The Journal of Bone and Joint Surgery, Vol 75, Issue 5 740-751, Copyright © 1993 by Journal of Bone and Joint Surgery, Inc
Total hip replacement without cement for non-inflammatory osteoarthrosis in patients who are less than forty-five years old
MA Mont, DC Maar, KA Krackow, MA Jacobs, LC Jones and DS Hungerford
Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland.
Forty-two patients (forty-four hips) who, at an age of less than forty-five
years, had a total hip replacement without cement for the treatment of
non-inflammatory osteoarthrosis, were followed for three to seven years
(average, four and one-half years). At the latest follow-up evaluation,
thirty-seven hips (84 per cent) had an excellent Harris rating; three (7
per cent), good; one (2 per cent), fair; and three (7 per cent), poor. The
mean Harris hip score was 92 points, compared with 43 points before the
operation. Two hips (5 per cent) had a revision due to complications. In
another hip, there was a progressive radiolucent line around the femoral
component, increased shedding of beads, and a low score for fixation and
stability, according to the criteria of Engh et al. We concluded that total
hip arthroplasty without cement, at least for the time-period studied, has
a high rate of success for the management of patients less than forty-five
years old who have non-inflammatory osteoarthrosis of the hip.
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