不良的肌肉构成是慢性病的早期特征,与功能不良和并发症有关
Ainhoa Indurain1,2, Markus Karlsson3, Anders Fernström1,2
1Department of Nephrology and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.
Kidney medicine
|January 8, 2026
概括
不良的肌肉组成 (AMC) 在慢性病 (CKD) 中很常见,并且与健康状况不佳有关. 在CKD患者中对AMC的MRI评估揭示了与并发症,功能减弱和冠心病风险更高的关联.
科学领域:
- 科和肌肉骨健康
- 医学成像和诊断 医学成像和诊断
- 心血管疾病研究研究
背景情况:
- 标志着肌肉损失的萨尔科佩尼亚是慢性病 (CKD) 的重要关注点,有助于增加发病率和死亡率.
- 目前对CKD中肉类的定义和评估缺乏标准化,这阻碍了研究和临床实践.
研究的目的:
- 评估使用磁共振成像 (MRI) 来评估CKD患者不良肌肉组成 (AMC) 的可行性.
- 研究MRI定义的AMC与慢性脑血管疾病患者的并发症,功能表现和冠心病 (CHD) 风险之间的关联.
主要方法:
- 一项涉及血液透析 (HD) 队列和英国生物库CKD队列的横截面和前性研究,与匹配的对照.
- 用MRI来评估AMC,AMC是由低肌肉体积和高脂肪透来定义的. 计算了肌肉体积z-score,并将其与脂肪透数据结合起来.
- 统计分析包括斯皮尔曼相关性,考克斯比例危险模型和线性/逻辑回归模型来检查关联.
主要成果:
- 在45%的HD队列和32%的英国生物库CKD队列中,AMC的流行率明显高于对照 (25%).
- 慢性结核病患者的AMC与更高的并发症指数,更差的功能表现 (握手力,步行节奏) 和心脏病发病率增加2倍有关.
- 这些关联仍然很重要,即使考虑到MRI评估前几年收集的数据.
结论:
- 通过MRI评估的不良肌肉组成 (AMC) 是患有CKD的个体中普遍存在的表型.
- AMC与更高的并发症负担,功能能力受损以及患冠状动脉心脏病的风险增加有关.
- 基于MRI的AMC评估为识别高风险CKD患者提供了一个有希望的工具.
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