Abstract
Background: The purpose of this study was to determine the relationship between the head position and the subsequent ease of nasotracheal intubation by using lightwand device TrachlightTM (TL). Methods: Patients requiring nasotracheal intubation were subdivided into three groups according to the intubated head position (Group S: sniffing position, Group E: extension position, Group N: neutral position). The number of attempts, the total intubation time, and the failures of the TL intubation were recorded. Intubation difficulty by means of TL was assessed by the original 6-point scale. Results: Of total 300 patients enrolled in the study, TL intubation was successful in the patients of 91.3%. No correlation between the original scale and the head position was observed. Conclusion: TL is an effective alternative for patients who require nasotracheal intubation. We could not find the favorable head position for nasotracheal intubation with TL, so we recommend that the nasotracheal intubation with TL should be started with neutral position and have to find the appropriate head position individually.
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