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KMID : 0361620070420060718
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Journal of the Korean Orthopaedic Association
2007 Volume.42 No. 6 p.718 ~ p.723
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Cementless Total Hip Arthroplasty using Cone Prosthesis for Childhood Septic Hip Sequelae
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Yoon Taek-Rim
Song Eun-Kyoo
Park Sang-Jin
Cho Sang-Gwon
Lim Ji-Hyun
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Abstract
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Purpose: To evaluate the clinical and radiographic results of cementless total hip arthroplasty using cone prosthesis for childhood septic hip sequelae.
Materials and Methods: Thirty-seven patients of childhood septic hip sequelae that were treated with total hip arthroplasty using cone prosthesis, were evaluated after at least 2 years of follow-up. The average age at the time of the operation was 44 years. The cause of hip infection was pyogenic in 34 cases and tuberculous in 3. The average duration of follow-up was 51 months.
Results: The average Harris hip score improved from 45 points preoperatively to 90 points postoperatively. The mean leg length discrepancy decreased from 3.1 cm preoperatively to 0.7cm postoperatively. There was one case of stem subsidence over 5 mm, which didn’t progress further. One patient underwent revision for migration of acetabular cup at postoperative 53 months. Postoperative infection occurred in 2 patients at postoperative 6 and 9 months respectively, which were treated by prosthesis removal. Radiolucent line over 2 mm was observed between the bone and stem in 1 case, without any evidence of loosening.
Conclusion: Cementless total hip arthroplasty using cone prosthesis for childhood septic hip sequelae resulted in excellent clinical and radiographic outcome.
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KEYWORD
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Hip, Infection sequelae, Cone prosthesis, Total hip arthroplasty
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