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KMID : 0386420070200040291
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Journal of the Korean Fracture Society
2007 Volume.20 No. 4 p.291 ~ p.296
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Comparison between Results of Internal Fixation and Hemiarthroplasty in Unstable Intertrochanter Fracture of Osteoporotic Bone
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Jeong Hwa-Jae
Choi Jae-Yeol
Shin Hyun-Gyu
Kim Eu-Gene
Park Se-Jin
Lee Yong-Taek
Kim Gwang-Sin
Kim Jong-Min
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Abstract
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Purpose: To perform comparative analysis between the results of internal fixation and hemiarthroplasty in unstable intertrochanteric fracture of osteoporotic bone.
Materials and Methods: From February 2003 to February 2006, 36 patients treated surgically for unstable intertrochanteric fractures were evaluated. The patient’s age was older than 70 year old; the T-score of preoperative bone mineral density (BMD) was lower than -3.0; they were followed up for more than 1 year. The patient were divided into two groups. One group was treated with dynamic hip screw or proximal femoral nail (Group A, 23 cases), and the other group was treated with bipolar hemiarthroplasty (Group B, 13 cases). The two groups were compared in terms of hip joint function using Clawson classification and radiologically.
Results: Nonunion and fixation failure happened in 6 cases (26%) of gruop A. However, all patients in group B showed stable maintenance of implant. Recovery of hip joint function was found in 13 cases (43%) of group A, whereas 12 cases (93%) of group B recovered.
Conclusion: Nonunion and failure of fixation happened more frequently in internal fixation than bipolar hemiarthroplasty, and the postoperative hip joint function was better in bipolar hemiarthroplasty than internal fixation. Therefore, bipolar hemiarthroplasty might be better operative treatment for unstable intertrochanteric fracture of osteoporotic bone.
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KEYWORD
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Unstable intertrochanteric fracture, Osteoporosis, Internal fixation, Hemiarthroplasty
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