Use of a combined laryngo-bronchoscopy approach in difficult airways management: A pilot simulation study

Filippo Sanfilippo, Francesco Sgalambro, Giuseppe Chiaramonte, Cristina Santonocito, Gaetano Burgio, Antonio Arcadipane

Research output: Contribution to journalArticle

Abstract

Objective: There are several airway devices available for difficult tracheal intubation (DTI) management, but the failure rate remains high. The use of laryngoscopy to facilitate the fibreoptic-bronchoscope intubation (CLBI) has been increasingly reported in DTI situations, but it has not been formally studied yet. Methods: We designed a single-centre simulation study on DTI (neck rigidity and tongue oedema) comparing three techniques: direct laryngoscopy (DL), video-laryngoscopy (VLS) and CLBI. Eighteen anaesthesiologists naïve to VLS/CLBI approaches, participated in the study. The primary outcome was the intubation rate at the first attempt. Secondary outcomes were an overall time-to-intubate (TTI) and time-to-ventilate (TTV), success at the second and third attempt and ease of intubation as evaluated by a subjective 5-point Likert scale. Results: The CLBI technique had a higher success rate at the first attempt than DL (66% vs 22%, p=0.007), while VLS did not (44%, p=0.16). A trend towards higher success at the third attempt was found for both VLS and CLBI vs DL (p=0.07 and p=0.06, respectively). The VLS had a shorter overall TTV than DL (88±60 vs 121±59 sec, respectively, p=0.04) and a trend towards a shorter TTI (81±61 vs 116±64 sec, respectively, p=0.06). The CLBI approach showed a non-significantly lower TTI/TTV as compared to DL (p=0.10 and p=0.16, respectively). Anaesthesiologists judged that the intubation with VLS (3.7±1.0) and CLBI (3.8±1.0) was easier than with DL (1.7±0.8, both p<0.001). Conclusion: In a simulated DTI scenario, CLBI had a higher success rate at the first attempt than DL, while VLS did not. By the third attempt, both rescue techniques had a trend towards a higher success rate than DL. The CLBI technique seems a promising alternative for the management of DTI.

Original languageEnglish
Pages (from-to)464-470
Number of pages7
JournalTurkish Journal of Anaesthesiology and Reanimation
Volume47
Issue number6
DOIs
Publication statusPublished - Dec 2019

Keywords

  • Difficult tracheal intubation
  • Fibreoptic intubation
  • Manikin
  • Tongue oedema
  • Video-laryngoscope

ASJC Scopus subject areas

  • Emergency Medicine
  • Anesthesiology and Pain Medicine

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