Omega and heart rate variability in overweight and obese schoolchildren

Hoda Atef Abdelsattar Ibrahim1,2, Rodina Sobhi3, Nouran Khaled Farouk3

  • 1Lecturer, Pediatric Clinical Nutrition Unit, Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo 12613, Giza, 11562, Egypt. hodaibrahim424@gmail.com.

Pediatric Research
|February 19, 2025
PubMed

Insights

Omega-3 supplementation improved heart rate variability and lipid profiles in overweight and obese children. This dietary intervention shows promise for enhancing cardiovascular health in this at-risk pediatric population.

Area of Science:

  • Pediatric Cardiology
  • Nutritional Science
  • Biomarkers of Cardiovascular Health

Background:

  • Overweight and obesity in children increase the risk of developing chronic cardiovascular disorders.
  • Heart rate variability (HRV) serves as a crucial indicator of cardiovascular health status.
  • Identifying effective interventions to mitigate cardiovascular risks in obese children is essential.

Purpose of the Study:

  • To investigate the impact of omega-3 fatty acid supplementation on heart rate variability in overweight and obese children.
  • To assess changes in lipid profiles following omega-3 supplementation in this pediatric cohort.

Main Methods:

  • A randomized controlled trial involving 60 overweight and obese children.
  • Participants were assigned to either an omega-3 supplementation group or a control group receiving standard recommendations.
  • Resting 10-minute Holter ECG and lipid profiles were analyzed at baseline and after 3 months.

Main Results:

  • Significant improvements in heart rate variability measures (RMSSD, SDNN, pNN50) were observed in the omega-3 group compared to controls.
  • Triglyceride levels decreased significantly, and HDL cholesterol levels increased significantly in the omega-3 supplemented group.
  • These findings indicate a positive effect of omega-3 on cardiovascular markers.

Conclusions:

  • Omega-3 fatty acid supplementation may enhance cardiovascular health in overweight and obese children.
  • Omega-3s demonstrate potential as a cardioprotective dietary supplement for improving HRV and lipid profiles.
  • This study highlights the importance of omega-3 fatty acids in managing cardiovascular risk factors in pediatric obesity.
Abstract

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