在末期病患者中,对增加性运动的脑血动力学反应减弱
Amal Machfer1, Mohamed Amine Bouzid2, Nadia Fekih2
1Research Laboratory: Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education, University of Sfax, Sfax, Tunisia. amalmachfer@gmail.com.
International urology and nephrology
|March 5, 2024
概括
末期病 (ESRD) 患者在最大运动期间表现出脑血流和氧化量减弱,以及运动能力降低. 这些发现表明ESRD对认知障碍和体力耐受性降低的潜在贡献.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 运动生理学 运动生理学
- 神经科学是一个神经科学.
背景情况:
- 末期病 (ESRD) 与影响多个器官系统的全身并发症有关.
- 运动不耐受和认知功能障碍在ESRD患者中很常见,但潜在的机制仍然不清楚.
研究的目的:
- 为了比较ESRD患者与健康对照患者在最大运动期间的大脑血液动力学和最大氧气吸收 (VO2峰值).
- 在ESRD中调查前额叶皮层氧化和在运动期间血液体积的变化.
主要方法:
- 12名ESRD患者和12名年龄匹配的健康对照 (CTR) 接受了最大增量运动测试.
- 近红外光谱 (NIRS) 监测了运动期间前额叶皮层中氧化血红蛋白 (∆O2Hb),脱氧化血红蛋白 (∆HHb) 和总血红蛋白 (∆THb) 的变化.
主要成果:
- 与对照组相比,ESRD组的VO2峰值明显较低 (P < 0.05).
- 总血红蛋白 (∆THb) 的增加,表明大脑血液体积,在ESRD患者中显著减弱 (P <0.05).
- 在高强度运动 (P <0.05) 期间,ESRD患者表现出大脑∆HHb和∆O2Hb的变化受损. 在这两组中,VO2峰值和脑血液动力学参数之间没有发现显著的相关性.
结论:
- 最大限度的运动显示ESRD患者前额叶皮层中脑血液动力学和神经氧化的微妙损害.
- 这些脑血管变化可能导致ESRD中观察到的运动耐受性降低和认知缺陷.
- 需要进一步的研究来探索这些发现对患者管理的临床影响.
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