Selected article for: "design study and study assay"
Author: Echavarría, M.; Marcone, D.N.; Querci, M.; Seoane, A.; Ypas, M.; Videla, C.; O'Farrell, C.; Vidaurreta, S.; Ekstrom, J.; Carballal, G.
Title: Clinical impact of rapid molecular detection of respiratory pathogens in patients with acute respiratory infection
  • Cord-id: cwunxhyw
  • Document date: 2018_9_14
    • ID: cwunxhyw
    Snippet: 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 t
    Document: 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:0.51-2.79) 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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