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The efficacy and usability of suction-based airway clearance devices for foreign body airway obstruction : a manikin randomised crossover trial

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Patterson, Emma, Tang, Ho Tsun, Ji, Chen, Perkins, Gavin D. and Couper, Keith (2021) The efficacy and usability of suction-based airway clearance devices for foreign body airway obstruction : a manikin randomised crossover trial. Resuscitation Plus, 5 . 100067. doi:10.1016/j.resplu.2020.100067

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Official URL: http://dx.doi.org/10.1016/j.resplu.2020.100067

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Abstract

Background:
Newly-developed suction-based airway clearance devices potentially provide a novel way to improve outcome in patients with foreign body airway obstruction. We conducted a randomised controlled crossover manikin trial to compare the efficacy and usability of two of these devices with abdominal thrusts.

Methods:
We randomised participants from a UK medical school to one of six groups which determined the order in which participants attempted the three techniques (abdominal thrusts; LifeVac, Nesconset, New York, USA; Dechoker, Concord North Carolina, USA). Randomisation was performed using an online randomisation system. Following brief training, participants sought to remove a foreign body airway obstruction from a manikin using the allocated technique. The primary outcome was successful removal of the foreign body. Usability was assessed in a questionnaire following the three simulations.

Results:
We randomised and analysed data from 90 participants (58% male; 86% aged 18−29 years). Compared with abdominal thrusts, successful foreign body airway obstruction removal was achieved more frequently in manikins in the LifeVac group (odds ratio 47.32, 95% CI 5.75–389.40) but not in the Dechoker group (odds ratio 1.22, 95% CI 0.60–2.47). The usability of LifeVac and abdominal thrusts were generally evaluated more positively than the Dechoker.

Conclusion:
In this manikin study, we found that, compared with abdominal thrusts, the success rate for foreign body airway obstruction removal was higher in the LifeVac group but not in the Dechoker group.

Item Type: Journal Article
Subjects: R Medicine > R Medicine (General)
R Medicine > RA Public aspects of medicine
R Medicine > RC Internal medicine
Divisions: Faculty of Medicine > Warwick Medical School > Health Sciences > Clinical Trials Unit
Faculty of Medicine > Warwick Medical School > Health Sciences
Faculty of Medicine > Warwick Medical School
Library of Congress Subject Headings (LCSH): Respiratory organs -- Obstructions , Respiratory organs -- Obstructions -- Treatment , Airway (Medicine), Asphyxia, Medical instruments and apparatus -- Evaluation
Journal or Publication Title: Resuscitation Plus
Publisher: Elsevier
ISSN: 2666-5204
Official Date: March 2021
Dates:
DateEvent
March 2021Published
8 January 2021Available
13 December 2020Accepted
Volume: 5
Article Number: 100067
DOI: 10.1016/j.resplu.2020.100067
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
UNSPECIFIEDNational Institute for Health Researchhttp://dx.doi.org/10.13039/501100000272

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