{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T21:44:31Z","timestamp":1789767871711,"version":"4.0.1"},"reference-count":20,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2010,8,24]],"date-time":"2010-08-24T00:00:00Z","timestamp":1282608000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/2.0\/"},{"start":{"date-parts":[[2010,8,24]],"date-time":"2010-08-24T00:00:00Z","timestamp":1282608000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/2.0\/"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Crit Care"],"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                        <jats:title>Introduction<\/jats:title>\n                        <jats:p>Sepsis is a serious medical condition that requires rapidly administered, appropriate antibiotic treatment. Conventional methods take three or more days for final pathogen identification and antimicrobial susceptibility testing. We organized a prospective observational multicenter study in three study sites to evaluate the diagnostic accuracy and potential clinical utility of the Septi<jats:italic>Fast<\/jats:italic> system, a multiplex pathogen detection system used in the clinical setting to support early diagnosis of bloodstream infections.<\/jats:p>\n                     <\/jats:sec><jats:sec>\n                        <jats:title>Methods<\/jats:title>\n                        <jats:p>A total of 212 patients, suspected of having systemic inflammatory response syndrome (SIRS) caused by bacterial or fungal infection, were enrolled in the study. From these patients, 407 blood samples were taken and blood culture analysis was performed to identify pathogens. Whole blood was also collected for DNA Detection Kit analysis immediately after its collection for blood culture. The results of the DNA Detection Kit, blood culture and other culture tests were compared. The chosen antimicrobial treatment in patients whose samples tested positive in the DNA Detection Kit and\/or blood culture analysis was examined to evaluate the effect of concomitant antibiotic exposure on the results of these analyses.<\/jats:p>\n                     <\/jats:sec><jats:sec>\n                        <jats:title>Results<\/jats:title>\n                        <jats:p>Septi<jats:italic>Fast<\/jats:italic> analysis gave a positive result for 55 samples, while 43 samples were positive in blood culture analysis. The DNA Detection Kit identified a pathogen in 11.3% (45\/400) of the samples, compared to 8.0% (32\/400) by blood culture analysis. Twenty-three pathogens were detected by Septi<jats:italic>Fast<\/jats:italic> only; conversely, this system missed five episodes of clinically significant bacteremia (Methicillin-resistant <jats:italic>Staphylococcus aureus<\/jats:italic> (MRSA), 2; <jats:italic>Pseudomonas aeruginosa<\/jats:italic>, 1; <jats:italic>Klebsiella spp<\/jats:italic>, 1; <jats:italic>Enterococcus faecium<\/jats:italic>, 1). The number of samples that tested positive was significantly increased by combining the result of the blood culture analysis with those of the DNA Detection Kit analysis (<jats:italic>P<\/jats:italic> = 0.01). Among antibiotic pre-treated patients (prevalence, 72%), Septi<jats:italic>Fast<\/jats:italic> analysis detected more bacteria\/fungi, and was less influenced by antibiotic exposure, compared with blood culture analysis (<jats:italic>P<\/jats:italic> = 0.02).<\/jats:p>\n                     <\/jats:sec><jats:sec>\n                        <jats:title>Conclusions<\/jats:title>\n                        <jats:p>This rapid multiplex pathogen detection system complemented traditional culture-based methods and offered some added diagnostic value for the timely detection of causative pathogens, particularly in antibiotic pre-treated patients. Adequately designed intervention studies are needed to prove its clinical effectiveness in improving appropriate antibiotic selection and patient outcomes.<\/jats:p>\n                     <\/jats:sec>","DOI":"10.1186\/cc9234","type":"journal-article","created":{"date-parts":[[2010,8,24]],"date-time":"2010-08-24T06:16:48Z","timestamp":1282630608000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":79,"title":["Evaluation of pathogen detection from clinical samples by real-time polymerase chain reaction using a sepsis pathogen DNA detection 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