• T Arai, T Nagaro, S Namba, K Amakawa, N Higaki, C Kutsuna, N Adachi, and E Tabo.
• Department of Anesthesiolgy and Resuscitology, Ehime University School of Medicine.
• Masui. 1996 Feb 1; 45 (2): 244-8.

AbstractWe tried 72 fiberoptic tracheal intubations (FTI) using a mouth mask in difficult intubation cases. In this method, ventilation is performed via only the mouth using a mask applied over the mouth (mouth mask) and FTI can be done via a nostril with no hindrance from the mask in anesthetized patients. We have been using an infant or child type Seal Mask (Gibeck Respiration) for the mouth mask or a specially made mouth mask. An oral airway is usually inserted and the nostril of one side is plugged with cotton. FTI is performed by another anesthesiologist. An endotracheal (ET) tube capped with a rubber diaphragm is passed through another nostril, and a fiberscope is inserted through the ET tube. The subsequent technique is the same as that of the usual FTI for awake patients. Intubations were successful in all cases except 2; in one, ventilation was impaired even with oral airway in place, and in the other, bleeding in upper airway due to jaw injury from traffic accident hindered the sight of the scope. Mouth mask method for FTI is safe, useful and practical in difficult intubations with little discomfort to the patient.

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