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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_29 | Pages 81 - 81
1 Aug 2013
du Plessis L le Roux T Becker P
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Purpose of the study:

Improved technology, increasing experience and techniques warrant an analysis of cost effective ways of medical management in general and shoulder decompression specifically. The question raised was whether a less invasive technique is necessarily the most cost effective way or merely the surgeons' preferred technique.

This is a retrospective study of patients at Tertiary Academic Institution who underwent an open or arthroscopic shoulder decompression in the past 3 years.

The aim of the study is to do a cost analysis of shoulder surgery as private health care (medical aid) is demanding more cost effective procedures and we have limited funds in the Government setting.

Methods:

We focused on the following: the surgeon; the procedure; operating time; inpatient time; intraoperative block; physiotherapy costs, time off work and the cost of instrumentation used. Patients had to comply with specific inclusion and exclusion criteria.

Inclusion: All patients that had shoulder decompression surgery in the past three years by a qualified orthopaedic surgeon; Exclusion: sepsis, tumours, rotator cuff tears, conversion of an arthroscopic procedure to an open procedure intraoperatively, inadequate notes, multiple surgical procedure under the same anaesthetic (e.g. scope with a trapezium excision).


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_III | Pages 276 - 276
1 Sep 2005
de Beer M Boon J van der Merwe A Scholtz M Becker P
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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.