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Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
Published on: December 5, 2025
656
[Tracheal Intubation Using the Pentax-AWS during Chest Compression: A Meta-analysis]
Masui. the Japanese Journal of Anesthesiology
|October 8, 2015
Summary
The Pentax-AWS device improves tracheal intubation success and speed for novice users during chest compressions compared to the Macintosh laryngoscope. Experts showed no significant difference between the two devices.
Area of Science:
- Anesthesiology
- Emergency Medicine
- Critical Care
Background:
- Tracheal intubation during cardiopulmonary resuscitation is challenging.
- The Pentax-AWS (AWS) and Macintosh laryngoscope are commonly used devices.
- Evaluating device efficacy in this critical setting is crucial.
Purpose of the Study:
- To compare the efficacy of the Pentax-AWS versus the Macintosh laryngoscope for tracheal intubation during chest compression.
- To assess device performance in novice and expert airway managers.
Main Methods:
- A meta-analysis of 12 trials adhering to PRISMA guidelines.
- Data extraction and critical appraisal of included studies.
- Pooled analysis of dichotomous and continuous outcomes using Review Manager 5.2.
Main Results:
- Twelve trials involved 424 intubations with Pentax-AWS and 421 with Macintosh.
- Novice laryngoscopists showed improved success (RR 1.4) and speed (MD -7.7 sec) with Pentax-AWS.
- No significant differences were observed between devices for expert laryngoscopists.
Conclusions:
- Pentax-AWS offers advantages for novice laryngoscopists during chest compressions.
- The benefits of Pentax-AWS were not evident in expert hands.
- Device selection may depend on operator experience in emergency airway management.
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