Medialization thyroplasty window creation using an ultrasonic surgical aspirator

Area of Science:

• Otolaryngology
• Surgical Innovation
• Laryngeal Surgery

Background:

• Medialization thyroplasty is a surgical procedure to correct vocal fold paralysis.
• Accurate creation of a laryngeal cartilage window is crucial for successful thyroplasty.
• Current methods using surgical drills may have limitations in efficiency and precision.

Purpose of the Study:

• To evaluate the efficacy and safety of an ultrasonic surgical aspirator for creating laryngeal cartilage windows.
• To compare the performance of an ultrasonic surgical aspirator with a standard surgical drill in terms of time and perichondrial integrity.

Main Methods:

• A basic science study was conducted using 40 fresh, unpreserved cadaver larynges.
• Rectangular (6 x 13 mm) and round (4 x 4 mm) laryngeal windows were created bilaterally.
• An ultrasonic surgical aspirator was used on one side, and a standard surgical drill on the contralateral side, with time and perichondrium status recorded.

Main Results:

• The ultrasonic aspirator created both window sizes significantly faster than the standard drill (P < .008 for rectangular, P < .016 for round).
• Fewer perichondrial violations were observed with the ultrasonic aspirator for the rectangular window (0/10 vs 4/10).
• Perichondrial violation rates were similar for the round window between the two methods (1/10 vs 0/10).

Conclusions:

• The ultrasonic surgical aspirator demonstrates potential as an effective and efficient alternative to standard drills for medialization thyroplasty.
• Further clinical trials are recommended to confirm the applicability and benefits of this device in human patients.