Susanne Wallek1, Anna Senn-Malashonak1, Lutz Vogt2, Katharina Schmidt2, Peter Bader3, Winfried Banzer2. 1. Department of Pediatric Oncology, Hematology and Hemostaseology, Goethe University Hospital, Frankfurt am Main, Germany. 2. Department of Sports Medicine, Goethe University, Frankfurt am Main, Germany. 3. Department of Stem Cell Transplantation and Immunology, Goethe University Hospital, Frankfurt am Main, Germany.
Abstract
BACKGROUND: Before and after hematopoietic stem cell transplantation (HSCT), most patients suffer from psychophysical limitations due to the treatment. Exercise interventions demonstrate beneficial effects on, for example, strength, endurance, or health-related quality of life during and after HSCT, but with a great variation among patients concerning the response to exercise. This study examines the influence of the initial fitness on the effects of an exercise therapy in pediatric HSCT. PROCEDURE: Fifty-three children and adolescents (10.9 ± 3.5 years) scheduled for HSCT were randomized into an exercise intervention group (IG) or a control group (CG). During hospitalization, the IG performed endurance, strength, and flexibility training three times per week. The CG included a nonexercise program. A 6-min walk test was completed before and after the inpatient period. Baseline results (6-min walking distance [6MWD]) were used to split both groups into the following: IGUNFIT , n = 14; IGFIT , n = 12; CGUNFIT , n = 16; CGFIT , n = 11. Differences in outcome changes between groups were analyzed with H-test. RESULT: Intergroup comparison revealed significant differences between IGUNFIT and CGUNFIT (P < 0.05). The IGUNFIT increased their 6MWD by +8% (vs. IGFIT , +1%); both CGs presented a decline in 6MWD (CGUNFIT , -14%; CGFIT , -16%). At discharge, the IGFIT achieved 85.5 ± 10.3% of healthy reference values. CONCLUSIONS: The current results indicate that exercise during pediatric HSCT is feasible and contributes to prevention of treatment-related loss of physical function. As seen in healthy persons, patients' benefits might depend on their initial fitness level. As a diminished physical capability may result in higher training effects, impaired especially patients should engage in exercise.
RCT Entities:
BACKGROUND: Before and after hematopoietic stem cell transplantation (HSCT), most patients suffer from psychophysical limitations due to the treatment. Exercise interventions demonstrate beneficial effects on, for example, strength, endurance, or health-related quality of life during and after HSCT, but with a great variation among patients concerning the response to exercise. This study examines the influence of the initial fitness on the effects of an exercise therapy in pediatric HSCT. PROCEDURE: Fifty-three children and adolescents (10.9 ± 3.5 years) scheduled for HSCT were randomized into an exercise intervention group (IG) or a control group (CG). During hospitalization, the IG performed endurance, strength, and flexibility training three times per week. The CG included a nonexercise program. A 6-min walk test was completed before and after the inpatient period. Baseline results (6-min walking distance [6MWD]) were used to split both groups into the following: IGUNFIT , n = 14; IGFIT , n = 12; CGUNFIT , n = 16; CGFIT , n = 11. Differences in outcome changes between groups were analyzed with H-test. RESULT: Intergroup comparison revealed significant differences between IGUNFIT and CGUNFIT (P < 0.05). The IGUNFIT increased their 6MWD by +8% (vs. IGFIT , +1%); both CGs presented a decline in 6MWD (CGUNFIT , -14%; CGFIT , -16%). At discharge, the IGFIT achieved 85.5 ± 10.3% of healthy reference values. CONCLUSIONS: The current results indicate that exercise during pediatric HSCT is feasible and contributes to prevention of treatment-related loss of physical function. As seen in healthy persons, patients' benefits might depend on their initial fitness level. As a diminished physical capability may result in higher training effects, impaired especially patients should engage in exercise.
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