Abstract
Sixteen consecutive patients with cutout of a lag screw of a dynamic hip screw fixation in an intertrochanteric fracture were treated with reinsertion of a lag screw, bone cement supplementation in the neck-trochanter, and subtrochanteric valgus osteotomy. Postoperatively, patients were permitted to ambulate with protected weight-bearing. Fourteen patients were followed-up for at least 1 year (median 2 years; range 1–3 years), and all had a solid union. The union period took a median of 5 months, with a range of 3–7 months. Usually, union of an intertrochanteric fracture was faster than that of subtrochanteric osteotomy (P < 0.01). There were no complications of wound infection, loss of reduction, cutout of a lag screw, or osteonecrosis of the femoral head. From clinical and theoretical considerations, we conclude that despite cutout of a lag screw of a dynamic hip screw fixation being difficult to treat, out technique still can provide an excellent outcome. Therefore, we strongly recommend its wide use.
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Received: 7 February 1997
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Wu, C., Shih, C., Chen, W. et al. Treatment of cutout of a lag screw of a dynamic hip screw in an intertrochanteric fracture. Arch Orth Traum Surg 117, 193–196 (1998). https://doi.org/10.1007/s004020050228
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DOI: https://doi.org/10.1007/s004020050228