To retrospectively evaluate infection eradication rate of DAIR procedures performed in our tertiary referral center. We analyzed whether the outcome was influenced by time of infection after arthroplasty, previous surgery or causative pathogen. We retrospectively collected data of 81 patients treated with DAIR for periprosthetic joint infections after hip (n=48) and knee (n=33) arthroplasty between 2011 and 2017. Patients were divided into 3 groups: acute early infections (occurring <4 weeks, 29 cases), late chronic infections (occurring >4 weeks postoperative, 49 cases) and acute haematogenous infections (occuring >3 months after surgery with symptoms less than 4 weeks, 3 cases). Primary outcome was successful infection eradication after treatment within one year. Eradication failure was determined as unplanned subsequent surgery because of persistent infection, use of suppressive antibiotics or signs of infection at one year follow-up.Aim
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