Risk Factors for Repeat Debridement, Spacer Retention, Amputation, Arthrodesis, and Mortality After Removal of an Infected Total Knee Arthroplasty With Spacer Placement

A large number of patients (38.4%) do not undergo reimplantation within 1 year of prosthesis removal and spacer placement. Outcomes after prosthesis removal and antibiotic spacer placement are variable, and there are several independent risk factors for such outcomes that may be used to develop and improve existing treatment strategies for patients presenting with chronic PJI after TKA.