[Postoperative stress on by dynamic hip screw or endoprostheses treated femoral neck and pertrochanteric femoral fractures in elderly patients].

Fractures of the neck and the pertrochanteric region of the femur in elderly patients are often treated with dynamic hip screw or endoprothesis. In the aftercare, specially in fractures that have been stabilised with a DHS, partial weight-bearing is recommended. Some other authors describe immediate full weight-bearing after osteosynthesis with the same implant. For elderly patients it is often difficult to apply partial weight-bearing on one limb only. Remobilisation as soon as possible is very important to these patients, to avoid postoperative complications. Therefore the allowance of full weight-bearing enables us to rehabilitate these old patients more appropriate. We have studied the rates of systemic and local complications in patients with different weight bearing on the operated hip with means of the data of the ASIF-documentation records. In patients who bear full weight on the operated limb immediately after operation, the rates of systemic complications are lower. The rates of local complications increased with the instability of the fracture. Both results are though not statistically significant.