Less postoperative sore throat after nasotracheal intubation using a fiberoptic bronchoscope than using a Macintosh laryngoscope: A double-blind, randomized, controlled study.

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Less postoperative sore throat after nasotracheal intubation using a fiberoptic bronchoscope than using a Macintosh laryngoscope: A double-blind, randomized, controlled study.

J Clin Anesth. 2017 Jun;39:113-117

Authors: Tachibana N, Niiyama Y, Yamakage M

Abstract
STUDY OBJECTIVE: To evaluate whether nasotracheal intubation using a fiberoptic bronchoscope reduces postoperative sore throat.
DESIGN: Prospective, double-blinded, randomized, and controlled study.
SETTING: Postoperative areas and surgical ward of a university hospital.
PATIENTS: Seventy-four patients with American Society of Anesthesiologists physical status I-II who were scheduled for elective general anesthesia requiring nasotracheal intubation.
INTERVENTIONS: Patients were randomized to one of two intubation groups, F (fiberoptic bronchoscope-guided) and M (Macintosh laryngoscope-guided), and after induction of general anesthesia, the patients' tracheas were intubated via the nose.
MEASUREMENTS: The intensity of postoperative sore throat was evaluated using a numerical rating score (0=none, 10=severe) at 24 hours postoperatively, and the incidence of nasal mucosal trauma, time to completion of intubation, and hemodynamic responses were recorded and compared between groups.
MAIN RESULTS: The numerical rating score value was significantly lower in group F than in group M (P=.0047), but the incidence of nasal mucosal trauma was comparable between the two groups. The median time to completion of intubation was shorter for group F than group M (P<.0001). Hemodynamic responses were not significantly different.
CONCLUSIONS: Fiberoptic bronchoscope-guided intubation is associated with less sore throat after nasotracheal intubation than M intubation. The time to completion of intubation was significantly shorter using the fiberoptic bronchoscope than that using the Macintosh laryngoscope.

PMID: 28494884 [PubMed - in process]

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