Abstract
Background
Bisphenol A (BPA) is found in many medical materials used in the paediatric intensive care unit (PICU). Our aim was to evaluate how the urinary free-BPA(fBPA) and total-BPA(tBPA) levels were associated with the use of medical devices in the PICU in a prospective study.
Methods
The procedures applied to the patient were recorded during the follow-up period. Three urine samples were taken on the first day of hospitalization; the seventh day, and after 30 days or when the patients were discharged. Urinary tBPA and fBPA levels were determined using high-pressure liquid chromatography. Generalized estimating equations with repetitive measures were used to determine the associations between PICU procedures and BPA levels.
Results
A total of 115 urine samples of 40 children were studied. Mean urinary levels were 189.2 μg/g-creatinine for tBPA and 27.8 μg/g-creatinine for fBPA, and the fBPA/tBPA ratio was 27.9%. Endotracheal intubation, catheter, and haemodialysis procedures caused higher urinary fBPA levels. External drains, inhaler treatment, and the use of four or more medical devices were associated with considerably higher values of fBPA%. The increase in tBPA was positively correlated with fBPA.
Conclusions
fBPA levels and the fBPA/tBPA ratio varied according to the procedure and level of BPA exposure in children.
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Data availability
For access to the files, please send an e-mail request to siyalcin@hacettepe.edu.tr.
Code availability
Not applicable.
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The authors are grateful to all volunteers for participating in this study.
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Hacettepe University Scientific Research Projects Coordination Unit; TDK-2018-17392
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SSY and GA contributed to the conception or design of the work. GA and SE contributed to the acquisition of data. AY, AB, and PE performed laboratory analysis. SSY contributed to the statistical analysis and interpretation of data for the work. GA prepared the draft of the manuscript. SSY and GA gave the final manuscript. All of the authors gave final approval and agree to be accountable for all aspects of work ensuring integrity and accuracy.
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Ethical Committee of Ankara Children’s Hematology Oncology Education and Research Hospital (Number: GO 18/570) approved the protocol.
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Ayar, G., Yalçın, S.S., Yırün, A. et al. Associations between pediatric intensive care procedures and urinary free-BPA levels. Environ Sci Pollut Res 29, 13555–13563 (2022). https://doi.org/10.1007/s11356-021-16677-2
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DOI: https://doi.org/10.1007/s11356-021-16677-2