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Does a new videolaryngoscope (glidescope) provide better glottic exposure?
Wei-Ting Hsiao1, Yi-Hsi Lin, Hong-Shan Wu
1Department of Anesthesiology, Changhua Christian Hospital, Changhua, Taiwan, ROC. 97749@cch.org.tw
Summary
The GlideScope videolaryngoscope significantly improves glottic exposure compared to conventional laryngoscopy. This device offers a better view of the larynx, aiding in tracheal intubation, especially for difficult airways.
Area of Science:
- Anesthesiology
- Airway Management
- Medical Devices
Background:
- The GlideScope is a novel videolaryngoscope designed to enhance glottic visualization during tracheal intubation.
- It serves as an alternative to traditional laryngoscopes for airway management.
Purpose of the Study:
- To evaluate the effectiveness of the GlideScope in achieving optimal glottic exposure.
- To compare the glottic view provided by the GlideScope versus a conventional Macintosh laryngoscope.
Main Methods:
- A study involving 103 patients undergoing general anesthesia for elective surgery.
- Laryngoscopy was performed using both a Macintosh blade and the GlideScope, with laryngeal views assessed using the Cormack and Lehane (C&L) grading scale.
- Tracheal intubation was subsequently performed using the GlideScope.
Main Results:
- The GlideScope improved the Cormack and Lehane grade in 93.6% of patients with an initial grade greater than 1.
- Twenty out of 22 patients with difficult intubation criteria showed an improved laryngoscopic grade with the GlideScope.
- Successful tracheal intubation was achieved on the first attempt in 101 patients.
Conclusions:
- The GlideScope provides a superior view of the larynx compared to conventional laryngoscopy, as indicated by the grading system.
- The GlideScope is a valuable tool for effective airway management, particularly in cases of difficult intubation.