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J Bone Joint Surg Am. 1994 Dec;76(12):1834-9.

Revision of the acetabulum without cement with use of the Harris-Galante porous-coated implant. Two to eight-year results.

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1
Division of Orthopaedic Surgery, University of North Carolina, Chapel Hill 27599-7055.

Abstract

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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