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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 70 - 70
1 Sep 2012
Cazeneuve J Cazeneuve J Hassan Y Hilaneh A
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This clinical study analyzes the long-term outcomes and potential complications of the Grammont's reverse prosthesis in case of trauma in elderly population.

Between January 1993 and May 2010, thirty-seven consecutive patients with 26 three- and four-part fractures and 11 fracture-dislocations, mean age 75 (58 to 92) were evaluated with a mean follow-up of 7.3 years.

Eight complications occurred: 2 complex sympathetic dystrophies, 3 dislocations, 2 deep infections and one aseptic loosening of the base-plate leading to 3 re-operations and 2 prosthesis revisions. The mean Constant's score dropped from 55 at two year follow-up to 52 (20 to 84) at last revision because of an augmentation of the pain and a diminution of the strength which represented 67% of the mean score for the injured side. Mean modified Constant's score was 68. Only 58% were satisfied or very satisfied because of poor internal and external rotations avoiding nourishment with utensils, dressing and personal hygiene when the dominant side was involved.

Two complete glenoid borders, fourteen stable inferior spurs, twenty-one inferior scapular notches including ten of them with medial proximal humeral bone loss or radio lucent lines between the bone and the cement were observed. Notches were more important in size when the follow-up was longer. 62% of the patients had worrying images.

The crossing of the clinical and radiological data showed a degradation of the mean Constant's score (41) for pain and strength in cases of notches with troubling proximal humeral images. In spite of only one case of aseptic loosening at 12 year follow-up, results are disappointing and complications and revisions rates important. The functional result is never equal to the pre-broken state. New developments in design, bearing surfaces and surgical technique and a more long term results will refine the role of the reverse concept for fracture.