Multiple cannulated screw fixation of young femoral neck fractures
Objective: We wanted to analyze the factors affecting the results of multiple cannulated screws fixation in patients less than 60 years old with femoral neck fracture (FNF).
Methods: We reviewed 52 patients (30 males, 22 females) who were treated with multiple cannulated screws fixation for FNFs. They were followed up for more than one year during January 2002 to December 2012. They were classified by Garden’s classification. The anatomic reduction was evaluated by Garden’s alignment index on hip both anteroposterior and lateral images. Postoperative complications were analyzed during follow up periods.
Results: By Garden’s classification, 6 cases were in stage I, 13 cases in stage II, 30 cases in stage III and 3 cases in stage IV. During follow up periods, avascular necrosis of the femoral head was observed in 12 cases (23%) and nonunion was observed in 5 cases (9%). The 16 patients who had complications underwent total hip arthroplasty (31%). In non-displaced fracture groups (Garde I, II) did not have AVN nor nonunion. The incidence of complications in displaced fracture group was 51.5%. The complicated cases showed tendency for increased apex anterior angulation of femoral neck on hip lateral images and the result was statistically significant. (p=0.0260).
Conclusion: The patients less than 60 years old who were treated with multiple cannulated screws fixation for displaced FNFs showed the incidence of complications was more than 50%. It needs a cautious approach for anatomical reduction, especially related to anterior angulation on hip lateral image.
How to cite this: Kim JY, Kong GM, Park DH, Kim DY. Multiple cannulated screw fixation of young femoral neck fractures. Pak J Med Sci 2015;31(6):1517-1520. doi: http://dx.doi.org/10.12669/pjms.316.8356
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