Infection after intramedullary nailing of severe open tibial fractures initially treated with external fixation.

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Abstract
Of the external fixator and intramedullary nailing was sixty-five days (range, three to 360 days). In five of the seven patients who had had an infection at one or more of the pin sites, an infection later developed around the intramedullary nail. In comparison, only one of the seventeen patients who had not had a pin-site infection had an infection later around the nail (p = 0.003). An analysis of other variables, including the duration of external fixation, wound coverage, other injuries, and the type of fracture, showed that none was a predictor of infection either at the pin sites or around the intramedullary nail. We concluded that a pin-site infection that develops during external fixation is a contraindication to the subsequent use of reamed intramedullary nailing in patients who have a fracture of the tibia. Twenty-four patients had a severe open fracture of the tibia that was initially treated by external fixation and subsequently by reamed intramedullary nailing. The external fixation had been maintained for an average of fifty-two days (range, seven to 230 days). The mean interval between removal of the external fixator and intramedullary nailing was sixty-five days (range, three to 360 days). In five of the seven patients who had had an infection at one or more of the pin sites, an infection later developed around the intramedullary nail. In comparison, only one of the seventeen patients who had not had a pin-site infection had an infection later around the nail (p = 0.003). An analysis of other variables, including the duration of external fixation, wound coverage, other injuries, and the type of fracture, showed that none was a predictor of infection either at the pin sites or around the intramedullary nail. We concluded that a pin-site infection that develops during external fixation is a contraindication to the subsequent use of reamed intramedullary nailing in patients who have a fracture of the tibia. Copyright © 1989 by The Journal of Bone and Joint Surgery, Incorporated...

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