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Surfactant Depletion Combined with Injurious Ventilation Results in a Reproducible Model of the Acute Respiratory Distress Syndrome (ARDS)
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High-frequency oscillatory ventilation in the management of respiratory distress syndrome

G Moriette1, A Brunhes, P H Jarreau

  • 1Service de Médecine Néonatale de Port-Royal, UFR Cochin Port-Royal, Université René Descartes, Paris, France. guy.moriette@cch.ap-hop-paris.fr

Biology of the Neonate
|June 1, 2000
PubMed

Insights

High-frequency oscillatory ventilation with high volume strategy (HFOV-HVS) did not improve lung outcomes in premature infants with respiratory distress syndrome (RDS) and increased hemorrhage risk. Management shifted to early rescue ventilation.

Area of Science:

  • Neonatal Medicine
  • Pediatric Respiratory Medicine
  • Critical Care

Background:

  • High-frequency oscillatory ventilation with a high volume strategy (HFOV-HVS) was investigated for reducing chronic lung disease in extremely premature infants with respiratory distress syndrome (RDS).
  • Previous animal studies showed promise, but clinical trial results have been inconsistent.

Purpose of the Study:

  • To evaluate the efficacy and safety of early HFOV-HVS in extremely premature infants with RDS.
  • To compare pulmonary outcomes and the incidence of severe intraventricular hemorrhage between HFOV-HVS and conventional ventilation.

Main Methods:

  • A multicenter trial involving extremely premature infants diagnosed with RDS.
  • Comparison of HFOV-HVS strategy against conventional ventilation.
  • Assessment of surfactant requirements, pulmonary outcomes, and severe intraventricular hemorrhage rates.

Main Results:

  • HFOV-HVS reduced the need for exogenous surfactant compared to conventional ventilation.
  • No significant improvement in pulmonary outcomes was observed with HFOV-HVS.
  • A notable increase in the risk of severe intraventricular hemorrhage was associated with HFOV-HVS.

Conclusions:

  • Early HFOV-HVS in extremely premature infants with RDS did not improve pulmonary outcomes and was linked to a higher risk of severe intraventricular hemorrhage.
  • These findings led to a revised management strategy, transitioning from elective HFOV to an early rescue approach for RDS.

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