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    Performance of the VITEK® MS system for the identification of filamentous fungi in a microbiological laboratory in Chile
    (Public Library of Science (PLoS), 2024-12-23)
    PORTE TORRE, LORENA ISABEL  
    ;
    Rodrigo Cruz
    ;
    Pérez Villa, Inia
    ;
    Carmen Varela
    ;
    Cristina Díaz
    <jats:p>Filamentous fungi are an emergent cause of severe infections in immunocompromised patients. Timely and accurate identification is crucial to initiate appropriate therapy. Traditional identification methods are time-consuming, labor-intensive, and operator-dependent. Matrix-assisted laser desorption/ionization-time-of-flight (MALDI-TOF) mass spectrometry is a rapid and easy-to-perform identification method. The effectiveness of a commercial MALDI-TOF MS platform to identify filamentous fungi in a clinical laboratory was evaluated. The study included 67 fungal isolates from 35 species/species complexes, which were identified and confirmed in mycology reference laboratories; 32 derived from clinical samples, 34 from strain collections and one was an ATCC strain. The study used the VITEK<jats:sup>®</jats:sup> MS system (v3.2.0 database), after sample extraction by VITEK<jats:sup>®</jats:sup> MS Mould Kit. Results were classified as “correct species”, “correct species complex”, “correct genus”and “no identification”. VITEK<jats:sup>®</jats:sup> MS correctly identified 91.0% of isolates (58.2% to species, 29.9% to species complex, and 1.5% to genus level only). In 82%, the result matched the species/species complex identified by reference methods. No misidentifications were observed. The kit was rapid and easy to use. In conclusion, the VITEK<jats:sup>®</jats:sup> MS system showed a high capability to accurately identify filamentous fungi in a clinical laboratory.</jats:p>
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    Prevalence of chronic pulmonary aspergillosis regarding time of tuberculosis diagnosis in Brazil
    (2022)
    Cláudia E. Volpe‐Chaves
    ;
    James Venturini
    ;
    Suse B. Castilho
    ;
    Simone S. O. Fonseca
    ;
    Thiago F. Nunes
      25Scopus© Citations 14
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    An ulcer on the arm of an immunocompromised patient
    (2020)
    Hasbún Zegpi M.T
    ;
    Alfaro-Sepúlveda D.
    ;
    González Bombardiere S.
      1
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    Scopus© Citations 3  4