ArticleClinical infectious diseases : an official publication of the Infectious Diseases Society of America2022
Microbial Cell-Free DNA Identifies Etiology of Bloodstream Infections, Persists Longer Than Conventional Blood Cultures, and Its Duration of Detection Is Associated With Metastatic Infection in Patients With Staphylococcus aureus and Gram-Negative Bacteremia.
Article in Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.
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Who cites it
50 citing papers in PubMed, 87 citations in OpenAlex.
- Effects of a clinical metagenomics intervention on clinical outcomes, healthcare costs, and health-related quality of life in patients with sepsis or septic shock: results of the randomized-controlled DigiSep trial.Intensive care medicine · 2026Trial
- Diagnostic value of plasma cell-free DNA metagenomic next-generation sequencing in patients with suspected infections and exploration of clinical scenarios-a retrospective study from a single center.Annals of medicine · 2026Article
- Application value and challenges associated with plasma cell-free DNA metagenomic sequencing technology in the diagnosis of infections in patients with hematological disorders.Blood science (Baltimore, Md.) · 2026Review
- Microbial signal profiles and organism-level concordance between plasma metagenomic sequencing and blood culture in suspected bloodstream infection.World journal of microbiology & biotechnology · 2026Article
- Methicillin-resistant Staphylococcus aureus.Nature reviews. Disease primers · 2026Review
- Blood-based targeted sequencing of microbial cell-free DNA in severe pneumonia-associated sepsis.Respiratory research · 2026Article
- Timing of Bronchoscopy and Plasma Microbial Cell-Free DNA Sequencing in Immunocompromised Host Pneumonia.Open forum infectious diseases · 2026Article
- Linezolid in addition to standard antibiotic treatment forBMJ open · 2026Article
- Refining the Clinical Utility of Plasma Microbial Cell-Free DNA Sequencing in High-Risk Population of Infection: A Narrative Review.Infection and drug resistance · 2026Review
- Cell-free DNA metagenomic next generation sequencing for the diagnosis of infectious diseases: a retrospective assessment of clinical utility in a tertiary and quaternary care facility.Frontiers in microbiology · 2026Article
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- Next-Generation Sequencing for Bloodstream Infections: Shaping the Future of Rapid Diagnostics and Precision Medicine.Diagnostics (Basel, Switzerland) · 2025Review
- Quantitative Microbial Cell-Free DNA Sequencing From Plasma: A Potential Biomarker for the Diagnosis of Staphylococcal Infection of Cardiac Implantable Electronic Devices.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2025Article
- Ultra-broad hybrid capture-based targeted next-generation sequencing for sensitive plasma pathogen cfDNA detection in bloodstream infections.Journal of translational medicine · 2025Article
- Optimizing Clinical Indicators in Hematologic Malignancies and Sepsis Using ddPCR: A Retrospective Study.Infectious diseases and therapy · 2025Article
- Circulating Cell-Free DNA of Bovine Leukemia Virus: A Promising Biomarker for Enzootic Bovine Leukosis.Microbiology and immunology · 2025Article
- China Expert consensus on the application of metagenomic next-generation sequencing for the etiological diagnosis of infections in hematological disorders (2024).Blood science (Baltimore, Md.) · 2025Article
- Rapid, Amplification-free, RNA-based Uropathogen Detection With LbuCas13a.Open forum infectious diseases · 2025Article
- Next-Generation Sequencing Techniques to Diagnose Culture-Negative Subacute Native Aortic Endocarditis.Emerging infectious diseases · 2025Article
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Authors and funding
17 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundMicrobial cell-free DNA (mcfDNA) sequencing of plasma can identify the presence of a pathogen in a host. In this study, we evaluated the duration of pathogen detection by mcfDNA sequencing vs conventional blood culture in patients with bacteremia.
methodsBlood samples from patients with culture-confirmed bloodstream infection were collected within 24 hours of the index positive blood culture and 48 to 72 hours thereafter. mcfDNA was extracted from plasma, and next-generation sequencing was applied. Reads were aligned against a curated pathogen database. Statistical significance was defined with Bonferroni adjustment for multiple comparisons (P < .0033).
resultsA total of 175 patients with Staphylococcus aureus bacteremia (n = 66), gram-negative bacteremia (n = 74), or noninfected controls (n = 35) were enrolled. The overall sensitivity of mcfDNA sequencing compared with index blood culture was 89.3% (125 of 140), and the specificity was 74.3%. Among patients with bacteremia, pathogen-specific mcfDNA remained detectable for significantly longer than conventional blood cultures (median 15 days vs 2 days; P < .0001). Each additional day of mcfDNA detection significantly increased the odds of metastatic infection (odds ratio, 2.89; 95% confidence interval, 1.53-5.46; P = .0011).
conclusionsPathogen mcfDNA identified the bacterial etiology of bloodstream infection for a significantly longer interval than conventional cultures, and its duration of detection was associated with increased risk for metastatic infection. mcfDNA could play a role in the diagnosis of partially treated endovascular infections.
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