Impact of ITS-Based Sequencing on Antifungal Treatment of Patients with Suspected Invasive Fungal Infections

Molecular techniques including the sequencing of fungal-specific DNA targets are increasingly used in the diagnosis of suspected invasive fungal infections. In contrast to established biomarkers like galactomannan or 1-3-β-<span style="font-variant: small-caps;">d</span>-glucan...

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Bibliographic Details
Main Authors: Sara Guenter, Gregor Gorkiewicz, Bettina Halwachs, Karl Kashofer, Andrea Thueringer, Phillip Wurm, Ines Zollner-Schwetz, Thomas Valentin, Juergen Prattes, Stefanie Wunsch, Elisabeth Ullrich, Christoph Zurl, Martin Hoenigl, Robert Krause
Format: Article
Language:English
Published: MDPI AG 2020-03-01
Series:Journal of Fungi
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Online Access:https://www.mdpi.com/2309-608X/6/2/43
Description
Summary:Molecular techniques including the sequencing of fungal-specific DNA targets are increasingly used in the diagnosis of suspected invasive fungal infections. In contrast to established biomarkers like galactomannan or 1-3-β-<span style="font-variant: small-caps;">d</span>-glucan, the clinical impact of these methods remains unknown. We retrospectively investigated the impact of ITS1-sequencing on antifungal treatment strategies in 71 patients (81 samples) with suspected invasive fungal infections. ITS-sequencing either confirmed already ongoing antifungal therapy (19/71 patients, 27%), led to a change in antifungal therapy (11/71, 15%) or supported the decision to withhold antifungal treatment (34/71, 48%) (in seven of 71 patients, ITS-sequencing results were obtained postmortem). ITS-sequencing results led to a change in antifungal therapy in a relevant proportion of patients, while it confirmed therapeutic strategies in the majority. Therefore, ITS-sequencing was a useful adjunct to other fungal diagnostic measures in our cohort.
ISSN:2309-608X