• Br J Anaesth · Jun 1993

    Randomized Controlled Trial Clinical Trial

    Tracheal tube cuff inflation as an aid to blind nasotracheal intubation.

    • A C van Elstraete, J H Pennant, N M Gajraj, and R A Victory.
    • Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas 75235-9068.
    • Br J Anaesth. 1993 Jun 1; 70 (6): 691-3.

    AbstractWe have assessed the efficacy of tracheal tube cuff inflation in the oropharynx as an aid to blind nasotracheal intubation in 20 ASA I and II patients undergoing elective oral surgery. The trachea was intubated once using the technique of tracheal tube cuff inflation in the oropharynx and once keeping the tracheal tube cuff deflated throughout the manoeuvre. With the cuff deflated, intubation was successful in nine of 20 (45%) patients; in eight of 20 (40%) it was successful on the first attempt. With the tracheal tube cuff inflated, intubation was successful in 19 of 20 patients (95%), 15 of 20 (75%) of these on the first attempt. The success rates were significantly different (P < 0.01). Times to intubate were not significantly different (P > 0.05). We conclude that, in normal patients, tracheal tube cuff inflation in the oropharynx increases the success rate of blind nasotracheal intubation.

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