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Effects of exercise training on Fetuin-a in obese, type 2 diabetes and cardiovascular disease in adults and elderly: A systematic review and Meta-analysis

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Ramírez-Vélez, Robinson
García-Hermoso, Antonio
Hackney, Anthony C.
Izquierdo, Mikel



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BioMed Central Ltd.


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Background: Elevated levels of fetuin-A are associated with increased risks of metabolic syndrome, type 2 diabetes and nonalcoholic fatty liver disease. This meta-analysis investigated whether exercise interventions can reduce fetuin-A in adults. Methods: We searched clinical trials that objectively assessed fetuin-A and included study arms with exercise intervention. The pre-intervention and post-intervention data were used for meta-analysis. The effect sizes were calculated as standardized mean differences or changes in fetuin-A and expressed as Hedges' g using random-effects models. Results: The overall Hedges' g for fetuin-A in all included interventions was - 0.640 (95%CI - 1.129 to - 0.151; n = 9), but this effect was not observed in obese (g = - 0.096; 95%CI, - 0.328 to 0.135) and type 2 diabetes/dysglycemia (g = - 0.56; 95%CI, - 1.348 to 0.236) individuals. Additionally, the random-effects meta-regression analysis showed that there was not a greater decrease in fetuin-A in individuals who achieved greater body mass index reductions (regression coefficient = 0.065; 95%CI, - 0.185 to 0.315). Conclusion: Supervised exercise is associated with reductions in fetuin-A levels in adults and elderly. However, the results of the present meta-analysis should be interpreted with caution because of the variety of type of exercises and individual obesity related-disorders involve. Therefore, additional high-quality randomized controlled trials describing the effect of supervised exercise interventions on fetuin-A in adults are still needed. © 2019 The Author(s).
Palabras clave
Fetuin A , Type 2 , Adult , Aged , Body mass , Cardiovascular disease , Clinical assessment , Clinical effectiveness , Clinical evaluation , Clinical protocol , Disease association , Enzyme linked immunosorbent assay , Exercise , Exercise intensity , Human , Meta analysis , Non insulin dependent diabetes mellitus , Obesity , Protein blood level , Protein expression , Review , Risk factor , Systematic review , Metabolism , Middle aged , Non insulin dependent diabetes mellitus , Obesity , Publishing , Randomized controlled trial (topic) , Regression analysis , Adult , Aged , Alpha-2-HS-Glycoprotein , Diabetes Mellitus , Exercise , Humans , Middle Aged , Obesity , Publication Bias , Randomized Controlled Trials as Topic , Regression Analysis , Risk Factors , Cardiovascular disease , Exercise training , Fetuin-a , Meta-analysis , Metabolic syndrome , Obesity , Systematic review , Type 2 diabetes