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A comparison of paediatric airway anatomy with the SimBaby high-fidelity patient simulator.
MedLine Citation:
PMID:  21237552     Owner:  NLM     Status:  Publisher    
BACKGROUND: The SimBaby high-fidelity patient simulator is a widely used paediatric simulator for the training of standard and critical airway management scenarios. Furthermore this simulator is frequently used for the evaluation of different airway devices and techniques. However, the anatomic structures of the SimBaby have not been compared to actual patients' anatomy. METHODS: The CT radiographic measures of the upper airway anatomy of two SimBaby simulators were compared to MRI images of the upper airway of 20 children aged 1-11 months who underwent routine MRI scans under sedation for diagnostic purposes. Various distances of the tongue, soft palate and pharynx, cross sectional areas and volumes of anatomic structures of the upper airway including the retroglossal airspace were compared. RESULTS: The SimBaby's retroglossal airspace volume greatly differed from the measurements in patients (SimBaby 5.3±0.4 vs. 1.9±0.8cm(3) in infants, p<0.01). Furthermore the distance from the alveolar process of the mandible to the posterior pharyngeal wall was larger in the SimBaby than in infants (5.8±0.1 vs. 4.5±0.5cm, p<0.001) and dimensions of the epiglottis and pharynx were larger in the Simbaby. CONCLUSION: The anatomic features of the SimBaby do not adequately simulate the upper airway anatomy of infants. These results imply inadequate realism of this simulator for airway training and compromise the validity of comparative trials of different airway devices with the SimBaby as airway model.
Karl Schebesta; Michael Hüpfl; Helmut Ringl; Anette-Marie Machata; Astrid Chiari; Oliver Kimberger
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-13
Journal Detail:
Title:  Resuscitation     Volume:  -     ISSN:  1873-1570     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0332173     Medline TA:  Resuscitation     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2010 Elsevier Ireland Ltd. All rights reserved.
Department of Anaesthesia, General Intensive Care and Pain Management, Medical University of Vienna, Austria.
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