ABSTRACT
Thirty-three patients (39 hips) with avascular necrosis of the femoral head (ANFH),
who received vascularized iliac pedicle bone grafting at the Orthopaedic Department
of Linkou Medical Center, Chang-Gung Memorial Hospital, were followed for more than
4 years (Group 1). Twenty-two patients with ANFH, who received free vascularized fibula
bone grafting (Group 2) were followed for more than 3 years. Six parameters were adopted
to evaluate the outcomes in both groups. Study results for the parameters of postoperative
functional score, patient-evaluated outcome, radiographic progression, and conversion
to replacement arthroplasty were not significantly different. However, the mean operation
time for Group 2 was significantly longer than that for Group 1 (7 hr vs. 3.5 hr)
and the mean complication rate for Group 1 was higher than that for Group 2 (8/39
vs. 1/22). Since both are palliative procedures with almost equal success rates, the
easier procedure was chosen and complications carefully avoided.
KEYWORDS
Osteonecrosis - femoral head
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Yuan-Kun TuM.D.
Department of Orthopedics, E-Da Hospital/I-Shou University, No.1, E-Da Road, Jiau-Shu
Tsuen, Yan-Chau Shiang, Kaohsiung County, 824, Taiwan
