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Title: A preliminary assessment of the LMA protector™ in non-paralysed patients
Authors: Sng, B.L 
Ithnin, F.B 
Mathur, D 
Lew, E 
Han, N.-L.R
Sia, A.T.-H 
Keywords: adult
airway leak pressure
airway pressure
clinical article
gynecologic care
insertion time
pilot study
retrospective study
sore throat
supraglottic airway device
vocal cord
clinical trial
digestive tract intubation
equipment design
general anesthesia
laryngeal mask
Anesthesia, General
Equipment Design
Intubation, Gastrointestinal
Laryngeal Masks
Pilot Projects
Issue Date: 2017
Publisher: BioMed Central Ltd.
Citation: Sng, B.L, Ithnin, F.B, Mathur, D, Lew, E, Han, N.-L.R, Sia, A.T.-H (2017). A preliminary assessment of the LMA protector™ in non-paralysed patients. BMC Anesthesiology 17 (1) : 26. ScholarBank@NUS Repository.
Abstract: Background: The LMA Protector™ is the latest CE marked single use supraglottic airway device. This airway device provides access and functional separation of the respiratory and digestive tracts. There are two ports (male, female ports) to provide suction in the laryngeal region and insertion of the gastric tube. The aim of our study is to assess the ease of use, airway quality, device positioning, airway leak and complications associated with initial clinical experience in LMA Protector™ usage. Methods: This is an initial investigation of LMA Protector™ airway device. We conducted a preliminary assessment in the anaesthetised women who underwent minor gynaecological procedures with spontaneous ventilation in order to evaluate the performance of the airway device. Results: Insertion was successful on first and second attempts in 23 (88.5%) and 3 (11.5%) respectively. Median [IQR (range)] insertion time was 19 [17-21(14-58)] seconds. Airway leak pressure was 25.5 [23-29(21-30] cmH2O. On fibreoptic examination via the device, vocal cords were visible in all 26 patients. There were no alternative airway use or airway manipulations required during maintenance of anaesthesia. Six patients had sore throat 24 h after procedures and there was no dysphagia or hoarseness. Conclusion: This pilot study of the LMA protector shows that the device is easily inserted with fast insertion time, providing a reliable and adequate airway seal. Trial registration: Registration NCT02531256. Retrospectively registered on August 21, 2015. © 2017 The Author(s).
Source Title: BMC Anesthesiology
ISSN: 14712253
DOI: 10.1186/s12871-017-0323-5
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