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Stroke:入院前进行口服抗凝治疗的房颤卒中患者预后更好

2013-12-02 医者仁心1993 dxy

研究要点:1、全国性,大规模,以人群为基础的研究2、研究使用倾向得分匹配分析来比较患者卒中的严重程度和死亡率。3、患者入院前接受口服抗凝药物治疗能减少重度卒中事件的发生和30天死亡率。一些临床试验已经证明了口服抗凝药物治疗对于预防心源性卒中并发房颤的效果,但是对于入院前患者就进行口服抗凝药物治疗的作用对于患者的预后却知之甚少。目前只有极少数观察性的研究去评估入院前患者进行口服抗凝药物治疗对于患者预

研究要点:


1、全国性,大规模,以人群为基础的研究

2、研究使用倾向得分匹配分析来比较患者卒中的严重程度和死亡率。

3、患者入院前接受口服抗凝药物治疗能减少重度卒中事件的发生和30天死亡率。

一些临床试验已经证明了口服抗凝药物治疗对于预防心源性卒中并发房颤的效果,但是对于入院前患者就进行口服抗凝药物治疗的作用对于患者的预后却知之甚少。目前只有极少数观察性的研究去评估入院前患者进行口服抗凝药物治疗对于患者预后的影响,结果显示都能重度卒中很少发生,死亡率降低以及功能水平提高。【原文下载】

然而,这些研究由于这些规模小,非全国性,未以人群为基础,做出这样的结论还为时过早,针对这种情况,且现有的一项小的研究具有局限性,并未包含出血性脑卒中患者。针对这种情况,来自丹麦奥胡斯大学医院临床流行病学的Søren Paaske Johnsen博士等人进行了一项研究,该研究的目的是对于卒中并发房颤患者入院前接受口服抗凝药物治疗更能改善患者预后提高充分的证据,该研究结果在线发表于2013年11月26日的Stroke杂志上,研究结果表明患者入院前接受口服抗凝药物治疗能减少重度卒中事件的发生和30天死亡率。

对于发生急性卒中并发房颤的患者,入院前进行口服抗凝药物治疗(OAT),能减少重度卒中的发生率以及改善患者临床预后。于是进行了一项大规模全国性的随访研究,数据来源于以人群为基础的医疗注册中心,以评估发生急性卒中并发房颤的患者入院前进行口服抗凝药物治疗对于卒中预后的影响。

在2003年至2009年间,我们确定了11356名急性卒中并发房颤入院患者(包括缺血性卒中和脑出血)。研究中2175名患者入院前接受口服抗凝药物治疗,另2175名患者作为对照组入院前不接受口服抗凝药物治疗,研究使用倾向得分匹配分析来比较患者卒中的严重程度(斯堪的纳维亚脑卒中量表)和死亡率。

研究结果表明当发生卒中时,有2492名(21.9%)患者接受口服抗凝药物治疗。入院前进行口服抗凝药物治疗能降低重度卒中(入院时斯堪的纳维亚脑卒中量表<30分;倾向得分匹配分析优势比为0.74)和30天死亡率(倾向得分匹配分析校正优势比为0.83).
研究结论为只有少数卒中并发房颤的住院患者在发生卒中时接受口服抗凝药物治疗。在倾向得分匹配分析研究中,患者入院前接受口服抗凝药物治疗能减少重度卒中事件的发生和30天死亡率。

研究背景

心房颤动(房颤)是最常见的心律失常,尤其是老年病人,房颤患者与非房颤患者比较,脑卒中发生率增加5倍,病死率增加2倍,缺血性脑卒中是病死率增加的主要原因,而房颤是发生缺血性脑卒中的独立危险因素。

目前对于入院前就给予口服抗凝治疗的研究较少,规模也小,但均表明更能改善急性卒中并发房颤患者的预后,但是这些研究证据不充分,有待全国性,大规模,以人群为基础的进一步确定。

原文出处:


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