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The Rigid Tube as an Alternative in Controlling the Problematic Airway

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Intubation characteristics using modified USB videolaryngoscope: A prospective, randomised study.

Qazi E Ali¹, N S Nisanth¹, Syed H Amir¹

¹Department of Anaesthesiology, Jawaharlal Nehru Medical College, A.M.U, Aligarh, Uttar Pradesh, India.

Indian Journal of Anaesthesia

|May 1, 2023

Summary

The universal serial bus (USB) videolaryngoscope reduces intubation attempts in difficult airways compared to the Macintosh laryngoscope. However, it takes longer to intubate patients using the USB device.

Keywords:

Endotracheal tube general anaesthesia intubation laryngoscope

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Area of Science:

Anesthesiology
Medical Devices
Airway Management

Background:

Videolaryngoscopes offer varied features, but their impact on intubation ease differs.
The role of video cameras in laryngoscopy performance needs further evaluation.
This study focuses on the universal serial bus (USB) videolaryngoscope for difficult airways.

Purpose of the Study:

To evaluate the efficacy of a USB videolaryngoscope in patients with predicted difficult airways.
To compare the performance of USB videolaryngoscope versus Macintosh laryngoscope for endotracheal intubation.

Main Methods:

Sixty patients (Mallampati grade III/IV) were randomized into two groups.
One group received endotracheal intubation with a USB videolaryngoscope, the other with a Macintosh laryngoscope.
Primary outcome: time to intubation; Secondary outcomes: success rate, attempts, maneuvers, hemodynamics, airway injuries.

Main Results:

Macintosh laryngoscope showed shorter intubation times (P=0.024).
Successful intubation rates were similar between groups (P=0.079).
USB videolaryngoscope required fewer intubation attempts (P=0.047) with similar airway injury incidence.

Conclusions:

USB videolaryngoscope decreases endotracheal intubation attempts in difficult airways.
USB videolaryngoscope may increase intubation time compared to Macintosh laryngoscope.