الفهرس 
Comparative study between results of bipolar hemiarthroplasty and cannulated screws in management of fracture neck femur in old age group
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Abstract
Background: While the treatment for displaced femoral neck fractures in the elderly (Garden types III and IV) is quite clear, the procedure for impacted or non-displaced femoral neck fractures (Garden types I and II) is still the subject of controversy. The purpose of the present study was to compare the results of internal fixation by cannulated screws and bipolar hemiarthroplasty in non-displaced fracture neck of femur. Methods: Single comparative prospective randomized study evaluated the results of 30 patients with non-displaced fracture neck of femur and we divided them into two groups from June 2014 to October 2016. First group patients were treated by internal fixation using cannulated screws. The other group patients were treated by bipolar arthroplasty. Results: At the time of the last follow-up, our mean HHS in IF group was 74, while in HA group was 86.3 that were comparable to other studies. The functional results of HA group were higher than IF group. There were 3 major complications in IF group. Nonunion, AVN, and screw cutout from the femoral neck with reoperation rate of 20% and there were 4 major complications in replacement group. Dislocation, infection, heterotropic ossification and aseptic loosening with reoperation rate of 13.3%. We were able to find a statistically significant relation between the time of delay of operation and the final outcome. No statistically significant relationship was found between the final outcome with age, sex, and garden type of the fracture. No statistically significant difference between the functional outcomes of both groups according to HHS