Dorothea Kesztyüs1, Julia Erhardt, Dorothée Schönsteiner, Tibor Kesztyüs. 1. Ulm University, Institute of General Medicine, Ulm, Germany; Beuth University of Applied Sciences, Institute for Distance Learning, Berlin, Germany; Ulm University of Applied Sciences, Department of Computer Science, Ulm, Germany; Ulm University, Institute of Medical Systems Biology, Ulm, Germany.
Abstract
BACKGROUND: Abdominal obesity, an accumulation of fat in the abdominal region, is a risk factor for several non-communicable diseases. This review aims to identify non-surgical treatment options for abdominal obesity in adults. Interventions with behavioral, dietary, physical activity, or pharmaceutical components were compared to control conditions. METHODS: A systematic literature research for randomized controlled trials was conducted in Medline, Embase, and the Cochrane Central Register of Controlled Trials according to a prespecified and registered protocol (PROSPERO CRD42017057898). RESULTS: Out of 2954 articles, 15 studies with 2918 participants remained after applying inclusion and exclusion criteria. Altogether the programs achieved a -2.65cm (95% confidence interval (CI) [-3.77, -1.53]) reduction in waist circumference (WC), as a measure of abdominal obesity. Eight behavioral interventions reduced WC by -1.88cm (95% CI [-2.55, -1.22]), and six combined interventions with behavioral plus dietary and/or physical activity components by -4.11cm (95% CI [-6.17, -2.05]). The only pharmaceutical trial did not find any effect on WC. CONCLUSION: Overall, the identified interventions showed a moderate effect on WC. One reason may be that in most studies WC was a secondary outcome parameter, while only a small number of interventions primarily targeted abdominal obesity. Further research regarding the treatment of abdominal obesity is urgently needed.
BACKGROUND:Abdominal obesity, an accumulation of fat in the abdominal region, is a risk factor for several non-communicable diseases. This review aims to identify non-surgical treatment options for abdominal obesity in adults. Interventions with behavioral, dietary, physical activity, or pharmaceutical components were compared to control conditions. METHODS: A systematic literature research for randomized controlled trials was conducted in Medline, Embase, and the Cochrane Central Register of Controlled Trials according to a prespecified and registered protocol (PROSPERO CRD42017057898). RESULTS: Out of 2954 articles, 15 studies with 2918 participants remained after applying inclusion and exclusion criteria. Altogether the programs achieved a -2.65cm (95% confidence interval (CI) [-3.77, -1.53]) reduction in waist circumference (WC), as a measure of abdominal obesity. Eight behavioral interventions reduced WC by -1.88cm (95% CI [-2.55, -1.22]), and six combined interventions with behavioral plus dietary and/or physical activity components by -4.11cm (95% CI [-6.17, -2.05]). The only pharmaceutical trial did not find any effect on WC. CONCLUSION: Overall, the identified interventions showed a moderate effect on WC. One reason may be that in most studies WC was a secondary outcome parameter, while only a small number of interventions primarily targeted abdominal obesity. Further research regarding the treatment of abdominal obesity is urgently needed.
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