Body fat distribution, metabolic and inflammatory markers and retinal microvasculature in school-age children. The

O Gishti1,2,3, V W V Jaddoe1,2,3, A Hofman3

  • 1The Generation R Study Group, Erasmus University Medical Center, Rotterdam, The Netherlands.

Insights

Childhood obesity is linked to narrower retinal arterioles, while inflammation markers like C-reactive protein correlate with wider retinal venules. These findings suggest body fat and inflammation impact microvascular development from a young age.

Area of Science:

  • Ophthalmology
  • Pediatrics
  • Cardiovascular Health

Background:

  • Retinal vessel caliber is a potential indicator of systemic vascular health.
  • Childhood obesity and inflammation are growing public health concerns.
  • Understanding early-life associations can inform long-term health trajectories.

Purpose of the Study:

  • To investigate the relationship between body fatness, metabolic/inflammatory markers, and retinal vessel calibers in children.
  • To determine if obesity or specific biomarkers are associated with changes in retinal arteriolar or venular caliber.

Main Methods:

  • Population-based cohort study of 4145 school-age children.
  • Measurements included body mass index, total and abdominal fat mass, blood biomarkers (lipids, insulin, C-peptide, C-reactive protein), and retinal vessel calibers from photographs.
  • Analysis examined associations between these factors and retinal vascular dimensions.

Main Results:

  • Obese children exhibited narrower retinal arteriolar caliber compared to normal-weight children.
  • Higher body mass index and total body fat mass were associated with narrower retinal arterioles.
  • Elevated C-reactive protein levels were linked to wider retinal venular caliber, independent of body mass index.
  • Lipid and insulin levels showed no significant association with retinal vessel calibers.

Conclusions:

  • Increased body fatness in children is associated with narrower retinal arterioles.
  • Elevated C-reactive protein is linked to wider retinal venules, suggesting a role for inflammation.
  • These findings indicate that body fat accumulation and inflammation are correlated with microvascular development starting in school age.
Abstract