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A consecutive cohort of 3076 Birmingham Hip Resurfacings from a single institution was analyzed. The prevalence of femoral neck fracture, the time to fracture, and the outcome after revision were investigated. Fractures occurred in 34 hips (prevalence, 1.1%). Median time to fracture was 0.27 year (range, 0.014-11.2 years). Mean operation time for revision was 59 minutes, and 71% underwent isolated femoral component revision. At a mean follow-up of 5.5 years since revision, 3 patients required re-revision (2 aseptic loosening, 1 for sepsis) giving a survival of 95.7% (confidence interval, 86.9%-100%) at 5 years for the revision. Median Oxford Hip Score was 12.5% (interquartile range, 3.2%-32.3%). There were no cases of radiologic failure during follow-up. Most fractures occur early after hip resurfacing and were straightforward to revise.

Original publication

DOI

10.1016/j.arth.2012.04.035

Type

Journal article

Journal

The Journal of arthroplasty

Publication Date

01/2013

Volume

28

Pages

147 - 153

Addresses

Royal Orthopaedic Hospital, Northfield, Birmingham, United Kingdom.

Keywords

Humans, Femoral Neck Fractures, Prosthesis Failure, Arthroplasty, Replacement, Hip, Reoperation, Hip Prosthesis, Adult, Aged, Middle Aged, Female, Male, Young Adult, Periprosthetic Fractures, Kaplan-Meier Estimate, Hemiarthroplasty