Accuracy of tactile bougie use in infrequent intubators: a cadaveric airway study
Authors' conclusion
Following a brief training session, prehospital providers who intubate infrequently seemed to show a relatively high degree of accuracy using tracheal clicks and esophageal boggy resistance to confirm bougie placement in cadaveric airways.
Study context
- Population
- Prehospital providers (paramedics) from Atlantic Canada who intubate infrequently, after brief formal training, assessing bougies in cadaveric airways74 bougie assessments
- Participants
- 37 participants
- Comparison
- Tracheal clicks vs Esophageal boggy resistance
- Outcome
- Sensitivity and specificity of clicks and boggy resistance
Methodological detailsprospective observational, cadaveric, participants blinded to bougie placement
- Prospective observational
- Cadaveric
- Participants blinded to bougie placement
Performance
As reported in the abstract
| Test or model | Sensitivity | Specificity |
|---|---|---|
| Tracheal clicks | 86% (95% CI, 75 to 98)Sensitivity on a scale from 0 to 100 percent | 81% (95% CI, 68 to 94)Specificity on a scale from 0 to 100 percent |
| Esophageal boggy resistance | 78% (95% CI, 65 to 92)Sensitivity on a scale from 0 to 100 percent | 86% (95% CI, 75 to 98)Specificity on a scale from 0 to 100 percent |
Sensitivity
Tracheal clicks86% (95% CI, 75 to 98)
Esophageal boggy resistance78% (95% CI, 65 to 92)
Sensitivity on a scale from 0 to 100 percentSpecificity
Tracheal clicks81% (95% CI, 68 to 94)
Esophageal boggy resistance86% (95% CI, 75 to 98)
Specificity on a scale from 0 to 100 percentOriginal publication
Accuracy of tactile bougie use in infrequent intubators: a cadaveric airway study. Can J Anaesth. Published 4 February 2025. doi:10.
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