The Application Of Closed Reduction Internal Fixation And Iliac Bone Block Grafting In The Treatment Of Acute Displaced Femoral Neck Fractures
PLOS ONE(2013)
Abstract
Objective: This study aimed to evaluate the preliminary clinical and radiographic outcomes of acute displaced femoral neck fracture treated by closed reduction and internal fixation (CRIF) with free iliac bone block grafting with comparison to a routine protocol of CRIF without bone grafting.Methods: From December 2008 to February 2010, 220 adult patients with acute displaced femoral neck fractures were enrolled in this study. In study group, there were 124 patients (57 males, 67 females) with a mean age of 44.8 years (range, 20-64 years). There were 70 transcervical fractures and 54 subcapital fractures. The patients were treated by CRIF and free iliac bone block grafting. The control group consisted of 96 adult patients (46 males, 50 females) with a mean age of 46.3 years (range, 23-64 years). There were 61 transcervical fractures and 35 subcapital fractures. The patients in control group were treated by CRIF without bone grafting.Results: In study group, 112 patients were followed up for an average of 27.4 months (range, 24-34 months). All fractures healed within 5 months. However, 10 patients presented AVN of the femoral heads. The mean Harris score was 88.6 (range, 41-100). In control group, 68 patients were followed up for an average of 31.2 months (range, 24-42 months). The rates of AVN of the femoral head and fracture nonunion in control group were 26.5% (18/68) and 16.2% (11/68), respectively, significantly higher than those in study group (both P<0.05). The mean Harris score in control group was 83.8 (41-100), significantly lower than that in study group (P<0.05).Conclusion: Acute displaced femoral neck fractures can be treated by CRIF and free iliac bone block grafting in a minimally invasive manner. This technique can guarantee uneventful fracture healing and significantly reduce the rate of femoral head osteonecrosis.
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Key words
medicine,physics,biology,young adult,engineering,chemistry
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