对深灰色物质易感性和与肝硬化患者认知相关性的定量评估
Wenjun Wu1,2, Yu Su1, Ziji Qin3
1Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Brain and behavior
|January 8, 2025
概括
定量敏感性映射 (QSM) 显示,肝硬化患者的深灰质 (DGM) 金属积累发生变化,与认知缺陷相关. 这些DGM易感性变化可能表明认知障碍.
科学领域:
- 神经成像是一种神经成像.
- 医学物理 医学物理
- 肝病学 肝病学是一种肝病学.
背景情况:
- 深灰质 (DGM) 中的金属积累及其在肝硬化中的认知影响仍未得到充分研究.
- 定量敏感度映射 (QSM) 为量化金属沉积提供了一种新的方法.
研究的目的:
- 通过使用QSM,调查DGM易感性与肝硬化患者的认知功能之间的关联.
- 探索QSM作为肝硬化中认知障碍的潜在生物标志物.
主要方法:
- 30名肝硬化患者和30名对照患者接受了3TMRI,用于对DGM结构进行QSM分析.
- 进行了神经心理测试,包括NCT-A,DST和MoCA.
- 统计分析比较了敏感度值,并将其与认知得分相关联.
主要成果:
- 肝硬化患者在尾状核 (CN),乳头核 (TH) 和红核 (RN) 中表现出明显较低的敏感性.
- 在肝硬化患者中观察到认知缺陷,NCT-A持续时间长,DST和MoCA得分下降.
- DGM易感度值,特别是RN,CN和黑色物质 (SN),与特定的认知领域相关联.
结论:
- 通过QSM测量的改变DGM易感性与肝硬化中的认知障碍有关.
- 来自QSM的DGM易感性可以作为肝硬化患者认知缺陷的定量指标.
更多相关视频
相关概念视频
Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow
Chronic liver disease significantly impacts drug metabolism due to alterations in hepatic blood flow and enzyme accessibility. This disruption affects the body's pharmacokinetics—the movement and processing of drugs within the system. Key enzymes crucial for metabolizing medications become less accessible, changing how drugs are processed and utilized. Furthermore, liver disease influences the synthesis of plasma proteins, such as albumin and globulins, which play critical roles in drug binding...
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test
In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess the...
Assessment of the Cardiovascular System I: Subjective Data
A thorough health history and physical assessment are essential for identifying cardiovascular disease (CVD) symptoms and distinguishing them from other health issues.
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...


