The operative treatment of fractures of the proximal end of femur with the dynamic hip screw (DHS) permits a weight-bearing stable osteosynthesis. In 5.2 years between 1985 and 1990 531 patients were treated with a DHS. The average age was 75 years. This method of osteosynthesis was also performed in 59 patients with unstable per- or per-subtrochanteric fractures. Complications such as pseudarthrosis, necrosis or penetration of the head of femur, implant bending or breaking were not observed. The dynamic hip screw is a valid procedure for an early and weight-bearing treatment also for unstable pertrochanteric fractures of the femur with special benefits for the elderly.
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