Journal
JOURNAL OF ORTHOPAEDIC TRAUMA
Volume 24, Issue 4, Pages 230-235Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/BOT.0b013e3181be3ec3
Keywords
femoral neck fracture; bone nonunion; free vascularized fibular grafting
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Objective: To evaluate a modified free vascularized fibular grafting procedure with an anterior approach to the hip as a treatment for femoral neck nonunions. Design: Retrospective radiographic and clinical review. Setting: Level I trauma center. Patients/Participants: Twenty-six femoral neck nonunions treated between November 2000 and December 2005. Main Outcome Measurements: Harris Hip scoring system and radiographic standard evaluation for bone union. Results: The average follow-up period was 29.3 months (range, 12-63 months). The average duration of the surgery was 2.5 hours (range, 2-4 hours). Average blood loss was 300 mL (range, 200-400 mL). The neck-shaft angle was improved by 2.3 degrees on average. Twenty-four of 26 femoral neck nonunions healed without any severe complications. Average union time was 5.3 months (range, 3-9 months). Twenty-four patients had well-functioning hips with an average Harris hip score of 87.9 as compared with the average preoperative Harris hip score of 57.8. One case developed osteonecrosis of the femoral head requiring total hip arthroplasty 2 years after the index procedure. One case developed an immediate postoperative infection. Conclusion: The clinical result indicates that the anterior approach modification of free vascularized fibular grafting is a valuable procedure in the treatment of femoral neck nonunions.
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