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Endotracheal Intubation via Tracheotomy and Subsequent Thoracotomy in Rats for Non-Survival Applications

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Adding a conduit to GlideScope blade facilitates tracheal intubation. Prospective randomized study.

Waleed A Almarakbi¹, Jamal A Alhashemi, Abdullah M Kaki

¹Department of Anesthesiology, Ain Shams University, Cairo, Egypt.

Saudi Medical Journal

|June 26, 2012

Summary

Modifying the GlideScope (GVL) blade with a conduit significantly reduced endotracheal tube (ETT) intubation time and difficulty. This innovation improved first-attempt success rates without adverse events, optimizing airway management.

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Area of Science:

Anesthesiology
Medical Devices
Airway Management

Background:

The GlideScope (GVL) video laryngoscope is a common tool for endotracheal intubation.
Modifications to device design may enhance intubation efficiency.

Purpose of the Study:

To evaluate the impact of a modified GlideScope (GVL) blade on endotracheal tube (ETT) intubation time.
To assess the ease and success rate of intubation using a modified GVL blade.

Main Methods:

Prospective study of 60 patients undergoing elective surgery with anticipated normal airways.
Patients were randomized to intubation with a modified GVL blade (Group M) or a conventional GVL blade with a stylet (Group C).
The modified GVL blade featured a conduit for direct ETT passage through the vocal cords.

Main Results:

The modified GVL blade group (Group M) demonstrated a significantly shorter time to successful tracheal intubation (TTI) (39.6±2.1s) compared to the conventional group (Group C) (66.4±8.3s) (p=0.0001).
Intubation was perceived as easier with the modified blade (VAS 2±1 vs 6±1, p=0.0001).
First-attempt intubation success was higher in Group M (100%) versus Group C (90%) (p=0.009).

Conclusions:

Adding a conduit to the GlideScope (GVL) blade facilitates easier endotracheal tube (ETT) passage.
This modification shortens intubation time (TTI) without increasing adverse events or intubation failure.
The modified GVL blade offers a potentially improved approach to endotracheal intubation.