FlowUTI: An interactive web-application for optimizing the use of flow cytometry as a screening tool in urinary tract infections.

Due to the high prevalence of patients attending with urinary tract infection (UTI) symptoms, the use of flow-cytometry as a rapid screening tool to avoid unnecessary cultures is becoming a widely used system in clinical practice. However, the recommended cut-points applied in flow-cytometry systems...

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Main Authors: Guillermo Martín-Gutiérrez, Carlos Martín-Pérez, Héctor Toledo, Emilio Sánchez-Cantalejo, José Antonio Lepe
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2022-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0277340
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author Guillermo Martín-Gutiérrez
Carlos Martín-Pérez
Héctor Toledo
Emilio Sánchez-Cantalejo
José Antonio Lepe
author_facet Guillermo Martín-Gutiérrez
Carlos Martín-Pérez
Héctor Toledo
Emilio Sánchez-Cantalejo
José Antonio Lepe
author_sort Guillermo Martín-Gutiérrez
collection DOAJ
description Due to the high prevalence of patients attending with urinary tract infection (UTI) symptoms, the use of flow-cytometry as a rapid screening tool to avoid unnecessary cultures is becoming a widely used system in clinical practice. However, the recommended cut-points applied in flow-cytometry systems differ substantially among authors, making it difficult to obtain reliable conclusions. Here, we present FlowUTI, a shiny web-application created to establish optimal cut-off values in flow-cytometry for different UTI markers, such as bacterial or leukocyte counts, in urine from patients with UTI symptoms. This application provides a user-friendly graphical interface to perform robust statistical analysis without a specific training. Two datasets are analyzed in this manuscript: one composed of 204 urine samples from neonates and infants (≤3 months old) attended in the emergency department with suspected UTI; and the second dataset including 1174 urines samples from an elderly population attended at the primary care level. The source code is available on GitHub (https://github.com/GuillermoMG-HUVR/Microbiology-applications/tree/FlowUTI/FlowUTI). The web application can be executed locally from the R console. Alternatively, it can be freely accessed at https://covidiario.shinyapps.io/flowuti/. FlowUTI provides an easy-to-use environment for evaluating the efficiency of the urinary screening process with flow-cytometry, reducing the computational burden associated with this kind of analysis.
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spelling doaj.art-04ac19b877ef4047832a946002584c452023-03-23T05:32:09ZengPublic Library of Science (PLoS)PLoS ONE1932-62032022-01-011711e027734010.1371/journal.pone.0277340FlowUTI: An interactive web-application for optimizing the use of flow cytometry as a screening tool in urinary tract infections.Guillermo Martín-GutiérrezCarlos Martín-PérezHéctor ToledoEmilio Sánchez-CantalejoJosé Antonio LepeDue to the high prevalence of patients attending with urinary tract infection (UTI) symptoms, the use of flow-cytometry as a rapid screening tool to avoid unnecessary cultures is becoming a widely used system in clinical practice. However, the recommended cut-points applied in flow-cytometry systems differ substantially among authors, making it difficult to obtain reliable conclusions. Here, we present FlowUTI, a shiny web-application created to establish optimal cut-off values in flow-cytometry for different UTI markers, such as bacterial or leukocyte counts, in urine from patients with UTI symptoms. This application provides a user-friendly graphical interface to perform robust statistical analysis without a specific training. Two datasets are analyzed in this manuscript: one composed of 204 urine samples from neonates and infants (≤3 months old) attended in the emergency department with suspected UTI; and the second dataset including 1174 urines samples from an elderly population attended at the primary care level. The source code is available on GitHub (https://github.com/GuillermoMG-HUVR/Microbiology-applications/tree/FlowUTI/FlowUTI). The web application can be executed locally from the R console. Alternatively, it can be freely accessed at https://covidiario.shinyapps.io/flowuti/. FlowUTI provides an easy-to-use environment for evaluating the efficiency of the urinary screening process with flow-cytometry, reducing the computational burden associated with this kind of analysis.https://doi.org/10.1371/journal.pone.0277340
spellingShingle Guillermo Martín-Gutiérrez
Carlos Martín-Pérez
Héctor Toledo
Emilio Sánchez-Cantalejo
José Antonio Lepe
FlowUTI: An interactive web-application for optimizing the use of flow cytometry as a screening tool in urinary tract infections.
PLoS ONE
title FlowUTI: An interactive web-application for optimizing the use of flow cytometry as a screening tool in urinary tract infections.
title_full FlowUTI: An interactive web-application for optimizing the use of flow cytometry as a screening tool in urinary tract infections.
title_fullStr FlowUTI: An interactive web-application for optimizing the use of flow cytometry as a screening tool in urinary tract infections.
title_full_unstemmed FlowUTI: An interactive web-application for optimizing the use of flow cytometry as a screening tool in urinary tract infections.
title_short FlowUTI: An interactive web-application for optimizing the use of flow cytometry as a screening tool in urinary tract infections.
title_sort flowuti an interactive web application for optimizing the use of flow cytometry as a screening tool in urinary tract infections
url https://doi.org/10.1371/journal.pone.0277340
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