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Assessment of Child Anthropometry in a Large Epidemiologic Study
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Published on: February 2, 2017

Differences in left ventricular mass between overweight and normal-weight preadolescent children.

Jose Peralta-Huertas1, Kristina Livingstone, Alayna Banach

  • 1Faculty of Applied Health Sciences, Brock University, St. Catharines, ON L2S3A1, Canada.

Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquee, Nutrition Et Metabolisme
|December 18, 2008
PubMed
Summary

Overweight children aged 10 show early cardiovascular changes, including higher left ventricular mass and cardiac output. These findings highlight the need for early intervention in pediatric obesity to prevent long-term heart issues.

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Area of Science:

  • Pediatric Cardiology
  • Cardiovascular Physiology
  • Childhood Obesity Research

Background:

  • Childhood obesity is a growing public health concern.
  • Early identification of cardiovascular risk factors in children is crucial.
  • Understanding subclinical cardiovascular changes in overweight youth is essential.

Purpose of the Study:

  • To investigate cardiac and arterial differences between overweight and normal-weight preadolescent children.
  • To assess cardiovascular adaptations in children as young as 10 years old.
  • To explore correlations between cardiovascular parameters and body composition in different weight groups.

Main Methods:

  • Compared 20 overweight and 43 normal-weight children (mean age 10.2 years).
  • Measured body composition, physical activity (PAME), and sexual maturation.
  • Assessed cardiac dimensions (echocardiography), arterial stiffness (CaPP), and aerobic power.
  • Calculated mean arterial pressure and ejection fraction.

Main Results:

  • Overweight children exhibited higher left ventricular mass (LVM) and LVM normalized to height (LVMHT2.7).
  • Overweight children had lower carotid artery pulse pressure (CaPP) but higher stroke volume and cardiac output.
  • Physical activity metabolic equivalent (PAME) and relative peak aerobic power were higher in boys than girls.

Conclusions:

  • Cardiovascular adaptations, including increased left ventricular mass, are evident in preadolescent overweight children.
  • These findings suggest that overweight status at a young age is associated with significant cardiovascular alterations.
  • Early detection and management of pediatric obesity are vital for mitigating cardiovascular risks.