Contribution of intradialitic exercise on efficacy of hemodialysis: a systematic review
Abstract
With the increased survival of the population with chronic renal failure and the number of patients undergoing hemodialysis, several studies have pointed to the benefits of regular exercise programs as adjuvant treatment for these individuals on low physical fitness, muscular atrophies, systolic hypertension, fatigue and others. The improvement of the efficiency dialysis in the removal of solutes through the exercise also became a subject of interest since the strategies available today for this purpose have at least one drawback. The purpose of this review was to gather studies that address the impact of intradialytic exercise on the effectiveness of dialysis and realize a systematic analysis of the same. We searched the Medline, Lilacs, PubMed and Google Scholar, between August and September 2010. We analyzed 10 articles that presented different protocols on the time of exercise, load intensity and number of interventions. Four articles showed no improvement in any variable studied with introduction of exercise during dialysis, and the others showedan increase in at least one variable. Differences in sample characteristics and the wide variation in intervention protocols may be responsible for the findings of these studies few consensual.
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