Effectiveness of Percutaneous Pulley Release With Infiltration, Versus Infiltration Alone in Trigger Finders

Inclusion Criteria: * Patient ≥ 18 years old, * Presence of a trigger finger (thumb or long fingers) to be treated * Quinnell score \>1 * Episode of trigger characterized on questioning or clinical examination * Failure of a first corticosteroid infiltration \> 3 months before inclusion * First infiltration within 15 months of inclusion * Thickening A1 pulley on ultrasound ≥ 0.5 mm * Patient who has the capacity to understand the protocol and has given consent to participate in the research, * Patient with social security coverage Exclusion Criteria: * Presence of several symptomatic fingers requiring treatment by ultrasound-guided section of the pulley * Patient who are pregnant, breastfeeding, or who have the potential to become pregnant without effective contraception at the time of inclusion * Known allergy to corticoid (Hydrocortancyl®) including its excipients ((benzyl alcohol, sodium carmellose, sodium chloride, polysorbate 80) * Known allergies to lidocaine * Ongoing anticoagulant treatments (AVK, New Oral Anti-Coagulants) * Local or general infection, or suspicion of infection * Live vaccines * Evolving viruses (hepatitis, herpes, varicella, shingles) * Severe or uncontrolled hypertension * Unbalanced diabetes * Underlying progressive cardiovascular disease * Hemodialysis patients * Prosthesis on the finger to be treated * Echographic tendon fissure * Inflammatory disease (rheumatoid arthritis, spondyloarthritis, connective tissue diseases, etc.) with tenosynovitis. * History of surgery on the fingers * Dupuytren's disease * Patient participating in another interventional clinical research protocol involving a drug or medical device * Patient under guardianship, curators or legal protection