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KMID : 0386720040160040435
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Journal of the Korean Hip Society
2004 Volume.16 No. 4 p.435 ~ p.440
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Bipolar Hip Arthroplasty in Patients with Osteonecrosis of the Femoral Head
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Shin Hun-Kyu
Jeong Hwa-Jae
Choi Jae-Yeol
Kim Hong-Kyun
Kim Young-Hun
Lee Jong-Keun
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Abstract
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Purpose: We wished to analyze the clinical and radiological results of bipolar hip arthroplasty using AML cementless stems in patients with osteonecrosis of the femoral head.
Materials and Methods: Between 1994 and 1998, 20 patients who underwent bipolar prosthetic replacement using AML cementless stems for osteonecrosis of the femoral head. We retrospectively reviewed and analyzed the clinical and radiological results of 22 hips of 20 patients, and the minimum follow-up period was 5 years.
Results: The twenty patients included 13 men and 7 women. The mean duration of follow-up was 6 years and 2 months. The mean patient age was 49 years. The mean Harris hip score was improved from preoperative 53.5 points to 87.9 points at the latest follow up. Three patients (17%) had complaints about groin or thigh pain. One hip (5%) developed acetabulum migration. All the femoral stems remained stable.
Conclusion: AML cementless bipolar hip arthroplasty for osteonecrosis of the femoral head produced satisfactory clinical and radiologic results on this follow-up study, and there was a relatively low rate of complications.
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KEYWORD
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AML, Femoral head, Osteonecrosis, Cementless bipolar prosthetic replacement
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