Phthalate and Bisphenol Urinary Concentrations, Body Fat Measures, and Cardiovascular Risk Factors in Dutch

Carolina C V Silva1,2, Vincent W V Jaddoe1,2, Chalana M Sol1,2

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

Insights

Urinary phthalates, like di-n-octyl phthalate (DNOP), are linked to childhood overweight and poor cardiovascular health. Bisphenols, including bisphenol A, may decrease body mass index (BMI) over time.

Area of Science:

  • Environmental health
  • Pediatric endocrinology
  • Cardiovascular epidemiology

Background:

  • Exposure to endocrine-disrupting chemicals (EDCs) like phthalates and bisphenols during childhood is a growing concern.
  • These chemicals are ubiquitous in consumer products and can interfere with normal growth and metabolic processes.
  • Understanding the long-term effects of EDC exposure on body composition and cardiovascular health is crucial for public health.

Purpose of the Study:

  • To examine the relationship between urinary phthalate and bisphenol concentrations at age 6 and body fat indicators.
  • To investigate associations with cardiovascular risk factors, including blood pressure and lipid profiles, at ages 6 and 10.
  • To assess the impact of these exposures on changes in body fat and cardiovascular risk from age 6 to 10 years.

Main Methods:

  • A cohort of 471 Dutch children had urinary phthalate and bisphenol levels measured at age 6.
  • Body mass index (BMI), fat mass index, android fat mass, blood pressure, glucose, insulin, and lipid concentrations were assessed at ages 6 and 10.
  • Statistical analyses were performed to determine associations between chemical exposures and health outcomes.

Main Results:

  • Increased di-n-octyl phthalate (DNOP) metabolite concentrations at age 6 were associated with a higher risk of overweight at both 6 and 10 years.
  • Higher DNOP levels correlated with increased fat mass index at age 6, elevated systolic blood pressure at age 10, decreased high-density lipoprotein cholesterol, and increased triglycerides from age 6 to 10.
  • Elevated total bisphenols and bisphenol A concentrations were linked to a decrease in BMI between ages 6 and 10.

Conclusions:

  • Urinary DNOP metabolites are associated with overweight and an adverse cardiovascular risk profile in children.
  • Exposure to total bisphenols and bisphenol A may be associated with a reduction in BMI during childhood.
  • These findings highlight the potential impact of common environmental chemicals on pediatric obesity and cardiovascular health.
Abstract