Do very preterm twins and singletons differ in their neurodevelopment at 5 years of age? - Archive ouverte HAL Access content directly
Journal Articles Archives of disease in childhood. Fetal and neonatal edition Year : 2013

Do very preterm twins and singletons differ in their neurodevelopment at 5 years of age?

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Jennifer Zeitlin
Béatrice Blondel
  • Function : Author
Catherine Arnaud
Jeanne Fresson
  • Function : Author
Antoine Burguet
  • Function : Author
Damien Subtil
  • Function : Author
Stéphane Marret
Jean-Christophe Rozé
  • Function : Author
Laetitia Marchand-Martin
  • Function : Author
Pierre-Yves Ancel
  • Function : Author
Monique Kaminski

Abstract

Objective: Twins have inconsistently shown poorer outcomes than singletons. Although a high proportion of twins are born very preterm, data are sparse on the long-term outcomes in very preterm twins. The objective of this study was to compare mortality and neurodevelopmental outcomes of very preterm singletons and twins and to study outcomes in relation to factors specific to twins. Design: Birth cohort study Etude Epidemiologique sur les Petits Ages Gestationnels (EPIPAGE). Setting: Nine regions in France. Patients: All very preterm live births occurring from 22 to 32 weeks of gestation in all maternity wards of nine French regions in 1997 (n=2773). Main outcomes measures: Neurodevelopmental status, including cerebral palsy, and a cognitive assessment with the Kaufman Assessment Battery for Children, with scores on the Mental Processing Composite (MPC) scale, was available for 1732 and 1473 children at 5 years of age, respectively. Results: Among live births, twins had higher hospital mortality than singletons (adjusted (a)OR: 1.4 (95% CI 1.1 to 1.9)). Among survivors, there was no crude difference at 5 years between twins and singletons in the prevalence of cerebral palsy (8.0% vs 9.1%, respectively), MPC <70 (9.5% vs 11.1%) and mean MPC (94.6 vs 94.4). However, after adjustment for sex, gestational age, intrauterine growth restriction and social factors, twins were more likely to have lower MPC scores (mean difference: -2.4 (95% CI-4.8 to 0.01)). Live born twins had a higher risk of mortality when birth weight discordance was present (aOR:2.9 (95% CI 1.7 to 4.8)), but there were no differences in long-term outcomes. Conclusions: Compared with very preterm singletons, twins had higher mortality, no difference with respect to severe deficiencies, but slightly lower MPC scores at 5 years.

Dates and versions

hal-03118729 , version 1 (22-01-2021)

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Florence Bodeau-Livinec, Jennifer Zeitlin, Béatrice Blondel, Catherine Arnaud, Jeanne Fresson, et al.. Do very preterm twins and singletons differ in their neurodevelopment at 5 years of age?. Archives of disease in childhood. Fetal and neonatal edition, 2013, 98 (6), pp.F480-F487. ⟨10.1136/archdischild-2013-303737⟩. ⟨hal-03118729⟩
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