公共卫生 公共卫生
Aaron N Smith1, Debra K Sullivan1, Trent J Herda2
1University of Kansas Medical Center, Kansas City, KS, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
肌酸单酸 (CrM) 补充剂可能会增加阿尔茨海默病 (AD) 的老年人腿部肌肉的大小. 这项试点研究发现,在CrM治疗8周后,肌肉截面面积 (mCSA) 略有增加,这表明了对抗AD肌肉损失的潜在策略.
科学领域:
- 老年学是指老年学的学科.
- 神经学 神经学
- 运动医学 运动医学
背景情况:
- 阿尔茨海默病 (AD) 与骨肌肉质量减少有关,损害身体功能,并可能加速疾病的进展.
- 肌肉-大脑轴表明骨肌肉影响AD风险和病理.
- 增加肌肉大小的干预可以帮助预防AD的功能衰退.
研究的目的:
- 为了研究为期八周的肌酸单水化合物 (CrM) 补充剂对老年人患有AD的腿部肌肉横截面积 (mCSA) 的影响.
- 评估在AD群体中补充CRM的可行性和初步疗效.
主要方法:
- 一项单臂试点研究分析了来自18名可能患有AD的参与者的数据.
- 参与者每天接受20g的CrM,持续8周.
- 在基线和八周后,超声波被用于测量直骨 (RF) 和大骨中间体 (VM) 的mCSA.
主要成果:
- 在八周后,RF (7.6至7.8厘米2,p=0.03) 和VM (10.1至10.2厘米2,p=0.01) 的平均mCSA增加.
- 身体质量指数 (BMI) 没有显著变化.
- 这项研究表明,CrM补充剂在增加AD患者的肌肉大小方面具有初步有效性.
结论:
- 八周补充20g/天的CrM可能会增加患有AD的个体的肌肉大小.
- 这些适度的增长可能在管理与渐进性AD相关的肌肉损失方面具有临床意义.
- 在AD患者中,CRM补充可能是维持肌肉质量或减缓功能衰退的可行策略.
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