Reactivity of brain tissue oxygen to change in cerebral perfusion ...
Index of tissue oxygen reactivity ORx was evaluated as the correlation coefficient between PbtO2 and CPP over a period of 60 min and compared to the index of pressure reactivity PRx. …
Revisiting the oxygen reactivity index in traumatic brain injury: the ...
2025年1月12日 · The oxygen reactivity index (ORx) reflects the correlation between focal brain tissue oxygen (pbtO2) and the cerebral perfusion pressure (CPP). Previous, small cohort …
The Role of Brain Tissue Oxygenation Monitoring in the …
The oxygen reactivity index (ORx) is expressed as the moving correlation coefficient between cerebral perfusion pressure (CPP) and PbtO 2, calculated every 30 s; a high ORx indicates …
监测脑血管压力自动调节功能 - 脑医汇 - 神外资讯 - 神介资讯
脑血管压力自动调节（cerebrovascular pressure autoregulation，CAR）功能，通过改变血管阻力，保护大脑免受脑灌注压（cerebral perfusion pressure，CPP）变化的影响，确保稳定的脑 …
Changes in Cerebral Partial Oxygen Pressure and Cerebrovascular ...
To further investigate this phenomenon, we analyzed partial pressure of cerebral oxygen (pbtO2) and a moving correlation coefficient between ICP and mean arterial blood pressure (ABP), …
监测急性脑损伤患者的脑氧合 - 健康界
2022年7月9日 · ABI患者最常用的脑血氧监测方法包括颈静脉血氧饱和度（SjvO2）监测、近红外光谱（NIRS）和脑组织氧分压（PbtO2）。 这些工具基于不同的原理和技术，在侵入性、准 …
Effects of brain tissue oxygen (PbtO2) guided management on …
Monitoring and optimisation of brain tissue oxygen tension (PbtO 2) has been associated with improved neurological outcome and survival in observational studies of severe traumatic brain …
[重型颅脑损伤患者脑组织氧代谢监测的临床研究进展]氧代谢监测
2019年6月27日 · 颈静脉血氧饱和度监测技术是用可持续监测血液血氧饱和度的光纤探头，通过外科穿刺置管技术经颈内静脉逆行放置到第1～2颈椎水平 (颈静脉球部)，对经脑组织代谢后回流 …
Brain tissue oxygen monitoring in traumatic brain injury: part I—To ...
2023年8月31日 · PbtO2 below 20 mmHg was relatively frequent and often occurred in the absence of disturbances in ICP, PRx, CPP, and ∆CPPopt. There were significant, but weak …
脑损伤患者的脑氧输送和消耗 - MedSci
2023年4月3日 · 脑组织氧张力 (pbto2 )至关重要，它是继 icp 之后的第二个监测变量，代表了 tbi 患者的多模态监测。 继发性缺氧与 CSF 中细胞因子的持续产生以及髓鞘碱性蛋白 (MBP) 和 …
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