Clinical Research Directory

Effect of Intradialytic Exercise on Left Ventricular Diastolic Function in Hemodialysis Patients

Sponsor: Instituto Nacional de Cardiologia Ignacio Chavez

Summary

Introduction: Cardiovascular diseases are the leading cause of morbidity and mortality in hemodialysis patients, primarily due to structural cardiac changes that lead to diastolic dysfunction. Furthermore, this population has a high prevalence of sedentary behavior and increased mortality associated with it. Recent studies have implemented exercise regimens in the chronic kidney disease population, demonstrating improvements in various parameters related to cardiovascular disease. Objectives: To evaluate the effect of implementing systematic intradialytic exercise on left ventricular diastolic function. Materials and Methods: This is a quasi-experimental study (before-and-after type) that will be conducted in two phases. In the first phase (rest), both incident and prevalent hemodialysis patients will receive treatment for 3 months. A baseline echocardiogram will be performed and then repeated at the end of the first phase to determine left ventricular diastolic function parameters. The second phase of the study (intradialytic exercise) will take place during the following 3 months, with an echocardiogram performed at the beginning and end of this phase. Systematic, prescribed, and supervised intradialytic aerobic exercise (intradialytic pedaling) will be implemented. Additionally, a 6-minute walk test and a validated physical activity questionnaire will be administered monthly during both phases of the study.

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