Shoulder Arthroplasty

Biologic alternatives to shoulder arthroplasty

In our practice, few situations exist in which biologic surface replacement of the humeral head is more advantageous than conventional humeral head replacement with a stemmed or new stemless implant. In addition, use of biologic replacement hinders glenoid exposure and…

Stemless shoulder arthroplasty

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Results and complications

The results of unconstrained shoulder arthroplasty for fracture have been reported by multiple investigators. The overall results have been very disappointing and are not comparable with those obtained for chronic conditions such as primary osteoarthritis. The advances in unconstrained arthroplasty…

Humeral prosthetic positioning

Humeral prosthetic positioning remains the most difficult step in performing unconstrained humeral head arthroplasty or reverse shoulder arthroplasty for fracture. Placing the humeral component excessively proud or in excessive retroversion may result in loss of fixation and subsequent migration of…

Preoperative planning and imaging

Preoperative planning is important for all shoulder arthroplasty indications, but it is most crucial for fracture cases. Although proximal humeral anatomy may be somewhat distorted by prolonged wear and osteophyte formation in cases of chronic disease for which shoulder arthroplasty…

Indications and contraindications

The use of unconstrained humeral head replacement or reverse shoulder arthroplasty in cases involving acute fracture represents perhaps the most difficult indication for shoulder arthroplasty. Patients who are candidates for arthroplasty after proximal humeral fracture tend to be older, with…

Results and complications

Reports on the results of reverse shoulder arthroplasty are becoming more common as implantation of this type of shoulder arthroplasty increases. The results vary predominantly by the underlying indication for which the arthroplasty was performed. The results and complications presented…