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Title
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The effect of diet or exercise on visceral adipose tissue in overweight youth
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Author
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Abstract
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| Objective: Excess visceral adipose tissue (VAT) in children with obesity is associated with development of cardiovascular and metabolic disease. This meta-analysis investigated if lifestyle interventions can reduce VAT in overweight and obese youth. Methods: Pubmed, Cochrane and PEDro were searched for clinical trials that objectively assessed VAT and included study arms with supervised diet, exercise or a combination. If there was a no-therapy‟ control group, the data of the control group and the intervention groups were used to meta-analyze the data. In all other cases the pre-intervention and the post-intervention data were used to meta-analyze. Effect sizes were calculated as standardized mean differences or changes of VAT and expressed as Hedges‟g. Results: The overall weighted mean effect size on VAT of all included interventions was - 0.69 [95%CI = -0.90 to -0.48] (p <0.001). Subgroup analysis showed that the overall weighted mean effect size of diet-only interventions on VAT was 0.23 [95%CI = -0.22 to 0.68] (p =0.311). Interventions that combined diet and exercise showed a pooled effect size on VAT of - 0.55 [95%CI = -0.75 to -0.39] (p <0.001). The pooled effect size of exercise-only interventions on VAT was -0.85 [95%CI = -1.20 to -0.57] (p <0.001). Conclusions: Supervised exercise-only or combined diet and exercise interventions can reduce VAT in overweight and obese children and adolescents. The strongest effect was found in exercise-only groups. However, high quality RCT‟s describing the effect of supervised dietary interventions on VAT in children are lacking. |
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Language
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English
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Source (journal)
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Medicine and science in sports and exercise. - Madison, Wis., 1980, currens
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Publication
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Madison, Wis.
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2016
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ISSN
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0195-9131
[print]
1530-0315
[online]
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DOI
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10.1249/MSS.0000000000000888
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Volume/pages
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48
:7
(2016)
, p. 1415-1424
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ISI
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000378082300024
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Pubmed ID
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27314412
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Full text (Publisher's DOI)
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Full text (open access)
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