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在前72小时内学生异常的频率提高了创伤性脑损伤的IMPACT得分

Divya Veerapaneni, Naveen Arunachalam Sakthiyendran, So Yeon Kim

medRxiv : the preprint server for health sciences

|December 9, 2024

概括

瞳孔异常在创伤性脑损伤 (TBI) 中很常见,并且随着严重程度的增加而增加. 在72小时内频繁出现瞳孔异常会预测更糟糕的结果,并增强TBI预后模型.

科学领域:

神经科学是一个神经科学.
关键护理医学关键护理医学
神经学神经学

背景情况:

基线瞳孔评估是创伤性脑损伤 (TBI) 护理的标准.
在TBI后的最初几天中,瞳孔异常的频率和发病率尚未得到充分记录.

研究的目的:

研究入院后72小时内瞳孔异常的频率与TBI患者的临床结果之间的关联.
为了确定瞳孔异常频率是否能提高IMPACT TBI预后模型的预测准确度.

主要方法:

追溯性观察性研究,对131名入院于单个ICU的TBI患者进行了观察.
定量瞳孔测量 (神经学瞳孔指数 - NPi) 在72小时内至少测量了三次.
学生异常被定义为NPI,NPI不对称或学生大小不对称;使用多变量逻辑回归和适合性测试.

主要成果:

在62% (轻度TBI),61% (中度TBI) 和88% (严重TBI) 的患者中观察到瞳孔异常.
每1%的瞳孔异常频率增加都与1.03的不良排放几率比率有关.
当纳入瞳孔异常频率 (p=0.02) 时,IMPACT TBI模型的预测性能得到了改善.

结论:

在TBI患者中,瞳孔异常很常见,特别是在严重的病例中.
在72小时内增加瞳孔异常的频率与不良的出院结果有关.
瞳孔指标提供预测价值,并提高现有的TBI预测模型的准确性.

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相关概念视频

Traumatic Brain Injury l: Introduction

Traumatic Brain Injury l: Introduction

DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...