Association between fentanyl use and reduced risk of tension pneumothorax in extremely preterm infants born at 22-23

Tomonori Kurimoto1, Tokuhisa Takuya1, Hiroshi Ohashi1

  • 1Department of Neonatology, Perinatal Medical Center, Kagoshima City Hospital, Kagoshima, Japan.

Frontiers in Pediatrics
|October 20, 2025
PubMed

Insights

Fentanyl use may reduce the risk of tension pneumothorax in extremely preterm infants (22-23 weeks gestation). This finding could improve survival rates for vulnerable newborns.

Area of Science:

  • Neonatalogy
  • Pediatric Critical Care
  • Pharmacology

Background:

  • Tension pneumothorax is a critical, life-threatening complication in extremely preterm infants, particularly within 72 hours of birth.
  • Preventive strategies are essential for improving survival rates in this vulnerable population.

Purpose of the Study:

  • To investigate the association between fentanyl administration and the incidence of tension pneumothorax.
  • To evaluate the potential protective effect of fentanyl in extremely preterm infants born at 22-23 weeks of gestation.

Main Methods:

  • A retrospective case-control study was conducted involving 138 infants born between 22 weeks 0 days and 23 weeks 6 days gestation.
  • Logistic regression and propensity score matching were employed to control for confounding variables including chorioamnionitis, oligohydramnios, antenatal steroids, ventilation strategies, and perinatal center type.

Main Results:

  • Sixteen infants (11.6%) developed tension pneumothorax within 72 hours of birth, with a high mortality rate of 68.7%.
  • Fentanyl use was significantly associated with a reduced risk of tension pneumothorax (adjusted odds ratio: 0.1; 95% CI: 0.01-0.75).

Conclusions:

  • Fentanyl administration may be a protective factor against tension pneumothorax in extremely preterm infants (22-23 weeks gestation) within the first 72 hours of life.
  • Further randomized controlled trials are warranted to confirm these findings and explore long-term infant outcomes.
Abstract

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