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KMID : 1207720100020040221
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Clinics in Orthopedic Surgery
2010 Volume.2 No. 4 p.221 ~ p.226
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Cementless Bipolar Hemiarthroplasty for Unstable Intertrochanteric Fractures in Elderly Patients
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Choy Won-Sik
Ahn Jae-Hoon
Ko Joon-Hyuk
Kam Byoung-Sup
Lee Do-Hyun
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Abstract
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Background: Bipolar hemiarthroplasty for unstable intertrochanteric fractures in elderly patients is a viable option that can prevent the complications of an open reduction, such as nonunion and metal failure. This study evaluated the clinicoradiological results of cementless bipolar hemiarthroplasty for unstable intertrochanteric fractures in elderly patients.
Methods: Forty hips were followed for more than 2 years after cementless bipolar hemiarthroplasty using a Porocoat® AML Hip System. The mean age was 78.8 years and the mean follow-up period was 40.5 months. The Harris hip score and postoperative hip pain were analyzed clinically. The radiological results were assessed using a range of indices.
Results: At the last follow-up, the mean Harris hip score was 80.6 points. There were one case of hip pain and one case of thigh pain. Twenty-four cases (60%) showed no decrease in ambulation capacity postoperatively. Radiologically, there were 23 cases (57.5%) of fixation by bone ingrowth and 17 cases (42.5%) of stable fibrous fixation. There were no cases of osteolysis. Eleven cases (27.5%) of new bone formation were found around the stem. All stems were stable without significant changes in alignment or progressive subsidence.
Conclusions: The short-term results of cementless bipolar hemiarthroplasty in elderly patients with unstable intertrochanteric fractures were satisfactory.
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KEYWORD
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Old age, Intertrochanteric fracture, Cementless bipolar hemiarthroplasty
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