JAMA:替萘普酶剂量对血管内血栓切除术前再灌注的影响

2020-04-08 MedSci原创 MedSci原创

研究认为,对于大血管闭塞性缺血性卒中患者,在血管内血栓切除术前接受0.40 mg/kg或0.25 mg/kg的替萘普酶对脑缺血部位再灌注无明显影响,高剂量的替萘普酶治疗无优势

与阿替普酶相比,替奈普酶静脉溶栓能改善缺血性卒中血管内血栓切除术前的再灌注。近日研究人员考察了对于大血管闭塞性缺血性卒中患者, 0.40 mg/kg或0.25 mg/kg替萘普酶对血管内血栓切除术前再灌注安全性的影响。
 
300名症状出现后4.5小时以内,因颅内颈内动脉、基底动脉或大脑中动脉阻塞而发生缺血性卒中的成年患者参与研究,在血管内血栓切除术前,给予0.40 mg/kg(最大剂量40 mg;n=150)或0.25 mg/kg(最大剂量25 mg;n=150)的替萘普酶治疗。研究的主要结果是血栓切除术前50%以上的缺血区再灌注,次要终点包括残疾水平(改良Rankin量表[mRS]评分;范围,0-6,其中mRS评分为0-1为无残疾)、3天内神经系统改善、36小时内有症状的颅内出血及全因死亡。
 
患者平均年龄72.7岁,41名(47%)女性。在0.40 mg/kg组,150名受试者中有29名(19.3%)的血管区域再灌注率大于50%,而在0.25 mg/kg组150名受试者中有29名(19.3%)的血管区域再灌注率大于50%(未经调整的风险差为0.0%;经调整的风险比为1.03)。所有次要结果中,仅全因死亡(26[17%]vs22[15%];未调整的风险差异,2.7%)和症状性颅内出血(7[4.7%]vs2[1.3%];未调整的风险差异,3.3%)略有差异,但不显著。
 
研究认为,对于大血管闭塞性缺血性卒中患者,在血管内血栓切除术前接受0.40 mg/kg或0.25 mg/kg的替萘普酶对脑缺血部位再灌注无明显影响,高剂量的替萘普酶治疗无优势。
 
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    2020-04-08 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

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