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KMID : 0352120150300010020
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Journal of Kyung Hee University
2015 Volume.30 No. 1 p.20 ~ p.24
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Comparison of the Pentax AWS® with the Macintosh Laryngoscope for Nasotracheal Intubation
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Sim Yeo-Hae
Park Sung-Jun
Kim Keon-Sik
Kim Mi-Kyung
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Abstract
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Purpose: Pentax-Airway Scopeⓡ system (AWS; Pentax Corporation, Tokyo, Japan) can facilitate tracheal intubation. In this study, We assessed the Pentax- AWS compared with Macintosh laryngoscope whether it increase the success rate of intubation and provide a better field of vision in the oral and maxillofacial surgery patients requiring nasotracheal intubation.
Methods: The control and experimental groups of 31 were randomly assigned to each of the oral and maxillofacial surgery patients requiring nasotracheal intubation under general anesthesia. The patient``s preoperative Mallampati classification, thyromental distance and interincisor distance was measured. The primary endpoint was the spending time of intubation. After successful intubation, practitioners were recorded Cormack and Lehane grade and ease of intubation.
Results: Time for nasotracheal intubation with the Pentax-AWS (mean 71 [SD 21.7] sec) was significantly shorter than with the Macintosh laryngoscope (mean 96 [SD 37.4] sec]. There was no significant difference in the number of intubation attempts between the two groups. The Pentax-AWS had a good visibility by Cormack and Lehane classification. Ease of intubation was showed significantly in pentax-AWS group.
Conclusion: The Pentax-AWS ensure a better field of view and short time of intubation compared to the Macintosh laryngoscope in nasotracheal intubation for the oral and maxillofacial surgery.
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KEYWORD
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Laryngoscope, Intubation, Equipment
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