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Point-of-Care Ultrasound: A Review of Ultrasound Parameters for Predicting Difficult Airways
Published on: April 7, 2023
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Analysis of Airway Management for Cesarean Delivery: Use of Risk and Proportion Differences
Andrew King1, Justin Morello1, Allison Clark1
1From the Department of Anesthesiology, University of Queensland School of Medicine-Ochsner Clinical School, New Orleans, Louisiana.
Southern Medical Journal
|March 3, 2022
Summary
The Miller blade offers the best view for difficult tracheal intubations during cesarean delivery anesthesia. This laryngoscopy technique reduces the likelihood of challenging airway management in parturients.
Area of Science:
- Anesthesiology
- Obstetric Anesthesia
Background:
- Securing the parturient airway is critical during general anesthesia for cesarean delivery.
- Laryngoscopy blade selection impacts airway management success.
Purpose of the Study:
- To compare the effectiveness of Macintosh, Miller, and Glidescope Mac-Style laryngoscopy blades.
- To assess the incidence of difficult orotracheal intubation with each blade type.
Main Methods:
- Retrospective analysis of 449 parturients undergoing general anesthesia for cesarean delivery.
- Data extracted from electronic medical records over a 6-year period.
- Analysis of difficult orotracheal intubation incidence using risk and proportion differences.
Main Results:
- Overall difficult orotracheal intubation incidence was 4.2%.
- Difficulties were associated with restricted mouth opening, Mallampati III/IV, and reduced thyromental distance.
- The Miller blade demonstrated the lowest proportion difference for difficult intubation.
Conclusions:
- Miller blade laryngoscopy resulted in the lowest proportion difference for difficult orotracheal intubation.
- Miller blade laryngoscopy is effective for securing the parturient airway during cesarean delivery.
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