Antenatal exposure to magnesium sulfate and neonatal outcomes in very low birth weight infants: a multicenter study.
Research Square (Research Square)(2024)
Abstract
OBJECTIVE:To explore the association between antenatal magnesium sulfate (MgSO4), mortality and incidence of intraventricular hemorrhage (IVH) in very low birth weight (VLBW) infants.
STUDY DESIGN:Retrospective, cohort study of infants <32 weeks' GA born at centers of NEOCOSUR Network between January 2015 and December 2020. Subjects were categorized as exposed vs non-exposed to antenatal MgSO4. Primary outcomes were death, incidence of severe IVH (Grade III-IV) and severe IVH/death. Secondary outcomes included relevant morbidities.
RESULTS:7418 VLBW infants were eligible. Antenatal MgSO4 was associated with a significantly decreased death rate after admission (aOR 0.67 [95% CI, 0.49-0.94]) and severe IVH/ death (aOR 0.68 [95% CI, 0.50-0.93]). No significant reduction in severe IVH was observed (aOR 1.11 [95% CI, 0.72-1.71]). No differences between groups were observed in rates of morbidities.
CONCLUSION:Antenatal MgSO4 was associated with a decreased death rate after admission and in severe IVH/ death.
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Key words
magnesium sulphate,antenatal exposure,low birth weight infants,neonatal outcomes
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