Exercise Rehabilitation for Functional Impairment in Maintenance Hemodialysis Patients

Plain-language summary

Maintenance hemodialysis (MHD) is the main treatment for patients with end-stage renal disease (ESRD). Although dialysis prolongs survival, many patients experience reduced physical function, poor quality of life, and higher risks of hospitalization and death. Lack of exercise often leads to muscle weakness and disability, further burdening patients, families, and healthcare systems. Rehabilitation medicine has shown promise in improving outcomes in patients with chronic kidney disease. Chinese experts have developed the "Standards for Rehabilitation Services in CKD Patients," which outline goals, procedures, and safety measures for exercise interventions. Based on these Standards, this study will evaluate the effects of structured exercise rehabilitation techniques (ERT) during routine dialysis. This multicenter, randomized controlled trial will enroll 800 patients from 15 dialysis centers in China, including 40 patients at The First People's Hospital of Yunnan Province. Eligible patients will be randomly assigned to an intervention group (dialysis plus ERT) or a control group (dialysis only). ERT includes warm-up, core resistance and cycling exercises, and relaxation, performed 3 times per week for 20-60 minutes per session over 2 years. The study will assess whether ERT can improve muscle strength, walking distance, psychological health, nutritional and cognitive status, and overall quality of life. Hospitalization and mortality will also be recorded as clinical outcomes. Results will provide scientific evidence for the feasibility, safety, and effectiveness of promoting standardized exercise rehabilitation in MHD patients.

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