This is an important paper in that the authors are from a center other than that from which the component design originates.
"Cementless resurfacing" sounds like a slick, minimally invasive method for managing osteoarthritis of the shoulder. In reality, however, glenohumeral arthritis involves both the glenoid and humeral articular surfaces. Preservation of the humeral head and neck blocks access to the glenoid so that a glenoid arthroplasty is difficult and failing to do a glenoid arthroplasty fails to address the pathology as shown below.
In this report of 46 patients with a minimum followup of 2 years, 1 experienced anteriosuperior escape from an overstuffed joint, 12% had at least moderate glenoid erosion, and one experienced a three part periprosthetic fracture.
The mean age-adjusted Constant score in this study (75.1%) were not as good as those achieved in the designer’s institution (91%).
Our preferred method for restoring the humeral articular surface is versatile, provides access to the glenoid and to this point has been free from periprosthetic fracture.
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