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Comparative Study of Prehospital Airway Devices Tested Using a Manikin Model: A Comparison of the Laryngeal Mask Airway Classic (LMA Classic(TM)), Cobra Perilaryngeal Airway (Cobra PLA(TM)) and the King Laryngeal Tube (King LT(TM))

Other Title
마네킹을 이용한 병원 전 기도유지도구에 대한 비교 연구 -LMA Classic(TM), Cobra PLA(TM) 및 King LT(TM) 비교
김, 유라; 이, 형연; 김, 기운; 조, 희숙; 정, 진희
Taehan Ŭnggup Ŭihakhoe chi, 21(6):776-782, 2010
Journal Title
Taehan Ŭnggup Ŭihakhoe chi; Journal of the Korean Society of Emergency Medicine; 대한응급의학회지
Purpose: Prehospital airway management is crucial to emergency healthcare providers, especially for emergency medical technicians (EMTs). In spite of its clinical importance, adequate airway management cannot be guaranteed only with the use of endotracheal intubation. Many supraglottic airway devices have been introduced as substitutes for endotracheal intubation. We compared 3 such devices - LMA ClassicTM, Cobra PLATM and King LTTM - using a manikin and recorded performance skill and preference.

Methods: Thirty EMTs participated in the airway management educational program and were enrolled in this study which was held in the Gyeong-Gi Fire Academy. We surveyed the participants general characteristics and experience by e-mail prior to this laboratory study of their skills. The airway management program consisted of a 10 minute lecture followed by 20 minutes of skill training. We observed the success rate, preference among the 3 devices, and the total procedure time of airway device insertion in different rooms.

Results: The LMA ClassicTM, Cobra PLATM and King LTTM groups succeeded 90%, 76.7%, and 80%, respectively at the first trial. There was no statistically significant difference among the groups (p=0.372). To achieve adequate airway management, the groups spent 28.6±7.2, 24.7±4.9, and 26.9±7.0 seconds, respectively, again with no significant differences (p=0.108). A preference survey performed after the test showed the highest preference for King LTTM, 57%.

Conclusion: Three prehospital supraglottic airway devices showed no differences in success rate or procedure time. Despite this result, King LTTM was the most preferred.
Prehosp ital emergency careEmergency medical techniciansLaryngeal masks
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Emergency Medicine
AJOU Authors
김, 기운
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