ANATOMICAL CONSIDERATION OF THE GLENOID AS APPLIED TO TOTAL SHOULDER ARTHROPLASTY

M.A. de Beer; J.M. Boon; A. van der Merwe; M.E. Scholtz; P.J. Becker

doi:10.1302/0301-620X.87BSUPP_III.0870276a

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ANATOMICAL CONSIDERATION OF THE GLENOID AS APPLIED TO TOTAL SHOULDER ARTHROPLASTY

M.A. de Beer
J.M. Boon
A. van der Merwe
M.E. Scholtz
P.J. Becker

ANATOMICAL CONSIDERATION OF THE GLENOID AS APPLIED TO TOTAL SHOULDER ARTHROPLASTY

de Beer M, Boon J, van der Merwe A, Scholtz M, Becker P. ANATOMICAL CONSIDERATION OF THE GLENOID AS APPLIED TO TOTAL SHOULDER ARTHROPLASTY. Orthop Procs. 2005;87-B(SUPP_III):276-276. doi:10.1302/0301-620X.87BSUPP_III.0870276a

de Beer, M.A., et al. “ANATOMICAL CONSIDERATION OF THE GLENOID AS APPLIED TO TOTAL SHOULDER ARTHROPLASTY.” Orthopaedic Proceedings, vol. 87-B, no. SUPP_III, 2005, pp. 276-276., https://doi.org/10.1302/0301-620X.87BSUPP_III.0870276a

de Beer, M., Boon, J., van der Merwe, A., Scholtz, M., & Becker, P. (2005). ANATOMICAL CONSIDERATION OF THE GLENOID AS APPLIED TO TOTAL SHOULDER ARTHROPLASTY. Orthopaedic Proceedings, 87-B(SUPP_III), 276-276. https://doi.org/10.1302/0301-620X.87BSUPP_III.0870276a

de Beer, M., Boon, J., van der Merwe, A., Scholtz, M. and Becker, P. (2005) “ANATOMICAL CONSIDERATION OF THE GLENOID AS APPLIED TO TOTAL SHOULDER ARTHROPLASTY.” Orthopaedic Proceedings, 87-B(SUPP_III), pp. 276-276. Available at: https://doi.org/10.1302/0301-620X.87BSUPP_III.0870276a

de Beer, M.A., J.M. Boon, A. van der Merwe, M.E. Scholtz, and P.J. Becker. “ANATOMICAL CONSIDERATION OF THE GLENOID AS APPLIED TO TOTAL SHOULDER ARTHROPLASTY.” Orthopaedic Proceedings 87-B, no. SUPP_III (2005): 276-276. https://doi.org/10.1302/0301-620X.87BSUPP_III.0870276a

de Beer M, Boon J, van der Merwe A, Scholtz M, Becker P. ANATOMICAL CONSIDERATION OF THE GLENOID AS APPLIED TO TOTAL SHOULDER ARTHROPLASTY. Orthop Procs. 2005 Sep 1;87-B(SUPP_III):276-276. https://doi.org/10.1302/0301-620X.87BSUPP_III.0870276a

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Abstract

Loosening of the glenoid component after total shoulder arthroplasty is the most common indication for revision surgery and the reason for 40% of postoperative complications. Presupposing that implants would survive better in areas with higher bone mineral density (BMD), we aimed to determine BMD of the cancellous part of the glenoid and the dimensions of its cortical bone.

Using spiral CT scans of the left and right shoulders of 45 men and 25 women with no shoulder pathology, we assessed the BMD of the anterior, middle and posterior subcortical planes of the cancellous part of the glenoid at the superior, middle and inferior levels. The cortical thickness was measured at corresponding sites.

In both sexes, at all three levels we found the posterior plane had the highest BMD and cortical thickness.

These findings indicate that BMD varies between planes and areas of cancellous bone in the glenoid. This may influence the engineering of future implants.

Secretary: Dr H.J.S. Colyn, Editor: Professor M.B.E. Sweet. Correspondence should be addressed to SAOA, Box 47363, Parklands, Johannesburg, 2121, South Africa.