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Article Dans Une Revue Acta Paediatrica Année : 2022

Birth outcomes between 22 and 26 weeks' gestation in national population‐based cohorts from Sweden, England and France

Samantha Johnson

Résumé

Aim: We investigated the timing of survival differences and effects on morbidity for foetuses alive at maternal admission to hospital delivered at 22 to 26 weeks’ gestational age (GA). Methods: Data from the EXPRESS (Sweden, 2004–07), EPICure-2 (England, 2006) and EPIPAGE-2 (France, 2011) cohorts were harmonised. Survival, stratified by GA, was analysed to 112 days using Kaplan-Meier analyses and Cox regression adjusted for population and pregnancy characteristics; neonatal morbidities, survival to discharge and follow-up and outcomes at 2–3 years of age were compared. Results: Among 769 EXPRESS, 2310 EPICure-2 and 1359 EPIPAGE-2 foetuses, 112-day survival was, respectively, 28.2%, 10.8% and 0.5% at 22–23 weeks’ GA; 68.5%, 40.0% and 23.6% at 24 weeks; 80.5%, 64.8% and 56.9% at 25 weeks; and 86.6%, 77.1% and 74.4% at 26 weeks. Deaths were most marked in EPIPAGE-2 before 1 day at 22–23 and 24 weeks GA. At 25 weeks, survival varied before 28 days; differences at 26 weeks were minimal. Cox analyses were consistent with the Kaplan-Meier analyses. Variations in morbidities were not clearly associated with survival. Conclusion: Differences in survival and morbidity outcomes for extremely preterm births are evident despite adjustment for background characteristics. No clear relationship was identified between early mortality and later patterns of morbidity.
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Origine : Publication financée par une institution

Dates et versions

hal-03350817 , version 1 (21-09-2021)

Identifiants

Citer

Andrei S Morgan, Jennifer Zeitlin, Karin Källén, Elizabeth S Draper, Karel Marsal, et al.. Birth outcomes between 22 and 26 weeks' gestation in national population‐based cohorts from Sweden, England and France. Acta Paediatrica, inPress, 111 (1), pp.59-75. ⟨10.1111/apa.16084⟩. ⟨hal-03350817⟩
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