纵向定量MRI为ALS的早期和晚期肌肉变化提供了响应性结果测量
Frank Diaz1,2, John S Thornton3, Stephen S Wastling3
1Board of Governors Regenerative Medicine Institute, Cedars-Siniai Medical Center, Los Angeles, California, USA.
Muscle & nerve
|November 29, 2024
概括
定量肌肉核磁共振显示在跟踪肌缩侧面硬化症 (ALS) 进展方面具有很高的响应性,为临床试验提供了一种新的结果测量方法. 这些MRI技术比传统方法更早地检测肌肉组成和结构的变化.
科学领域:
- 神经学 神经学
- 放射学 放射学是一门学科.
- 生物医学工程 生物医学工程
背景情况:
- 肌肉磁共振成像 (MRI) 显示出对监测肌缩侧面硬化症 (ALS) 进展的前景.
- 在ALS试验中,定量肌肉MRI的响应性和临床实用性尚未得到充分证实.
研究的目的:
- 评估定量肌肉MRI测量的响应性,以评估ALS患者的疾病进展.
- 为了比较MRI衍生指标的灵敏度与ALS临床试验中已建立的临床评估.
主要方法:
- 在12个月内对ALS参与者进行了纵向定量肌肉MRI (脂肪分数,T2,CSA,RMA).
- 非MRI测量包括肌肉强度 (ATLIS) 和ALSFRS-R尺度.
- 计算了标准化响应手段 (SRM),以评估措施的响应性.
主要成果:
- 肌肉脂肪分数,CSA和RMA的显著变化已经在1个月后被检测出来.
- 肌肉脂肪分数和T2在6个月后显示出高响应性,表现优于ALSFRS-R.
- 核磁共振成像测量显示,与肌肉强度和ALSFRS-R腿部分数有不同的相关性.
结论:
- 定量肌肉MRI显示出高响应性和低可变性,使其成为ALS临床试验的有价值的结果衡量标准.
- 肌肉MRI作为一种新的和补充工具,用于跟踪ALS的疾病进展.
更多相关视频
相关概念视频
02:20Longitudinal Research
11.7K
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...
11.7K
01:26Longitudinal Studies
706
Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
706