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KMID : 0386720050170040205
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Journal of the Korean Hip Society
2005 Volume.17 No. 4 p.205 ~ p.210
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Analysis of Factors Associated with Failure of Fixation after Treatment of Trochanteric Fracture of the Femur with Compression Hip Screw
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Chung Nam-Sik
Ha Sung-Sik
Park Sung-Joon
Sim Jae-Chun
Hong Ki-Do
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Abstract
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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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KEYWORD
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Femur, Trochanteric fracture, Compression hip screw, Failure of fixation
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