Objective: To evaluate the best results that can be obtained by applying two different ways of fixation in the treatment of femoral neck fracture in adults. Methods: A prospective comparative study carried out on 46 patients aged 18-60 years who had trans cervical femoral neck fracture. Patients were classified according to Garden classification and assigned into two groups to be treated either with multiple cannulated screws or dynamic hip screws. All patients were treated between 2-7 days after injury and followed up for 8-18 months. Results: There was significantly longer incision in DHS group, p=0.003 and the intraoperative blood loss was significantly more in DHS group as well, p=0.008. There was an increase in the rate of complications with increasing age, p=0.022. Avascular necrosis occurred in 4 patients (8.6%), 2 patients in each group, nonunion developed in 17.4% (4 patients) in MCS group and 13% (3 patients) in DHS group. There was no association between two groups in operative time, HHS, union rate and the post-operative complications. Conclusion: The multiple cannulated screws being minimally invasive can be used adequately to treat trans cervical femoral neck fracture in adults.
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