How do prosthetic joint infections (PJIs) lead to septic arthritis?

Updated: Sep 03, 2019
  • Author: John L Brusch, MD, FACP; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Prosthetic joint infections (PJIs) may be a consequence of local infection, such as intraoperative contamination (60-80% of cases), or of bacteremias (20-40% of cases). [2]  The bacteremias may be spontaneous (ie, gingival disease) or secondary to various manipulations. Delayed wound healing is a major factor behind early prosthetic joint infection. Until the fascia has healed, the usual tissue barriers to infection of the implant are not present. Eventually, the implanted hardware becomes less susceptible to infection by hematogenous spread, because the pseudocapsule develops around it.


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