Asymptomatic full-term infants born to women with chorioamnionitis may not need routine antibiotics
ACTA PAEDIATRICA(2021)
Abstract
Aim While infants with early-onset sepsis require antibiotics, there is little evidence to support their routine use in asymptomatic infants exposed to maternal chorioamnionitis. We aimed to ascertain the incidence of culture-proven sepsis in full-term infants exposed to chorioamnionitis and to determine whether asymptomatic infants need routine antibiotic treatment. Methods This study was retrospective. Included were all full-term infants admitted to our neonatal intensive care unit between 1 January 2017 and 31 May 2018 who were given intravenous antibiotics for maternal chorioamnionitis. After identifying eligible infants, relevant maternal and infant data were collected from our medical records and the Neonatal Intensive Care Units Database. Results We selected 167 term infants from 7736 deliveries. The incidence of chorioamnionitis was 21 per 1000 deliveries. The mean gestational age was 39 weeks (range 37-41), and 57% infants were male. Asymptomatic infants (76%) received intravenous antibiotics for an average of 2 days compared to 4 days in the symptomatic group (24%), p < 0.001. No infant died or developed culture-positive sepsis. Conclusion The risk of early-onset sepsis in well-appearing term infants of mothers with chorioamnionitis is low. Further studies are mandatory to determine whether asymptomatic infants of mothers with clinical chorioamnionitis need antibiotic treatment.
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Key words
antibiotic stewardship, early-onset sepsis, maternal chorioamnionitis
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