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Related Experiment Video

Updated: Feb 24, 2026

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Neural breathing pattern in newborn infants pre- and postextubation.

Narayan P Iyer1, John Dickson1, Michelle E Ruiz1

  • 1Department of Neonatology, Cleveland Clinic Children's Hospital, Cleveland, OH, USA.

Acta Paediatrica (Oslo, Norway : 1992)
|August 24, 2017
PubMed
Summary

Extubation failure in newborns was linked to a smaller increase in diaphragm electrical activity (EAdi) after removal of breathing support. This finding may explain why some preterm infants struggle after extubation.

Keywords:
DiaphragmExtubationNeurally adjusted ventilatory assistNewbornRespiratory drive

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Area of Science:

  • Neonatal physiology
  • Respiratory control
  • Pediatric critical care

Background:

  • Extubation failure is a significant concern in neonatal intensive care.
  • Understanding the neural breathing patterns post-extubation is crucial for predicting success.
  • Diaphragm electrical activity (EAdi) reflects neural respiratory drive.

Purpose of the Study:

  • To characterize the neural breathing pattern, measured by EAdi, before and after extubation in newborn infants.
  • To identify differences in EAdi patterns between successful and failed extubations.

Main Methods:

  • Prospective, observational study involving 25 neonates undergoing 29 extubations.
  • Continuous recording of EAdi from 30 minutes before to 2 hours after extubation.
  • Comparison of EAdi parameters (EAdi-max and EAdi-delta) between infants who succeeded and failed extubation (re-intubation within 72 hours).

Main Results:

  • A total of 10 out of 29 extubations resulted in re-intubation.
  • Both successful and failed extubations showed an increase in peak EAdi (EAdi-max) and EAdi-delta post-extubation.
  • The increase in EAdi-max and EAdi-delta was significantly smaller in infants who failed extubation compared to those who succeeded (p=0.02 and p=0.01, respectively).

Conclusions:

  • A blunted increase in peak and delta EAdi following extubation is associated with extubation failure in neonates.
  • This diminished neural respiratory response may be a key factor contributing to extubation failure in preterm infants.
  • Further research is needed to confirm these findings and explore potential interventions.