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J Arthroplasty. 2014 Jan;29(1):225-8. doi: 10.1016/j.arth.2013.04.025. Epub 2013 May 20.

Results of a tapered proximally-coated primary cementless stem for revision hip surgery.

Author information

1
Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Reconstruction, Sinai Hospital of Baltimore, Baltimore, Maryland.

Abstract

Nineteen patients (nineteen hips) who had undergone revision total hip arthroplasties using a proximally-coated primary cementless stem were evaluated to determine if a subset of revision arthroplasty patients could be identified where the use of this stem would be appropriate. Of these 19 revisions, 15 were performed for the second stage treatment of infection. The femoral bone deficiency was classified as Paprosky Type I in 6 hips and Type II in 13 hips. At a mean follow-up of 49 months, aseptic stem survivorship was 95% with one revision due to aseptic stem failure. The mean Harris hip scores had improved from a mean of 44 points pre-operatively to 89 points post-operatively. Intra-operatively, there was one complication which included a peri-prosthetic fracture distal to the stem which was treated with an allograft strut with cerclage wires. The authors believe that in type I or II femoral defects, the use of this specific cementless stem may be beneficial in the setting of a revision total hip arthroplasty.

KEYWORDS:

cementless stem; clinical outcomes; complications; implant survivorship; revision total hip arthroplasty

PMID:
23702266
DOI:
10.1016/j.arth.2013.04.025
[Indexed for MEDLINE]
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