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Year : 2008  |  Volume : 42  |  Issue : 1  |  Page : 39-42

Internal fixation and muscle pedicle bone grafting in femoral neck fractures

Department of Orthopedics, GSVM Medical College, Kanpur University, Kanpur - 208 002, India

Correspondence Address:
A K Gupta
L-26, Medical College Campus, Kanpur - 208 002
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-5413.38579

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Background: The treatment of displaced intracapsular femoral neck fracture is still an unsolved problem. Non-union and avascular necrosis are the two main complications of this fracture, especially if patient presents late. Muscle pedicle bone grafting has been advocated to provide additional blood supply. We present analysis of our 32 cases of displaced femoral neck fracture treated by internal fixation and quadratus femoris based muscle pedicle bone grafting. Materials and Methods: Open reduction and internal fixation with muscle pedicle grafting was done in 32 patients. The age of patients varied from 14-62 years (average age 45 years) with male to female ratio of 13:3. Twenty-nine fractures were more than three weeks old. All the cases were treated by Meyers' procedure. The fracture was internally fixed after open reduction and then a muscle pedicle graft was applied. It was supplemented by cancellous bone graft in seven cases. Fixation was done by parallel cancellous lag screws ( n = 19), crossed Garden's screws ( n = 7), parallel Asnis screws ( n = 5) and Moore's pin ( n = 1).Quadratus femoris muscle pedicle graft was used in 32 cases. In the initial 12 cases the graft was fixed with circumferential proline sutures, but later, to provide a secure fixation, the graft was fixed with a cancellous screw ( n = 20). Postoperative full weight bearing was deferred to an average of 10 weeks. Results: Union was achieved in 26/29 (89.65%) cases which could be followed for an average period of 3.4 years, (2-8.5 years) with good functional results and had the ability to squat and sit cross-legged. Results were based on hip rating system given by Salvatti and Wilson. The results were excellent in 15 cases, good in four cases, fair in four cases and poor in six cases. Complications were avascular necrosis ( n = 2), transient foot drop ( n = 2), coxa-vara ( n = 1) and temporary loss of scrotal sensation ( n = 1). Conclusion: Muscle pedicle bone grafting with internal fixation is a viable treatment option in displaced femoral neck fractures with late presentation.

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