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Comparative Study
. 2024 Dec;52(6):2287-2296.
doi: 10.1007/s15010-024-02278-x. Epub 2024 May 10.

Results of a monocentric field study: value of histology compared to sonication method and conventional tissue culture in the diagnosis of periprosthetic joint infection (PJI)

Alexander Röhrl  1 , Frank Klawonn  2   3 , Bernd Füchtmeier  1 , Christian Wulbrand  1 , Andre Gessner  4 , Jozef Zustin  5   6 , Andreas Ambrosch  7
Affiliations
Comparative Study

Results of a monocentric field study: value of histology compared to sonication method and conventional tissue culture in the diagnosis of periprosthetic joint infection (PJI)

Alexander Röhrl et al. Infection. 2024 Dec.

Erratum in

Abstract

Background: To confirm the diagnosis of periprosthetic joint infection (PJI), the Infectious Diseases Society of America (IDSA) and the International Consensus Meeting (ICM) have defined criteria that include histology as a minor criterion and the sonication method only as an additional criterion. The aim of this monocentric, retrospective study was to investigate the value of histology and whether sonication leads to a more accurate diagnosis.

Materials and methods: All revision surgeries for knee and hip arthroplasty between 2017 and 2020 were included. With regard to microbiological diagnostic, conventional culture of periprosthetic biopsies and sonication of explant material were performed. In addition, histology and non-specific inflammatory markers (CRP, leukocytes) were recorded.

Results: A total of 78 patients with PJI and 62 aseptic controls were included. From both microbiological methods (conventional culture / sonication), Staphyloccus (S.) epidermidis and S. aureus were detected most frequently. However, compared to the conventional microbiology, a higher sensitivity was calculated for sonication, albeit with a lower specificity in relation to a PJI. In two logistic regression models for the significance of all diagnostic parameters in PJI, the AUC was 0.92 and 0.96 with histology in particular making the decisive contribution in both models (p < 0. 001, both models).

Conclusion: Since histology showed the highest accuracy in the current study, its importance in the PJI criteria should be reevaluated. Sonication shows a high sensitivity for germ detection with a lower specificity and should only be used in combination with the conventional culture for microbiolgical diagnostics.

Keywords: Histology; Minor citeria; PJI; Sonication.

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Conflict of interest statement

Declarations. Conflict of interest: The authors declare no competing interests.

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