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J Bone Joint Surg Br. 2005 Apr;87(4):463-4.

Femoral neck fractures following Birmingham hip resurfacing: a national review of 50 cases.

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1
Melbourne Orthopaedic Group, 33 The Avenue, Windsor, Victoria 3181, Australia. ashimmin@optusnet.com.au

Abstract

Between April 1999 and April 2004, 3497 Birmingham hips were inserted by 89 surgeons. Fracture of the neck of the femur occurred in 50 patients, an incidence of 1.46%. Complete data were available for 45 patients in whom the incidence was 1.91% for women and 0.98% for men. The relative risk of fracture for women vs men was 1.94961 and this was statistically significant (p < 0.01). The mean time to fracture was 15.4 weeks. In women the fractures occurred at a mean of 18.5 weeks and were more likely to have been preceded by a prodromal phase of pain and limping. In men the mean time to fracture was 13.5 weeks. Significant varus placement of the femoral component, intra-operative notching of the femoral neck and technical problems were common factors in 85% of cases.

PMID:
15795193
DOI:
10.1302/0301-620X.87B4.15498
[Indexed for MEDLINE]
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