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The impact of anti-mould prophylaxis on Aspergillus PCR blood testing for the diagnosis of invasive aspergillosis

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F65269705%3A_____%2F21%3A00074217" target="_blank" >RIV/65269705:_____/21:00074217 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216224:14110/21:00121104

  • Result on the web

    <a href="https://academic.oup.com/jac/article-abstract/76/3/635/6055077?redirectedFrom=fulltext" target="_blank" >https://academic.oup.com/jac/article-abstract/76/3/635/6055077?redirectedFrom=fulltext</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1093/jac/dkaa498" target="_blank" >10.1093/jac/dkaa498</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The impact of anti-mould prophylaxis on Aspergillus PCR blood testing for the diagnosis of invasive aspergillosis

  • Original language description

    Background: The performance of the galactomannan enzyme immunoassay (GM-EIA) is impaired in patients receiving mould-active antifungal therapy. The impact of mould-active antifungal therapy on Aspergillus PCR testing needs to be determined. Objectives: To determine the influence of anti-mould prophylaxis (AMP) on the performance of PCR blood testing to aid the diagnosis of proven/probable invasive aspergillosis (IA). Methods: As part of the systematic review and meta-analysis of 22 cohort studies investigating Aspergillus PCR blood testing in 2912 patients at risk of IA, subgroup analysis was performed to determine the impact of AMP on the accuracy of Aspergillus PCR. The incidence of IA was calculated in patients receiving and not receiving AMP. The impact of two different positivity thresholds (requiring either a single PCR positive test result or &gt;= 2 consecutive PCR positive test results) on accuracy was evaluated. Meta-analytical pooling of sensitivity and specificity was performed by Logistic mixed-model regression. Results: In total, 1661 (57%) patients received prophylaxis. The incidence of IA was 14.2%, significantly Lower in the prophylaxis group (11%-12%) compared with the non-prophylaxis group (18%-19%) (P&lt; 0.001). The use of AMP did not affect sensitivity, but significantly decreased specificity [single PCR positive result threshold: 26% reduction (P= 0.005); &gt;= 2 consecutive PCR positive results threshold: 12% reduction (P= 0.019)]. Conclusions: Contrary to its influence on GM-EIA, AMP significantly decreases Aspergillus PCR specificity, without affecting sensitivity, possibly as a consequence of AMP Limiting the clinical progression of IA and/or Leading to false-negative GM-EIA results, preventing the classification of probable IA using the EORTC/MSGERC definitions.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30200 - Clinical medicine

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of antimicrobial chemotherapy

  • ISSN

    0305-7453

  • e-ISSN

  • Volume of the periodical

    76

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    4

  • Pages from-to

    635-638

  • UT code for WoS article

    000620821900013

  • EID of the result in the Scopus database

    2-s2.0-85102098760