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. 2022 Aug;129(9):1560-1573.
doi: 10.1111/1471-0528.17081. Epub 2022 Jan 13.

Antibiotic prophylaxis in preterm premature rupture of membranes at 24-31 weeks' gestation: Perinatal and 2-year outcomes in the EPIPAGE-2 cohort

Collaborators, Affiliations

Antibiotic prophylaxis in preterm premature rupture of membranes at 24-31 weeks' gestation: Perinatal and 2-year outcomes in the EPIPAGE-2 cohort

Elsa Lorthe et al. BJOG. 2022 Aug.

Abstract

Objective: To compare different antibiotic prophylaxis administered after preterm premature rupture of membranes to determine whether any were associated with differences in obstetric and/or neonatal outcomes and/or neurodevelopmental outcomes at 2 years of corrected age.

Design: Prospective, nationwide, population-based EPIPAGE-2 cohort study of preterm infants.

Setting: France, 2011.

Sample: We included 492 women with a singleton pregnancy and a diagnosis of preterm premature rupture of membranes at 24-31 weeks. Exclusion criteria were contraindication to expectant management or indication for antibiotic therapy other than preterm premature rupture of membranes. Antibiotic prophylaxis was categorised as amoxicillin (n = 345), macrolide (n = 30), third-generation cephalosporin (n = 45) or any combinations covering Streptococcus agalactiae and >90% of Escherichia coli (n = 72), initiated within 24 hours after preterm premature rupture of membranes.

Methods: Population-averaged robust Poisson models.

Main outcome measures: Survival at discharge without severe neonatal morbidity, 2-year neurodevelopment.

Results: With amoxicillin, macrolide, third-generation cephalosporin and combinations, 78.5%, 83.9%, 93.6% and 86.0% of neonates were discharged alive without severe morbidity. The administration of third-generation cephalosporin or any E. coli-targeting combinations was associated with improved survival without severe morbidity (adjusted risk ratio 1.25 [95% confidence interval 1.08-1.45] and 1.10 [95 % confidence interval 1.01-1.20], respectively) compared with amoxicillin. We evidenced no increase in neonatal sepsis related to third-generation cephalosporin-resistant pathogen.

Conclusion: In preterm premature rupture of membranes at 24-31 weeks, antibiotic prophylaxis based on third-generation cephalosporin may be associated with improved survival without severe neonatal morbidity when compared with amoxicillin, with no evidence of increase in neonatal sepsis related to third-generation cephalosporin-resistant pathogen.

Tweetable abstract: Antibiotic prophylaxis after PPROM at 24-31 weeks: 3rd-generation cephalosporins associated with improved neonatal outcomes.

Keywords: amoxicillin; antenatal management; cephalosporins; latency; macrolides; neurodevelopment; obstetric intervention; perinatal outcome; prematurity; prophylactic antibiotics.

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Conflict of interest statement

None declared. Completed disclosure of interest forms are available to view online as supporting information.

Figures

FIGURE 1
FIGURE 1
Flow chart. Summarises how sample size of analysis was obtained. PPROM, preterm premature rupture of membranes

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