Abstract
Fifty patients who had revision femoral components with morselized impacted bone graft were studied in a retrospective, matched-pair analysis. In 25 patients the morselized graft was derived from cortical bone (Group A) and in 25 patients the morselized graft was derived from cancellous bone (Group B). The patients were matched for age, gender, weight, comorbid conditions, severity of bone loss, and allograft preparation. At a mean of 5.2 years followup (range, 3-7 years) after surgery, the mean Harris ?hip score and the mean thigh score in Group A was 88 and 1.2 points, respectively, and in Group B was 88 and 2.3 points, respectively. Subsidence greater than 5 mm and radiolucent lines on more than 20% of the stem interfaces were seen in fewer patients from Group A (three and two patients) than from Group B (eight and five patients). There was a correlation between radiolucent lines on more than 50% of the stem, stem subsidence, and thigh pain. The current study showed significantly better results using morselized cortical allograft when assessed by early clinical outcome, thigh pain, and stem subsidence greater than 5 mm.
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