Real-World Evaluation of i-gel Introduction on Intraoperative Airway-Related Safety Events: A Retrospective Cohort Study From a New England Hospital Network
Authors' conclusion
We found a significant decline in the monthly trend of airway-related safety events after the full implementation of i-gel in our health care network.
Study context
- Population
- Adults undergoing GA with LMA-Unique or i-gel, academic health care network, January 2013–June 2020
- Participants
- 21,417 adults
- Exposure
- I-gel vs LMA-Unique
- Outcome
- Monthly trend of intraoperative airway-related safety events (composite:
- Desaturation <90%
- Hypo- or hypercapnia <25 or >50 mm Hg
- Driving pressure >30 cmH2O
- Tidal volume <4 mL/kg
- Multiple SGA placement attempts
- Emergency replacement with tracheal tube)
Methodological detailsinterrupted time series analysis, adjusted ordinary least-squares regression
- Interrupted time series analysis
- Adjusted ordinary least-squares regression
Main finding
As reported in the abstract
Change in monthly trend of airway-related safety events
I-gel
−0.3%
CI −0.1%–-0.4% · per month
LMA-Unique
−0.2%
CI −0.1%–-0.3% · per month
Observational data: associations, not effects.
Further findings
Airway-related safety events, overall cohort
- Patients with airway-related safety events
- 5193 (24.2%)
Original publication
Real-World Evaluation of i-gel Introduction on Intraoperative Airway-Related Safety Events: A Retrospective Cohort Study From a New England Hospital Network. Anesth Analg. Published 19 September 2024. doi:10.
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