The total hip
replacement after failure of hemiarthroplasty (unipolar or bipolar) has been
associated with very high rates complications (intra- and postoperative).
Forty
patients 24 males and 16 females with a mean age of 58 years (range: 48-68)
had total hip arthroplasty (THA) revision of aseptic loosening of hip
hemiarthroplasty. The mean duration of the follow-up was 42 months (range:
30-72), and the cases lost in follow up were excluded from the study.
Failure was
defined as revision arthroplasty or radiographic evidence of stem loosening,
indicated by an Engh fixation score ≤ 10. Vertical femoral migration of >5
mm was defined as subsidence.
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