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Vibration-assisted anesthesia in eyelid surgery.

Tessa Fayers¹, Daniel S Morris, Peter J Dolman

¹Department of Ophthalmology, University of British Columbia, Vancouver, British Columbia, Canada.

|March 23, 2010

Summary

A vibrating device significantly reduced pain during local anesthetic injections for upper eyelid surgery. Most patients preferred the vibration-assisted anesthesia, finding it offered better pain relief.

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Area of Science:

Ophthalmology
Pain Management
Anesthesiology

Background:

Local anesthetic injections for upper eyelid surgery can be painful.
Minimizing injection pain is crucial for patient comfort and satisfaction.
Novel methods to reduce procedural pain are actively being researched.

Purpose of the Study:

To evaluate the efficacy of a vibrating device in reducing pain associated with local anesthetic injections.
To compare pain perception between vibration-assisted and placebo-controlled injections in upper eyelid surgery.

Main Methods:

A randomized, controlled, cross-over clinical trial was conducted involving 80 patients.
A vibrating device was applied to the forehead during local anesthetic injection on one side, with a placebo (non-vibrating device) on the other.
Pain was assessed using a 0-10 scale and qualitative patient feedback.

Main Results:

The mean pain score was significantly lower with the vibrating device (3.3) compared to placebo (4.5) (P=0.0003).
73% of participants preferred the vibration-assisted injection side.
35% of patients reported the vibrated side was "a lot" or "quite a bit" better.

Conclusions:

Vibration-assisted anesthesia provides a statistically significant and clinically relevant reduction in pain during upper eyelid surgery.
The findings suggest vibration is an effective adjunct for improving patient comfort during local anesthetic administration.
Further research is recommended to quantify the clinical significance of pain management improvement.