Review Question - QID 7771

Figures 183a and 183b are the radiographs of an otherwise healthy 62-year-old man with a history of a total knee arthroplasty followed 1 year later by a periprosthetic fracture treated with open reduction and internal fixation. The surgery was complicated by multiple wound infections with a sensitive organism. He eventually had hardware and implant removal and placement of an antibiotic spacer that was subsequently removed. After a full course of antibiotics, retesting reveals persistent infection and he is referred for further treatment. His subsequent treatment should be