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Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_II | Pages 201 - 201
1 Apr 2005
Ferrero M Dutto E Fenoglio A Sard A Pontini I
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Various kinds of bone have been used as a donor for vascularised bone grafts (VGF) to the upper extremities; among them the fibula has been widely used because of its structural characteristics and low donor site morbidity. Vascularised fibular graft is indicated in patients with large bone defects, bone tumour resection, established or infected non-union, congenital pseudarthrosis, avascular necrosis or bone defects surrounded by scarred, infected and poorly vascularised soft tissue or failure of conventional techniques.

Between 1994 and 2003 nine patients were treated with vascularised fibular graft (VFG) and five for reconstruction of upper extremities defects, following trauma of the forearm with failure of conventional treatments. Four were male and one were female; the mean age was 32 years; the reconstructed sites were four radius and one ulna. The mean lengths of the bone defect was 9 cm. All patients were evaluated pre-operatively with angiography and/or magnetic resonance imaging. Two patients had a concomitant arthrodesis of the wrist. The bone graft was stabilised with plates (AO/LCP), screws, K-wires and the forearm was immobilised in plaster or with external fixation for several months. Cancellous iliac bone graft was packed about the proximal and distal junctions. In two recent cases autologous platelet gel was added at the sites of fixation.

Bone healing was assessed clinically by the absence of pain and mobility on stress, and radiologically. Patients’ satisfaction and function results were assessed by the DASH questionnaire. After an average duration of follow-up of 48 months (from December 1996 to December 2003), all but one of the patients had radiographic evidence of osseous union of both bone junctions. All wounds healed primarily and no patient had problems related to the donor leg. Three patients had returned to their pre-injury occupation.

Vascularised fibula transfer is a valuable technique for the reconstruction of extensive long-bone defects in the upper extremities. The fibula allows a transfer of a bone that is structurally similar to the radius and is of sufficient length for the reconstruction of most skeletal defects in the forearm. In these serious forearm injuries, rapidity of fracture healing is not the primary issue, but rather control of infection and bone stability. The only disadvantage of VFG is that it is more costly; because more technical expertise is required for the microvascular work and the operating time is extended. The reliability and the value of vascularised fibula transfer will increase, with further experience, careful patient selection and appropriate pre and post-operative technical details.