GlideScope versus C-MAC D-blade videolaryngoscope for double-lumen tube intubation in patients with anticipated difficult airways: A multi-center, prospective, randomized, controlled trial
Authors' conclusion
In patients with difficult airways, the GlideScope and C-MAC D-blade provided a similar success rate on the first DLT intubation attempt; however, the C-MAC D-blade offers a better glottic view, easier and faster intubation, and lower incidence of sore throat.
Study context
- Population
- Adults with anticipated difficult airways undergoing elective thoracic surgery, 3 tertiary hospitals
- Participants
- 348 adults
- Comparison
- GlideScope vs C-MAC D-blade videolaryngoscope for double-lumen tube (DLT) intubation
- Primary endpoint
- First-pass success rate of DLT intubation
Methodological detailsmulticentre, prospective, Three tertiary hospitals, 5 December 2020 to 4 November 2021
- Multicentre
- Prospective
- Three tertiary hospitals, 5 December 2020 to 4 November 2021
Primary result
As reported in the abstract
P = 0.323
Secondary outcomes
Duration of DLT intubation · shorter with C-MAC D-blade
P < 0.001
Events
| Outcome | GlideScope | C-MAC D-blade | P value |
|---|---|---|---|
| Cormack-Lehane gradeLower with C-MAC D-blade | P < 0.001 | ||
| External laryngeal pressure | 48 | 15 | P < 0.001 |
| NRS difficulty of insertion into oral cavity, delivery to glottis, intubation into main bronchusSignificantly lower with C-MAC D-blade | P < 0.001 | ||
| Fiberoptic intubation after 3 failed videolaryngoscope attempts | 2 | 2 |
Safety
Events
| Outcome | GlideScope | C-MAC D-blade | P value |
|---|---|---|---|
| Postprocedure sore throat | 26 | 8 | P < 0.001 |
Original publication
GlideScope versus C-MAC D-blade videolaryngoscope for double-lumen tube intubation in patients with anticipated difficult airways: A multi-center, prospective, randomized, controlled trial. J Clin Anesth. Published 4 October 2023. doi:10.
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