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Published on: July 5, 2017
Effects of resistance training on sarcopenia in patients with intestinal failure: A randomized controlled trial
Yaqin Xiao1, Deshuai Song2, Niannian Fu3
1Department of General Surgery, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Department of General Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, China.
Background:
The potential effects of resistance training on sarcopenia in patients with intestinal failure (IF) are not fully elucidated. This study aimed to explore the efficacy of a resistance training program on appendicular skeletal muscle index (ASMI), physical performance, body composition, biochemical parameters, and health-related quality of life (HRQOL) in patients with IF exhibiting sarcopenia.
Methods:
A single-center randomized controlled trial was conducted in a Chinese tertiary teaching hospital. Patients with IF exhibiting sarcopenia were randomly assigned to the exercise group or control group. Participants in the exercise group incorporated four sets of resistance training involving the limbs and abdominal and lower back muscles, six times weekly for 4 weeks. The control group received no specific intervention. The primary outcome was the between-group difference in ASMI 4 weeks after intervention. Secondary outcomes included handgrip strength, 6-m gait speed, body composition, biochemical parameters, and HRQOL.
Results:
A total of 60 participants (control group 30, age 51.2 ± 12.9 years, women 43.3%; exercise group 30, age 53.9 ± 14.5 years, women 56.7%) completed the 4-week intervention trial. For the primary outcome, significant intervention effects were found in ASMI between the exercise group and the control group (mean difference 0.72, 95% CI, 0.56-0.89, P < 0.001). There were notable differences in handgrip strength (mean difference 2.7, 95% CI, 1.7-3.6, P < 0.001), 6-m gait speed (mean difference 0.08, 95% CI, 0.01-0.35, P = 0.034), body composition (including total cell mass, bone mineral content, skeletal muscle mass, lean mass, visceral fat area, total body water, intracellular water, extracellular water, and segmental water-legs), and biochemical parameters (including IGF-1, prealbumin, and hemoglobin) between the two groups (P < 0.05). No significant intervention benefits were observed for other secondary outcomes, including biochemical parameters (including albumin, total bilirubin, etc.) and HRQOL (P > 0.05).
Conclusions:
In this randomized clinical trial, we observed that 4 weeks of resistance training was associated with improved ASMI, physical performance, biochemical parameters (including IGF-1, prealbumin, and hemoglobin), and body composition in IF patients with sarcopenia. Resistance training can be recommended as a simple and effective method to improve sarcopenia in patients with IF.
Clinical Trial Registration:
www.chictr.org.cn, identifier: ChiCTR2100051727.
