압박 고나사로 치료한 대퇴골 전자간부 골절의 고정 실패 인자에 대한 분석 = Analysis of Factors Associated with Failure of Fixation after Treatment of Trochanteric Fracture of the Femur with Compression Hip Screw

다국어 초록 (Multilingual Abstract)

Purpose: To analyze the significant factors that may affect failure of fixation after surgical treatment of intertrochanteric fracture with compression hip screw. Materials and Methods: From January 1999 to December 2003, the authors analyzed 73 cases of trochanteric fracture of the femur treated with compression hip screw and followed for more than one year. There were eleven cases of failure of fixation. The relationship between the following factors was statistically analyzed: sex and age, fracture type, the degree of osteoporosis, placement of screw in femoral head, quality of reduction and failure of fixation. Results: Difference between age and sex were not statistically meaningful factor (P>0.05). The relationship between failure of fixation and unstable fracture was significant (P<0.05). There was a difference of prevalence between the two groups divided by the degree of osteoporosis using the Singh index (P<0.05). In the case of superior placement in the femoral head and displacement of the cortex of the proximal femur on radiologic AP view, there were more failures of fixation (P<0.05). Conclusion: More attention needs to be devoted to treatment in severe osteoporotic unstable intertrochanteric fracture. Accurate reduction and avoidance of the placement of the lag screw in the superior part of the femoral head were important factors to prevent failure of fixation in trochanteric fractures of the femur treated with the compression hip screw.

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