相关实验视频
Updated: Jun 18, 2026
09:41
Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
Published on: July 19, 2019
11.5K
比较年轻和老年发病的多发性硬化症的病理学,临床和人口特征
Sarah Knowles1, Rod Middleton1, Benjamin Cooze2
1UK MS Register, Swansea University Medical School, Swansea University, Swansea, UK.
Annals of neurology
|December 7, 2023
概括
晚年发病的多发性硬化症 (MS) 显示出显著的神经退行导致驾驶残疾,与成人发病的MS所见的炎症性脱髓化不同. 这凸显了对老年多发性硬化症患者量身定制的评估和治疗策略的需要.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 免疫学 免疫学 免疫学
背景情况:
- 多发性硬化症 (MS) 通常在成年时出现,但50岁或更晚开始的晚发性硬化症 (LOMS) 在9.4%的病例中发生.
- 患有多发性硬化症的老年人往往表现出不那么活跃的放射性和临床疾病,但仍然可以经历显著的残疾进展.
研究的目的:
- 调查MS的老年人残疾恶化的潜在驱动因素.
- 为了比较晚发性MS (LOMS) 与成人发性MS (AOMS) 的人口统计,临床和病理特征.
主要方法:
- 利用英国多发性硬化病登记处的数据,将LOMS (发病50岁以上) 与AOMS (发病18-49岁) 进行比较.
- 进行了一项神经病理学研究,对一组晚发性MS患者与AOMS患者进行研究,检查神经元密度和炎症标志物.
主要成果:
- 与AOMS相比,LOMS患者在诊断时具有更高的残疾,更大比例的初级渐进性MS,以及更多与步态相关的初始症状.
- 随着MS发病年龄的增加,lamus和pons中的神经元密度下降.
- 神经元密度,而不是脱髓化或炎症,与老年发病的多发性硬化症患者的残疾结果相关,这些患者也不太可能接受高疗效的修改疾病的治疗.
结论:
- 在老年发病的MS中,渐进性残疾主要与神经退行有关,而不是活性炎症性脱髓化.
- 结果表明LOMS中存在不同的病理机制,需要适应老年人群中MS的临床评估和治疗方法.
相关概念视频
02:20Longitudinal Research
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
01:27Pharmacodynamics in Geriatric Patients: Effects of Age
Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
01:08Prevalence and Incidence
In statistical epidemiology and health sciences, two essential metrics—prevalence and incidence—are fundamental for understanding disease dynamics within a population. These measures enable public health officials, epidemiologists, and researchers to assess the burden of diseases, allocate resources effectively, and design impactful public health policies and interventions.
Prevalence indicates the proportion of individuals in a population who have a specific disease or health condition at a...
Prevalence indicates the proportion of individuals in a population who have a specific disease or health condition at a...
01:19Multiple Sclerosis l: Introduction
Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...