Prosthetic Joint Infection (PJI) remains one of the leading cause for revision arthroplasty.1,2 Early recognition and appropriate initial treatment of early PJI with debridement, antibiotics and implant retention (DAIR) can eradicate infection on first attempt and prevent implant failure. We evaluated the outcome after one year of patients who were treated for an early PJI after primary total knee arthroplasty (TKA) or total hip arthroplasty (THA) with DAIR. Furthermore, we determined preoperative infection markers, microbiology, and treatment factors related to treatment failure after DAIR procedure. A retrospective cohort study was assembled with 91 patients undergoing DAIR after primary TKA or THP with a high suspicion of an early PJI. For all patients intraoperative cultures were obtained. Records were reviewed for demographic details, preoperative laboratory results, microbiological data, given treatment and postoperative follow-up. The primary outcome measure was infection-free implant survival at one year. Repeated DAIR was not considered as treatment failure.Aim
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