The Journal of Bone and Joint Surgery, Vol 76, Issue 12 1834-1839, Copyright © 1994 by Journal of Bone and Joint Surgery, Inc
Revision of the acetabulum without cement with use of the Harris-Galante porous-coated implant. Two to eight-year results
PF Lachiewicz and OD Hussamy
Division of Orthopaedic Surgery, University of North Carolina, Chapel Hill 27599-7055.
Sixty revision total hip arthroplasties were performed in fifty-nine
patients with use of the Harris-Galante-I porous-coated acetabular
component. The patients were followed prospectively for a mean of five
years (range, two to eight years). Multiple small screws were used for
fixation of the component in all of the hips. Bulk allograft or cancellous
bone graft was placed in forty-eight hips. The hips were evaluated
clinically with use of the Harris hip-scoring system. A component was
considered to be loose if there was a change in the cup angle of more than
5 degrees or vertical or horizontal migration of more than two millimeters,
as demonstrated on serial radiographs. Forty-eight (80 per cent) of the
sixty hips had a score of good or excellent at the time of the most recent
follow-up. No component had radiographic evidence of loosening, and there
were no broken screws or radio-lucent lines around the screws. Osteolysis
of the pelvis was not seen in any patient. One hip was debrided because of
a late metastatic deep infection, but the components were not removed. At
the time of writing, no acetabular component had been revised and no
revisions were pending. There were no complications related to the use of
multiple small screws, even in the acetabula in which there was a severe
deficiency of bone.(ABSTRACT TRUNCATED AT 250 WORDS)
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