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Cementless Total Hip Arthroplasty in Patients with Osteonecrosis After Kidney Transplantation
Authors:Jae-Suk Chang  Duck Jong Han  Su-Kil Park  Jung-Hwan Sung  Yong-Chan Ha
Institution:1. Department of Orthopaedic Surgery, Asan Medical Center, Seoul, South Korea;2. Department of Internal Medicine, Asan Medical Center, Seoul, South Korea;3. Department of General Surgery, Asan Medical Center, Seoul, South Korea;4. Department of Orthopaedic Surgery, Chung-Ang, University College of Medicine, Seoul, South Korea
Abstract:This study was to determine the mid- to long-term survivorship of cementless metal-on-metal THA in 52 patients (74 hips) who underwent THA for osteonecrosis of the femoral head with a cementless THA. The mean follow-up was 10.2 years. The mean age at operation was 42.1 years (range, 25–62 years). The survivorship analysis with revision as the end point estimated a 96.6% chance of THA survival during 16.4 years. The average Harris hip score at last follow-up was 89.2 points (range, 74–100). Two patients (two hips) required revision surgery for extensive acetabular osteolysis at 9 years and acetabular liner dissociation at 2 years. The survival rates of cementless THA in these patients are encouraging. However, the possibility of metallic wear related complications are raising concern.
Keywords:osteonecrosis  renal transplant  cementless total hip arthroplasty
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