Nailing of femoral neck fracture: Clinical and sociologic 5-year follow-up of 510 consecutive hips

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Abstract
In a retrospective population-based study, 510 consecutive cervical hip fractures treated by internal fixation with a spring-loaded four-flanged nail, early weight bearing, and social rehabilitation were examined at 5 years after primary nailing. Six (1.6 percent) deep infections occurred. After a new trauma, seven fractures through the nail entrance were seen. Mortality at 2 years was 32 percent and at 5 years 53 percent. With a program for active rehabilitation, 80 percent of the survivors coming from independent living returned to this and remained there. The frequency of reoperations in patients below age 70 years was twice as high as in those over 70. Secondary arthroplasty was performed in 6 percent of the 129 undisplaced fractures and in 25 percent of the 381 displaced fractures. Totally, 67 percent of the fractures had no secondary procedure, not even nail extraction.