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Abstract

Introduction: The kidneys of patients with chronic kidney disease cannot adequately filter and eliminate urea. High levels of this molecule are harmful to their health. There is evidence that exercise helps eliminate urea during hemodialysis.
Objective: To describe the evolution of urea levels over time when performing a low-intensity aerobic physical exercise program in hemodialysis patients.
Material and Method: We conducred a longitudinal quasi-experimental study with 10 patients, in whom an aerobic exercise program was applied for 14 weeks. Urea levels were recorded before and after hemodialysis with blood urea nitrogen analysis.
Results: A decrease in urea levels from 107.58 down to 79.34 mg/dL (men) and from 82.09 to 56.40 mg/dL (women) was observed in pre-exercise blood urea nitrogen analyses between weeks 0 and 14 of the exercise program (p=0.022).
Conclusions: Performing an aerobic physical exercise program while on hemodialysis is related to a decrease in pre- and post-hemodialysis urea levels over time. Therefore, the implementation of aerobic physical exercise could be related to an increase in urea clearance in patients with chronic kidney disease.

Keywords

chronic kidney disease hemodialysis aerobic exercise urea

Article Details

How to Cite
1.
Aguiar Chávez A, Gallardo García I, Martínez López B. Evolution of urea levels with the implementation of an intradialytic physical exercise program. Enferm Nefrol [Internet]. 2025 [cited 2025 Apr 30];28(1):[about 5 p.]. Available from: https://www.enfermerianefrologica.com/revista/article/view/4751

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