Time to consider supraglottic airway device oropharyngeal leak pressure measurement more objectively

Oropharyngeal leak pressure (OLP) is considered a measure of successful placement, adequate performance and is a useful comparator between supraglottic airway devices (SADs). OLP measurement is based on the premise that the SAD is sited properly in the hypopharynx after blind placements, but the evi...

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Bibliographic Details
Published in:Acta anaesthesiologica Scandinavica 2021-02, Vol.65 (2), p.142-145
Main Authors: Kumar, Chandra M., Van Zundert, Tom C., Seet, Edwin, Van Zundert, André A.
Format: Article
Language:English
Subjects:
anaesthesia
Hypopharynx
intracuff pressure
malpositioning
oropharyngeal leak pressure
Pressure measurement
Respiratory tract
supraglottic airway devices
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Summary:Oropharyngeal leak pressure (OLP) is considered a measure of successful placement, adequate performance and is a useful comparator between supraglottic airway devices (SADs). OLP measurement is based on the premise that the SAD is sited properly in the hypopharynx after blind placements, but the evidence suggests otherwise. Several limitations and controversies surround OLP. This editorial addresses the uses and pitfalls of OLP, the rationale for and methods of ascertaining OLP, the pros and cons of OLP measurement and newer modalities to improve its accuracy.
ISSN:0001-5172
1399-6576
DOI:10.1111/aas.13727