Document Detail

Exposure to di(2-ethylhexyl) phthalate in premature neonates in a neonatal intensive care unit in Taiwan.
MedLine Citation:
PMID:  22596068     Owner:  NLM     Status:  Publisher    
OBJECTIVE:: Neonates are exposed to high levels of di(2-ethylhexyl) phthalate through numerous medical procedures in the neonatal intensive care unit. Our aim was to assess the contribution of specific medical devices to the di(2-ethylhexyl) phthalate exposure of neonates. DESIGN:: Prospective. SETTING:: University hospital. PATIENTS:: We recruited 32 premature neonates, 20 with very low birth weight (<1500 g) and 12 with low birth weight (<2500 g), and 31 controls at a neonatal intensive care unit from a medical center in central Taiwan. INTERVENTIONS:: Interventions were based on a clinical need and used standard materials and devices, including endotracheal tubes, continuous positive airway pressure, oxygen hood, intravenous injection, intralipid injection, blood transfusion, orogastric tubes, nasogastric tubes, umbilical venous catheterization, umbilical arterial catheterization, chest tube, and isolate. MEASUREMENTS AND MAIN RESULTS:: We recorded the medical procedures of each subject, collected their urine samples, and determined the urinary concentration of three metabolites of di(2-ethylhexyl) phthalate using reversed-phase high-performance liquid chromatography-atmospheric pressure chemical ionization-tandem mass spectrometry. Median levels of di(2-ethylhexyl) phthalate metabolites in premature neonates treated with an endotracheal tube and orogastric tube or nasogastric tube were significantly higher than those not treated with an endotracheal tube, orogastric tube, or nasogastric tube. Median levels of di(2-ethylhexyl) phthalate metabolites in premature neonates treated with intravenous injection were ≥2-fold higher than those of healthy controls who received intravenous injections (p = .01). Median levels of three di(2-ethylhexyl) phthalate metabolites were similar in very-low-birth-weight and low-birth-weight low-neonates. CONCLUSIONS:: These data suggest that polyvinyl chloride-containing devices are the major defining factor in di(2-ethylhexyl) phthalate exposure levels in neonates in the neonatal intensive care unit. We urge the use of polyvinyl free or alternative materials in medical devices, especially for endotracheal tubes, orogastric tubes, nasogastric tubes, and intravenous tubing in the neonatal intensive care unit. The health effects of high di(2-ethylhexyl) phthalate exposure on premature neonates in the neonatal intensive care unit is worthy of further investigation.
Pen-Hua Su; Yan-Zin Chang; Shu-Li Wang; Hsin-I Haung Po-Chin Huang; Jia-Yuh Chen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-16
Journal Detail:
Title:  Pediatric critical care medicine : a journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies     Volume:  -     ISSN:  1529-7535     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100954653     Medline TA:  Pediatr Crit Care Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
From the Divisions of Genetics (PHS, JYC), Department of Pediatrics (PHS, JYC), Chung Shan Medical University Hospital, Departments of Toxicology (YZC) and Public Health (SLW), School of Medicine (PHS, JYC), Chung Shan Medical University, Taichung, Taiwan; and Division of Environmental Health and Occupational Medicine (SLW, HIH, PCH), National Health Research Institutes, Zhunan, Taiwan.
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