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Updated: Apr 5, 2026
Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
Shoulder Hemiarthroplasty for Trauma: does a Tuberosity Friendly Prosthesis Improve Outcome?
Maire-Clare Killen1, Suzanne Lane1, Charalambos P Charalambous1
1Department of Orthopaedics, Blackpool Victoria Hospital, Blackpool, UK.
Shoulder hemiarthroplasty with tuberosity-friendly features achieved union in proximal humeral fractures. However, superior migration occurred in some patients, suggesting reverse shoulder arthroplasty may be better for elderly individuals.
Area of Science:
- Orthopedic surgery
- Trauma surgery
- Arthroplasty
Background:
- Shoulder hemiarthroplasty outcomes for proximal humeral fractures are often poor.
- Tuberosity non-union and rotator cuff disruption are common complications.
- Newer implant designs aim to improve tuberosity fixation.
Purpose of the Study:
- To evaluate outcomes of a "tuberosity friendly" shoulder hemiarthroplasty system.
- To assess treatment of multi-fragmentary proximal humeral fractures.
Main Methods:
- Analysis of 12 patients undergoing Exactech Equinoxe hemiarthroplasty.
- Two-year study period.
- Assessment of radiological and clinical outcomes.
Main Results:
- All 12 patients achieved radiological tuberosity union.
- Five patients experienced superior humeral head migration.
- Median Oxford shoulder score was 25.7 (range 11-43).
Conclusions:
- Trauma hemiarthroplasty systems can ensure tuberosity fixation and union with good technique.
- Rotator cuff disruption can still lead to prosthesis migration.
- Reverse shoulder arthroplasty may be more suitable for elderly patients with complex fractures.
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