在中风患者中,时间和严重的低输液与出血转化风险之间的关联
Umberto Pensato1,2,3, Nathaniel Rex4, Nima Kashani5
1IRCCS Humanitas Research Hospital, Milan, Italy.
概括
时间和严重的低输液独立地增加了缺血性中风患者的出血转变风险. 它们对帕伦基马性血液瘤的综合作用在统计学上并不显著,这表明它们对"漏洞核心"的单独影响.
科学领域:
- 神经学 神经学
- 放射学 放射学是一门学科.
- 脑卒中医学 脑卒中医学
背景情况:
- perfusion 成像显示严重低 perfused 脑组织中出血转化 (HT) 的风险更高.
- 临床前研究表明,低输液的程度和持续时间都会影响缺血损伤.
- 输血转变 (HT) 是缺血性中风后的一个显著并发症.
研究的目的:
- 调查时间和严重的低 perfusion 在缺血性中风中对帕伦基马血瘤 (PH) 发展的独立和联合影响.
- 在接受血栓切除术的患者中确定PH的预测因子.
主要方法:
- 来自ESCAPE-NA1试验的数据分析,包括用血栓切除术治疗的大血管封闭症患者和可用的CT输液.
- 严重的低输血被定义为相对脑血流 (rCBF) <20%至少1毫升体积.
- 后勤回归模型用于评估开始到成像时间和严重低流与24小时PH的关联,包括相互作用术语.
主要成果:
- 开始到成像时间 (OR 1.04每15分钟增加) 和严重的低输液 (OR 2.87) 独立地与PH相关.
- 在PH风险方面,在时间和严重的低输液之间没有发现具有统计意义的相互作用.
- 严重的低输液显示出高负预测值 (98%),但PH的阳性预测值较低 (39.4%),因时间而异.
结论:
- 影像成像时间的延长和严重的低输液都是出血转变的重要独立风险因素.
- 时间和严重的低输液对HT风险的影响似乎是附加的,而不是协同的.
- 通过这些因素识别"漏芯"可能有助于预测缺血性中风中的PH风险.
关键词:
通过CT perfusion进行CT perfusion,使得人体内产生更多的光线.帕伦基马性血液瘤 (Parenchymal Hematoma) 是一种大脑的血液流动.缺血性核心 缺血性核心缺血性中风 中风有漏洞的核心.转流介导的伤害是通过转流介导的.更多相关视频
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