“…The two issues that need to be addressed are control of the infection and treatment of the degenerative joint. Although arthroplasty is needed for the treatment of the degenerative joint, an existing infection is a contraindication to joint arthroplasty [1,7,8,11,13,14] because it will likely lead to a periprosthetic joint infection [1,13,22]. It is well documented that two-stage exchange arthroplasty with the use of an articulating antibiotic spacer not only controls infection, but improves pain and function in a periprosthetic joint infection [9,12,15,23].…”