Pre-labor exposure to carbon monoxide: Should the neonate be treated with hyperbaric oxygenation?

Ronen Bar, Maxim Cohen, Yedidia Bentur, Avi Shupak, Yochai Adir

Research output: Contribution to journalArticlepeer-review


A woman was admitted to hospital in the 39th week of gestation due to syncope, followed by nausea and headache. The patient's history revealed a 10-hour, unintentional exposure to carbon monoxide (CO), secondary to burning charcoal for indoor heating. Because of monitored fetal distress, a cesarean section was performed. The newborn had an Apgar score of 4, 9, and 10 at 1, 5, and 10 minutes postdelivery, respectively. The 1-minute Apgar was low due to lack of spontaneous breathing, reduced tonus, bluish coloration, and reduced response to pain. The neonate's carboxyhemoglobin level seven hours post-CO exposure was 22%, and arterial pH was 7.28. Neurological examination 30 minutes after delivery showed no pathology. The neonate was treated with 100% normobaric oxygen for 12 hours. We discuss the treatment options for fetal CO poisoning and specific considerations that had to be taken into account in the present case.

Original languageEnglish
Pages (from-to)579-581
Number of pages3
JournalClinical Toxicology
Issue number5
StatePublished - Jul 2007
Externally publishedYes


  • Carbon monoxide poisoning
  • Hyperbaric oxygenation
  • Neonate

ASJC Scopus subject areas

  • Toxicology


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