Journal article
1,3- -D-Glucan antigenemia for early diagnosis of invasive fungal infections in neutropenic patients with acute leukemia
Clinical Infectious Diseases, Vol.46(6), pp.878-885
2008
Abstract
Background. Invasive fungal infections (IFIs) are life-threatening complications in neutropenic patients with hematological malignancies. Because early diagnosis of IFI is difficult, new noninvasive, culture-independent diagnostic tools are needed to improve clinical management. Recent studies have reported that detection of 1,3-β-d-glucan (BG) antigenemia may be useful for diagnosis of IFI. The aim of the present prospective study was to evaluate the usefulness of monitoring BG in patients undergoing chemotherapy for acute leukemia.
Methods. BG antigenemia was measured by a colorimetric assay twice weekly in the absence of fever and daily in the presence of fever. IFIs were classified according to the criteria of the European Organization for Research and Treatment of Cancer/Mycoses Study Group.
Results. During 190 consecutive neutropenic episodes (median duration, 22 days; range, 7–113 days) in 95 patients, 30 proven or probable IFIs (13 aspergillosis, 15 candidiasis, and 2 mixed IFIs) were diagnosed. Sensitivity, specificity, positive predictive value, negative predictive value, and efficiency of 2 consecutive BG values ⩾7 pg/mL for diagnosis of proven or probable IFI was 0.63 (95% confidence interval, 0.44–0.79), 0.96 (95% confidence interval, 0.89–0.98), 0.79 (95% confidence interval, 0.57–0.92), 0.91 (95% confidence interval, 0.84–0.95), and 0.89, respectively. The time interval between onset of fever as first sign of IFI and BG antigenemia was significantly shorter than the time to diagnosis of IFI by clinical, microbiological, radiological, and/or histopathological criteria (P<.001). BG values >50 pg/mL were observed in only 2 patients, both of whom experienced failure of antifungal therapy.
Conclusion. Monitoring of BG antigenemia is a useful noninvasive method for early diagnosis of IFI in patients with acute leukemia.
Details
- Title
- 1,3- -D-Glucan antigenemia for early diagnosis of invasive fungal infections in neutropenic patients with acute leukemia
- Authors/Creators
- L. Senn (Author/Creator) - University Hospital of LausanneJ.O. Robinson (Author/Creator) - University Hospital of LausanneS. Schmidt (Author/Creator) - University Hospital of LausanneM. Knaup (Author/Creator) - University Hospital of LausanneN. Asahi (Author/Creator) - Wako Pure Chemical Industries, LtdS. Satomura (Author/Creator) - Wako Pure Chemical Industries, LtdS. Matsuura (Author/Creator) - Wako Pure Chemical Industries, LtdB. Duvoisin (Author/Creator) - University Hospital of LausanneJ. Bille (Author/Creator) - University Hospital of LausanneT. Calandra (Author/Creator) - University Hospital of LausanneO. Marchetti (Author/Creator) - University Hospital of Lausanne
- Publication Details
- Clinical Infectious Diseases, Vol.46(6), pp.878-885
- Publisher
- University of Chicago Press
- Identifiers
- 991005540132807891
- Copyright
- © 2008 Infectious Diseases Society of America
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Industry collaboration
- Domestic collaboration
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- Citation topics
- 1 Clinical & Life Sciences
- 1.148 Medical Mycology
- 1.148.94 Antifungal Strategies
- Web Of Science research areas
- Immunology
- Infectious Diseases
- Microbiology
- ESI research areas
- Immunology