Ultrasound evaluation of the impact of cricoid pressure versus novel ‘paralaryngeal pressure’ on anteroposterior oesophageal diameter

Summary To assess the degree to which cricoid pressure (Sellick manoeuvre) actually compresses the oesophagus, we measured the effect of cricoid pressure and paralaryngeal pressure on the outer anteroposterior diameter of the upper oesophagus with ultrasound in 39 healthy volunteers. The mean (SD) o...

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Bibliographic Details
Published in:Anaesthesia 2016-09, Vol.71 (9), p.1024-1029
Main Authors: Andruszkiewicz, P., Wojtczak, J., Wroblewski, L., Kaczor, M., Sobczyk, D., Kowalik, I.
Format: Article
Language:English
Subjects:
Adult
Airway management
anaesthesia
Anesthesia
Body Weights and Measures - methods
Cricoid Cartilage - physiology
cricoid pressure
Esophagus
Esophagus - anatomy & histology
Esophagus - diagnostic imaging
Female
Humans
intubation
Larynx - physiology
Male
Pressure
Prospective Studies
Reference Values
regurgitation
Ultrasonography - methods
ultrasound
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Summary:Summary To assess the degree to which cricoid pressure (Sellick manoeuvre) actually compresses the oesophagus, we measured the effect of cricoid pressure and paralaryngeal pressure on the outer anteroposterior diameter of the upper oesophagus with ultrasound in 39 healthy volunteers. The mean (SD) outer anteroposterior oesophageal diameter was 0.77 (0.11) cm with no pressure, 0.79 (0.13) cm with the application of cricoid pressure of 30 N and 0.68 (0.12) cm with the application of paralaryngeal pressure of 30 N (p 
ISSN:0003-2409
1365-2044
DOI:10.1111/anae.13518