在成功的心房移除之后,停止口服抗凝药
Tomoya Iwawaki1, Satoshi Yanagisawa1,2, Yasuya Inden1
1Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
JAMA network open
|March 21, 2025
概括
停止使用口服抗凝剂 (OACs) 治疗心房动 (AF) 的导管切除 (CA) 后,会增加血栓栓塞事件,但降低出血. 患者的特征可能会使这些风险和益处分层.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 抗凝疗法是一种抗凝疗法.
背景情况:
- 关于停止使用口服抗凝剂 (OACs) 治疗心房动 (AF) 的导管切除 (CA) 后,缺乏共识.
- 在OAC停止后评估结果对于指导临床实践至关重要.
研究的目的:
- 评估AF患者在CA后停止OAC治疗后的血栓栓塞事件,严重出血和死亡率.
- 为了确定患者的特征,影响CA和OAC管理成功后的预后.
主要方法:
- 对1821名接受首次CA.患者的回顾性队列研究.
- 根据在CA后12个月的OAC继续或停止分组患者.
- 治疗权重的逆概率 (IPTW) 和倾向性得分匹配用于分析.
主要成果:
- 停止OAC与更高的血栓栓塞率 (IR 0.86对0.37每100人年) 和较低的重大出血 (IR 0.10对0.65每100人年) 有关.
- 停止治疗后,在没有症状的AF,LVEF<60%或LA直径≥45mm的患者中,注意到血栓栓塞的风险增加.
- 在停止OACs的HAS-BLED得分≥2的患者中观察到降低了出血风险.
结论:
- 在AF患者成功CA后停止OAC与血栓栓塞事件增加和出血减少有关.
- 停止OAC治疗的净益处因患者个体特征而有所不同.
- 需要进一步的前性研究来证实这些发现并完善管理策略.
相关概念视频
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants
1.1K
Oral anticoagulants are vital tools in preventing and treating blood clotting disorders. This diverse class of medications can be categorized as vitamin K antagonists, exemplified by warfarin, and direct thrombin inhibitors (DTIs), such as dabigatran, as well as factor Xa inhibitors, including rivaroxaban.
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
1.1K
Anticoagulant Drugs: Low-Molecular-Weight Heparins
585
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
585


