ArticleJournal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada2025
Multicentre Experience on the Diagnostic Yield of PCR Testing for Bacterial Pathogens in Sterile Site Infections.
Article in Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
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11 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Background: Infections in sterile body sites are serious despite their low incidence. Accurate diagnosis is crucial for effective antimicrobial management. This study assessed the diagnostic yield of multiplex polymerase chain reaction (PCR) in identifying bacterial pathogens in sterile site specimens other than blood and cerebrospinal fluid. Methods: Bacterial pathogen PCR panels were independently developed and validated by the laboratories at the Hamilton Regional Laboratory Medicine Program (HRLMP) in Canada and Sidra Medicine in Qatar. Retrospective culture and PCR data for the periods of July 2022 to November 2023 and September 2021 to February 2023 were extracted from the laboratory information systems of HRLMP and Sidra Medicine, respectively. The diagnostic yield of PCR between different groups was compared using the McNemar test or chi-square test. Results: Validation studies showed 100% sensitivity for PCR assays in both laboratories, with varying specificity due to the detection of additional pathogens by PCR. Combining post-implementation data from both laboratories, 38.7% of 512 specimens were PCR-positive for target organisms, compared to 6.1% by culture. While the diagnostic yield of PCR was significantly higher than that of culture in both adult and paediatric populations ( Conclusion: This study supports using PCR alongside culture to enhance pathogen detection and improve the management of sterile site infections, particularly in paediatric patients.
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