4.6 Article

Clinical impact of rapid molecular detection of respiratory pathogens in patients with acute respiratory infection

期刊

JOURNAL OF CLINICAL VIROLOGY
卷 108, 期 -, 页码 90-95

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ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcv.2018.09.009

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Respiratory infections; Multiplex PCR; Antibiotics; Oseltamivir; FilmArray; Clinical impact

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资金

  1. Biofire/BioMerieux, USA

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Background: Acute respiratory infections (ARI) are a leading cause of morbidity and mortality worldwide. There is a need to demonstrate the clinical impact of using the new, rapid and sensitive molecular assays in prospectively designed studies. Objectives: To study the impact on medical management of a rapid molecular assay in patients with respiratory infections. Study design: A prospective, randomized, non-blinded study was performed in patients presenting to the Emergency Department during two respiratory seasons (2016-2017). Diagnosis was performed by FilmArray Respiratory Panel (FilmArray-RP) or by immunofluorescence assay (IFA). Results: A total of 432 patients (156 children and 276 adults) were analyzed. Diagnosis with FilmArray-RP was associated with significant changes in medical management including withholding antibiotic prescriptions (OR: 15.52, 95% CI: 1.99-120.83 in adults and OR: 12.23, 95% CI: 1.56-96.09 in children), and reduction in complementary studies in children (OR: 9.64, 95% CI: 2.13-43.63) compared to IFA. Decrease in oseltamivir prescriptions was significantly higher in adults in the FilmArray-RP group (p= 0.042; OR: 1.19, 95% CI: 0.512.79) compared to adults managed with IFA. Diagnostic yield was significantly higher by FilmArray-RP (81%) than by IFA (31%)(p < 0.001). The median time from sample collection to reporting was 1 h 52 min by FilmArray-RP and 26 h by IFA (p < 0.001). Conclusions: The high respiratory viruses' detection rate and availability of results within two hours when using FilmArray-RP were associated with decreases in antibiotic prescriptions and complementary studies and more accurate use of oseltamivir.

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