在床边确定大脑自身调节:叙述审查
Jeffrey R Vitt1, Spyridoula Tsetsou2, Laura Galarza3,4
1Department of Neurological Surgery and Neurology, UC Davis Medical Center, Sacramento, CA.
Critical care medicine
|August 19, 2025
概括
在重症监护中的大脑自调节 (CAR) 监测有助于个性化血液动力学管理. 像跨皮多普勒和近红外光谱等技术有助于检测受损的CAR并指导治疗以获得更好的患者结果.
科学领域:
- 关键护理医学 关键护理医学
- 神经临界护理是指神经临界护理.
- 身体生理学 身体生理学
背景情况:
- 大脑自调节 (CAR) 对于维持稳定的大脑血流至关重要,尽管系统血压波动.
- 损坏的CAR在危急疾病中普遍存在,包括急性脑损伤和全身性疾病,可能导致二次脑损伤和不良结果.
- 有效的CAR监测对于优化重症患者的血液动力学管理至关重要.
研究的目的:
- 审查当前关于临床大脑自我调节监测技术在重症监护的证据.
- 突出这些监测方法的优点,局限性和实际应用.
- 为患有急性脑损伤和全身疾病的患者提供临床决策信息.
主要方法:
- 通过使用Ovid MEDLINE,PubMed和Cochrane Library进行了全面的文献搜索.
- 关键词包括"大脑自我调节"",体多普勒","近红外光谱学"和"内压力".
- 包括的研究包括原始研究,评论,评论和临床CAR监测临重病患者的指南.
主要成果:
- 确定了三个主要的床边CAR监测技术:横多普勒 (TCD),近红外光谱 (NIRS) 和内压力 (ICP) 监测.
- TCD评估流速以应对血压变化;NIRS测量区域大脑氧化;ICP监测分析压力反应指数.
- 在严重疾病中,CAR损伤很常见,这些方法可以检测损伤,指导 perfusion 目标,并支持个性化管理.
结论:
- 床边CAR监测为个性化重症监护中的血液动力学管理提供了一个有希望的策略.
- 目前的证据支持其在预测和指导管理决策中的实用性.
- 需要进一步的研究来标准化方法和验证CAR引导的疗法,多式联络方法可能会增强患者的护理.
相关概念视频
Neural Regulation of Blood Pressure
The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
Autoregulation of Blood Flow
Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation.


