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[Extremely preterm birth in Sweden - clear progress but remaining challenges].

David Ley1, Thomas Abrahamsson2, Magnus Domellöf3

  • 1Lunds University Faculty of Medicine - Pediatrics Lund, Sweden Lunds University Faculty of Medicine - Pediatrics Lund, Sweden.

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Summary

Extremely preterm infants born in Sweden show high survival rates due to centralized care and national guidelines. However, significant neonatal morbidity persists, necessitating new interventions for better long-term outcomes.

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Area of Science:

  • Neonatalogy
  • Perinatal Medicine
  • Public Health

Background:

  • Sweden has achieved high survival rates for extremely preterm infants.
  • Centralized perinatal care and national guidelines (22-24 weeks gestation) contribute to improved survival.
  • Despite survival gains, major neonatal morbidity remains a significant challenge, exceeding 60% in some cohorts.

Purpose of the Study:

  • To highlight the ongoing challenge of neonatal morbidity in extremely preterm infants.
  • To emphasize the need for novel, evidence-based interventions.
  • To improve long-term functional outcomes for surviving infants.

Main Methods:

  • Analysis of survival and morbidity data for extremely preterm infants born in Sweden.
  • Review of national consensus guidelines for perinatal care.
  • Assessment of the impact of neonatal organ system damage on long-term development.

Main Results:

  • High survival rates for extremely preterm infants in Sweden.
  • Persistent high prevalence of major neonatal morbidity (over 60%) in infants surviving to one year.
  • Acknowledgement of lasting functional impairments due to neonatal organ damage.

Conclusions:

  • While survival has improved, reducing neonatal morbidity is critical.
  • Novel interventions are urgently required to prevent organ damage and improve long-term health.
  • Further research into evidence-based strategies is essential for optimizing outcomes.