the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Debridement, antimicrobial therapy, and implant retention (DAIR) as curative strategy for acute periprosthetic hip and knee infections: a position paper of the European Bone & Joint Infection Society (EBJIS)
Irene K. Sigmund
Tristan Ferry
Ricardo Sousa
Alex Soriano
Willem-Jan Metsemakers
Martin Clauss
Rihard Trebse
Marjan Wouthuyzen-Bakker
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When infection around an artificial hip or knee is suspected, joint fluid sampling is essential but often unsuccessful. We performed a systematic review to evaluate whether rinsing the joint with sterile salt water after an unsuccessful attempt improves diagnosis. Our findings show that this approach is safe, yields testable fluid in nearly all cases, and identifies infection in about one in five patients that would otherwise be missed.
A multi-center study of 563 periprosthetic joint infections (PJIs) found that 16.5 % were culture negative. These patients more often had prior revision or PJI, longer symptom duration and fewer systemic signs. On multivariable analysis, symptom duration >12 weeks was the only independent risk factor (odds ratio 2.24). The findings support the fact that culture-negative infections present insidiously, informing diagnostic strategies.
We found that both the WBC count and PMN percentage are good markers for diagnosis of acute postoperative PJI. However, the synovial WBC count is more powerful in diagnosing acute postoperative PJI.