Journal
PEDIATRICS
Volume 129, Issue 2, Pages E447-E454Publisher
AMER ACAD PEDIATRICS
DOI: 10.1542/peds.2010-2301
Keywords
maternal fever; epidural analgesia; pregnancy; labor; infant; neonatal outcome; neurologic; seizures
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Funding
- National Research Service from the Eunice Kennedy Shriver National Institute of Child Health and Human Development [1F31HD046408-01A1]
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OBJECTIVES: To examine the association of intrapartum temperature elevation with adverse neonatal outcome among low-risk women receiving epidural analgesia and evaluate the association of epidural with adverse neonatal outcome without temperature elevation. METHODS: We studied all low-risk nulliparous women with singleton pregnancies >= 37 weeks delivering at our hospital during 2000, excluding pregnancies where infants had documented sepsis, meningitis, or a major congenital anomaly. Neonatal outcomes were compared between women receiving (n = 1538) and not receiving epidural analgesia (n = 363) in the absence of intrapartum temperature elevation (<= 99.5 degrees F) and according to the level of intrapartum temperature elevation within the group receiving epidural (n = 2784). Logistic regression was used to evaluate neonatal outcome while controlling for confounders. RESULTS: Maternal temperature >100.4 degrees F developed during labor in 19.2% (535/2784) of women receiving epidural compared with 2.4% (10/425) not receiving epidural. In the absence of intrapartum temperature elevation (<= 99.5 degrees F), no significant differences were observed in adverse neonatal outcomes between women receiving and not receiving epidural. Among women receiving epidural, a significant linear trend was observed between maximum maternal temperature and all neonatal outcomes examined including hypotonia, assisted ventilation, 1- and 5-min Apgar scores <7, and early-onset seizures. In regression analyses, infants born to women with fever >101 degrees F had a two- to sixfold increased risk of all adverse outcomes examined. CONCLUSIONS: The proportion of infants experiencing adverse outcomes increased with the degree of epidural-related maternal temperature elevation. Epidural use without temperature elevation was not associated with any of the adverse outcomes we studied. Pediatrics 2012;129:e447-e454
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