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1.
J Microbiol Methods ; 217-218: 106887, 2024.
Article in English | MEDLINE | ID: mdl-38169204

ABSTRACT

This retrospective study evaluates the clinical utility of CFPNGS in the diagnosis and management of pediatric meningitis. CFPNGS identified a causative pathogen in 36% of 28 subjects, compared to 50% for diverse conventional testing (57% combined). CFPNGS may be considered as an adjunct to standard testing.


Subject(s)
Meningitis , Humans , Child , Retrospective Studies , Meningitis/diagnosis , High-Throughput Nucleotide Sequencing , Technology , Metagenomics
2.
Diagn Microbiol Infect Dis ; 110(2): 116468, 2024 Oct.
Article in English | MEDLINE | ID: mdl-39094237

ABSTRACT

Pediatric pneumonia can be severe and result in empyema. Next-generation sequencing (NGS) may broadly detect pathogens though, optimal timing and impact of sample type on diagnostic yield is unknown. This is a prospective, single-center pilot study of children aged 3 months through 17 years admitted to the PICU with a primary diagnosis of complicated pneumonia. Plasma, endotracheal, nasopharyngeal, and pleural fluid samples were collected at three time points during hospitalization. After nucleic acid extraction, combined libraries were enriched with an NGS enrichment panel kit (RPIP, Illumina), sequenced and quantitative organism detections were analyzed. NGS identified the same bacterial pathogen as traditional testing in all samples, regardless of antibiotic pre-treatment or time collected. Conventional culture methods only identified the pathogen reliably in invasively obtained pleural fluid or endotracheal aspirates. Future application of NGS may allow for non-invasive pathogen detection at a broader range of time points and more targeted antibiotic coverage.


Subject(s)
High-Throughput Nucleotide Sequencing , Humans , High-Throughput Nucleotide Sequencing/methods , Child , Infant , Child, Preschool , Prospective Studies , Adolescent , Pilot Projects , Male , Female , Bacteria/genetics , Bacteria/isolation & purification , Bacteria/classification , Pneumonia, Bacterial/diagnosis , Pneumonia, Bacterial/microbiology , Nasopharynx/microbiology , Pneumonia/microbiology , Pneumonia/diagnosis
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