Clinical Evaluation of Reverse Versus Anatomic Shoulder Arthroplasty Techniques in the Treatment of Osteoarthritis

Participation Requirements

• Sex:

  ALL

• Eligible Ages:

  65 and up

Participation Criteria

Inclusion Criteria:

1. Patients who have failed standard non-surgical management of their shoulder osteoarthritis who would benefit from a shoulder arthroplasty. Failed medical management will be defined as persistent pain and disability despite adequate standard non-operative management for 6 months. Medical management will be defined as:

1. The use of drugs including analgesics and non-steroidal anti-inflammatory drugs
2. Physiotherapy consisting of stretching, strengthening and local modalities (ultrasound, cryotherapy, etc.)
3. Activity modification
2. Imaging, and intra-operative findings confirming advanced gleno-humeral cartilage loss
3. Patients may present with a glenoid deficiency and \>15 degrees of retroversion
4. 65 years of age and older

Exclusion Criteria:

1. Active joint or systemic infection
2. Rotator cuff arthropathy
3. Need for an augmented glenoid component or a bone graft to correct version to within 10 degrees of neutral
4. Retroversion cannot be surgically corrected to within 10 degrees of neutral with a "high- side" ream technique
5. Significant muscle paralysis
6. Charcot's arthropathy
7. Major medical illness (life expectancy less than 1 year or unacceptably high operative risk)
8. Active Workers Compensation Board (WCB) claim
9. Unable to understand the consent form/process
10. Psychiatric illness that precludes informed consent
11. Unwilling to be followed for the duration of the study
12. History of previous shoulder surgery on affected side