Hip & pelvis

The Korean Hip Society (대한고관절학회)
권호 표지

Cementless Total Hip Arthroplasty Using VerSys Fiber Metal Midcoat Stem: a Minimum 3-Years Follow-up

Versys Fiber Metal Midcoat 대퇴스템을 이용한 무시멘트 인공 고관절 전치환술 후 최소 3년 추시 결과

  • Yoo, Ju-Hyung (Department of Orthopedic Surgery, National Health Insurance Corporation Ilsan Hospital) ;
  • Kim, Sung-Guk (Department of Orthopedic Surgery, National Health Insurance Corporation Ilsan Hospital) ;
  • Han, Chang-Dong (Department of Orthopedic Surgery, College of Medicine, Yonsei University) ;
  • Oh, Hyun-Chul (Department of Orthopedic Surgery, National Health Insurance Corporation Ilsan Hospital) ;
  • Yoon, Han-Kook (Department of Orthopedic Surgery, National Health Insurance Corporation Ilsan Hospital)
  • 유주형 (국민보험관리공단 일산병원 정형외과) ;
  • 김성국 (국민보험관리공단 일산병원 정형외과) ;
  • 한창동 (연세대학교 의과대학 정형외과교실) ;
  • 오현철 (국민보험관리공단 일산병원 정형외과) ;
  • 윤한국 (국민보험관리공단 일산병원 정형외과)
  • Published : 2010.03.31
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Abstract

Purpose: The purpose of this study was to retrospectively evaluate the results of cementless total hip arthroplasties that used a Versys fiber metal midcoat femoral stem. Materials and Methods: From March 2000 to June 2005, 28 cases in 23 patients were followed up for a minimum of three years. The average follow up period was 5.1 years. Clinical results were evaluated by Harris hip scores. Radiographic analysis was done by evaluating fixation stability, osteolysis, stress shielding, and cortical hypertrophy. Results: The mean Harris hip score improved from 43.1 to 93.8 at the last follow up. In radiographic analyses of the stem, there was no evidence of positional changes or vertical subsidence. There was heterotopic ossification in four, distal cortical hypertrophy in two, proximal stress shielding in twenty, and femoral osteolysis in five cases. The femoral stem revealed a stable bony ingrowth in all. The acetabular cup revealed a stable bony ingrowth in all. There was no evidence of horizontal or vertical migration or of a change of inclination angle of the acetabular cup. Conclusion: Cementless total hip arthroplasty using a Versys fiber metal midcoat femoral stem showed good clinical and radiologic results, but long term follow up is needed.

목적: VerSys fiber metal midcoat 대퇴스템을 이용한 무시멘트 고관절 전치환술 후 최소 3년 추시 결과를 후향적으로 평가 하였다. 대상 및 방법: 2000년 3월부터 2005년 6월까지 고관절 전치환술을 시행 받고 3년 이상 추시 가능하였던 28예(23명)를 대상으로 하였다. 평균 추시 기간은 5.1년이었다. 임상적 결과는 Harrris 고관절 점수를 이용하여 평가하였고, 방사선학적 결과는 안정성, 골용해 발생, 응력 방패, 피질골 비후 등을 관찰하여 평가하였다. 결과: 임상적으로 Harris 고관절 점수는 수술 전 평균 43.1점에서 최종 추시시 평균 93.8점이었다. 대퇴스템의 위치 변화나 수직 하강은 발생하지 않았으나, 이소성 골화가 4예, 피질골 비후 2예 발생하였고 응력방패에 의한 근위부 골흡수가 20예, 스템 주위의 방사선 투과선이 5예 발생하였다. 대퇴스템의 전례에서 골내성장을 얻었다. 비구컵에서는 수평, 수직이동이나 경사각의 변화는 관찰되지 않았고 전례에서 골내성장을 보였다. 결론: VerSys fiber metal midcoat 대퇴스템을 이용한 고관절 치환술의 최소 3년 추시 결과, 임상적 평가와 방사선학적 평가에서 양호한 결과를 보였으며, 향후 지속적인 관찰이 필요할 것으로 사료된다.

Keywords

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