Evaluation of five static or dynamic tracheal tube introducers during standard and difficult intubations with C‐ MAC ® D‐blade videolaryngoscopy in a manikin*
Authors' conclusion
Among introducers for hyperangulated videolaryngoscopy, stylets were most efficacious and a static bougie least. Differences in performance increased when tracheal intubation was difficult.
Study context
- Population
- Anaesthetists intubating a manikin with a reusable C-MAC D-blade hyperangulated videolaryngoscopeanaesthetists, 10 intubations each
- Participants
- 30 anaesthetists
- Comparison
- Five tracheal tube introducers (C-MAC Stylet, Universal Stylet Bougie, Total Control Introducer, Steerable Tracheal Intubation Guide, Portex Bougie) with C-MAC D-blade videolaryngoscopy, standard vs difficult airway setup
- Primary endpoint
- First-attempt tracheal intubation success
Methodological detailsrandomised order of introducers, randomised airway setup
- Randomised order of introducers
- Randomised airway setup
Primary result
As reported in the abstract
First-attempt tracheal intubation success, standard setup
Secondary outcomes
| Outcome | Values |
|---|---|
| First-attempt tracheal intubation success, difficult setup | C-MAC Stylet 93% (95% CI 84–100%) · Total Control Introducer 87% (95% CI 74–99%) · Universal Stylet Bougie 73% (95% CI 56–90%) · Steerable Tracheal Intubation Guide 60% (95% CI 41–79%) · Portex Bougie 33% (95% CI 15–51%) |
First-attempt tracheal intubation success, difficult setup
- Difficult airway pairwise: C-MAC Stylet, Universal Stylet Bougie and Total Control Introducer significantly better than Portex Bougie; C-MAC Stylet significantly better than Steerable Tracheal Intubation Guide
All outcomes (intubation within 120 s, time to intubation, ease, railroading, force)
- C-MAC Stylet best and static bougie worst across all outcomes; differences greater in the difficult setup
Original publication
Evaluation of five static or dynamic tracheal tube introducers during standard and difficult intubations with C‐ MAC ® D‐blade videolaryngoscopy in a manikin*. Anaesthesia. Published 27 May 2025. doi:10.
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