Table 2 European Bone and Joint Infection Society (EBJIS) 2021 “Infection Likely” Criteria [15]
From: DAIR for periprosthetic joint infections—One week to save the joint?
European Bone and Joint Infection Society (EBJIS) 2021 Infection Likely Criteria | ||
|---|---|---|
Periprosthetic joint infection is present when there are two positive findings A + B OR A + C | ||
A Clinical | Clinical Features | • Early radiographic loosening • Wound healing problems • Recurrent fever/ Bacteraemia • Purulence around prosthesis |
A Clinical | CRP | • CRP > 10 mg/L |
B Laboratory | Synovial fluid | • Leukocyte count > 1500 • PMN > 65% |
B Laboratory | Microbiology | • Single Positive Culture (aspiration or intra-operative) • > 1 CFU/mL any organism on sonication |
B Laboratory | Histology | • Presence of ≥ 5 neutrophils in a single HPF |
C Radiology | Nuclear Imaging | • Positive white cell labelled scintigraphy |