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JACC:强化抗栓不改善房颤患者预后?

2014-05-09 高晓方 译 医学论坛网

美国一项研究表明,在同时伴有心衰和血管疾病的房颤患者中,于维生素K拮抗剂(VKA)治疗基础上添加抗血小板药物未能降低血栓栓塞或冠脉风险,反而会升高出血风险。论文于4月30日在线发表于《美国心脏病学会杂志》(J Am Coll Cardiol)。此项研究共纳入37464例伴有冠脉疾病或外周动脉疾病等血管疾病的心衰住院患者,平均年龄为74.5岁,女性36.3%。将房颤状况分类为泛发、偶发和无房颤。以抗

美国一项研究表明,在同时伴有心衰和血管疾病的房颤患者中,于维生素K拮抗剂(VKA)治疗基础上添加抗血小板药物未能降低血栓栓塞或冠脉风险,反而会升高出血风险。论文于4月30日在线发表于《美国心脏病学会杂志》(J Am Coll Cardiol)。

此项研究共纳入37464例伴有冠脉疾病或外周动脉疾病等血管疾病的心衰住院患者,平均年龄为74.5岁,女性36.3%。将房颤状况分类为泛发、偶发和无房颤。以抗血栓治疗和房颤为时间依赖变量,利用Cox回归模型对血栓栓塞、心梗和严重出血风险进行评估。平均随访时间为3年。

结果显示,随访期间分别有20.7%和17.2%的患者被分类为泛发和偶发房颤。在泛发房颤患者中,与VKA相比,VKA联合抗血小板药与血栓栓塞或心梗风险降低无相关性(HR 0.91),但与出血风险显著升高相关(HR 1.31)。在无房颤患者中,抗血栓治疗对血栓栓塞或心梗风险无统计学影响,但伴或不伴单药抗血小板治疗的VKA可显著升高出血风险。

原始出处:


Lamberts M1, Lip GY2, Ruwald MH3, Hansen ML3, Ozcan C3, Kristensen SL3, Køber L4, Torp-Pedersen C5, Gislason GH6.Antithrombotic treatment in patients with heart failure and associated atrial fibrillation and vascular disease: A nationwide cohort study.J Am Coll Cardiol. 2014 Apr 16. pii: S0735-1097(14)02048-8. doi: 10.1016/j.jacc.2014.03.039. [Epub ahead of print]

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    2015-02-16 hbwxf
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