{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T17:14:56Z","timestamp":1793121296782,"version":"4.5.0"},"reference-count":36,"publisher":"American Society for Microbiology","issue":"10","license":[{"start":{"date-parts":[[2024,10,3]],"date-time":"2024-10-03T00:00:00Z","timestamp":1727913600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,10,3]],"date-time":"2024-10-03T00:00:00Z","timestamp":1727913600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Microbiol Spectr"],"published-print":{"date-parts":[[2024,10,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title\/>\n                    <jats:p>\n                      Brain abscess is a severe infection characterized by the accumulation of pus within the brain parenchyma. Accurate identification of the causative pathogens is crucial for effective treatment and improved patient outcomes. This 10-year retrospective, single-center study aimed to compare the detection performance of conventional culture methods and metagenomic next-generation sequencing (mNGS) in brain abscess. We reviewed 612 patients diagnosed with brain abscess and identified 174 cases with confirmed etiology. The median age was 52 years, with 69.5% males. Culture tests predominately identified gram-positive bacteria, particularly\n                      <jats:italic>Streptococcus<\/jats:italic>\n                      spp. Gram-negative bacteria, including\n                      <jats:italic>Klebsiella<\/jats:italic>\n                      spp., were also detected. However, mNGS revealed a more diverse pathogen spectrum, focusing on anaerobes (e.g.,\n                      <jats:italic>Fusobacterium<\/jats:italic>\n                      spp.,\n                      <jats:italic>Parvimonas<\/jats:italic>\n                      spp.,\n                      <jats:italic>Porphyromonas<\/jats:italic>\n                      spp.\n                      <jats:italic>, Prevotella<\/jats:italic>\n                      spp., and\n                      <jats:italic>Tannerella<\/jats:italic>\n                      spp.). mNGS exhibited significantly higher overall pathogen-positive rates in pus samples (85.0% vs 50.0%,\n                      <jats:italic>P<\/jats:italic>\n                      = 0.0181) and CSF samples (84.2% vs 7.9%,\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.0001) compared to culture. Furthermore, the detection rates for anaerobes displayed a notable disparity, with mNGS yielding significantly higher positive detections in both pus samples (50.0% vs 10%,\n                      <jats:italic>P<\/jats:italic>\n                      = 0.0058) and CSF samples (18.4% vs 0%,\n                      <jats:italic>P<\/jats:italic>\n                      = 0.0115) when compared to culture methods. The assistance of mNGS in pathogen detection, particularly anaerobes in brain abscess, was evident in our findings. mNGS demonstrated the ability to identify rare and fastidious pathogens, even in culture-negative cases. These results emphasize the clinical value of mNGS as a supplement for brain abscess, enabling more comprehensive and accurate pathogen identification.\n                    <\/jats:p>\n                    <jats:sec>\n                      <jats:title>IMPORTANCE<\/jats:title>\n                      <jats:p>The accurate identification of pathogens causing brain abscess is crucial for effective treatment and improved patient outcomes. In this 10-year retrospective study, the detection performance of conventional culture methods and metagenomic next-generation sequencing (mNGS) was compared. The study analyzed 612 patients with brain abscess and confirmed etiology in 174 cases. The results showed that culture tests predominantly identified gram-positive bacteria, while mNGS unveiled a broader diverse pathogen spectrum, particularly anaerobes. The mNGS method exhibited significantly higher overall rates of pathogen positivity both in pus and cerebrospinal fluid (CSF) samples, surpassing the culture methods. Notably, mNGS detected a significantly higher number of anaerobes in both pus and CSF samples compared to culture methods. These findings underscore the clinical value of mNGS as a supplement for brain abscess diagnosis, enabling more comprehensive and accurate pathogen identification, particularly for rare and fastidious pathogens that evade detection by conventional culture methods.<\/jats:p>\n                    <\/jats:sec>\n                  <\/jats:sec>","DOI":"10.1128\/spectrum.00325-24","type":"journal-article","created":{"date-parts":[[2024,9,12]],"date-time":"2024-09-12T09:15:58Z","timestamp":1726132558000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":23,"title":["Augmented pathogen detection in brain abscess using metagenomic next-generation sequencing: a retrospective cohort study"],"prefix":"10.1128","volume":"12","author":[{"given":"Xuyang","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National 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