Dislocated Femoral Neck Fractures:A Follow-up Study of 98 Cases Treated by Multiple AO (ASIF) Cancellous Bone Screws

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Abstract
A series of 98 dislocated femoral neck fractures were treated by closed reduction and osteosynthesis with multiple AO (ASIF) cancellous bone screws. The patients were followed up for 2 years (or until death). The degree of dislocation did not have a statistically significant influence on the failure rate, which was, however, significantly correlated with poor reduction. Thirty-nine per cent of the fractures were complicated by non-union or late segmental collapse. Forty-three of the patients participated in the 2 year follow-up examination. Of these patients, 38 had achieved excellent or good hip function. It was concluded that the reduction was the most important single factor in the treatment of these fractures.

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