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We report the results of the first 50 femoral interlocking nails used in our city. The operations were performed by 20 different surgeons. The follow-up interval averaged 19 months. Eve patients with pathological fractures died during this period and two could not be traced. Forty-three fractures were assessed clinically and radiologically by one of the authors.
Malunion and/or shortening occurred in 22 patients. Six patients had varus (> 5 °), ten patients valgus (> 5 °) and ten patients had malrotation (> 10 °). Six patients were shortened (> 2 cm). Two cases progressed to non-union (> 26 weeks), and one had deep sepsis.
We discuss the effect of insertion point, dynamic versus static fixation and the lateral table position on the final results.
It is concluded that:
- 1.1. The nail should be inserted in line with the axis of the femoral shaft. This point is usually in the piriform fossa.
- 2.2. The static mode should be used for most fractures.
- 3.3. The lateral table position may result in rotational and valgus malalignment.
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Accepted: August 10, 1990
© 1991 Published by Elsevier Inc.