Soft tissue reconstruction and salvage of infected fixation hardware in lower extremity trauma

Microsurgery
Hyuma A LelandJoseph N Carey

Abstract

Tibial fracture management may be complicated by infection of internal fixation hardware (iIFH) resulting in increased morbidity and amputation rate. When iIFH removal is not possible, salvage of the lower extremity is attempted through debridement, antibiotics, and vascularized soft tissue coverage. This study investigates lower extremity salvage with retention of iIFH. Demographics, outcomes, and bacterial speciation in patients with tibial fractures at a level 1 trauma center from 2007 to 2014 were reviewed. The primary outcome was infection suppression, while secondary outcomes included limb salvage, amputation, and osseous union. Twenty-five patients underwent soft tissue reconstruction for salvage of iIFH. Average age was 41, 19 (76%) were male, average BMI 30.1 kg/m2 , 10 (40%) patients smoked. Tibial fractures were closed in 8 (32%), Gustilo-Anderson grade I in 1 (4%), II in 8 (32%), IIIb in 5 (20%), and IIIc in 1 (4%). Staphylococcus was most commonly cultured with 11 (44%) demonstrating methicillin-resistance. Soft tissue reconstruction was performed by local flap in 15 (60%) and free flap in 10 (40%). At an average of 16.1 months, 19 (76%) hardware salvage patients demonstrated clinical suppression of infection, 11 o...Continue Reading

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