Submitted: 13 Apr 2017
Revision: 24 Apr 2018
Accepted: 06 Jun 2018
ePublished: 10 Jul 2018
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J Cardiovasc Thorac Res. 2018;10(2): 95-10.
doi: 10.15171/jcvtr.2018.15
PMID: 30116508
PMCID: PMC6088760
  Abstract View: 525
  PDF Download: 561

Original Article

High protein diets do not affect anthropometric indexes and cardiometabolic risk factors among children with excess weight: A randomized controlled trial

Vajihe Izadi 1, Ahmad Esmaillzadeh 2,3, Mahin Hashemipour 4, Pamela J. Surkan 5, Leila Azadbakht 2,3,6 * , Roya Kelishadi 7


Introduction: Limited information exists regarding the effects of high protein (HP) diets on cardiovascular disease (CVD) risk factors among overweight and obese children. Our aim was to determine the effects of an HP diet on anthropometric indexes and CVD risk factors among overweight and obese children.
Methods: In a parallel randomized controlled trial, we recruited 50 overweight and obese children, aged 6-11 years, for a 10 week HP or control diet (protein, carbohydrate, fat: 25%, 45%, 30% in the HP diet vs. 15%, 55%, 30% in the control diet, respectively). Fasting blood glucose (FBG) serum insulin levels, lipid profiles, systolic and diastolic blood pressure (SBP and DBP), and anthropometric measurements were assessed using standard guidelines.
Results: 86% of children completed the trial. Percent changes (PC) for anthropometric and biochemical variables were not significantly different between the two groups. The PC of serum triglyceride (TG) level was significantly decreased in the HP group compared to in the control group (PC: -10.16±4.30% vs.12.11±7.80%; P = 0.01) in the crude model, but not in the adjusted model. For other variables, we did not find any significant differences between the HP group and the controls.
Conclusion: In the present study, we did not find any significant effect of adherence to an HP diet in improving anthropometric measurements or other CVD risk factors among obese and overweight children.
Keywords: High Protein Diet, Cardiovascular Risk Factors, Children, Obesity, Overweight
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