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王拥军教授:抓住上帝留给我们的最后一扇窗

2017-01-10 07:31:14   

项目组首先将12种能识别和预测脑血管病复发风险的模型在中国人群中进行了验证,发现ABCD2、ABCD2-I、ESRS、SPI-II等4种模型在中国患者中的预测效能较高,以ABCD2最佳。进而,项目组创新性地基于分子标志物和影像标志物建立了两套非致残性脑血管病复发风险预测与危险分层评估的临床模型。

他们发现,血清sCD40L、hs-CRP、Lp-PLA2水平具有较好的预测复发或进展风险的能力;伴有颅内动脉狭窄的非致残性脑血管病患者短期复发风险是不伴狭窄患者的2.3倍。基于上述研究结果,项目组建立了一整套非致残性脑血管病高危复发风险评估体系,根据不同的标志物组合,可适用于不同级别的医院。

此时,项目组首次提出了「高危非致残性脑血管病」概念,并将其作为一个整体人群进行评价和干预,获得国际认可,同时通过香山科学会议「香山宣言」将这一理念写入国家防控战略建议,提出了中国脑血管病防治的一个中心、两个基本点:

以降低中国脑血管病疾病负担为中心,一级预防重点是管理好血压,二级预防重点是管理好高危非致残性缺血性脑血管病人群。

系列临床研究笑傲脑血管病复发防治「禁区」

怎样有效降低高危非致残性缺血性脑血管病的复发风险?摆在项目组面前的严峻现实是,阿司匹林是当时循证指南推荐的唯一有效的早期抗血小板药物,但单独应用疗效有限,即便早期应用,脑血管病复发率仍高达10-20%。而国际上开展的系列双重抗血小板(「双抗」)临床研究均因出血风险大于获益而失败,「双抗」治疗被国际指南认为是脑血管病复发防治领域的「禁区」。

项目组并未盲从所谓的国际权威。王拥军教授介绍,通过对全球九万多例病例的分析,项目组发现,早期(24小时内)、短程(3周)、NIHSSABCD2评分≥4的TIA患者接受双抗治疗出血风险较低。受这一发现的鼓舞,项目组启动了著名的CHANCE研究,在国际上首次针对高危(ABCD2评分≥4)非致残性脑血管病患者,探索中低剂量配伍的阿司匹林和

氯吡格雷

联合的短程、早期、优化的「双抗」治疗的疗效。

结果证明「双抗」治疗高危非致残性脑血管病优于单用阿司匹林,使其发展为致残、致死性脑血管病的风险相对降低了32%,且不增加出血风险。

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