在获得的肝脑退化和肝移植后的变化中微量元素失衡
Henrique Nascimento1, Maria João Malaquias1, Catarina Mendes Pinto2
1Neurology Service, Centro Hospitalar Universitário de Santo António, 4099-001 Porto, Portugal.
Biology
|June 28, 2023
概括
获得性肝脑退化 (AHD) 涉及微量元素失衡,特别是. 肝移植改善了神经症状,改变了微量元素水平,这表明它们在AHD中的作用.
科学领域:
- 生物化学 生物化学
- 神经学 神经学
- 肝病学 肝病学是一种肝病学.
背景情况:
- 大脑积累是获得性肝脑退化 (AHD) 的特征.
- 其他微量元素在AHD病理生理学的参与需要进一步调查.
研究的目的:
- 在肝移植 (LT) 之前和之后评估AHD患者的血中微量元素水平.
- 为了比较AHD患者和健康对照之间的微量元素概况.
主要方法:
- 诱导合等离子体质谱法 (ICP-MS) 用于量化微量元素.
- 分析了51名AHD患者和51名健康对照者的血液样本.
- 微量元素水平测量在AHD患者前和后LT.
主要成果:
- 症患者呈现高 (Mn), (Li), (B), (Ni), (As), (Sr), (Mo), (Cd), (Sb), (Tl) 和 (Pb) 的水平,以及更高的铜/ (Cu/Se) 比率.
- 症患者的 (Se) 和红 (Rb) 水平下降.
- 在LT后,患者经历了神经症状改善, (Zn),Se和Sr水平增加,Cu/Zn和Cu/Se比率降低.
结论:
- AHD与多个微量元素的显著失衡有关.
- 肝移植可以改善神经症状,并调节AHD患者的微量元素概况.
- 微量元素的改变可能会导致AHD的发展和症状.
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...
Hepatic Encephalopathy
DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...


