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  • Title: [Treatment of intertrochanteric fractures with dynamic hip screw and femoral neck anti-rotation screw].
    Author: Liu C, Li Q, Yang J, Jin A.
    Journal: Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi; 2011 Mar; 25(3):334-6. PubMed ID: 21500588.
    Abstract:
    OBJECTIVE: To investigate the application of anti-rotation screw after dynamic hip screw (DHS) in treatment of intertrochanteric fracture. METHODS: Between April 2006 and January 2010, 22 cases of intertrochanteric fractures underwent DHS fixation operation with an anti-rotation screw, including 15 males and 7 females with an average age of 66.3 years (range, 54-83 years). Fractures were caused by slipping in 16 cases, traffic accident in 5 cases, and falling from height in 1 case. All cases showed closed fractures, including 13 cases in the left and 9 cases in the right. Eighteen cases were simple intertrochanteric fracture, 4 cases were intertrochanteric fractures complicated with Colles fractures. According to Evans classification standard, there were 14 cases of type I, 6 cases of type II, 1 case of type III, and 1 case of type IV. The time from wound to operation was 3-7 days (mean, 4.5 days). RESULTS: The operation time ranged from 51-95 minutes (mean, 72 minutes). The intraoperative blood loss was 150-350 mL (mean, 270 mL). The hospitalization days were 12-35 days (mean, 16.8 days). Primary healing was observed in all cases. All cases were followed up 6-17 months (mean, 14 months). Union of fracture was observed at 12-16 weeks (mean, 13.6 weeks); no fracture or internal fixation loosening occurred. According to HUANG Gongyi's standard of efficacy assessment, the results were excellent in 19 cases and good in 3 cases. CONCLUSION: Application of an anti-rotation screw can help to improve the strength of the DHS for the internal fixation of intertrochanteric fracture, especially the anti-rotation ability, which does not increase the operation time obviously.
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