Poor performance of microbiological sampling in the prediction of recurrent arthroplasty infection

Schindler, Maximilian; Christofilopoulos, Panayiotis; Wyssa, Blaise; Belaieff, Wilson; Garzoni, Christian; Bernard, Louis; Lew, Daniel; Hoffmeyer, Pierre; Uçkay, Ilker (2011). Poor performance of microbiological sampling in the prediction of recurrent arthroplasty infection. International orthopaedics, 35(5), pp. 647-54. Heidelberg: Springer 10.1007/s00264-010-1014-8

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During a two-stage revision for prosthetic joint infections (PJI), joint aspirations, open tissue sampling and serum inflammatory markers are performed before re-implantation to exclude ongoing silent infection. We investigated the performance of these diagnostic procedures on the risk of recurrence of PJI among asymptomatic patients undergoing a two-stage revision. A total of 62 PJI were found in 58 patients. All patients had intra-operative surgical exploration during re-implantation, and 48 of them had intra-operative microbiological swabs. Additionally, 18 joint aspirations and one open biopsy were performed before second-stage reimplantation. Recurrence or persistence of PJI occurred in 12 cases with a mean delay of 218 days after re-implantation, but only four pre- or intraoperative invasive joint samples had grown a pathogen in cultures. In at least seven recurrent PJIs (58%), patients had a normal C-reactive protein (CRP, < 10 mg/l) level before re-implantation. The sensitivity, specificity, positive predictive and negative predictive values of pre-operative invasive joint aspiration and CRP for the prediction of PJI recurrence was 0.58, 0.88, 0.5, 0.84 and 0.17, 0.81, 0.13, 0.86, respectively. As a conclusion, pre-operative joint aspiration, intraoperative bacterial sampling, surgical exploration and serum inflammatory markers are poor predictors of PJI recurrence. The onset of reinfection usually occurs far later than reimplantation.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Haematology, Oncology, Infectious Diseases, Laboratory Medicine and Hospital Pharmacy (DOLS) > Clinic of Infectiology

UniBE Contributor:

Garzoni, Christian

ISSN:

0341-2695

Publisher:

Springer

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:13

Last Modified:

17 Mar 2015 19:15

Publisher DOI:

10.1007/s00264-010-1014-8

PubMed ID:

20419507

Web of Science ID:

000289804400003

URI:

https://boris.unibe.ch/id/eprint/2720 (FactScience: 205588)

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