Analysis of Articular Biomarkers From Osteoarthritic Thumb Basal Joints

Summary

The study project aims at examining molecular markers in synovial fluid, bone and articular cartilage from osteoarthritic thumb basal joints. The degradation of extracellular matrix (ECM) proteins in thumb basal joints will be evaluated in association to the metabolic profile of the patient, but we also aim to compare the ECM degradation and inflammatory profiles with articular cartilage degradation ECM profile from knee joints with osteoarthritis. A third aim is to evaluate associations between patient-reported hand function, pain, strength and range of thumb motion to analyses of synovial fluid.

Eligibility

Inclusion Criteria:

* Men and women age ≥ 25 years
* Radiologically confirmed and symptomatic thumb basal joint osteoarthritis (OA) planned for trapeziectomy

Exclusion Criteria:

* Previous surgery to the affected thumb basal joint
* Post-traumatic thumb basal joint OA
* Rheumatoid arthritis or other chronic inflammatory arthritis, history of psoriasis affecting joints, gout or pseudogout
* Ongoing infection in the hand or wrist
* Inability to co-operate with the follow-up protocol or to assimilate information about the study protocol (language difficulties, severe psychiatric disorder, cognitive impairment, drug addiction)
* Systemic or intra-articular glucocorticoids or intraarticular platelet-rich plasma or hyaluronic acid injections in the affected joint within 3 months prior to enrollment

Conditions4

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