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KMID : 0361620080430060703
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Journal of the Korean Orthopaedic Association
2008 Volume.43 No. 6 p.703 ~ p.709
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Cementless Bipolar Hemiarthroplasty for Femoral Neck Fractures in Elderly Patients
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Choy Won-Sik
Ahn Jae-Hoon
Jeong Hack-Jae
Lee Seung-Hoon
Yang Dong-Hyun
Kam Byoung-Sup
Koo Je-Yoon
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Abstract
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Purpose: The purpose of this study was to evaluate clinicoradiological outcomes after cementless bipolar hemiarthroplasty in elderly patients with femoral neck fractures.
Materials and Methods: Eighty hips-all in patients greater than 70 years of age-were followed for more than 2 years after undergoing cementless bipolar hemiarthroplasty with a tapered cementless stem (Lima SPH-C2ⓡ). The mean age was 76 years, and the mean follow-up period was 37 months. The Harris hip score and postoperative hip pain were analyzed clinically. The radiological results were assessed using various radiological indices.
Results: At last follow-up, the mean Harris hip score was 80.2 points. There was one case of significant hip pain. Fifty-five cases (68.7%) showed no decrease in ambulation capacity postoperatively. Radiologically, there were 47 cases (58.7%) of bone ingrowth and 33 cases (41.3%) of stable fibrous fixation. There were no cases of osteolysis, and 30 cases (37.5%) exhibited new bone formation around the stem. All stems were stable without significant alignment change or progressive subsidence.
Conclusion: Short-term outcomes proved to be satisfactory in elderly patients undergoing cementless bipolar hemiarthroplasty for femoral neck fractures.
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KEYWORD
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Old age, Femoral neck fracture, Cementless bipolar hemiarthroplasty
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