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Generation of tidal volume via gentle chest pressure in children over one year old

Ban C H Tsui1, Sara Horne1, Jenkin Tsui1

  • 1Department of Anesthesiology and Pain Medicine, University of Alberta, Edmonton, Alberta, Canada.

Resuscitation
|March 10, 2015
PubMed

Insights

Gentle chest pressure in children can generate over 20% of tidal volume compared to mechanical ventilation. This technique may support temporary airflow in pediatric patients during emergencies.

Area of Science:

  • Pediatric Anesthesiology
  • Critical Care Medicine
  • Respiratory Physiology

Background:

  • Cardiopulmonary resuscitation (CPR) is vital for maintaining oxygenation during cardiac arrest.
  • Chest compressions during CPR aid circulation and short-term oxygenation in animal models.
  • This study investigated gentle chest pressure for generating tidal volume in pediatric patients.

Purpose of the Study:

  • To assess the efficacy of gentle chest pressure in generating tidal volume in pediatric subjects.
  • To compare tidal volumes generated by chest pressure with mechanical ventilation.
  • To evaluate the influence of airway status and surgery type on chest pressure-induced tidal volumes.

Main Methods:

  • A prospective cohort pilot study involving pediatric patients (<17 years) undergoing general anesthesia and endotracheal intubation.
  • Tidal volumes were measured before and after intubation by applying gentle chest pressure (≤ patient's weight).
  • Comparisons were made between unprotected and protected airways, and different surgery types.

Main Results:

  • Mean tidal volume with gentle chest pressure was 2.7 (unprotected) and 2.9 (protected) mL/kg.
  • Mechanical ventilation achieved a mean tidal volume of 13.6 mL/kg.
  • No statistically significant differences were found in tidal volumes based on airway status, surgery type, or age.

Conclusions:

  • Gentle chest pressure generated over 20% of the tidal volume achieved with mechanical ventilation in pediatric patients.
  • The findings suggest that gentle chest pressure can be a viable method for temporary airflow support in children.
  • This technique holds potential for use in pediatric emergency and critical care settings.
Abstract

Keywords:
Chest compressionsChildrenNon-invasive oxygenationResuscitation

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