Ultrasound Guided Transversus Abdominis Plane (TAP) vs. Trigger Point Injection (TPI) for Abdominal Wall Pain

• Status: Completed
• Trial end date: 2019-08-18
• Target enrollment: 0
• Participant gender: All

Summary

Patients with chronic abdominal pain- with a component of abdominal wall pain- are often treated with trigger point injections. This study will help to determine if a block within the transversus abdominis plane (TAP) will provide superior analgesic benefit to a trigger point injection as therapy for these patients.

• Phase: Phase 2
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Mayo Clinic
• Treatments: Bupivacaine; Triamcinolone; Triamcinolone Acetonide; Triamcinolone diacetate; Triamcinolone hexacetonide

Criteria

Inclusion Criteria:

Only patients referred to Pain Clinic for a trigger point injection.

• Non-cancer pain greater than 3 months duration.

• Unilateral abdominal pain.

• Positive Carnett's sign (A test in which acute abdominal pain remains unchanged or increases when the muscles of the abdominal wall are tensed.)

• An identifiable abdominal trigger point.

Exclusion Criteria:

• History of chronic psychotic disorder.

• History of dementing illness.

• Active abdominal visceral disease as a known contributor of the pain.

• Abdominal surgery in the past 6 months.

• More than one trigger point.

• Abdominal wall hernias.

• BMI>40.