Neurology:北京天坛医院发现:颅内未破裂小动脉瘤,阿司匹林治疗安全有效

2020-12-31 MedSci原创 MedSci原创

颅内未破裂小动脉瘤(small unruptured intracranial aneurysms, UIAs)的治疗一直是神经外科领域颇具争议的话题。标准的治疗是观察这些病变。小于7mm 的动脉瘤占

颅内未破裂小动脉瘤(small unruptured intracranial aneurysms, UIAs)的治疗一直是神经外科领域颇具争议的话题。标准的治疗是观察这些病变。小于7mm 的动脉瘤占破裂动脉瘤的69.6% ー71.8% 。确定小动脉瘤破裂的是否为高风险是防止致命和致残性颅内出血的关键。目前,用高分辨率 MRI同时检测 UIAs 和缺血性脑血管疾病(ICVD)使用地更加频繁。
 
阿司匹林是 ICVD 患者的标准二级预防药物。研究人员尚未清楚地确定阿司匹林对于 ICVD 患者是否安全。短期(< 3个月)服用阿司匹林会增加动脉瘤破裂的风险。然而,阿司匹林最近被描述为一种潜在的治疗方式,因为它能通过对动脉瘤壁施加抗炎作用来预防动脉瘤破裂。
 
北京天坛医院的Jian-Cong Weng等人,开展了一项多中心前瞻性队列研究,以检验阿司匹林对于未破裂颅内动脉瘤患者的安全性假设。
 
他们的研究队列,于2016年1月至2019年8月连续在4家医院纳入1866例缺血性脑血管病(ICVD)患者,其病变直径均小于7mm。同时,他们记录基线和随访病人信息,包括阿司匹林的使用情况。主要终点为动脉瘤破裂。
该研究的主要结果: 4411.4人年(person-years)后,643例(37.2%)患者连续接受阿司匹林治疗。所有患者中,破裂发生12例(0.7%)。血管破裂发生率(IRR)为0.27 (95% CI 0.15ー0.48)/100人年。非阿司匹林组和阿司匹林组的 IRRs 分别为0.39(95% CI 0.21-0.72)和0.06(95% CI 0.010-0.45)/100人年。在多变量分析中,未控制的高血压和 5-7mm的UIAs 与动脉瘤破裂的高发生率相关,而使用阿司匹林与动脉瘤破裂的低发生率相关。与其他组相比,未服用阿司匹林的高危组(UIAs 5-7mm,并伴有不可控制的高血压) IRRs 较高。
 
该研究的主要意义在于发现:对于同时具有小 UIAs 和 ICVD 的患者, 阿司匹林治疗是一种安全的治疗方法。高危人群中不服用阿司匹林的患者需要加强监测。

Weng, JC, Wang, J., Du, X., Li, H., Jiao, YM, Fu, WL, ... & Cao, Y. (2020). Safety of aspirin use in patients with stroke and small unruptured aneurysms. Neurology

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    2021-10-24 yinhl1978
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    2020-12-31 ms7000000261672610

    阿司匹林还是很重要的

    0

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    2020-12-31 医路前行4231

    学习了

    0