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KMID : 0361620070420010053
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Journal of the Korean Orthopaedic Association
2007 Volume.42 No. 1 p.53 ~ p.58
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Cemented Bipolar Hemiarthroplasty for the Femoal Neck or Intertrochanteric Fracture in Elderly Patients -Multicenter Study-
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Kim Sang-Rim
Chung Kwang-Hoon
Lee Kwang-Bok
Lee Sung-Rak
Lee Bong-Jin
Park Jong-Tae
Ha Yong-Chan
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Abstract
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Purpose:This multicenter study was carried out to estimate the clinical and radiological results of cemented bipolar endoprosthesis replacement arthroplasty of a hip fracture in patients aged over 50 years in Jeju Island..
Materials and Methods : Eighty-eight hips underwent bipolar endoprosthesis in 2002. Thirty-two patients died during the follow-up period and 7 patients refused a radiological evaluation or an interview. Two patients who underwent cementless bipolar endoprosthesis were excluded. Fortynine hips (48 patients) completed the average 27 months follow-up. A neck fracture was involved in 40 hips (39 patient) and an intertrochanteric fracture was involved in 9 hips (9 patients). The average age was 77.7 years. The results were evaluated using clinical and radiological methods.
Results : At the last follow-up, the average Harris hip score was 70.1 and 22 hips (45%), which indicated excellent and good results, respectively. Among the 42 patients with normal activity at the preoperative period, 28 patients were still active at the final follow-up. The number of medical illnesses and the severity of mental deterioration were also associated with the poor Harris hip scores. The pressurization cementing technique was found to be excellent at the radiological
evaluation. One femoral stem appeared to have loosened and subsided but there was no revision surgery.
Conclusion: The clinical result of the cemented bipolar endoprosthesis in multicenter study showed that the only 45% of patients showed results good. The major factors influencing the results were the postoperative activity, the number of medical illnesses, and the severity of the mental changes.
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KEYWORD
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Hip fracture, Cemented bipolar endoprosthesis
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