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JAHA:房颤患者口服抗凝剂治疗与痴呆风险

2022-03-19 MedSci原创 MedSci原创

在房颤患者中,与使用华法林或不使用抗凝剂的治疗相比,使用OAC可能会降低痴呆的发生率。

心房颤动(AF)是最常见的心律失常,与卒中风险增加5倍相关,这是痴呆的常见后续原因。然而,越来越多的证据表明AF与痴呆之间存在关联,即使在没有缺血性卒中病史的患者中也是如此。伴有AF的痴呆不限于血管性痴呆,也发生于其他类型的痴呆症,例如阿尔茨海默氏症。

近日,心血管疾病领域权威杂志JAHA上发表了一篇研究文章,研究人员在一大群房颤初级保健患者中比较了口服抗凝剂(OAC)使用者和非使用者之间的痴呆发病率。

研究人员使用澳大利亚范围内的初级保健数据集Medicine Insight进行了一项回顾性研究。研究人员纳入了年龄≥18岁且在2010年1月1日至2017年12月31日期间新诊断为房颤且无痴呆或卒中病史的患者,并随访至2018年12月31日。研究人员采用倾向评分为1:1匹配基线协变量和Cox回归比较OAC用户和非OAC用户的痴呆发病率。研究人员分析了18813例房颤患者(年龄为71.9±12.6岁,47.1%为女性)的数据;11419人在至少80%的随访时间中记录了OAC处方。

在3.7±2.0年的平均随访时间内,425名患者(2.3%;95%CI为2.1%-2.5%)有记录的痴呆诊断。倾向匹配后,与非使用者相比,OAC使用者的痴呆发生率显著降低(风险比[HR]为0.59;95%CI为0.44-0.80;P<0.001)。与非OAC使用者(HR为0.49;95%CI为0.33-0.73;P<0.001)或华法林使用者(HR为0.46;95%CI为0.28-0.74;P<0.001)相比,OAC使用者的痴呆发生率更低(P=0.002)。华法林使用者和非OAC使用者之间没有显著差异(HR为1.08;95%CI为0.70-1.70;P=0.723)。

由此可见,在房颤患者中,与使用华法林或不使用抗凝剂的治疗相比,使用OAC可能会降低痴呆的发生率。

原始出处:

Woldesellassie M. Bezabhe.et al.Oral Anticoagulant Treatment and the Risk of Dementia in Patients With Atrial Fibrillation: A Population‐Based Cohort Study.JAHA.2022.https://www.ahajournals.org/doi/full/10.1161/JAHA.121.023098

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    2022-03-21 zhaohui6731
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    2022-03-19 neuro.Dr

    老年性痴呆,未来还是希望借助神经电生理吧,也许更为有效!

    0

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