Rheumatoid MCPJ
Deformity
Ulna drift & volar dislocation
Causes of MCPJ Deformity
Ulna Drift / Ulna Dislocation
1. Physiological
Ulna drift & volar dislocation
Ulna Drift / Ulna Dislocation
1. Physiological
1. PIPJ Synovitis
- synovectomy via dorsomedial approach
2. Flexor tenosynovitis
- may cause trigger finger
- trial HCLA
- remove synovits but don't release A1 pulley
- will worsen ulna drift
3. DIPJ
- rarely affects
1987 American College of Rheumatology
Need 4/7 (MAX RANS)
1. Morning Stiffness
2. Arthritis of 3 areas > 6/52
3. Xray changes
4. Rh factor
5. Arthritis of Hand > 6/52
6. Nodules
7. Symmetric Arthritis > 6/52