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- Jia Li, Chongru He, Dahe Li, Wei Zheng, Denghui Liu, and Weidong Xu.
- From the Department of Orthopedics, Changhai Hospital Affiliated to the Second Military Medical University, Shanghai, China.
- J Arthroplasty. 2013 Dec 1;28(10):1816-21.
AbstractHip resurfacing (HR) is being used increasingly as an alterative to total hip arthroplasty in osteonecrosis (ON) and ankylosing spondylitis (AS) of the hip. We performed 141 consecutive HR arthroplasties in 111 patients comprising 3 etiology groups: ON, AS, and osteoarthritis (OA). After retrospective study of retrieved components, we hypothesized that the main reason for revision was femoral loosening in the ON group (4 of 46 hips; 8.7%) and femoral-neck fracture in the AS group (3 of 58 hips; 5.2%). Necrotic areas were seen on femoral heads retrieved from patients with femoral loosening, whereas femoral heads were fixed tightly to components in patients with femoral-neck fractures. Etiology may be an important risk factor for postoperative complications.Copyright © 2013 Elsevier Inc. All rights reserved.
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