Journal List > J Korean Orthop Assoc > v.40(6) > 1012432

Suh, Kang, Lee, and Kim: Short Term Results of Cementless Total Hip Arthroplasty With a Tapered Femoral Component

Abstract

Purpose

This study investigated 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 2 years.

Materials and Methods

70 hips in 65 patients were followed up for more than 2 years after surgery who underwent total hip arthroplasty with a Versys Fiber Metal Taper femoral stem (Zimmer, Warsaw, IN) and Trilogy acetabular cup (Zimmer, Warsaw, IN).

Results

The mean Harris hip score increased to 96.2 points. There was no osteolysis in the acetabulum. There was no distal osteolysis in the femur but there was osteolysis observed in Gruen zone I in 1 hip (1.4%). Endosteal bone formation was observed in 67 hips (95.7%) mostly in Gruen zones II and VI. There was no subsidence of the stem. The survival with an acetabular and femoral revision for aseptic loosening was 100% respectively.

Conclusion

Cementless total hip arthroplasty using a circumferentially porous coated tapered femoral stem and a porous coated acetabular cup showed excellent results after a follow-up of more than 2 years, inducing good bone ingrowth, as well as no migration of the cup and no osteolysis around the distal femur and acetabulum. However, a long term follow up is necessary.

TOOLS
Similar articles