患有心房动的患者中反复出现的胃肠道出血 治疗左心房尾闭塞的患者
Adham Ramadan1, Mohamed Doma2, Iuri Ferreira Felix3
1Department of Medicine, Boston Medical Center, Boston, Massachusetts, USA.
Pacing and clinical electrophysiology : PACE
|February 21, 2026
概括
左心房尾阻塞 (LAAO) 减少了心房动 (AF) 患者的反复胃肠道 (GI) 出血. 这项研究发现,与单独服用抗凝剂相比,LAAO显著降低了肠道出血风险.
科学领域:
- 心脏病学 心脏病学
- 胃肠病学 胃肠病学
- 医疗器械 医疗器械
背景情况:
- 接受抗凝药的心房动 (AF) 患者面临高胃肠道 (GI) 出血风险.
- 左心房尾阻塞 (LAAO) 是另一种预防中风的方法,但其对反复出现的胃肠道出血的影响尚不清楚.
研究的目的:
- 评估LAAO对FA患者的反复性肠道出血的影响,这些患者有肠道出血史.
主要方法:
- 使用TriNetX数据库进行了回顾性多中心队列研究.
- 1:1倾向性得分匹配 (PSM) 与LAAO和没有LAAO的患者进行了比较.
- 考克斯回归和卡普兰-梅尔分析评估了复发性胃肠道出血风险.
主要成果:
- 在PSM之后,每组分析了9259名患者.
- 在所有随访间隔 (3个月至5年) 中,LAAO与持续较低的胃肠道出血复发几率有关.
- 卡普兰-梅尔分析显示,使用LAAO时,胃肠道出血复发的风险显著降低 (HR 0.80; p < 0.01).
结论:
- 在AF患者中,LAAO显著降低了以往GI出血的复发性GI出血的风险.
- 这种益处在短期和长期随访间隔中都被观察到.
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