Stroke:不明原因卒中或短暂性脑缺血发作患者卵圆孔未闭封堵和药物治疗比较!

2018-01-16 xing.T MedSci原创

由此可见,不明原因卒中/TIA合并PFO患者中接受PFO封闭治疗,与接受药物治疗的患者相比,缺血性卒中复发发生频率较低。房颤发生更频繁,但大多是短暂的。TIA、全因死亡或心肌梗塞没有显著差异。

以前的系统评价和荟萃分析比较了原因不明的卒中或短暂性脑缺血发作(TIA)患者卵圆孔未闭(PFO)封堵与药物治疗的疗效和安全性。最近,卒中领域权威杂志Stroke上发表了一篇研究文章,提供了来自于随机试验的新证据。

研究人员对PubMed进行了检索,时间截止至2017年9月24日,研究人员纳入了比较原因不明的卒中/TIA患者采用PFO封堵与药物治疗疗效的试验或研究,采用的检索词包括:脑卒中、脑血管意外、TIA和卵圆孔未闭、反复栓塞,以及试验或研究。

在851篇确定的文献中,有5篇符合条件。在3627例平均随访3.7年的患者中,缺血性卒中复发率存在显著差异(分别为0.53和1.1/100患者每年,比值比为0.43,95%可信区间(CI)为0.90;相对风险降低了50.5%;绝对风险降低了2.11%;预防1次事件需要治疗的数量在3.7年为46.5次)。TIAs(分别为0.78和0.98/100患者每年,比值比为0.80,95%CI为0.53-1.19)、全因死亡率(分别为0.18和0.23/100患者每年,比值比为0.73; 95%CI为0.34-1.56)无显著差异。PFO闭合组新发房颤发生率更高(分别为1.3和0.25/100患者每年,比值比为5.15,95%CI为2.18-12.15)、45天内72%的病例痊愈 (分别为0.12和0.09/100患者每年;比值比为1.22; 95%CI为0.25-5.91)和任何严重不良事件(分别为7.3和7.3/100患者每年,比值比为1.07,95%CI为0.92-1.25)相似。

由此可见,不明原因卒中/TIA合并PFO患者中接受PFO封闭治疗,与接受药物治疗的患者相比,缺血性卒中复发发生频率较低。房颤发生更频繁,但大多是短暂的。TIA、全因死亡或心肌梗塞没有显著差异。

原始出处:


George Ntaios, et al.Closure of Patent Foramen Ovale Versus Medical Therapy in Patients With Cryptogenic Stroke or Transient Ischemic Attack
Updated Systematic Review and Meta-Analysis
.Stroke. 2018.https://doi.org/10.1161/STROKEAHA.117.020030

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既往研究表明隐源性卒中与卵圆孔未闭(PFO)相关,对此有多种假说,如深静脉血栓的反常栓塞及“房颤样”左心房功能异常等。 然而,最近一些研究表明PFO封堵术后缺血性卒中风险并未显著降低,PFO在卒中发病中“罪”或“非罪”需进一步探讨。另外,目前尚缺乏亚洲人群隐源性卒中与心脏右向左分流(RLS,其中大部分为PFO)的相关性研究。 为此,北京协和医院徐蔚海教授等人进行了来自中国人群的

J Stroke Cerebrovasc Dis:抽烟与年轻人发生隐源性脑卒中相关

目的:隐源性脑卒中是最常见年轻患者缺血性卒中类型。研究者旨在评估传统心血管危险因素和隐性卒中之间的相关性。方法:实验组为在卒中单元进行治疗的首发隐源性卒中的18到54岁患者,对照组为同一地区的一般人群。对照组人群按照年龄和性别与患者配对。研究者进一步评估显著危险因素和隐源性卒中患者的非结构性(狭窄<50%)动脉斑块和血栓的关系。结果:在这项研究中共有隐源性卒中患者155名(66.4%男性,平

N Engl J Med:合并PFO的隐源性卒中:PFO封堵术+抗血小板治疗vs抗血小板治疗

2017年9月,发表在《N Engl J Med》的一项调查了合并卵圆孔未闭(PFO)的隐源性卒中患者中,PFO封堵术联合抗血小板治疗与抗血小板单独治疗相比对卒中再发和新发脑梗风险的影响。