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Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned...
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Additional work of breathing from trigger errors in mechanically ventilated children.

Robert G T Blokpoel1, Alette A Koopman2, Jefta van Dijk2

  • 1Department of Paediatrics, Division of Paediatric Intensive Care, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, Internal Postal Code CA 62, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands. r.g.t.blokpoel@umcg.nl.

Respiratory Research
|November 11, 2020
PubMed
Summary

Trigger errors in pediatric mechanical ventilation significantly increase work-of-breathing, potentially up to 40%. Reducing these errors is key for better patient outcomes in pediatric intensive care.

Keywords:
Ineffective triggeringMechanical ventilationPaediatricPatient self-inflicted-lung injuryPatient–ventilator asynchronyWork-of-breathing

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Area of Science:

  • Pediatric Critical Care Medicine
  • Respiratory Physiology
  • Mechanical Ventilation

Background:

  • Patient-ventilator asynchrony is linked to poor outcomes in ventilated patients.
  • Trigger errors may cause excessive pleural pressure swings, increasing work-of-breathing and lung injury.
  • The direct impact of patient-ventilator asynchrony on clinical outcomes requires further investigation.

Purpose of the Study:

  • To quantify the additional work-of-breathing and pleural pressure swings resulting from trigger errors in mechanically ventilated children.
  • To investigate the relationship between trigger errors and patient-ventilator interaction.

Main Methods:

  • Prospective observational study in a tertiary pediatric intensive care unit.
  • Recorded ventilator and esophageal pressure data in children ventilated for over 24 hours.
  • Calculated pressure-time product for work-of-breathing and measured esophageal pressure swings during trigger errors.

Main Results:

  • Identified 959 trigger errors across 28 pediatric patients.
  • Trigger errors caused significant, variable increases in work-of-breathing.
  • Higher spontaneous breathing rates correlated with fewer trigger errors.

Conclusions:

  • Trigger errors can contribute substantially (30-40%) to the total work-of-breathing in ventilated children.
  • Spontaneously breathing patients with higher pressure generation experienced fewer trigger errors.