(1) Presence of fistula communicating to the prosthesis; or
|
(2) The same microorganism isolated by culture in at least two separate tissue or fluid samples obtained from the affected joint or prosthesis; or
|
(3) Four of the following six criteria:
|
(a) Elevation of erythrocyte sedimentation rate (ESR) and serum C-reactive protein (CRP) concentration,
|
(b) Elevation of the leukocyte count in the synovial fluid,
|
(c) Elevation of the percentage of neutrophils,
|
(d) Presence of purulence in the affected joint,
|
(e) Isolation of only one microorganism in a culture of the tissue or periprosthetic fluid, or
|
(f) More than five neutrophils per high power field in at least five high power fields observed from the histological analysis of the periprosthetic tissue at 9400X magnification.
|