Ann Rehabil Med.  2024 Aug;48(4):239-248. 10.5535/arm.240005.

Effect of Pre- and Post-Dialysis Exercise on Functional Capacity Using Portable Ergometer in Chronic Kidney Disease Patients

• Chae TS
• Kim DS
• Ko MH
• Won YH

• KMID: 2558730
• DOI: http://doi.org/10.5535/arm.240005

Abstract

Objective
To assess whether performing exercises during hemodialysis reduces the risk of developing intradialytic hypotension and enhances exercise capacity in patients with chronic kidney disease.
Methods
This study included patients aged ≥18 years undergoing hemodialysis. Participants performed exercises using a portable lower extremity ergometer during hemodialysis sessions for 3 weeks. Data regarding walking distance, knee strength, quality of life, fat-free mass, arterial pressure, blood pressure, heart rate, frequency of intradialytic hypotension, fatigue, and duration of hemodialysis were collected and analyzed.
Results
Significant improvements in walking distance and knee strength were observed following the implementation of exercise training during hemodialysis. Although there was no significant reduction in the frequency of intradialytic hypotension, a decreasing trend was noted. Other parameters such as quality of life and fatigue did not show significant changes.
Conclusion
Using a portable ergometer during hemodialysis improved exercise capacity and knee strength in patients with chronic kidney disease. There was a trend toward reduced intradialytic hypotension, suggesting potential cardiovascular benefits. Further research with larger sample sizes is needed to confirm these findings.

Keyword

Kidney diseases; Dialysis; Walk distance; Muscle strength; Hypotension

Figure

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  Fig. 1. Flow chart of the study protocol. HD, hemodialysis.

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  Fig. 2. Image of the study device in action.

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