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Review Question - QID 219435

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QID 219435 (Type "219435" in App Search)
A patient presents with a complex pelvic ring injury and concomitant both-column acetabulum fracture after a high-speed skiing accident. Hemodynamic instability prompts initial temporizing stabilization and angiography prior to planned definitive fixation. Which of the following scenarios is most likely to increase the risk for postoperative infection after subsequent fracture fixation?