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Related Experiment Video

Updated: Jan 4, 2026

Expired CO2 Measurement in Intubated or Spontaneously Breathing Patients from the Emergency Department
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Paediatric exhaled CO2 detector causes leaks.

Tessa Martherus1, Annika den Hoed2, Sophie J E Cramer2

  • 1Neonatology, Leiden University Medical Center, Leiden, Zuid-Holland, The Netherlands t.martherus@lumc.nl.

Archives of Disease in Childhood. Fetal and Neonatal Edition
|October 31, 2019
PubMed
Summary
This summary is machine-generated.

The Pedi-Cap device frequently causes significant respiratory support leaks, originating from its male end. Removing the Pedi-Cap after its color change is recommended to prevent compromised ventilation.

Keywords:
Pedi-Capendotracheal intubationleakrespiratory support

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Area of Science:

  • Neonatal care
  • Respiratory support devices
  • Medical device safety

Background:

  • The Pedi-Cap is a device used during respiratory support for neonates.
  • Ensuring a secure seal is critical for effective respiratory support and preventing air leaks.

Purpose of the Study:

  • To evaluate the extent and origin of air leaks associated with the Pedi-Cap.
  • To determine if Pedi-Cap usage compromises respiratory support.

Main Methods:

  • Bench testing using a Neopuff and test lung submerged in water to identify leaks.
  • Quantitative leak measurement using a disposable Avea VarFlex Flow Transducer.
  • Retrospective analysis of delivery room intubation recordings.

Main Results:

  • Leaks predominantly originated from the male end of the Pedi-Cap.
  • Bench testing revealed significant leaks in 32% of Pedi-Caps, with an additional 34% leaking until sealed.
  • Flow transducer measurements showed 22% leakage in bench tests and 39% in retrospective analysis, decreasing to 4% after Pedi-Cap removal.

Conclusions:

  • The Pedi-Cap is a source of air leaks that can compromise neonatal respiratory support.
  • Recommendations include prompt Pedi-Cap removal after color change and caution when using it as an evaluation tool.