RESEARCH ARTICLE


Extubation of the Difficult Airway: An Algorithmic Approach



C. Voscopoulos1, *, L. Jalota2, F. L. Kirk3, A. Saxena4, M. Lema3, C. Apfel2, J. Antoine2
1 Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
2 Perioperative Clinical Research Core, Department of Anesthesia and Perioperative Care, University of California at San Francisco, San Francisco, California, USA
3 Department of Anesthesiology, Critical Care, and Pain Medicine, University at Buffalo School of Medicine, Buffalo, New York, USA
4 University of California at San Francisco School of Medicine, San Francisco, California, USA


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Creative Commons License
© 2007 Voscopoulos et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Anesthesiology, Perioperative, and Pain Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA; Tel: 617-732-8210; Fax: 617-730-9534; E-mail: cjvoscopoulos@yahoo.com


Abstract

The difficult airway has been defined as a “clinical situation in which a conventionally trained anesthesiologist experiences difficulty with mask ventilation of the upper airway, tracheal intubation, or both.” Given the potentially lifethreatening consequences, the American Society of Anesthesiology has developed an airway algorithm that focuses on establishing an airway, generally for the induction of anesthesia. However, there is no algorithm on how to safely transition from an established airway back to the normal, natural airway. Up to 0.19 percent of patients can require reintubation in the post anesthesia recovery unit, with the known difficult airway at greater risk in these settings for failed reintubation. Because of this, there has been recognition of the need for guidelines in the form of an algorithm to deal with extubation in these patients. To fill this current need, we propose the following difficult to intubate patient extubation algorithm for use in the operating room setting.

Keywords: Difficult Intubation, Difficult Extubation, American Society of Anesthesiologist’s (ASA) Difficult Airway Algorithm, Airway Exchange Catheter, Gum Elastic Bougie.