A total of 378 trochanteric and subtrochanteric femoral fractures were randomized to treatment with Gamma nail (177) or Hip Compression Screw (HCS) (201). After a median follow-up time of 17 (10-27) months, 15 patients needed reoperations; 13 had been treated with Gamma nail and 2 with HCS. 10 patients, all treated with Gamma nail, were reoperated because of a femoral shaft fracture. 5 of these fractures occurred 8 (4-10) days postoperatively and were related to intraoperative complications. The other 5 shaft fractures occurred a median of 2 (1-3) months postoperatively after falls, and may be related to stress concentration at the tip of the solid nail. The lag screw cut out or penetrated the femoral head in 5 patients, 3 of them treated with Gamma nail and 2 with HCS.
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Aune et al. (1994) studied this question.
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