Vibratory Anesthesia in Trigger Finger Injections

Investigation of the Effectiveness of Vibratory Stimulus in Trigger Finger Injections

This study aims to compare the effectiveness of the use of no topical anesthesia, topical coolant, and the use of vibration in the reduction of pain during trigger finger injections. This will be done by randomizing patients who are diagnosed with trigger finger, warrant and choose to continue with a steroid injection into each of the respective anesthetic (or lack thereof) methods described. After conducting this and gathering data on the subjects pain felt, we will compare the analgesia from each of the anesthetic methods.

Inclusion Criteria:

• Healthy Adult
• Diagnosed with trigger finger
• Warrants a trigger finger injection

Exclusion Criteria:

• Subjects with known decreased light touch sensation in the territory of the trigger finger injection.
• Not diagnosed with trigger finger or does not warrant a trigger finger injection per the typical treatment algorithm adopted by the attending physician.