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Classification of fracture wound infection

Classification according to chronology of onset of infection

The time of onset of fracture-site infection is relevant, since progressive infection leads to additional tissue damage and spread of infection outwards from the original infected locus. The diagnosis of infection within 2 weeks of injury or the first open intervention is to be regarded as an early infection. Diagnosis after two weeks may suggest that the infection was dormant for a period before declaring itself. The diagnosis of late infection generally implicates more extensive tissue pathology than if picked up earlier.