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A comparison of cervical spine movement during laryngoscopy using the Airtraq or Macintosh laryngoscopes.
Anaesthesia. 2008 Jun; 63(6):635-40.A

Abstract

The Airtraq laryngoscope has an oropharyngeal airway-shaped blade that provides a non-line-of-sight view of the glottis. The configuration of the blade should mean that less movement of the cervical spine is required during laryngeal visualisation. We compared the degree of cervical spine movement in laryngoscopy performed using the Airtraq and conventional Macintosh laryngoscope. In 20 patients requiring general anaesthesia and tracheal intubation, we measured cervical spine movement using radiography in the same patient during consecutive procedures using the two laryngoscopes. Although significant movement of the cervical spine from baseline was noted during all procedures (p < 0.05), cervical spinal extension with the Airtraq was 29% less than that measured during Macintosh laryngoscopy between the occiput and C4, and 44% less at the C3/C4 motion segment (p < 0.05). Anterior deviations of the vertebral bodies from baseline were 32%, 35%, 38% and 40% less at the atlas, C2, C3, and C4 vertebrae, respectively, during Airtraq laryngoscopy than those measured during Macintosh laryngoscopy (p < 0.01). Our study demonstrated that laryngoscopy using the Airtraq laryngoscope involves less movement of the cervical spine compared to conventional procedures using a Macintosh laryngoscope.

Authors+Show Affiliations

Department of Anesthesiology and Critical Care Medicine, Jichi Medical University, Tochigi 329-0498, Japan. yhira@jichi.ac.jpNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

18477276

Citation

Hirabayashi, Y, et al. "A Comparison of Cervical Spine Movement During Laryngoscopy Using the Airtraq or Macintosh Laryngoscopes." Anaesthesia, vol. 63, no. 6, 2008, pp. 635-40.
Hirabayashi Y, Fujita A, Seo N, et al. A comparison of cervical spine movement during laryngoscopy using the Airtraq or Macintosh laryngoscopes. Anaesthesia. 2008;63(6):635-40.
Hirabayashi, Y., Fujita, A., Seo, N., & Sugimoto, H. (2008). A comparison of cervical spine movement during laryngoscopy using the Airtraq or Macintosh laryngoscopes. Anaesthesia, 63(6), 635-40. https://doi.org/10.1111/j.1365-2044.2008.05480.x
Hirabayashi Y, et al. A Comparison of Cervical Spine Movement During Laryngoscopy Using the Airtraq or Macintosh Laryngoscopes. Anaesthesia. 2008;63(6):635-40. PubMed PMID: 18477276.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A comparison of cervical spine movement during laryngoscopy using the Airtraq or Macintosh laryngoscopes. AU - Hirabayashi,Y, AU - Fujita,A, AU - Seo,N, AU - Sugimoto,H, PY - 2008/5/15/pubmed PY - 2008/6/12/medline PY - 2008/5/15/entrez SP - 635 EP - 40 JF - Anaesthesia JO - Anaesthesia VL - 63 IS - 6 N2 - The Airtraq laryngoscope has an oropharyngeal airway-shaped blade that provides a non-line-of-sight view of the glottis. The configuration of the blade should mean that less movement of the cervical spine is required during laryngeal visualisation. We compared the degree of cervical spine movement in laryngoscopy performed using the Airtraq and conventional Macintosh laryngoscope. In 20 patients requiring general anaesthesia and tracheal intubation, we measured cervical spine movement using radiography in the same patient during consecutive procedures using the two laryngoscopes. Although significant movement of the cervical spine from baseline was noted during all procedures (p < 0.05), cervical spinal extension with the Airtraq was 29% less than that measured during Macintosh laryngoscopy between the occiput and C4, and 44% less at the C3/C4 motion segment (p < 0.05). Anterior deviations of the vertebral bodies from baseline were 32%, 35%, 38% and 40% less at the atlas, C2, C3, and C4 vertebrae, respectively, during Airtraq laryngoscopy than those measured during Macintosh laryngoscopy (p < 0.01). Our study demonstrated that laryngoscopy using the Airtraq laryngoscope involves less movement of the cervical spine compared to conventional procedures using a Macintosh laryngoscope. SN - 1365-2044 UR - https://www.unboundmedicine.com/medline/citation/18477276/A_comparison_of_cervical_spine_movement_during_laryngoscopy_using_the_Airtraq_or_Macintosh_laryngoscopes_ L2 - https://doi.org/10.1111/j.1365-2044.2008.05480.x DB - PRIME DP - Unbound Medicine ER -