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A Pediatric Infection Screening System with a Radar Respiration Monitor for Rapid Detection of Seasonal Influenza among Outpatient Children | OMICS International | Abstract
ISSN: 2332-0877

Journal of Infectious Diseases & Therapy
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Research Article

A Pediatric Infection Screening System with a Radar Respiration Monitor for Rapid Detection of Seasonal Influenza among Outpatient Children

Guanghao Sun1, Yu Yao2, Ritsu Yoshinaka3, Mayumi Ikegami4, Seokjin Kim1, Michael Schiek2 and Takemi Matsui1*
1Graduate School of System Design, Tokyo Metropolitan University, Japan
2Central Institute ZEA-2–Electronic Systems, Research Center Jülich, Germany
3Ritsu Pediatric Dental Clinic, 1-8-7 Honda, Kokubunji, Tokyo 185-0011, Japan
4Nishi-kokubunji Clinic, 3-24-3 Nishi-koigakubo, Kokubunji, Tokyo 185-0013, Japan
Corresponding Author : Takemi Matsui
Graduate School of System Design
Tokyo Metropolitan University
6-6 Asahigaoka, Hino, Tokyo 191-0065, Japan
Tel: +81 42 585 8669
Fax: +81 42 585 8467
E-mail: [email protected]
Received June 26, 2014; Accepted September 09, 2014; Published September 15, 2014
Citation: Sun G, Yao Y, Yoshinaka R, Ikegami M, Kim S, et al. (2014) A Pediatric Infection Screening System with a Radar Respiration Monitor for Rapid Detection of Seasonal Influenza among Outpatient Children. J Infect Dis Ther 2:163. doi:10.4172/2332-0877.1000163
Copyright: © 2014 Sun G, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Background: Seasonal influenza virus outbreaks cause annual epidemics, mostly during winter in temperate zone countries, especially resulting in increased morbidity and higher mortality in children. In order to conduct rapid screening for influenza in pediatric outpatient units, we developed a pediatric infection screening system with a radar respiration monitor.
Methods: The system conducts influenza screening within 10 seconds based on vital signs (i.e., respiration rate monitored using a 24 GHz microwave radar; facial temperature, using a thermopile array; and heart rate, using a pulse photosensor). A support vector machine (SVM) classification method was used to discriminate influenza children from healthy children based on vital signs. To assess the classification performance of the screening system that uses the SVM, we conducted influenza screening for 70 children (i.e., 27 seasonal influenza patients (11 ± 2 years) at a pediatric clinic and 43 healthy control subjects (9 ± 4 years) at a pediatric dental clinic) in the winter of 2013-2014.
Results: The screening system using the SVM identified 26 subjects with influenza (22 of the 27 influenza patients and 4 of the 43 healthy subjects). The system discriminated 44 subjects as healthy (5 of the 27 influenza patients and 39 of the 43 healthy subjects), with sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of 81.5%, 90.7%, 84.6%, and 88.6%, respectively.
Conclusion: The SVM-based screening system achieved classification results for the outpatient children based on vital signs with comparatively high NPV within 10 seconds. At pediatric clinics and hospitals, our system seems potentially useful in the first screening step for infections in the future.


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