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KMID : 1028220210330030162
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Hip & Pelvis
2021 Volume.33 No. 3 p.162 ~ p.166
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Additional Reduction Screw Fixation Technique for Pertrochanteric Hip Fractures: A Novel Method to Prevent Excessive Sliding in Cephalomedullary Nail Surgery
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Kim Chul-Ho
Kim Han-Soul
Moon Dou-Hyun
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Abstract
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Extramedullary (EM) reduction, defined as the medial cortex of the head-neck fragment located outside the medullary canal of the distal shaft fragment, has been introduced to prevent excessive postoperative sliding or failure of the lag screw in pertrochanteric fracture surgeries. Favorable EM reduction results have recently been reported in several clinical and biomechanical studies. Despite these efforts, maintaining the head-neck fragment in an EM position is periodically a difficult and challenging problem. Herein, the technique for reduction and maintenance of the head-neck fragment was introduced in an EM position using a Kirschner wire and partially threaded cannulated screw fixation via screw fixation from EM to the head-neck fragment, which was positioned inferior to the lag screw on the femoral calcar, also called the reduction screw. The authors utilized this reduction screw in 34 pertrochanteric fracture surgeries using a cephalomedullary nail and fracture union was acheive in all cases by a minimum one-year follow-up period without surgical complications.
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KEYWORD
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Intertrochanteric hip fracture, Cephalomedullary nailing, Reduction, Sliding, Novel technique
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