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Osteonecrosis of the Femoral HeadA Study of 101 Hips Treated with Vascularized Fibular Grafting
Donn Marciniak, MD1; Christopher Furey, MD1; John W. Shaffer, MD1
1 The University Hospitals of Cleveland, 11100 Euclid Avenue, Cleveland, OH 44106. E-mail address for D. Marciniak: dam5@case.edu. E-mail address for C. Furey: christopher.furey@uhhs.com. E-mail address for J.W. Shaffer: shaffer46@msn.com
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A commentary is available with the electronic versions of this article, on our web site (www.jbjs.org) and on our quarterly CD-ROM (call our subscription department, at 781-449-9780, to order the CD-ROM).
The authors did not receive grants or outside funding in support of their research or preparation of this manuscript. They did not receive payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.
Investigation performed at the University Hospitals of Cleveland, Cleveland, Ohio

The Journal of Bone and Joint Surgery, Incorporated
J Bone Joint Surg Am, 2005 Apr 01;87(4):742-747. doi: 10.2106/JBJS.D.02004
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Background: The present study evaluates the minimum five-year results of vascularized fibular grafting for the treatment of osteonecrosis of the femoral head. The purposes of the present study were to review the results of fibular grafting in a large series of patients and to determine the indications for this procedure.

Methods: Eighty-six patients (101 hips) were followed clinically for a minimum of five years (or until the time of death). The study group included fourteen Marcus-Enneking stage-2 hips, twenty-three stage-3 hips, and sixty-four stage-4 hips. Three patients (three hips) died from unrelated causes before the five-year evaluation, and two patients (two hips) died after the five-year evaluation. Radiographic assessment was performed with use of the Marcus-Enneking grading system, and clinical assessment was performed with use of the Harris hip-scoring system. The end point was conversion to total hip arthroplasty. Patient satisfaction was also assessed.

Results: Sixty-two hips (61%) survived until the time of the five-year follow-up, and forty-two hips (42%) survived until the time of the interview (at a median of eight years postoperatively). The average Harris hip score was 58 ± 13 at the time of presentation and 80 ± 15 at five years. Eight (57%) of the Marcus-Enneking stage-2 hips, sixteen (70%) of the stage-3 hips, and thirty-eight (59%) of the stage-4 hips survived for at least five years. Of the eighty-one living patients (including forty-one who had a successful outcome and forty who had had a failure), forty-six patients (including twenty-one who had a successful outcome and twenty-five who had had a failure) stated that they would undergo the procedure again.

Conclusions: Vascularized fibular grafting may provide a chance for normal hip function in the intermediate or long term in carefully selected patients with osteonecrosis of the femoral head.

Level of Evidence: Therapeutic Level IV. See Instructions to Authors for a complete description of levels of evidence.

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    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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