Endotracheal Intubation with the King Laryngeal Tube™ In Situ Using Video Laryngoscopy and a Bougie: A Retrospective Case Series and Cadaveric Crossover Study

Kenneth W. Dodd, Rebecca L. Kornas, Matthew E. Prekker, Lauren R. Klein, Robert F. Reardon, Brian E. Driver

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Background Removal of a functioning King laryngeal tube (LT) prior to establishing a definitive airway increases the risk of a “can't intubate, can't oxygenate” scenario. We previously described a technique utilizing video laryngoscopy (VL) and a bougie to intubate around a well-seated King LT with the balloons deflated; if necessary, the balloons can be rapidly re-inflated and ventilation resumed. Objective Our objective is to provide preliminary validation of this technique. Methods Emergency physicians performed all orotracheal intubations in this two-part study. Part 1 consisted of a historical analysis of VL recordings from emergency department (ED) patients intubated with the King LT in place over a two-year period at our institution. In Part 2, we analyzed VL recordings from paired attempts at intubating a cadaver, first with a King LT in place and then with the device removed, with each physician serving as his or her own control. The primary outcome for all analyses was first-pass success. Results There were 11 VL recordings of ED patients intubated with the King LT in place (Part 1) and 11 pairs of cadaveric VL recordings (Part 2). The first-pass success rate was 100% in both parts. In Part 1, the median time to intubation was 43 s (interquartile range [IQR] 36–60 s). In Part 2, the median time to intubation was 23 s (IQR 18–35 s) with the King LT in place and 17 s (IQR 14–18 s) with the King LT removed. Conclusions Emergency physicians successfully intubated on the first attempt with the King LT in situ. The technique described in this proof-of-concept study seems promising and merits further validation.

Original languageEnglish (US)
Pages (from-to)403-408
Number of pages6
JournalJournal of Emergency Medicine
Volume52
Issue number4
DOIs
StatePublished - Apr 1 2017

Keywords

  • King laryngeal tube
  • airway management
  • endotracheal intubation
  • extraglottic airway
  • video laryngoscopy

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