To better understand the load distribution in the Thumb Carpometacarpal Joint (CMC joint) in presence of osteoarthritis and how surgery by means of a suspension-resection arthroplasty or a joint replacement by means of a metal prosthesis affects this load distribution. These studies allow to supporting medical decisions and surgical treatments results with biomechanical evidence.The clinical management of the patients will be adapted to the treatment standards of the Orthopedic Surgery and Traumatology Service of the Hospital de la Santa Creu i Sant Pau, without the performance of this study influencing this process.
Primary Osteoarthritis in thumb CMC joint in the hand
Adults aged between 50 and 88 years old included.
Thumb CMC joint osteoarthritis, radiographic stages II, III and IV by Eaton- Littler classification (1973).
Asymptomatic primary osteoarthritis in thumb CMC joint
Patients with osteoarthritis and age less than 50 years or more than 88 years.
Patients who have had previous interventions in the area, in this joint, injuries in this hand or fractures.
Patients with rheumatic diseases or collagen diseases that create joint instability.