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Reduction quality
67%
179/268
Time from injury to surgery
13%
35/268
Presence or absence of a capsulotomy
1%
3/268
Type of implant used for internal fixation
0%
0/268
Location of the fracture within the femoral neck
19%
51/268
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A displaced femoral neck fracture in a young patient is considered a surgical urgency and prompt anatomic reduction and internal fixation is recommended. There are a few studies that have specifically looked at the rate of osteonecrosis in this patient population. A review of femoral neck fractures in patients ages 15 to 50 years revealed that the incidence of osteonecrosis in displaced fractures was 27% compared with 14% in nondisplaced fractures. The quality of the reduction also influenced the rate of osteonecrosis. Time to reduction, type of implant, presence or absence of capsulotomy, and location of the fracture are not associated with osteonecrosis risk.
2.1
(32)
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