J Neurosurg:尿激酶对治疗脑出血可能有特殊作用

2016-07-17 MedSci MedSci原创

西南医院神经外科团队经过多年科研终于证实,尿激酶在治疗脑出血中具有特殊作用。此项科研成果已在国际权威期刊《神经外科杂志》上刊载。目前,在微创治疗脑出血手术中,最常用的纤溶药物是组织纤溶酶原激活物(tPA),它可使脑内淤血形成的“血块”很快消融,以便医生将其尽快清除干净。但它价格较昂贵,不仅给患者带来较大经济压力,并有研究证明tPA可能引起迟发脑水肿以及神经损伤。尿激酶项目研究负责人、973计划首席

西南医院神经外科团队经过多年科研终于证实,尿激酶在治疗脑出血中具有特殊作用。此项科研成果已在国际权威期刊《神经外科杂志》上刊载。

目前,在微创治疗脑出血手术中,最常用的纤溶药物是组织纤溶酶原激活物(tPA),它可使脑内淤血形成的“血块”很快消融,以便医生将其尽快清除干净。但它价格较昂贵,不仅给患者带来较大经济压力,并有研究证明tPA可能引起迟发脑水肿以及神经损伤。

尿激酶项目研究负责人、973计划首席科学家冯华及其团队在一次学术交流和查阅资料中偶然发现,有个别小型医院和临床研究中心有过在微创手术联合纤溶清除脑出血中使用尿激酶的记录,但是缺少相关数据支撑。据冯华介绍,尿激酶纤溶酶原激活物(uPA)作为一种常用药物,国内已经使用多年,主要用于血栓栓塞性疾病的溶栓治疗,包括急性广泛性肺栓塞、心肌梗死等,但没有作为主要纤溶药物在微创手术中应用。

课题组意识到,尿激酶可能会更好地围绕如何在微创手术中减小脑内血肿体积,保护脑神经组织。根据这一思路,冯华及其团队进行了两年多的具体研究。

“在研究中,我们采用经典的‘脑内自体血注射法’模拟人体脑出血,分别将uPA和tPA作为微创手术纤溶药物来清除脑内血肿。”冯华说,结果显示uPA和tPA注射均有效地减小了脑内血肿体积,但uPA更好地减轻了血肿周围脑水肿,且保护了血脑屏障紧密连接蛋白和脑内神经功能,进而提升手术成功率。

冯华说,他们的课题组下一步将进行大动物试验模型和开展临床试验研究,以进一步验证uPA在脑出血救治中该成果的安全性、有效性,该发现有望为神经外科专家治疗脑出血等疾病提供新的思路和方法。

原始出处:

Tan Q, Chen Q, Niu Y, Feng Z, Li L, Tao Y, Tang J, Yang L, Guo J, Feng H, Zhu G, Chen Z. Urokinase, a promising candidate for fibrinolytic therapy for intracerebral hemorrhage. J Neurosurg. 2016 Apr 22:1-10


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    2016-08-05 玥月

    经常使用于脑室外引流术后脑室内血肿引流,便宜,效果不错。

    0

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    2016-07-19 lsndxfj
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    2016-07-19 redcrab
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    2016-07-18 qq03f03582

    尿激酶是人体新鲜尿液提取的哪种吗?

    0

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    2016-07-18 医路开来

    尿激酶对脑出血有这种疗效,很新的学术

    0

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