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Stroke:女性缺血性卒中联用尿酸治疗效果更佳

2015-07-13 MedSci MedSci原创

 由于高耗氧导致的氧化损伤对于缺血性脑损伤有很大的危害。尿酸是嘌呤代谢的最终产物,是一种潜在的抗氧化物。尿酸的作用包括了清楚羟基自由基、过氧化氢和过氧硝酸盐等。目前,治疗急性缺血性卒中使用抗氧化药物和血栓溶解药物组合的处方,但是男女对这一处方是否有着相同的响应尚未明确。因此,研究人员分析了使用阿替普酶治疗急性缺血性卒中的患者对于尿酸疗法的响应的性别差异。在一项联用尿酸的临床试验中,206

由于高耗氧导致的氧化损伤对于缺血性脑损伤有很大的危害。尿酸是嘌呤代谢的最终产物,是一种潜在的抗氧化物。尿酸的作用包括了清楚羟基自由基、过氧化氢和过氧硝酸盐等。目前,治疗急性缺血性卒中使用抗氧化药物和血栓溶解药物组合的处方,但是男女对这一处方是否有着相同的响应尚未明确。因此,研究人员分析了使用阿替普酶治疗急性缺血性卒中的患者对于尿酸疗法的响应的性别差异。在一项联用尿酸的临床试验中,206名女性受试者和205名男性受试者被随机分组,使用1000mg尿酸或者安慰剂。在对这项临床试验进行再次分析,主要的结果是90天时优秀的结果比例。

使用尿酸进行治疗的111名女性中47人(42%)是优秀的结果,安慰剂组95人中28人为优秀的结果。男性中,两组的优秀结果的比例分别为36%和34%。治疗和性别显著地与优秀结果有着相互作用。因此,女性使用尿酸疗法可以获得相对于安慰剂的两倍的疗效。但是,这一疗法对于男性来讲,并没有这种效果。此外,治疗和血清尿酸水平之间的相互作用对于栓塞生长也只在女性受试者中较为显著。

此次研究发现患有急性缺血性卒中的女性使用阿替普酶进行治疗,并且联用尿酸可以减少栓塞的生长,并且相对于安慰剂组,可以获得更好的治疗效果。这对于临床治疗急性缺血性栓塞有着重要的指导意义。

原始出处:

Laura Llull et al. Uric Acid Therapy Improves Clinical Outcome in Women With Acute Ischemic Stroke. Stroke. 2015;46 DOI: 10.1161/STROKEAHA.115.009960

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    2015-07-13 保守主义

    有意思

    0

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    2015-07-13 保守主义

    有启发

    0

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