Evidence map›Paper›PMID 29768398›Full record

ArticlePediatric research2018

Urinary metabolites of volatile organic compounds of infants in the neonatal intensive care unit.

Dina El-Metwally, Krista Chain, Matthew P Stefanak, Udeni Alwis, Benjamin C Blount, Judy S LaKind, Cynthia F Bearer

Abstract readComparative Study
In one paragraph

Article in Pediatric research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Trial
  3. Review
  4. Review
  5. Article
  6. Article
  7. Article
  8. Article
  9. Volatile organic compounds in exhaled breath of newborns: a pilot study.Journal of perinatology : official journal of the California Perinatal Association · 2025
    Article
  10. Review
  11. Article
  12. Article
  13. Review
  14. Migration of cyclohexanone and 3,3,5-trimethylcyclohexanone from a neonatal enteral feeding system into human milk.Journal of perinatology : official journal of the California Perinatal Association · 2021
    Article
  15. Article
  16. Article
  17. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Dina El-MetwallyDepartment of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland.
Krista ChainDepartment of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland.
Matthew P StefanakDepartment of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland.
Udeni AlwisTobacco and Volatiles Branch, Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia.
Benjamin C BlountTobacco and Volatiles Branch, Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia.
Judy S LaKindLaKind Associates, LLC; Department of Epidemiology and Public Health, University of Maryland School of Medicine, Catonsville, Maryland.
Cynthia F BearerDepartment of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland.

Funding

Intramural CDC HHS CC999999
6 · The paper itself

Abstract

BackgroundPreterm infants (PTI) in the NICU are often placed in incubators that may increase their exposure to volatile organic chemicals (VOCs). To determine whether PTI in incubators have higher urinary concentrations of VOC metabolites compared with infants in cribs.MethodsUrine from 40 PTI in incubators and 40 infants in cribs was collected and analyzed for 28 urinary VOC biomarkers. Differences in metabolite concentrations between the two groups were compared.ResultsTwenty two of the VOC metabolites were detected in at least one urine sample. All urine samples tested had measurable levels of six VOC metabolites. Biomarkers for acrolein, acrylonitrile, carbon disulfide, cyanide, N-dimethylformamide, ethylbenzene, ethylene oxide, propylene oxide, styrene, toluene/benzyl alcohol, vinyl chloride, and xylene were higher in the incubator group. The geometric means of five VOC metabolites were 2-fold higher than those reported for NHANES children 6-11 years of age in one or both of the groups with benzyl mercapturic acid being 7-fold and 12-fold greater than NHANES in the crib and incubator group, respectively.ConclusionAll infants were exposed to VOCs. PTI in incubators have a different VOC exposure profile compared with infants in cribs. The health implications associated with these exposures require further study.

Indexed as

Incubators, InfantInfant EquipmentBiomarkersChildChromatography, High Pressure LiquidEnvironmental ExposureFemaleHumansInfantInfant, NewbornIntensive Care, NeonatalMaleTolueneVolatile Organic CompoundsBiomarkersTolueneVolatile Organic Compounds

Identifiers

PMID29768398
PMCPMC6504844

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.