Efficacy of Surgical Joint Denervation in Painful Digital Osteoarthritis

Who can take part

• Age ≥ 18 years
• Patients with symptomatic digital osteoarthritis according to the criteria of the American College of Rheumatology
• 1 painful PIP joint (Analog digital scale ≥ 4/10) for more than 3 months
• having failed the usual medical treatment for a minimum of 3 months (level 1 analgesics, NSAIDs, infiltrations)
• Signature of informed consent
• patient affiliated to a social security scheme
• knowing how to read French (for the questionnaires)

Who cannot take part

• anesthetic contraindications to surgery or to performing an MRI
• Use of oral, intramuscular or intra-articular or intravenous corticosteroids, immunosuppressants (methotrexate, sulfasalazine, leflunomide, biomedicines), hyaluronic acid infiltration in the finger joints in the previous month
• Introduction of a new treatment for osteoarthritis of the hand in the previous month, including physiotherapy and fitting of a new finger orthosis
• Participation in another interventional research involving the human person or period of exclusion at the end of a previous research involving the human person
• Existence of a pain syndrome in the upper limbs, which would interfere with the assessment of AD
• History of denervation of the proximal interphalangeal joint (PIP)
• digital osteoarthritis secondary to other known causes (eg gout, reactive arthritis, RA, psoriatic arthritis, spondyloarthropathies, septic arthritis)
• Fibromyalgia
• Patient under legal protection (guardianship or curatorship) and patient deprived of liberty
• Patient under AME