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Assessment of Diffusion and Perfusion01:17

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Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
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Advanced Diffusion Imaging in The Hippocampus of Rats with Mild Traumatic Brain Injury
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扩散张力成像和先进的扩散成像在中风后失语恢复中.

Irem Yesiloglu1, Melissa Stockbridge2, Zafer Keser1

  • 1Department of Neurology, Mayo Clinic, Rochester, MN 55902, USA.

Tomography (Ann Arbor, Mich.)
|February 26, 2026
PubMed
概括

先进的扩散成像技术,如CSD,DSI和DKI,与传统的扩散张力成像 (DTI) 相比,为中风后失语 (PSA) 恢复提供了对白质完整性的卓越洞察力. 这些方法有助于个性化康复.

科学领域:

  • 神经成像是一种神经成像.
  • 神经学 神经学
  • 医学物理 医学物理

背景情况:

  • 脑卒中是导致死亡和残疾的主要原因,其经常和严重的后果是失语症.
  • 扩散成像技术评估白质完整性,并为中风后失语症 (PSA) 提供相关措施.

研究的目的:

  • 审查和综合使用扩散张力成像 (DTI) 或高级扩散成像来探索PSA成人的结构连接性的研究.
  • 根据PSA的诊断,预后或治疗应用,对研究进行分类.

主要方法:

  • 在PubMed,CENTRAL,Ovid MEDLINE和Embase进行了全面的文献搜索.
  • 包括和综合了95项研究,这些研究使用DTI或高级扩散模型研究PSA中的结构连接性.

主要成果:

  • 大多数研究 (n=77) 使用了传统的DTI,而较少但越来越多的研究 (n=18) 使用了CSD,DSI和DKI等先进模型.
  • 在59,17和19项研究中分别确定了诊断,预后和治疗应用.
  • 语言路径的扩散衍生标记和保存的全球网络架构与语言性能和恢复相关.

结论:

  • 与传统的DTI相比,先进的扩散成像方法可以更好地描述PSA中的白质结构和临床解剖相关性.
关键词:
中心证券交易中心 (CSD) 是一个值得信赖的中心.在DKI中,你会看到DKI.在 DSI 中,你会发现 DSI 是什么意思.在 DTI 中,DTI 是指DTI.亚法西亚 (aphasia) 是一种失言症.扩散成像技术的成像

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  • 来自语言路径和网络分析的标记物与语言功能和恢复有关.
  • 将扩散成像研究结果转化为针对个性化失言症康复的临床生物标志物需要进一步的研究,强调先进的方法.