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Validating Lung Models Using the ASL 5000 Breathing Simulator.

Amanda Dexter¹, Neil McNinch, Destiny Kaznoch

¹From the Respiratory Care Program (A.D.), Rush University, Chicago, IL; Department of Kinesiology (A.D.), University of North Carolina at Charlotte, Charlotte, NC; Rebecca D Considine Research Institute (N.M.), Akron Children's Hospital, Akron; Kent State University (D.K.), Kent; and Nursing Administration (T.A.V.), Akron Children's Hospital, Akron, OH.

Simulation in Healthcare : Journal of the Society for Simulation in Healthcare

|January 19, 2018

Summary

This study validated pediatric pulmonary mechanics models using the ASL 5000. Despite minor inconsistencies, the models proved accurate for clinical use, highlighting the need for pre-use evaluation.

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Area of Science:

Pediatric respiratory physiology
Biomedical engineering
Clinical validation studies

Background:

Accurate simulation of pediatric pulmonary mechanics is crucial for understanding respiratory diseases.
Existing models require validation against real-world clinical data.

Purpose of the Study:

To validate pediatric models of normal and altered pulmonary mechanics.
To assess the accuracy of the ASL 5000 in simulating respiratory parameters.

Main Methods:

Literature search of PubMed and CINAHL for pediatric pulmonary mechanics data.
Construction of models using the ASL 5000 with parameters like tidal volume (VT) and inspiratory time (TI).
Statistical comparison of modeled data against abstracted clinical data using t tests and repeated measures analyses.

Main Results:

Modeled VT and TI showed statistically significant differences from clinical data (P < 0.01).
The greatest magnitude of differences was negligible (VT < 1.6%, TI = 18%) and not clinically relevant.
The ASL 5000 models demonstrated accuracy for the study's objectives.

Conclusions:

Inconsistencies were observed in ASL 5000-constructed models.
The models were deemed accurate for the study's purposes.
Pre-use testing and evaluation of model differences are essential.