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General Orthopaedics

OPEN TIBIAL FRACTURES WITH BONE LOSS MANAGED WITH TRANSVERSE DEBRIDEMENT AND ACUTE SHORTENING FOLLOWED BY DISTRACTION HISTIOGENESIS

British Limb Reconstruction Society (BLRS) AGM & Instructional Course



Abstract

UK Objective

To evaluate the technique of transverse debridement, acute shortening and subsequent distraction histiogenesis in the management of open tibial fractures with bone and soft tissue loss thus avoiding the need for flap coverage.

Methods

We present a retrospective review of 18 patients with Gustillo grade III open tibial fractures between 2006 and 2011. Initially managed with debridement to provide bony apposition through transverse wound excision. This allowed primary wound closure without tension, or mobilization of local muscle followed by split skin graft to provide cover. Temporary mono-lateral external fixation was utilized to allow soft tissue resuscitation, followed by Ilizarov frame for definitive fracture stabilization. In some cases it was possible to apply an Ilizarov frame at the time of initial debridement. Leg length discrepancy was subsequently corrected by corticotomy and distraction histiogenesis. Union was evaluated radiologically and clinically.

Results

Mean age 36.4 years (18.4–59.2 years). Mean bone defect 3.5 cm (0.5–10 cm). Mean soft tissue defect 4.1 cm (1.8–10 cm). Mean follow up was 81 weeks (30–174 weeks). 16 fractures united, with a mean time to union of 38 weeks (24–79 weeks). There was one hypertrophic nonunion which united after a second frame. One patient was lost to follow up before fracture union. Three patients had pin site infections, two of which required intravenous antibiotics. One patient developed chronic osteomyelitis but manages with a discharging sinus. There were no amputations.

Conclusion

Acute shortening followed by distraction histiogenesis is a safe method for the treatment of severe open tibial fractures with bone and soft tissue loss. The technique also avoids the morbidity, cost and logistical issues associated with the use of local or free tissue flaps.