Evaluation of Four Supraglottic Devices Used by Paramedical Staff for Securing Airway in Simulated Emergency Airway Management

Overview

Journal Med J Armed Forces India

Specialty General Medicine

Date 2021 Jan 25

PMID 33487872

Authors

R N Verma

Navdeep Sethi

M S Honwad

S K Singh

Affiliations

Soon will be listed here.

Abstract

Background: Prehospital emergency airway management challenges every paramedic. Emergencies evacuated from difficult areas by armed forces need airway maintenance throughout evacuation. Effective use of supraglottic airway (SGA) devices during prehospital transfer is life saving. This study compared use of four commonly available SGAs by Armed Forces paramedics in simulated emergency situations.

Methods: This prospective observational study conducted in a tertiary care institution, included 58 volunteer paramedics. They were trained on manikins before the study in basic airway skills and insertion of the four SGA devices under study viz. Classic laryngeal mask airway (cLMA), laryngeal tube (LT), I-gel, and Combitube. SGA device insertions were performed on 474 patients scheduled for short elective surgical procedures under general anesthesia. All volunteers inserted and assessed the four SGA devices equal number of times in different patients. Overall success rate, time for successful insertion, first attempt success rate, number of attempts for successful insertion, oro-pharyngeal leak pressures, ease of insertion, durability of device, and complications were recorded.

Results: Differences among the four groups were statistically significant in all parameters. Intergroup comparison revealed that both I-gel and LT were comparable to each other, however superior to cLMA and Combitube in all outcome measures except ease of insertion and durability of device where I-gel was better and oro-pharyngeal seal pressures where Combitube was better.

Conclusion: Considering all parameters, I-gel proved superior with minimal complications compared with other SGA devices tested. I-gel may be recommended for emergency airway rescue use in patients by military paramedics.

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