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J Korean Soc Emerg Med > Volume 26(6); 2015 > Article
Journal of The Korean Society of Emergency Medicine 2015;26(6): 563-570.
비숙련자에서 매킨토시 후두경과 일회용 후두경을 이용한 기관 삽관의 비교 : 마네킹연구
이은형1, 최재형1, 임훈1, 조영순1, 이정원1, 이보라2
1순천향대학교 응급의학교실
2순천향대학교 중앙의료원 의학통계상담실
Comparison of Tracheal Intubation Using the Macintosh Laryngoscope Versus the Disposable Laryngoscope by Inexperienced Personnel: A Manikin Study
Eun Hyeong Lee1, Jae Hyung Choi1, Hoon Lim1, Young Soon Cho1, Jung Won Lee1, Bora Lee2
1Department of Emergency Medicine, College of Medicine, Soonchunhyang University, Gyeonggido, Korea
2Department of Biostatistic Consulting, Soonchunhyang University Medical Center, Gyeonggido, Korea
Correspondence  Jae Hyung Choi ,Tel: 032) 621-5122, Fax: 032) 621-6950, Email: emracoon@gmail.com,
Received: June 26, 2015; Revised: June 30, 2015   Accepted: October 4, 2015.  Published online: December 30, 2015.
Disposable one piece laryngoscope (DOL), which probably carries a lower risk of infection than conventional reusable ones, is the only device which has received approval by the Korean Ministry of Food and Drug safety. In the current study, we evaluated the effectiveness and usefulness of the conventional Macintosh laryngoscope (MAC) and DOL in inexperienced personnel.
A randomized crossover trial was designed. Ninety seven participants (Medical students, Paramedic students) were enrolled and performed endotracheal intubation with MAC and DOL in Manikin (SimMan® Laedal Medical Corporation, Stravanger; Norway). Cormack-Lehane grade, the number of attempts, time required for intubation, and dental compression were measured to evaluate the effectiveness. The participants were given a questionnaire survey on the usefulness of laryngoscopes (easier to use, lightness, brightness, manageable to use, delivering power, safer for patients, intense to use).
Regarding the aspect of effectiveness, a significant difference in dental compression was observed between DOL and MAC (p=0.011). Others showed no significant differences. Regarding the aspect of usefulness, DOL was superior to MAC except in delivering power.
The DOL appears to be a reasonable device for use in emergency airway management. It should be verified for effectiveness and usefulness of newly developed equipment in emergency airway management because it is directly related to life.
Key words: Disposable equipment, Laryngoscopes, Intubation, Airway management
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