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KMID : 0386719960080020130
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Journal of the Korean Hip Society
1996 Volume.8 No. 2 p.130 ~ p.139
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5 to 9 year Results of Uncemented Total Hip Arthroplasty Using Cementless Spotorno(CLS)Stem in Young Patients with Osteonecrosis
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Lee Joong-Myung
Cho Duck-Yun
Hwang Jae-Kwang
Lee Joong-Bae
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Abstract
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A retrospective follow-up study was perfomend with clinical and radiographic results of uncemented total hip arthroplasty using CLS(Cementless Spotorno, Protek, Berne, Switzerland) in 40 patients(53 hips) with osteonecrosis of the femoral head at the department of orthopaedic surgery, National Medical Center from November 1987 to November 1991. The average age at surgery was 45.5 years (range, 30-tt years).
15 Well threaded cup, 19 expansion cup and 19 bipolar cup were used for the acetabular components.
The Average Harris hip score improved from 49 to 96 points and revealed mild thigh pain in 2 hlps (3.8%) and intermittent groin pain in 3 bipolar hips(57%).
The radiographic evaluation demonstrated that significant reactive lines showed in 8 femoral components (15%) and in 4 acetabular components(I Well cup, 3 expansion cup), endosteal bone formation stem subsidence more than 4 mm, in 1 hip, heterotopic ossification, in 11 hips(21%). No revision was performed for aseptic loosening, failure, or infection.
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KEYWORD
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Total hip arthroplasty, CLS stem, Femorak head, Osteonecrosis
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