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- W4238362568 abstract "<ns4:p><ns4:bold>Background:</ns4:bold> Cell-free DNA (cfDNA) sequencing has emerged as an effective laboratory method for rapid and noninvasive diagnosis in prenatal screening testing, organ transplant rejection screening, and oncology liquid biopsies but clinical experience for use of this technology in diagnostic evaluation of infections in immunocompromised hosts is limited. </ns4:p><ns4:p> <ns4:bold>Methods:</ns4:bold> We conducted an exploratory study using next-generation sequencing (NGS) for detection of microbial cfDNA in a cohort of ten immunocompromised patients with febrile neutropenia, pneumonia or intra-abdominal infection. </ns4:p><ns4:p> <ns4:bold>Results:</ns4:bold> Pathogen identification by cfDNA NGS demonstrated positive agreement with conventional diagnostic laboratory methods in 7 (70%) cases, including patients with proven/probable invasive aspergillosis, <ns4:italic>Pneumocystis jirovecii</ns4:italic> pneumonia, <ns4:italic>Stenotrophomonas maltophilia</ns4:italic> bacteremia, Cytomegalovirus and Adenovirus viremia. NGS results were discordant in 3 (30%) cases including two patients with culture negative sepsis who had undergone hematopoietic stem cell transplant in whom cfDNA testing identified the etiological agent of sepsis; and one kidney transplant recipient with invasive aspergillosis who had received >6 months of antifungal therapy prior to NGS testing.</ns4:p><ns4:p> <ns4:bold>Conclusion:</ns4:bold> These observations support the clinical utility of measurement of microbial cfDNA sequencing from peripheral blood for rapid noninvasive diagnosis of infections in immunocompromised hosts. Larger studies are needed.</ns4:p>" @default.
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- W4238362568 date "2019-11-21" @default.
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- W4238362568 title "Next-generation sequencing of microbial cell-free DNA for rapid noninvasive diagnosis of infectious diseases in immunocompromised hosts" @default.
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