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- Title
Laryngoscopy facilitates successful i-gel insertion by novice doctors: a prospective randomized controlled trial.
- Authors
Miyazaki, Yu; Komasawa, Nobuyasu; Matsunami, Sayuri; Kusaka, Yusuke; Minami, Toshiaki
- Abstract
Background: This study investigated the hypothesis that the efficacy of insertion of the supraglottic device i-gel (i-gel) can be improved by laryngoscopy and can provide better sealing pressure in anesthetized patients by novice doctors. Methods: Eighty-four adult patients were assigned to the laryngoscopy group (L group, 42 patients) or control group (i.e., conventional blind insertion; C group, 42 patients). Anesthesia was induced with propofol and remifentanil, and rocuronium 0.6-0.9 mg/kg was administered. The number of attempts until successful insertion, sealing pressure, vital sign changes upon insertion, and subjective difficulty of insertion by novice doctors were compared between the groups. Results: The total number of insertion attempts was one (L group 36 cases, C group 23 cases), two (L group 6 cases, C group 18 cases), and three (L group 0 case, C group 1 case), with significant differences between groups ( P = 0.007). The sealing pressure was significantly higher in the L group than in the C group (L group 22.3 ± 2.6 cmHO, C group 19.5 ± 2.7 cmHO, P < 0.001). Vital sign changes (heart rate and blood pressure) did not differ between the two groups. The subjective difficulty of insertion was significantly lower in the L group than in the C group (L group 26.8 ± 11.8 mm, C group 47.0 ± 15.1 mm, P < 0.001). The incidence of postoperative pharyngeal pain was significantly lower in the L group than in the C group ( P < 0.001), while the incidence of hoarseness did not differ between the two groups ( P = 1.00). Conclusion: Our results suggest that laryngoscopy facilitates i-gel insertion by novice doctors, as reflected in the rate of successful insertions, higher sealing pressure, and lower subjective difficulty of insertion in anesthetized patients.
- Subjects
LARYNGOSCOPY; PATIENT management; REMIFENTANIL; POSTOPERATIVE pain; SURGERY; MANAGEMENT
- Publication
Journal of Anesthesia, 2015, Vol 29, Issue 5, p654
- ISSN
0913-8668
- Publication type
Article
- DOI
10.1007/s00540-015-2016-x