311. Low Rate of Microbiologic Relapse in Two-Stage Exchange for Knee Prosthetic Joint Infections

Michael Henry, Celeste Russell, Allina Nocon, Geoffrey Westrich, Barry Brause, Andy Miller
2018 Open Forum Infectious Diseases  
Results. 159 patients who underwent 2-stage exchange for TKA PJI meeting MSIS criteria were identified. 116 patients (73%) remained infection-free after two years of observation. Neither of the major criteria [presence of sinus drainage (P = 0.6); >1 positive culture (P = 1.0)], nor any of the minor criteria (individually or in composite) reached statistically significant association with treatment outcome. Conclusion. Individual MSIS diagnostic criteria, which have prognostic utility in TKA
more » ... c utility in TKA PJI treated with DAIR, are not powerful predictors of outcome of TKA PJI after two-stage exchange.
doi:10.1093/ofid/ofy210.322 fatcat:fvxfbhykbfhznpgfey5jcxlqlq