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Obesity Surgery
Published in: Obesity Surgery 2/2017

01-02-2017 | Original Contributions

Physical Fitness and Body Composition Two Years after Roux-En-Y Gastric Bypass in Adolescents

Authors: Markus Brissman, Kerstin Ekbom, Emilia Hagman, Staffan Mårild, Eva Gronowitz, Carl-Erik Flodmark, Torsten Olbers, Claude Marcus

Published in: Obesity Surgery | Issue 2/2017

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Abstract

Background

We have previously shown promising results 2 years after Roux-en-Y gastric bypass surgery, within the Adolescence Morbid Obesity Surgery study (AMOS). The aim of the current study was to describe the 2-year outcome in cardiorespiratory fitness, body composition, and functional capacity in the Stockholm subset of the AMOS study.

Methods

Forty-one adolescents (10 male, 31 female, age 14–18 years, body mass index 35–69 kg·m−2) were included. In addition to anthropometric measurements, participants performed a submaximal bicycle test, 6-min walk test, dual-energy X-ray absorptiometry, and a short interview at baseline, 1 and 2 years after surgery.

Results

Relative improvements in maximal oxygen consumption (VO2max) per kilogram body mass (+62 %) and per kilogram fat-free mass (+21 %), as well as walking distance (+13 %) were observed after 1 year, and persisted 2 years after surgery. Despite a reduction of fat-free mass (−15 %), absolute VO2max was maintained across the full group (+8 %, p = ns) and significantly increased in non-smokers. Body mass and fat mass were significantly decreased (−45.4 and −33.3 kg, respectively). Self-reported physical activity was significantly increased, and pain associated with movement was reduced.

Conclusions

In adolescents with obesity, Roux-en-Y gastric bypass improved VO2max more than could be explained by fat mass loss alone. In combination with improved functional capacity and body composition, these results suggest that surgery in adolescence might add specific benefits of importance for future health.
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Metadata
Title
Physical Fitness and Body Composition Two Years after Roux-En-Y Gastric Bypass in Adolescents
Authors
Markus Brissman
Kerstin Ekbom
Emilia Hagman
Staffan Mårild
Eva Gronowitz
Carl-Erik Flodmark
Torsten Olbers
Claude Marcus
Publication date
01-02-2017
Publisher
Springer US
Published in
Obesity Surgery / Issue 2/2017
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI
https://doi.org/10.1007/s11695-016-2282-1

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