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Acta Orthop Scand. 2003 Aug;74(4):375-9.

Good performance of a titanium femoral component in cementless hip arthroplasty in younger patients: 97 arthroplasties followed for 5-11 years.

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Department of Orthopaedics, Rigshospitalet University Hospital, Copenhagen, Denmark.


We performed 97 uncemented primary total hip arthroplasties in 80 patients having an average age of 50 years. The femoral implant was a titanium stem with a proximal circumferential plasma spray-coating. Three different acetabular components were used: a threaded and partly porous-coated design in 70% of the cases. The average follow-up period was 8 years. 1 stem was revised 9 years after insertion due to a comminuted fracture of the proximal femur, 1 stem was revised 9 years after insertion due to a deep infection. No stem revisions were due to aseptic loosening. 1 femora had areas of distal osteolysis associated with a deep infection, but no signs of proximal loosening. 3 femora had areas of minor proximal osteolysis. 16 acetabular components (14 threaded) had been revised in 13 patients. The average Harris hip score was 91 points at the latest follow-up. We conclude that the uncemented titanium femoral component with a circumferential porous coating performed well in these patients, most of whom were young. As reported previously, aseptic loosening of threaded acetabular components was common.

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