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KMID : 0386720080200010059
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Journal of the Korean Hip Society
2008 Volume.20 No. 1 p.59 ~ p.69
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Mid-term Results of Primary Cementless Total Hip Arthroplasty with a Fiber Metal Taper Femoral Component and Trilogy Acetabular Cup
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Suh Kuen-Tak
Shin Jong-Ki
Lee Jung-Sub
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Abstract
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Purpose: This study examined the results of cementless total hip arthroplasty using a circumferentially porous coated tapered femoral stem and a porous coated acetabular cup after a follow up of more than 5 years.
Materials and Methods: Fifty-seven hips in 52 patients, who underwent primary total hip arthroplasty with a Versys Fiber Metal Taper femoral stem (Zimmer, Warsaw, IN) and Trilogy acetabular cup (Zimmer) between September 1998 and December 2001, were followed up for more than 5 years after surgery.
Results: The mean Harris hip score increased from 56.6 to 96.0 points. There was no osteolysis in the femur and acetabulum. Endosteal bone formation was observed in 53 hips (92.9%) mainly in Gruen zones II and VI. There was no stem subsidence, and no significant migration or tilting of the acetabular cup. The survival with an acetabular and femoral revision for aseptic loosening was 100%, respectively.
Conclusion: After a follow-up of more than 5 years, cementless total hip arthroplasty using a circumferentially porous coated tapered femoral stem and a porous coated acetabular cup showed excellent results with good bone ingrowth, as well as no stem and cup migration and no osteolysis around the distal femur and acetabulum. However, a longer term follow up will be necessary.
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KEYWORD
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Cementless, Total hip arthroplasty, Fiber Metal Taper stem, Trilogy cup
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