 2020.
- The study involved 207 patients, achieving a successful closure rate of 97.6%, while noting a decline in procedural complications over the years and a significant reduction in both thromboembolic and bleeding events during follow-up.
- The findings highlight the procedure's benefits and the importance of collaborative medical expertise to ensure successful outcomes in this high-risk patient population.*
Article Abstract
Background: Percutaneous left atrial appendage closure may be considered in selected patients with atrial fibrillation at significant risk of both thromboembolism and haemorrhage.
Aims: To report the experience of a tertiary French centre in percutaneous left atrial appendage closure and to discuss the outcomes compared with previously published series.
Methods: This was a retrospective observational cohort study of all patients referred for percutaneous left atrial appendage closure between 2014 and 2020. Patient characteristics, procedural management and outcomes were reported, and the incidence of thromboembolic and bleeding events during follow-up were compared with historical incidence rates.
Results: Overall, 207 patients had left atrial appendage closure (mean age 75.3±8.6 years; 68% men; CHADS-VASc score 4.8±1.5 ; HAS-BLED score 3.3±1.1), with a 97.6% (n=202) success rate. Twenty (9.7%) patients had at least one significant periprocedural complication, including six (2.9%) tamponades and three (1.4%) thromboembolisms. Periprocedural complication rates decreased from earlier to more recent periods (from 13% before 2018 to 5.9% after; P=0.07). During a mean follow-up of 23.1±20.2 months, 11 thromboembolic events were observed (2.8% per patient-year), a 72% risk reduction compared with the estimated theoretical annual risk. Conversely, 21 (10%) patients experienced bleeding during follow-up, with almost half of the events occurring during the first 3 months. After the first 3 months, the risk of major bleeding was 4.0% per patient-year, a 31% risk reduction compared with the expected estimated risk.
Conclusion: This real-world evaluation emphasizes the feasibility and benefit of left atrial appendage closure, but also illustrates the need for multidisciplinary expertise to initiate and develop this activity.
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| http://dx.doi.org/10.1016/j.acvd.2022.12.007 | DOI Listing |
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