Video Assisted Laryngoscope Facilitates Intubation Skill Learning in the Emergency Department

Area of Science:

• Medical Education
• Emergency Medicine
• Anesthesiology

Background:

• Advanced technology aids resuscitation skill acquisition, shortening learning curves and minimizing errors.
• This study evaluates the educational efficiency of video laryngoscope (VL) versus direct laryngoscope (DL) for novice tracheal intubation training.

Purpose of the Study:

• To compare the educational effectiveness of VL and DL in teaching tracheal intubation to novice medical students.
• To assess the impact of VL and DL on intubation success rates, time, and glottic view quality.

Main Methods:

• Prospective randomized controlled study involving 177 medical students in an emergency department.
• Students were assigned to normal or difficult airway groups, then randomized to practice with VL or DL.
• Performance was evaluated post-course, measuring intubation success, time, and glottic view, with secondary analysis of learning time.

Main Results:

• Video laryngoscope (VL) significantly reduced tracheal intubation learning time in both normal and difficult airway groups (p < 0.05).
• Time-to-event analysis showed a markedly improved learning curve with VL (p < 0.001).
• VL use resulted in superior glottic view performance during post-course assessments.

Conclusions:

• Video laryngoscope (VL) enhances the learning curve for tracheal intubation skills compared to traditional direct laryngoscope (DL).
• VL training shortens skill acquisition time and increases first-attempt success rates for undergraduate students.