The nasopharyngeal airway: Estimation of the nares-to-mandible and nares-to-tragus distance in young children to assess current clinical practice

Nasopharygeal airways are used in urgent situations to alleviate airway obstruction. Guidelines for measuring the length of the NPA differ between national and international guidelines, and the evidence base for these measurements is lacking. The purpose of this study was to measure the nares-epiglo...

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Bibliographic Details
Published in:Resuscitation 2019-07, Vol.140, p.50-54
Main Authors: Johnson, Mae, Miskovic, Alice, Ray, Samiran, Chong, Kling, Hickson, Melissa, Bingham, Bob, Skellett, Sophie
Format: Article
Language:English
Subjects:
Airway
Airway management
Airway obstruction
Child
Resuscitation
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Summary:Nasopharygeal airways are used in urgent situations to alleviate airway obstruction. Guidelines for measuring the length of the NPA differ between national and international guidelines, and the evidence base for these measurements is lacking. The purpose of this study was to measure the nares-epiglottis and nares-vocal cord distances in young children (neonates to 12 years) on 3D reconstructed Magnetic Resonance Imaging (MRI) brain volume scans, and to examine the relationship of these distances with the nares-tragus and nares-mandible distances. One-hundred and seventy-six scans were reviewed. All patients had undergone MRI 3D brain volume imaging. The anatomical landmarks were identified and the nares-tragus, nares-mandible distances measured and compared to nares-epiglottis and nares-vocal cord distance using Osirix. The nares-epiglottis and nares-vocal cords distances significantly correlated (p-value
ISSN:0300-9572
1873-1570
DOI:10.1016/j.resuscitation.2019.04.039