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http://dx.doi.org/10.14408/KJEMS.2014.18.2.035

Comparison of bimanual laryngoscopy, backward-rightward pressure, and cricoid pressure in difficult airway management: A manikin study  

Choi, Hea-Kyung (Department of Emergency Medical Service, Eulji University)
Jung, Hyung-Keon (Department of Emergency Medical Service, Eulji University)
Publication Information
The Korean Journal of Emergency Medical Services / v.18, no.2, 2014 , pp. 35-43 More about this Journal
Abstract
Purpose: The purpose of this study was to establish novice user guidelines for efficient external laryngeal manipulation for intubation in difficult airway management. Methods: This study included 59 pre-qualified junior and senior emergency medical service students. The participants were instructed at random to intubate a manikin equipped with a cervical collar, thus simulating a difficult airway, using three types of external laryngeal manipulation: bimanual laryngoscopy, backward-rightward pressure, and cricoid pressure. The resultant intubation time and glottic view grade scores were estimated. Results: Intubation time was longest using the bimanual manipulation method, followed by cricoid pressure and backward-rightward pressure. A low Cormack-Lehane glottic view score was obtained regardless of the assisted compression method used. Conclusion: Backward-rightward pressure may be the most efficient method of external laryngeal manipulation on the basis of the intubation time and improvement in glottic view.
Keywords
Bimanual manipulation; Cricoid pressure; Backward-rightward pressure; Cormack-Lehane glottic view;
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