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Updated: Jul 15, 2026
07:45
Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
Published on: December 1, 2023
Case series: the McGrath videolaryngoscope--an initial clinical evaluation
Ben Shippey1, David Ray, Dermot McKeown
1Department of Anesthesia, Critical Care and Pain Medicine, Royal Infirmary of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, Scotland. benshippey@mac.com
Summary
The McGrath videolaryngoscope demonstrated a 98% tracheal intubation success rate in patients with normal airways. This device offers rapid and convenient airway management, showing potential for further evaluation.
Area of Science:
- Anesthesiology
- Critical Care Medicine
- Emergency Medicine
Background:
- Airway management is critical in anesthesia and emergency care.
- Videolaryngoscopes offer improved visualization during tracheal intubation.
- The McGrath videolaryngoscope is a novel device for airway instrumentation.
Purpose of the Study:
- To evaluate the success rates of tracheal intubation using the McGrath videolaryngoscope.
- To measure airway instrumentation times with the McGrath videolaryngoscope.
- To document complications associated with the McGrath videolaryngoscope.
Main Methods:
- Prospective study of adult patients undergoing elective surgery with normal preoperative airway examinations.
- Two phases: Phase I documented experience; Phase II recorded time to optimal view and intubation completion.
- Data collected included intubation success, Cormack and Lehane grades, and complication rates.
Main Results:
- 98% tracheal intubation success rate achieved with the McGrath videolaryngoscope.
- 95% Cormack and Lehane grade I views obtained.
- Median time to intubation completion was 24.7 seconds; 96% completed within one minute.
Conclusions:
- The McGrath videolaryngoscope is effective for airway management in patients with normal airways.
- The device facilitates rapid and successful tracheal intubation.
- Further studies are warranted to compare its efficacy and evaluate its use in difficult airways.
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