Impact of direct laryngoscopy vs. videolaryngoscopy on signal quality of recurrent laryngeal nerve monitoring in thyroid surgery: a randomised parallel group trial
Authors' conclusion
The results suggest that videolaryngoscopy has an impact on the quality of the initial intra-operative neuromonitoring signal in patients undergoing thyroid surgery, and this technique can provide optimised surface electrode positioning.
Study context
- Population
- Adults requiring tracheal intubation during thyroid surgery with recurrent laryngeal nerve neuromonitoring via tracheal tube surface electrodesanalysed
- Participants
- 260 adults
- Comparison
- Videolaryngoscopy vs direct laryngoscopy for tracheal intubation
- C-MACn = 130
- Direct laryngoscopyn = 130reference
- Primary endpoint
- Incidence of insufficient signal electromyogram amplitude level (< 500 μV) after successful tracheal intubation
Methodological detailsprospective, parallel group
- Prospective
- Parallel group
Primary result
As reported in the abstract
P < 0.001
Further findings
First-pass tracheal intubation success
P < 0.0001
Cormack and Lehane grade ≥ 3
P < 0.0001
Original publication
Impact of direct laryngoscopy vs. videolaryngoscopy on signal quality of recurrent laryngeal nerve monitoring in thyroid surgery: a randomised parallel group trial. Anaesthesia. Published 27 September 2022. doi:10.
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