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      Effects of Exercise Training in Predialytic Uremic Patients


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          We examined the effects of physical training in 10 predialytic uremic patients (7 men, 3 women, mean age 47 ± 8 years) with an average glomerular filtration (GFR) of 15 ± 7 ml/min × 1,73 m<sup>2</sup>. All 10 patients participated in an exercise programme 3 times/week for 3 months and were compared to a control group of 9 patients with comparable baseline variables. The exercise group increased its maximal exercise capacity measured by standardized exercise test on a bicycle ergometer, from an average 159 ± 49 to 174 ± 57 W (p < 0.01). They also showed a decrease in heart rate at equal load (138 ± 29–123 ± 18 beats/min, p < 0.05). The control group did not change its exercise capacity (171 ± 60 and 171 ± 65 W, respectively, NS), nor its heart rate at equal load (124 ± 24 and 123 ± 24 beats/min, respectively, NS). Thigh muscular function assessed by static endurance increased from a median 77 s (range 27–197) to 113 s (range 66–201), p < 0.002. Dynamic muscular endurance increased from a median number of 41 movements (range 28–105) to 93 movements (range 45–139), p < 0.001. The corresponding figures for the controls were: static endurance 60 (range 20–209) and 47 s (range 9–203), respectively, NS; dynamic endurance 53 (range 19–190) and 43 movements (range 10–126), respectively, NS. Total hemoglobin, blood volume, GFR, blood pressure and echocardiographic variables remained unchanged during the observation period. We conclude that in predialytic uremic patients, physical training improves exercise capacity mainly due to an improved muscular function.

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          Author and article information

          S. Karger AG
          11 December 2008
          : 59
          : 1
          : 84-89
          aDivision of Nephrology and bCardiology, Department of Medicine; cDepartment of Clinical Physiology, and dDepartment of Physical Medicine and Rehabilitation, Karolinska Hospital, Stockholm, Sweden
          186524 Nephron 1991;59:84–89
          © 1991 S. Karger AG, Basel

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          : 16 November 1990
          Page count
          Pages: 6
          Original Paper

          Cardiovascular Medicine,Nephrology
          Exercise capacity,Exercise training,Muscle function,Moderate uremia


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