The three-part spiral subtrochanteric fracture is associated with a high rate of fixation failure when treated with internal fixation.
May warrant caution with internal fixation for three-part spiral subtrochanteric fractures; leaves open optimal strategies in prospective studies.
The results of treatment of fifty-six patients with subtrochanteric fractures of the femur are presented and a new classification of these fractures is described. In forty-seven fractures treated with internal fixation there were nine failures of fixation. One type of lesion, the three-part spiral subtrochanteric fracture, occurred eighteen times and accounted for eight of the failures of fixation.
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Frank Seinsheimer (1978) studied this question.