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ORIGINAL ARTICLE   Free accessfree

Minerva Anestesiologica 2016 December;82(12):1278-87


lingua: Inglese

Comparison of the Macintosh, GlideScope®, Airtraq®, and King Vision™ laryngoscopes in routine airway management

Abdulmohsen A. AL-GHAMDI, Mohamed R. EL TAHAN, Alaa M. KHIDR

Department of Anesthesiology, King Fahd Hospital, University of Dammam, Al Khobar, Saudi Arabia

BACKGROUND: We hypothesized that the use of the channeled King Vision™ and Airtraq® would shorten the time for tracheal intubation compared with the Macintosh or GlideScope® laryngoscopes in patients with normal airways.
METHODS: Eighty-six patients were randomly assigned to intubate the trachea using either the Macintosh (N.=22), Glidescope® (N.=21), Airtraq® (N.=21), or King Vision™ (N.=22) laryngoscope. The primary outcome was the time to tracheal intubation. Secondary outcomes included the laryngoscopic view, numbers of laryngoscopy attempts, first-pass success rate, optimization maneuvers, ease of intubation, and postoperative sore throat.
RESULTS: Compared with the Macintosh and GlideScope®, the use of the channeled videolaryngoscopes had significantly longer times to tracheal intubation (mean times: Airtraq® 44 s [95% CI: 39.6 to 46.7]; King Vision™ 34.5 s [95% CI: 33.1 to 40.2]; Macintosh 20 s [95% CI: 19.7 to 26.7]; GlideScope® 27.9 s [95% CI: 25.1 to 30.7], P<0.002) and caused less mucosal trauma (P=0.006). The King Vision™ is slightly faster than the Airtraq® (P=0.035). Compared with the Macintosh and the Airtraq®, the GlideScope® was easier to use (P<0.001). The 4 groups had comparable glottis views, number of laryngoscopy and optimising manoeuvres and first attempt success rate. The Airtraq® and King Vision™ had a lower incidence of sore throat than with the Macintosh or GlideScope® (P=0.001). No patient had failed intubation.
CONCLUSIONS: The King Vision™ and Airtraq® require longer intubation times, as primary outcome, and cause less sore throat than the Macintosh and GlideScope® when used by anesthesiologists with limited experience in patients with normal airways. Our conclusion is difficult to extrapolate to the expert anesthesiologists who are using videolaryngoscopes on a regular basis.

KEY WORDS: Laryngoscopy - Video-assisted surgery - Intubation

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