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DOI: 10.1055/s-0038-1675329
Maternal Epidural Steroids to Prevent Neonatal Exposure to Hyperthermia and Inflammation
Funding This study was funded by the Department of OBGYN Center for Women's Health Research and Research Development Fund. In addition, the project described was supported by the NIH National Center for Advancing Translational Sciences (NCATS) through Grant Number UL1 TR001450.Publication History
21 September 2017
15 September 2018
Publication Date:
02 November 2018 (online)
Abstract
Background Epidural analgesia is associated with a fourfold increased rate of intrapartum fever. The likely pathophysiology is a noninfectious maternal inflammatory activation. Safe interventions to reduce maternal and neonatal exposures to intrapartum fever and inflammation are needed.
Objective The purpose of this study was to determine if prophylactic epidural steroids decrease fetal exposure to hyperthermia and inflammatory cytokines following epidural analgesia.
Study Design This is a randomized, double-blinded, placebo controlled trial. Term nulliparous women requesting epidural analgesia received 80 mg methylprednisolone or preservative-free normal saline via the epidural catheter at placement. The primary outcome was maternal temperature >100.4°F. Secondary outcomes included fetal exposure to inflammation as assessed by cord blood interleukin-6 (IL-6) levels and rates of funisitis. Power analysis estimated a sample size requirement of 276, but new Food and Drug Administration (FDA) recommendations advising a black box warning on epidural steroids resulted in early study termination.
Results A total of 116 subjects were enrolled: 58 treatments and 58 placebos. There was no difference in the rate of maternal intrapartum fever or cord blood IL-6 levels between treatment arms. No complications listed in the FDA warning occurred.
Conclusion Prophylactic epidural methylprednisolone was not effective in reducing intrapartum fever or neonatal inflammation following epidural analgesia. Alternate mechanisms and preventative strategies should be considered.
Keywords
epidural analgesia - maternal fever - chorioamnionitis - inflammation - steroids - labor - funisitisCondensation
Prophylactic epidural methylprednisolone was not effective in reducing intrapartum fever or neonatal inflammation following epidural analgesia.
Note
These findings were presented as poster at the 35th SMFM Annual Meeting—The Pregnancy Meeting. February 2–7, 2015, San Diego, CA. This study was registered at www.ClinicalTrials.gov (NCT02212210).
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