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Neonatal ventilation strategies and long-term respiratory outcomes

Sandeep Shetty1, Anne Greenough2

  • 1Division of Asthma, Allergy and Lung Biology, MRC & Asthma UK Centre in Allergic Mechanisms of Asthma, King's College London, London, United Kingdom.

Early Human Development
|September 20, 2014
PubMed

Insights

Long-term respiratory issues are common in premature infants. Prophylactic high-frequency oscillatory ventilation may improve school-age respiratory and functional outcomes, even without reducing bronchopulmonary dysplasia.

Area of Science:

  • Neonatal Medicine
  • Pediatric Pulmonology
  • Respiratory Physiology

Background:

  • Long-term respiratory morbidity is a significant concern for infants, especially those born very prematurely with bronchopulmonary dysplasia (BPD).
  • While various neonatal strategies exist, meta-analyses suggest only volume-targeted ventilation and prophylactic high-frequency oscillatory ventilation (HFOV) may reduce BPD incidence.
  • The long-term impact of neonatal interventions on respiratory outcomes beyond BPD is not well-established.

Purpose of the Study:

  • To evaluate the long-term respiratory and functional outcomes of neonatal interventions.
  • To determine if early ventilation strategies influence outcomes at school age.
  • To advocate for long-term outcomes as primary endpoints in future neonatal ventilation trials.

Main Methods:

  • Review of meta-analyses of randomized controlled trials (RCTs) on neonatal ventilation strategies.
  • Analysis of long-term follow-up data from RCTs, including one study with school-age assessments.
  • Comparison of outcomes between infants receiving different neonatal ventilation approaches.

Main Results:

  • Prophylactic HFOV demonstrated improved respiratory and functional outcomes at school age in one RCT.
  • This improvement in outcomes with prophylactic HFOV occurred despite no significant reduction in BPD rates.
  • Other neonatal interventions' impacts on BPD did not consistently translate to improved long-term outcomes.

Conclusions:

  • Neonatal ventilation strategies should prioritize long-term respiratory and functional outcomes.
  • Prophylactic HFOV may offer benefits extending to school age, independent of BPD reduction.
  • Future neonatal ventilation RCTs must incorporate long-term outcome measures to guide clinical practice effectively.

Keywords:
Bronchopulmonary dysplasiaLong-term follow upNeonatal ventilationNeonateRespiratory outcomesVentilation

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