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Shoulder arthroplasty with the Neer Mark-II prosthesis.
L H Frich1, B N Møller, O Sneppen
1Orthopaedic Hospital, Aarhus, Denmark.
Archives of Orthopaedic and Traumatic Surgery. Archiv Fur Orthopadische Und Unfall-Chirurgie
|January 1, 1988
Summary
Total shoulder replacement effectively relieved pain in most patients, particularly those with osteoarthritis. While rheumatoid arthritis patients saw improved motion, full range of motion was not restored.
Area of Science:
- Orthopedic Surgery
- Rheumatology
- Biomedical Engineering
Background:
- Chronic severe pain significantly impacts shoulder joint function.
- Rheumatoid arthritis, osteoarthritis, and traumatic arthritis are common causes of shoulder joint pain.
- Total shoulder joint replacement is a surgical option for severe shoulder conditions.
Purpose of the Study:
- To evaluate the efficacy of total shoulder joint replacement in managing pain, improving motion, and restoring function.
- To compare outcomes across different types of arthritis (rheumatoid, osteoarthritis, traumatic).
Main Methods:
- A cohort of 50 patients underwent total shoulder joint replacement.
- Patients were categorized by arthritis type: rheumatoid (35), osteoarthritis (8), and traumatic (7).
- Follow-up duration ranged from 12 to 42 months, averaging 27 months.
Main Results:
- Pain relief was achieved in 46 out of 50 shoulders.
- The osteoarthritic group demonstrated the best outcomes in pain, motion, and function.
- Rheumatoid arthritis patients experienced significant pain relief and increased range of motion, though not full restoration.
Conclusions:
- Total shoulder joint replacement is an effective treatment for chronic severe shoulder pain.
- Outcomes vary by arthritis type, with osteoarthritis yielding superior results.
- While improving function, potential complications like loosening and nerve palsy require consideration.