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Medium-term results of cementation of a highly cross-linked polyethylene liner into a well-fixed acetabular shell in
Seung-Jae Lim1, Keun-Ho Lee1, Shin-Hyung Park1
1Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, South Korea.
Abstract:
The present study was undertaken to document outcomes of cementation of a highly cross-linked polyethylene (PE) liner into a well-fixed acetabular metal shell in 36 hips. All operations were performed by a single surgeon using only one type of liner. Patients were followed for a mean of 6.1 years (range, 3-8 years). Mean Harris hip score improved from 58 points preoperatively to 91 points postoperatively. There were no cases of PE liner dislodgement or progressive osteolysis. 1 hip (2.8%) required revision surgery for acetabular cup loosening with greater trochanteric fracture. Complications included 1 peroneal nerve palsy and 1 dislocation. The results of this study and previous reports demonstrated that cementation of highly cross-linked PE liner into well-fixed metal shell could provide good midterm durability.