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Abstract
Background Vascularized soft tissue transfer may give better results of treatment of infected nonunions of the tibia.
Methods 6 patients with infected nonunion of the tibia and combined soft tissue (70–170 cm2) and bony (5–8 cm) defects underwent staged reconstruction. Initial surgery consisted of soft tissue and bone debridement, external fixation, filling of the bony defect with a gentamicin-impregnated cement spacer, and reconstruction of the soft tissue with a free microsurgical muscle flap and skin graft. Second-stage surgery consisted of removal of the cement spacer and osseous reconstruction with nonvascularized bone graft.
Results All patients except 1 achieved full weight-bearing and radiographic consolidation after 7–10 months. This patient required repeated bone grafting and internal plate fixation to heal. There were no cases of recurrence of infection at the latest follow-up, after a mean of 3 (1.5–5) years.
Interpretation Staged reconstruction with free vascularized soft tissue transfer and conventional bone grafting within a cement-induced membrane is a low-risk surgical strategy resulting in a high rate of bone healing.
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