Annals of Emergency Medicine
Volume 56, Issue 2 , Pages 83-88 , August 2010

Improved Glottic Exposure With the Video Macintosh Laryngoscope in Adult Emergency Department Tracheal Intubations

  • Calvin A. Brown III, MD

      Affiliations

    • Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA
    • Division of Emergency Medicine, Harvard Medical School, Boston, MA
    • Corresponding Author InformationAddress for correspondence: Calvin A. Brown III, MD, 75 Francis St, NH-312D, Boston, MA 02115; 617-732-8908, fax 617-713-3060
  • ,
  • Aaron E. Bair, MD

      Affiliations

    • Department of Emergency Medicine, University of California–Davis, Sacramento, CA
  • ,
  • Daniel J. Pallin, MD, MPH

      Affiliations

    • Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA
    • Division of Emergency Medicine, Harvard Medical School, Boston, MA
    • Division of Emergency Medicine, Children's Hospital Boston, Boston, MA
  • ,
  • Erik G. Laurin, MD

      Affiliations

    • Department of Emergency Medicine, University of California–Davis, Sacramento, CA
  • ,
  • Ron M. Walls, MD

      Affiliations

    • Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA
    • Division of Emergency Medicine, Harvard Medical School, Boston, MA
  • ,
  • National Emergency Airway Registry (NEAR) Investigators

Received 9 June 2009 ,Revised 25 January 2010 ,Accepted 29 January 2010.

References 

  1. Sun D, Warriner C, Parsons D, et al. The GlideScope® video laryngoscope: randomized clinical trial in 200 patients. Br J Anaesth. 2005;94:381–384
  2. Cooper RM, Pacey JA, Bishop MJ, et al. Early clinical experience with a new videolaryngoscope (GlideScope®) in 728 patients. Can J Anesth. 2005;52:191–198
  3. Rai M, Dering A, Verghese C. The glidescope (R) system: a clinical assessment of performance. Anaesthesia. 2005;60:60–64
  4. Sakles JC, Laurin EG, Rantapaa AA, et al. Airway management in the emergency department: a one year study of 610 tracheal intubations. Ann Emerg Med. 1998;31(3):325–332
  5. Wong E, Ng YY. The difficult airway in the emergency department. Int J Emerg Med. 2008;1:107–111
  6. Levitan RM, Ochroch EA, Kush , et al. Assessment of airway visualization: validation of the Percentage of Glottic Opening (POGO) scale. Acad Emerg Med. 1998;5:919–923
  7. O'Shea JK, Pinchalk ME, Wang HE. Reliability of paramedic ratings of laryngoscopic views during endotracheal intubation. Prehosp Emerg Care. 2005;9:167–171
  8. Ochroch EA, Hollander JE, Kush S, et al. Assessment of laryngeal view: percentage of glottic opening score versus Cormack and Lehane grading. Can J Anaesth. 1999;46:987–990
  9. Cormack RS, Lehane JR. Difficult tracheal intubation in obstetrics. Anaesthesia. 1984;39:1105–1111
  10. Yentis SM, Lee DJ. Evaluation of an improved scoring system for the grading of direct laryngoscopy. Anaesthesia. 1998;53:1041–1044
  11. Bonett DG, Price RM. Confidence intervals for a ratio of binomial proportions based on paired data. Stat Med. 2006;15:3039–3047
  12. Williams KN, Carli F, Cormack RS. Unexpected, difficult laryngoscopy: a prospective survey in routine general surgery. Br J Anaesth. 1991;66:38–44
  13. Shiga T, Wajima Z, Inoue T, et al. Predicting difficult intubation in apparently normal patients. Anesthesiology. 2005;103:429–437
  14. Koh LK, Kong CE, Ip-Yam PC. The modified Cormack-Lehane score for the grading of direct laryngoscopy: evaluation in the Asian population. Anaesth Intensive Care. 2002;30:48–51
  15. Caplan RA, Posner KL, Ward RJ, et al. Adverse respiratory events in anesthesia: a closed claims analysis. Anesthesiology. 1990;72:828–833
  16. Bair AE, Filbin MR, Kulkarni RG, et al. The failed intubation attempt in the emergency department: analysis of prevalence, rescue techniques, and personnel. J Emerg Med. 2002;23:131–140
  17. Kaplan MB, Hagberg CA, Ward DS, et al. Comparison of direct and video-assisted views of the larynx during routine intubation. J Clin Anesth. 2006;18:357–362

 Supervising editor: Henry E. Wang, MD, MS

 Author contributions: CAB served as principal investigator and developed the study concept. CAB and AEB maintained data integrity and site compliance. CAB, DJP, and RMW wrote the article. All authors edited the article. AEB served as primary site investigator at our second center and contributed to study design and article development. DJP performed all database retrievals and performed all statistical analyses. EGL acted as coinvestigator at our second center and contributed to study implementation. RMW created the overall database design and application, as well as the Web-based data entry form, and advised on statistical analyses and reporting of results. CAB takes responsibility for the paper as a whole.

 Funding and support: By Annals policy, all authors are required to disclose any and all commercial, financial, and other relationships in any way related to the subject of this article that might create any potential conflict of interest. See the Manuscript Submission Agreement in this issue for examples of specific conflicts covered by this statement. This study was supported by a research grant from Karl Storz Endoscopy of America (KSEA) for execution of the trial. At each site, KSEA provided 2 video Macintosh laryngoscope blades (sizes 3 and 4), a DCI II video cartridge with cables, and a telepak video display unit.

 Publication date: Available online March 3, 2010.

 Reprints not available from the authors.

 Please see page 84 for the Editor's Capsule Summary of this article.

PII: S0196-0644(10)00108-3

doi: 10.1016/j.annemergmed.2010.01.033

Annals of Emergency Medicine
Volume 56, Issue 2 , Pages 83-88 , August 2010