Lancet Neurol:急性缺血性卒中可早期应用阿替普酶治疗

2016-06-18 MedSci MedSci原创

背景:随机试验表明,急性缺血性卒中患者4.5h内应用阿替普酶,可增加良好预后的的可能。然而,阿替普酶也增加脑出血的风险;研究者旨在确定不同类型患者,应用阿替普酶对脑出血,死亡率和功能损害风险的比例和绝对的影响。方法:研究者使用卒中溶栓试验(STT)中,阿替普酶与安慰剂或空白对照的随机试验的荟萃分析中,获取急性缺血性脑卒中患者的数据。研究这将脑出血预先分为三类:7天内2型脑实质出血;24-36 h出

背景:随机试验表明,急性缺血性卒中患者4.5h内应用阿替普酶,可增加良好预后的的可能。然而,阿替普酶也增加脑出血的风险;研究者旨在确定不同类型患者,应用阿替普酶对脑出血,死亡率和功能损害风险的比例和绝对的影响。

方法:研究者使用卒中溶栓试验(STT)中,阿替普酶与安慰剂或空白对照的随机试验的荟萃分析中,获取急性缺血性脑卒中患者的数据。研究这将脑出血预先分为三类:7天内2型脑实质出血;24-36 h出血在(SITS-MOST)(2型脑实质出血, NIHSS 评分恶化4分);7天致死性脑出血。研究者用logistic回归分析,通过试验分层,对阿替普酶治疗,延迟治疗,年龄剂卒中严重程度,构建脑出血概率的对数模型。研究者做了探索性的分析,评估脑出血后死亡率,并且检测脑出血的绝对风险。

结果:共纳入9个静脉注射阿替普酶VS 对照组的试验,6756名受试者。阿替普酶可增加2型脑实质出血(231 [6.8% ] /3391例阿替普酶vs 44 (1 .3%)/ 3365例对照组; OR 5.55 [ 95% CI 4.01-7.70 ];绝对增加5.5% [ 4.6-6.4 ]);SITS-MOST出血(124 [3.7% ]/ 3391 vs 19 [0.6% ]/3365;OR 6.67 [ 4.11-10.84 ];绝对增加3.1% [ 2.4-3.8 ])和致死性脑出血(91 [ 2.7% ] /3391 vs 13 [0.4% ]/3365;OR 7.14 [ 3.98-12.79 ];绝对增加2.3% [ 1.7-2.9 ])的几率。无论如何定义,不管是否延迟治疗,年龄及基线卒中的严重程度,脑出血的比例增加是相似的,但随着卒中严重程度的增加,颅内出血的绝对风险增加:对于SITS-MOST脑出血,NIHSS评分0-4到22或更高,绝对风险范围从1.5%(0.8-2.6%)到3.7%(2.1-6.3%)。在4.5h内处理的患者,获得良好预后(mRS:0或1)的比率增加(6.8% [ 4.0%到9.5% ]),超过致死性脑出血绝对风险的增加(2.2% [ 1.5%到3.0% ])和任何90天内死亡风险的增加(0.9% [ 1.4%到3.2% ])。

解释:给予阿替普酶患者中,净预后是开始治疗的时间(治疗越快,良好预后的比例增加)和卒中的严重程度(卒中越严重,脑出血的绝对风险增加)来预测的。4.5小时内阿替普酶治疗获得良好预后的概率超过死亡的风险,早期治疗对重症脑卒中患者尤其重要。

原始出处:

Whiteley WN, Emberson J, et al. Risk of intracerebral haemorrhage with alteplase after acute ischaemic stroke: a secondary analysis of an individual patient data meta-analysis. Lancet Neurol. 2016 Jun 8.

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    2016-10-19 howi
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    2017-04-21 yinhl1978
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    2016-10-12 ylzr123

    学习了,好文值得点赞!

    0

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背景:吸烟与患者溶栓治疗结果之间的关系尚不确定。结果可能由不同的卒中亚型影响。本研究旨在探讨吸烟是否影响接受静脉溶栓治疗的不同亚型患者的预后。方法:所有患者症状开始4.5h内进行静脉溶栓,这些患者来自于中国TIMS研究数据库。抽烟者为卒中前至少1根烟/天,持续6个月以上。根据Org急性卒中治疗试验的标准将缺血性卒中亚型分类。结果测量包括静脉溶栓后7天内症状性颅内出血,死亡率和90天功能独立性。采用

Stroke:缺血性脑卒中,静脉溶栓联合血栓切除优于单独静脉溶栓治疗

背景:缺血性脑卒中患者的随机试验表明,与药物治疗相比(包括静脉溶栓),应用新一代的取栓装置的血管内治疗有更好的功能预后。然而,在常规临床实践中患者的死亡率及预后的普遍性尚不清楚。方法:在一项前瞻性观察性研究中,研究对象为进行静脉溶栓、取栓或联合治疗的缺血性脑卒中患者。主要预后是3个月改良Rankin量表评分(0 [无症状] -6 [死亡]分)在。采用有序逻辑回归法估计治疗效果(位移分析)的一般OR

Eur Heart J:预测缺血性卒中发生的风险:ATRIA评分优于CHADS2和CHA2DS2-VASc

目的:心房颤动(AF)患者中,对是否应用抗凝药物治疗进行优化,以更好地进行脑卒中风险预测。两大加利福尼亚社区AF队列开发并验证了ATRIA卒中风险评分(ATRIA)的开发和验证。研究者应用比较瑞典国家AF(SAF)队列比较ATRIA, CHADS2和CHA2DS2-VASc评分。方法:研究者检查了所有瑞典住院治疗或医院门诊的患者,这些患者在2005年7月到2010年12月诊断为AF。从综合的国家数

PLoS One:臭氧浓度升高与卒中发生增加相关

背景:日益升高的臭氧浓度已破坏人类健康和生态系统。尽管臭氧呈现昼夜变异,多数研究报告当天或后一天缺血性脑卒中的发生,仅白天臭氧浓度相关。研究者调查了臭氧的昼夜变化对缺血性卒中发生的影响。方法:研究者在韩国汉城的一家三级医院,招募2008年1月1日到2014年12月31日的1734例患者。研究者评估每个时间段和平均参数(7年的研究中获得),卒中发生时温度和污染物的差异。结果:相比于其他时间段,13: