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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.
Objective:
The purpose of this study was to investigate the associations of urinary phthalates and bisphenols at age 6 years old with body fat and cardiovascular risk factors at 6 and 10 years and with the change from 6 to 10 years.
Methods:
Among 471 Dutch children, the phthalates and bisphenols urinary concentrations at 6 years and BMI, fat mass index, android fat mass, blood pressure, glucose, insulin, and lipids blood concentrations at 6 and 10 years were measured.
Results:
An interquartile range increase in di-n-octyl phthalate (DNOP) metabolites concentrations at 6 years was associated with an increased risk of overweight at 6 and 10 years (odds ratio: 1.44; 95% CI: 1.11-1.87, and 1.43; 95% CI: 1.09-1.86, respectively). Also, higher DNOP metabolites concentrations were associated with higher fat mass index at 6 years, higher systolic blood pressure at 10 years, a decrease in high-density lipoprotein cholesterol, and an increase in triglycerides concentrations from 6 to 10 years (P < 0.05). Higher total bisphenols and bisphenol A concentrations were associated with a decrease in BMI from 6 to 10 years (P < 0.01).
Conclusions:
DNOP metabolites are associated with overweight and an adverse cardiovascular profile in childhood. Total bisphenols and bisphenol A are associated with a decrease in BMI from 6 to 10 years.
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