Needle-Free Injection of Lidocaine for Local Anesthesia Prior to Trigger Digit Injection
| Status: | Completed |
|---|---|
| Conditions: | Neurology |
| Therapuetic Areas: | Neurology |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 2/8/2015 |
| Start Date: | March 2014 |
| End Date: | July 2015 |
| Contact: | Philip E Blazar, M.D. |
| Email: | pblazar@partners.org |
| Phone: | 617-732-5384 |
Jet-injection (J-tip) is a rapid, minimally invasive delivery system that can be used for
the subdermal injection of lidocaine solution for anesthetic purposes. The device has been
found effective in pain reduction during IV catheterization in adults and children and
lumbar puncture in children when compared to placebo saline-jet injection. [1-4].
We believe that administering local anesthetic via J-tip prior to triamcinolone(40 mg/ml)
injection could mitigate pain that occurs during and immediately following injection while
preserving the post-injection pain relief of anesthetic injection. Furthermore,
pre-placement of the jet-injected local anesthetic may obviate the need for the inclusion of
local anesthetic into the triamcinolone injection. This would decrease the amount of fluid
injected, which could have positive pain modulation by decreased tissue disruption.
Objective: To evaluate the effectiveness of needle free jet injection (J-tip) administration
of 2% lidocaine in reduction of the pain experienced during trigger digit 40 mg/ml
triamcinolone injection.
Hypothesis: Needle free jet injection (J-tip) administration of 2% lidocaine will prove an
equal or superior means of pain reduction when compared to 2% lidocaine injection in the
setting of trigger digit triamcinolone injections.
the subdermal injection of lidocaine solution for anesthetic purposes. The device has been
found effective in pain reduction during IV catheterization in adults and children and
lumbar puncture in children when compared to placebo saline-jet injection. [1-4].
We believe that administering local anesthetic via J-tip prior to triamcinolone(40 mg/ml)
injection could mitigate pain that occurs during and immediately following injection while
preserving the post-injection pain relief of anesthetic injection. Furthermore,
pre-placement of the jet-injected local anesthetic may obviate the need for the inclusion of
local anesthetic into the triamcinolone injection. This would decrease the amount of fluid
injected, which could have positive pain modulation by decreased tissue disruption.
Objective: To evaluate the effectiveness of needle free jet injection (J-tip) administration
of 2% lidocaine in reduction of the pain experienced during trigger digit 40 mg/ml
triamcinolone injection.
Hypothesis: Needle free jet injection (J-tip) administration of 2% lidocaine will prove an
equal or superior means of pain reduction when compared to 2% lidocaine injection in the
setting of trigger digit triamcinolone injections.
Inclusion Criteria:
- Patients who present to the Hand Clinic at Brigham and Women's Hospital or Brigham
and Women's Faulkner Hospital, are 18 years of age or older and are indicated for a
trigger digit steroid injection will be eligible for participation
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