• Anesthesia and analgesia · Aug 1998

    Randomized Controlled Trial Comparative Study Clinical Trial

    Nasotracheal intubation in patients with immobilized cervical spine: a comparison of tracheal tube cuff inflation and fiberoptic bronchoscopy.

    • A C Van Elstraete, J C Mamie, and H Mehdaoui.
    • Department of Anesthesiology, Saint-Paul Medical Center, Fort-de-France, Martinique, France.
    • Anesth. Analg. 1998 Aug 1;87(2):400-2.

    UnlabelledTracheal intubation may pose problems in patients with cervical spine injury (CSI). In patients without CSI, the success rate of blind nasotracheal intubation is increased by endotracheal tube (ETT) cuff inflation in the pharynx. The purpose of this study was to assess the efficacy of ETT cuff inflation in the pharynx as an aid to blind nasotracheal intubation in patients with an immobilized cervical spine. The technique was compared with fiberoptic bronchoscopy. Twenty ASA physical status I and II patients undergoing elective surgery in which the trachea was to be intubated nasally were enrolled in this prospective, randomized study. The cervical spine of each patient was immobilized. The trachea of each patient was intubated twice, once using fiberoptic bronchoscopy and once blindly using the technique of ETT cuff inflation in the pharynx. A maximum of three attempts was allowed for intubation using ETT cuff inflation. A maximum of 3 min was allowed for intubation using fiberoptic bronchoscopy. When ETT cuff inflation was used, intubation was successful in 19 of 20 patients (95%); the first attempt at intubation was successful in 14 of 20 patients (70%). Intubation was successful in 19 of 20 patients (95%) when using fiberoptic bronchoscopy. Mean times to intubate were 20.8 +/- 23 s when the ETT cuff was inflated in the pharynx and 60.1 +/- 56 s when using fiberoptic laryngoscopy (P < 0.01). We conclude that both ETT cuff inflation in the pharynx and fiberoptic bronchoscopy are valuable for nasotracheal intubation in patients with an immobilized cervical spine and that ETT cuff inflation can be used as an alternative to fiberoptic bronchoscopy in patients with CSI.ImplicationsWe compared the technique of endotracheal tube cuff inflation in the pharynx for blind nasotracheal intubation in patients with an immobilized cervical spine with fiberoptic bronchoscopy. There was no significant difference between the success rates of the techniques.

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