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Anesth Analg. 1994 Jun;78(6):1140-3.

A "bubble-tip" (Airguide) tracheal tube system: its effects on incidence of epistaxis and ease of tube advancement in the subglottic region during nasotracheal intubation.

Author information

1
Department of Anesthesia, Pain Control and Clinical Toxicology, Mito Saiseikai General Hospital, Ibaraki, Japan.

Abstract

Epistaxis and tubal obstruction in the subglottic region are difficulties encountered during nasotracheal intubation. Trauma to the nasal airway must be avoided, especially in patients receiving anticoagulant therapy. In addition, smooth passage of the tracheal tube through the larynx is desired. The tip of an Airguide tracheal tube system has a soft, round, glossy balloon head which should be less traumatic to the nasal mucosa than other more commonly used tubes. We, therefore, determined whether the Airguide reduces the incidence of epistaxis and increases smooth passage of the tracheal tube in the subglottic region during nasotracheal intubation. Sixty-six patients were divided into two groups, Airguide (n = 39) and Standard (n = 27). Each group was divided into two subgroups, topical epinephrine application as a mucosal decongestant and non-epinephrine. The incidences of epistaxis and smooth passage were compared between the two groups. The Airguide group had a significantly lower incidence of epistaxis (9/39 vs 13/26; P < 0.05; bleeding was not checked in one patient in the Standard group) and provided a significantly smoother passage in the subglottic region than the Standard group (tube impingement in the subglottic region, 0/39 vs 11/27; P < 0.01). There was no significant difference in the incidence of epistaxis between the subgroups with and without topical application of epinephrine. The Airguide helps to minimize epistaxis and increases navigability in the subglottic region during nasotracheal intubation.

PMID:
8198272
[Indexed for MEDLINE]

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