Needle-Free Injection of Lidocaine for Local Anesthesia Prior to Trigger Digit Injection (J-tip)

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.

Study Overview

• Status: Completed
• Conditions: Trigger Finger
• Intervention / Treatment: Procedure: Triamcinolone (20 g) and 2% Lidocaine injection over the A1 pulley; Drug: 2% Lidocaine; Drug: Triamcinolone (20 g); Procedure: J-tip lidocaine administration; Procedure: Triamcinolone (20 g) Injection over the A1 pulley.

• Study Type: Interventional
• Enrollment (Actual): 60
• Phase: Not Applicable

Contacts and Locations

Study Locations

• United States
  • Massachusetts
    • Boston, Massachusetts, United States, 02115
      • Brigham and Women's Hospital

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years and older (Adult, Older Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

Description

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

Study Plan

How is the study designed?

Design Details

• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Single

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Active Comparator: Triamcinolone (20 g) and 2% Lidocaine injection over A1 pulley; Group one subjects will receive an injection of 0.5mL (20 g) of Triamcinolone and 0.5 mL of 2% Lidocaine over the A1 pulley.	Procedure: Triamcinolone (20 g) and 2% Lidocaine injection over the A1 pulley; Drug: 2% Lidocaine; Drug: Triamcinolone (20 g)
Experimental: J-tip lidocaine administration, then steroid injection; Group two subjects will receive a needle free "J-tip" administration of 0.5mL of 2% lidocaine prior (2-10 minutes) to needle injection of 0.5mL of Triamcinolone (20 g) over the A1 pulley.	Drug: 2% Lidocaine; Drug: Triamcinolone (20 g); Procedure: J-tip lidocaine administration; Procedure: Triamcinolone (20 g) Injection over the A1 pulley.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Difference in Visual-analog Score (VAS) for Anticipated Pain Prior to Injection and Actual Pain After Injection	Members of both study groups completed the Visual Analog Scale (VAS) pain assessment both prior for anticipated pain and after injection for actual pain; these recorded scores were the primary study endpoint and were later compared to determine the difference in anticipated pain versus actual pain experienced. The VAS ranges from 0-10, where 0 is no pain and 10 is worst possible pain. The outcome measure is the mean anticipated pain minus the actual pain experienced.	Our outcome measure was collected within the 60 seconds before and following the steroid injection.

Collaborators and Investigators

• Sponsor: Brigham and Women's Hospital
• Investigators: Principal Investigator: Philip E Blazar, MD, Brigham and Women's Hospital

Publications and helpful links

General Publications

• Lapidus PW, Guidotti FP. Stenosing tenovaginitis of the wrist and fingers. Clin Orthop Relat Res. 1972 Mar-Apr;83:87-90. doi: 10.1097/00003086-197203000-00015. No abstract available.
• Murphy D, Failla JM, Koniuch MP. Steroid versus placebo injection for trigger finger. J Hand Surg Am. 1995 Jul;20(4):628-31. doi: 10.1016/S0363-5023(05)80280-1. Erratum In: J Hand Surg [Am] 1995 Nov;20(6):1075.
• Rhoades CE, Gelberman RH, Manjarris JF. Stenosing tenosynovitis of the fingers and thumb. Results of a prospective trial of steroid injection and splinting. Clin Orthop Relat Res. 1984 Nov;(190):236-8.
• Lysakowski C, Dumont L, Tramer MR, Tassonyi E. A needle-free jet-injection system with lidocaine for peripheral intravenous cannula insertion: a randomized controlled trial with cost-effectiveness analysis. Anesth Analg. 2003 Jan;96(1):215-9, table of contents. doi: 10.1097/00000539-200301000-00044.
• Ferayorni A, Yniguez R, Bryson M, Bulloch B. Needle-free jet injection of lidocaine for local anesthesia during lumbar puncture: a randomized controlled trial. Pediatr Emerg Care. 2012 Jul;28(7):687-90. doi: 10.1097/PEC.0b013e31825d210b.
• Jimenez N, Bradford H, Seidel KD, Sousa M, Lynn AM. A comparison of a needle-free injection system for local anesthesia versus EMLA for intravenous catheter insertion in the pediatric patient. Anesth Analg. 2006 Feb;102(2):411-4. doi: 10.1213/01.ane.0000194293.10549.62.
• Spanos S, Booth R, Koenig H, Sikes K, Gracely E, Kim IK. Jet Injection of 1% buffered lidocaine versus topical ELA-Max for anesthesia before peripheral intravenous catheterization in children: a randomized controlled trial. Pediatr Emerg Care. 2008 Aug;24(8):511-5. doi: 10.1097/PEC.0b013e31816a8d5b.
• Kolind-Sorensen V. Treatment of trigger fingers. Acta Orthop Scand. 1970;41(4):428-32. doi: 10.3109/17453677008991530. No abstract available.

Study record dates

Study Major Dates

• Study Start: March 1, 2014
• Primary Completion (Actual): March 1, 2015
• Study Completion (Actual): June 1, 2015

Study Registration Dates

• First Submitted: March 5, 2014
• First Submitted That Met QC Criteria: March 10, 2014
• First Posted (Estimate): March 12, 2014

Study Record Updates

• Last Update Posted (Estimate): December 12, 2016
• Last Update Submitted That Met QC Criteria: October 27, 2016
• Last Verified: October 1, 2016

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Musculoskeletal Diseases; Muscular Diseases; Tendinopathy; Tendon Entrapment; Trigger Finger Disorder; Physiological Effects of Drugs; Molecular Mechanisms of Pharmacological Action; Anti-Arrhythmia Agents; Central Nervous System Depressants; Peripheral Nervous System Agents; Enzyme Inhibitors; Sensory System Agents; Anesthetics; Anti-Inflammatory Agents; Immunosuppressive Agents; Immunologic Factors; Glucocorticoids; Hormones; Hormones, Hormone Substitutes, and Hormone Antagonists; Membrane Transport Modulators; Anesthetics, Local; Voltage-Gated Sodium Channel Blockers; Sodium Channel Blockers; Lidocaine; Triamcinolone; Triamcinolone Acetonide; Triamcinolone hexacetonide; Triamcinolone diacetate
• Other Study ID Numbers: 2013P002370