The utility of a multi-orifice epidural catheter when using the “Spray-as-You-Go” technique for topical Airway Anesthesia during Flexible Bronchoscopy, a randomised trial
Authors' conclusion
Endotracheal topical anesthesia via the multi-orifice epidural catheter (three holes/openings) during flexible bronchoscopy using the "spray-as-you-go" technique was appeared to be superior to the conventional method.
Study context
- Population
- Patients undergoing flexible bronchoscopy with topical airway anaesthesia
- Participants
- 100 patients
- Comparison
- Group C vs group E
- Group Cn = 50reference
- Group En = 50
- Primary endpoint
- Cough severity (4-point scale)
Primary result
As reported in the abstract
Cough severity score
Group C
3
median
Group E
2
median
P = 0.004
Further findings
| Outcome | P value |
|---|---|
| VAS for cough, bronchoscopist-rated | P = 0.002 |
| VAS for cough, nurse-rated | P < 0.001 |
| Highest respiratory rateHigher in group C | P < 0.01 |
| Extra topical anaesthesia requiredMore patients in group C | P < 0.001 |
| Total lidocaine consumptionHigher in group C | P < 0.001 |
Cough incidence by site
- Significantly higher in group C in the trachea, left and right bronchi
Safety
Events
| Outcome | Group C | Group E | P value |
|---|---|---|---|
| SpO2 below 90% during flexible bronchoscopy | 8 | 2 | P = 0.046 |
Original publication
The utility of a multi-orifice epidural catheter when using the “Spray-as-You-Go” technique for topical Airway Anesthesia during Flexible Bronchoscopy, a randomised trial. J Clin Monit Comput. Published 20 April 2022. doi:10.
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