The aim of this work trial is to compare the effectiveness of blind and ultrasound guided injection for Morton neuroma in order to determine which is more appropriate as the initial procedure in conservative treatment
This is a evaluator-blinded randomized trial. The final sample size has been calculated to be 100 patients. 50 of group 1 are going to be injected by an experimented orthopaedic surgeon based on anatomic landmark. 50 of group 2 are going to be injected by an experimented musculoskeletal radiologist under ultrasound guidance. The inclusion criteria are clinical suspicion of Morton neuroma confirmed in ultrasound scan. Included patients are assessed clinically by VAS score, the Manchester Foot Pain and Disability Schedule (MFPDS), and a generic quality-of-life instrument, the EQ-5D. Injection includes 1 cc of 2% mepivacaine and 40 mg of triamcinolone in each web space with Morton Neuroma. According evolution until 4 injections were allowed the first 2 months of follow-up, Follow up was performed by phone calls and/or scheduled consultations at 15 days, 1 month, 45 days, 2 months, 3 months, 6 months and 1 year. Statistical analysis was performed by unpaired Student's t test
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
100
Introduction of a needle based in anatomical landmark
blind injection of 1 cc of Mepivacaine Normon 2% ®
blind injection of 40 mg of triamcinolone (trigon depot ®)
Complejo Hospitalario Universitario Granada
Granada, SPA, Spain
RECRUITINGPain (VAS score)
Pain relieve
Time frame: 1 year
Manchester foot pain and disability index
Disability measurement
Time frame: 1 year
Generic quality-of-life instrument, the EQ-5D
Quality of life measurement
Time frame: 1 year
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Introduction of a needle based guided by ultrasound
ultrasound guided injection of 1 cc of Mepivacaine Normon 2% ®
ultrasound guided injection of 40 mg of triamcinolone (trigon depot ®)