甲状腺皮管和默认模式网络与低氧性缺血性脑损伤患者的意识水平之间的相关性:使用昏迷恢复量表修订的比较研究
Sung Ho Jang1, Sang Seok Yeo2, Min Jye Cho1
1Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University, Daegu, South Korea.
概括
缺氧缺血性脑损伤 (HI-BI) 患者的意识障碍 (DOC) 与降低的胸皮管 (TCT) 和默认模式网络 (DMN) 完整性有关. 这些大脑网络与意识恢复有很强的相关性,用昏迷恢复量表修订 (CRS-R) 来衡量.
科学领域:
- 神经科学是一个神经科学.
- 放射学 放射学是一门学科.
- 神经学 神经学
背景情况:
- 甲状腺皮层管 (TCT) 对于在甲状腺和大脑皮层之间传递感觉和运动信息至关重要.
- 默认模式网络 (DMN) 涉及相互连接的大脑区域,这些区域对自我参考思想和意识至关重要.
- 缺氧缺血性脑损伤 (HI-BI) 后的意识障碍 (DOC) 是一个重大的临床挑战.
研究的目的:
- 研究TCT和DMN的结构完整性与HI-BI患者的意识水平之间的关系.
- 为了比较DOC患者,DOC患者和健康对照患者之间的TCT和DMN指标.
- 探索神经成像发现和意识的临床评估之间的相关性.
主要方法:
- 追溯研究涉及31名HI-BI患者 (17名DOC,14名非DOC) 和17名健康对照.
- 磁共振成像 (MRI) 和扩散张力成像 (DTI) 用于评估TCT和DMN.
- 量化了TCT和DMN的分数异构 (FA) 值和通道体积 (TV).
- 进行昏迷恢复量表修订 (CRS-R) 评估意识水平.
主要成果:
- 与非DOC患者和对照人群相比,DOC患者的TCT和DMN的FA值和TV显著较低.
- 与对照组相比,非DOC患者也表现出明显较低的TCT和DMNTV.
- 在DOC组中,CRS-R得分与TCT TV,DMN FA和DMN TV有很强的相关性.
结论:
- 在患有HI-BI和意识障碍的患者中,TCT和DMN的结构完整性显著受损.
- 这些白质网络与DOC患者的意识水平密切相关.
- TCT和DMN的DTI指标可以作为评估HI-BI意识的有价值的生物标志物.
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