Skip to main content

Table 1 The MSIS criteria after removing synovial fluid tests:

From: The concordance between preoperative aspiration and intraoperative synovial fluid culture results: intraoperative synovial fluid re-cultures are necessary whether the preoperative aspiration culture is positive or not

Major Criteria: (PJI is identified when one of the following criteria exist)

 1) The identical pathogen was cultured in at least 2 samples

 2) The presence of sinus that was communicated with the prosthesis

Minor Criteria: (PJI is identified when three of the following 6 criteria exist)

 (1) Elevated serum C-reactive protein (CRP) AND erythrocyte sedimentation rate (ESR)

 (2) A single positive culture

 (3) Purulence in the affected joint.

 (4) Positive histology analysis of periprosthetic tissue. (≥ neutrophil cells per HP)

 (5) Elevated synovial fluid WBC count

 (6) Elevated synovial fluid PMN%

Back to article page

BMC Infectious Diseases

ISSN: 1471-2334

Contact us