Neurology:脑微出血(CMBs)是否与溶栓后症状性颅内出血(ICH)风险增加相关?

2015-09-29 徐媛 MedSci原创

本项系统回顾和荟萃分析旨在评估急性缺血性卒中治疗前头部MRI扫描存在脑微出血(CMBs)是否与溶栓后症状性颅内出血(ICH)风险增加相关。研究人员通过PubMed对相关研究进行检索,使用Mantel-Haenszel fixed-effects方法评估治疗前MRI扫描伴或不伴脑微出血人群中症状性ICH的比值(ORs)。为了将潜在偏倚减少到最小,将对静脉溶栓治疗患者进行敏感性分析。在这项系统回顾和荟

本项系统回顾和荟萃分析旨在评估急性缺血性卒中治疗前头部MRI扫描存在脑微出血(CMBs)是否与溶栓后症状性颅内出血(ICH)风险增加相关。

研究人员通过PubMed对相关研究进行检索,使用Mantel-Haenszel fixed-effects方法评估治疗前MRI扫描伴或不伴脑微出血人群中症状性ICH的比值(ORs)。为了将潜在偏倚减少到最小,将对静脉溶栓治疗患者进行敏感性分析。

在这项系统回顾和荟萃分析中,研究人员收纳了十个合格,其中包括2028名患者。CMBs的总患病率为23.3%。与在1556名无CMBs患者中出现61名症状性ICH(3.9%; 95% CI: 3%–5%)患者相比,在427名CMBs患者中,在溶栓后有40名患者出现了症状性ICH(8.5%; 95%  CI: 6.1%-11.4%)。在所有研究ICH的研究中总体OR是2.26%(95% CI: 1.46–3.49; p < 0.0001)。8项研究中包括1704例患者(n=401伴CMBs患者),只接受了静脉溶栓治疗患者存在CMs与出现症状性ICH的OR值为2.87(95% CI: 1.76–4.69; p < 0.0001)。

以上研究结果显示伴CMBs的急性缺血性卒中患者溶栓后症状性ICH风险增加,然而,并不能完全排除偏倚或混杂因素。基于目前的证据,检测出CMBs不应阻止溶栓治疗。应考虑到CMB的数量和位置以及功能预后评估,进行进一步分析。

原始出处

Charidimou A1, Shoamanesh A1, Wilson D1, Gang Q1, Fox Z1, Jäger HR1, Benavente OR1, Werring DJ2.Cerebral microbleeds and postthrombolysis intracerebral hemorrhage risk: Updated meta-analysis.Neurology. 2015 Aug 21. 

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    2015-11-22 yinhl1978
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    2015-10-01 diushouji
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