Blood:凝血酶原复合物治疗利伐沙班或阿哌沙班相关大出血是否有效?

2017-11-08 王淳 环球医学

利伐沙班和阿哌沙班是Xa因子直接抑制剂,它们已被许多国家批准用于房颤患者的卒中预防(SPAF)以及静脉血栓栓塞症(VTE)的预防和管理。值得注意的是,出血是使用抗凝剂治疗的严重并发症,2017年10月,发表在《Blood》的一项由瑞典、澳大利亚和加拿大科学家进行的研究,考察了凝血酶原复合物(PCCs)用于利伐沙班或阿哌沙班相关大出血的治疗效果。

利伐沙班和阿哌沙班是Xa因子直接抑制剂,它们已被许多国家批准用于房颤患者的卒中预防(SPAF)以及静脉血栓栓塞症(VTE)的预防管理。值得注意的是,出血是使用抗凝剂治疗的严重并发症,2017年10月,发表在《Blood》的一项由瑞典、澳大利亚和加拿大科学家进行的研究,考察了凝血酶原复合物(PCCs)用于利伐沙班或阿哌沙班相关大出血的治疗效果

在使用PCCs治疗利伐沙班或阿哌沙班导致大出血(MBE)的患者中,有效性和血栓栓塞事件的发生率都存在不确定性。研究人员考察了PCCs治疗因使用利伐沙班或阿哌沙班引起MBE的有效性。2014年1月1日~2016年10月1日间,前瞻性纳入使用PCCs治疗因利伐沙班或阿哌沙班导致MBEs的患者。采用国际血栓和止血协会科学与标准化小组委员会的大出血事件治疗效果评估标准,评估PCCs的有效性。安全结局是PCCs治疗后30日内的血栓栓塞事件和全因死亡率。84名患者接受PCCs用于逆转利伐沙班或阿哌沙班导致的MBE。PCCs给予的中位(四分位间距)剂量是2000 IU(1500-2000 IU)。颅内出血(ICH)是最常见的需要逆转的出血部位(n=59;70.2%),其次是胃肠道出血(n=13;15.5%)。58名(69.1%)患者的PCCs治疗被评估为有效,26名(30.9%)患者被评估为无效。大多数用PCCs止血无效的患者有ICH(n=16,61.5%)。2名患者分别在用PCC治疗后第5日和第10日发生缺血性脑卒中。27名(32%)患者在发生MBE后30日内死亡。在大多数病例中PCCs治疗利伐沙班或阿哌沙班相关的MBEs是有效的,并且与较低的血栓形成风险相关。研究结果由于缺少研究对照组而受限。

原始出处:

Ammar Majeed, Annagren, Margareta Holmstrm, et al. Management of rivaroxaban- or apixaban-associated major bleeding with prothrombin complex concentrates: a cohort study. Blood 2017 130:1706-1712; doi: https://doi.org/10.1182/blood-2017-05-782060.

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    2017-11-10 cmsvly
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    2017-11-09 jennyli5986

    谢谢分享最前沿资讯!

    0

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    2017-11-08 Jackie Li

    学习

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