Walking daily correlates with high health-related quality of life in adults with CKD
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Adults with chronic kidney disease who walked between 7,000 and 12,000 steps a day reported high health-related quality of life, according to data published in the Journal of Renal Nutrition.
“Recent studies have shown that walking, as a daily form exercise in patients with CKD, may improve cardiopulmonary function, and regulate blood pressure, blood glucose and lipid levels in patients with CKD; moreover, it plays a vital role in enhancing the quality of life of CKD patients,” Jiachuan Xiong, MD, from the department of nephrology at the Key Laboratory for the Prevention and Treatment of CKD of Chongqing Clinical Research Center of Kidney and Urology Diseases in Xinqiao Hospital at Army Medical University in China, and colleagues wrote. They added, “There is no standard walk to recommend for CKD patients. This study aimed to investigate the association between daily walking steps and health-related quality of life (HRQoL) in patients with pre-dialysis CKD.”
Researchers observed 580 patients with CKD stages 1 to 5 not receiving dialysis during a 1-month period. Patients measured their daily walking steps using the We Run mobile app by wearing their phone for at least 10 hours per day. The app calculated average daily walking steps, then subcategorized patients into low-, middle- and high-level groups.
Using the physical component summary and mental component summary of the Medical Outcomes Study SF-36, researchers determined the HRQoL of patients.
Among the 580 patients enrolled in the study, 558 (50.5% were men; average age was 40.2 years) completed the daily step count and HRQoL investigation scale. We Run revealed the median daily step count as 7,404 steps. Those with daily steps between 7,000 to 12,000 showed the highest physical component summary and mental component summary scores. Patients with daily steps less than 7,000 and those with greater than 12,000 recorded “significantly lower” mental health-related quality and HRQoL, respectively, than patients who had 7,000 to 12,000 daily steps.
“In conclusion, the daily walking dose had an inverse U-shaped relationship with high HRQoL in CKD patients; patients with daily walking steps between 7,000 and 12,000 had the highest HRQoL,” Xiong and colleagues wrote. They concluded, “Our study contributes to the current literature by discussing the suitable walking dose for patients with CKD. Those patients could gain the greatest benefit of physical component summary and mental component summary between these daily steps. However, further investigations are warranted to provide more specific walking doses for CKD patients according to different age groups and physical states.”
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