Breathing circuit compliance and accuracy of displayed tidal volume during pressure-controlled ventilation of infants: A quality improvement project

Paediatric Anaesthesia
Todd A GlenskiRobert H Friesen

Abstract

Anesthesia machines have evolved to deliver desired tidal volumes more accurately by measuring breathing circuit compliance during a preuse self-test and then incorporating the compliance value when calculating expired tidal volume. The initial compliance value is utilized in tidal volume calculation regardless of whether the actual compliance of the breathing circuit changes during a case, as happens when corrugated circuit tubing is manually expanded after the preuse self-test but before patient use. We noticed that the anesthesia machine preuse self-test was usually performed on nonexpanded pediatric circuit tubing, and then the breathing circuit was subsequently expanded for clinical use. We aimed to demonstrate that performing the preuse self-test in that manner could lead to incorrectly displayed tidal volume on the anesthesia machine monitor. The goal of this quality improvement project was to change the usual practice and improve the accuracy of displayed tidal volume in infants undergoing general anesthesia. There were four stages of the project: (i) gathering baseline data about the performance of the preuse self-test and using infant and adult test lungs to measure discrepancies of displayed tidal volumes when breath...Continue Reading

Associated Clinical Trials

References

May 26, 2001·Anesthesiology·J M Feldman, J Smith
Nov 29, 2005·Annales Françaises D'anesthèsie Et De Rèanimation·I Odin, N Nathan
Nov 29, 2005·Anesthesiology Clinics of North America·Stephen Stayer, Olutoyin Olutoye
Feb 19, 2008·Clinics in Perinatology·J Davin Miller, Waldemar A Carlo
Apr 19, 2008·Anesthesia and Analgesia·Patricia R BachillerJeffrey M Feldman
Oct 25, 2013·Paediatric Anaesthesia·Roland P Neumann, Britta S von Ungern-Sternberg
Jan 28, 2015·Anesthesia and Analgesia·Jeffrey M Feldman

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Citations

Aug 3, 2019·Paediatric Anaesthesia·Meghan Cooney, Walid Habre
Jan 10, 2020·Journal of Anesthesia·Hyerim KimJin-Young Hwang
Dec 12, 2017·Paediatric Anaesthesia·Narasimhan Jagannathan, Britta S von Ungern-Sternberg
Aug 9, 2020·Medical Devices : Evidence and Research·Yoshikazu YamaguchiTakahisa Goto
Aug 14, 2021·Reviews on Recent Clinical Trials·Christian ZanzaFabrizio Racca

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