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Field evaluation of an infectious disease/fever screening radar system during the 2017 dengue fever outbreak in Hanoi, Vietnam: a preliminary report

Published:October 25, 2017DOI:https://doi.org/10.1016/j.jinf.2017.10.005
      We previously reported in Journal of Infection an infectious disease/fever screening radar system, which is a multiple biosensor fusion system that can rapidly detect suspected infections in patients within 10 s based on contactless monitored vital signs in places of mass gatherings such as airport quarantine stations and outpatient units.
      • Matsui T.
      • Hakozaki Y.
      • Suzuki S.
      • Usui T.
      • Kato T.
      • Hasegawa K.
      • et al.
      A novel screening method for influenza patients using a newly developed non-contact screening system.
      • Sun G.
      • Hakozaki Y.
      • Abe S.
      • Vinh N.Q.
      • Matsui T.
      A novel infection screening method using a neural network and k-means clustering algorithm which can be applied for screening of unknown or unexpected infectious diseases.
      • Sun G.
      • Matsui T.
      • Hakozaki Y.
      • Abe S.
      An infectious disease/fever screening radar system which stratifies higher-risk patients within ten seconds using a neural network and the fuzzy grouping method.
      • Sun G.
      • Akanuma M.
      • Matsui T.
      Clinical evaluation of the newly developed infectious disease/fever screening radar system using the neural network and fuzzy grouping method for travellers with suspected infectious diseases at Narita International Airport Clinic.
      In our previous work, the system was investigated with hospitalized influenza patients during the winter seasons from 2009 to 2014 in Japan. The sensitivity of the system for detecting influenza ranged from 81.5% to 98.0% in case-control studies. The fundamental idea of designing this screening system based on vital signs and symptoms stems from the criteria of systemic inflammatory response syndrome (SIRS) associated with infection. Three of the four SIRS criteria, i.e., body temperature, heart rate, and respiratory rate, can be measured simultaneously using our system, allowing the initial detection of patients with non-specific infectious diseases. In this regard, the system is more suitable for first-stage screening of various infectious diseases before a specific diagnosis. Therefore, to further investigate the screening system in real-world settings, we conducted a field evaluation of the system during a dengue fever epidemic at the National Hospital of Tropical Diseases (NHTD), Hanoi, Vietnam. NHTD is a specialized hospital for infectious and tropical diseases in the north of Vietnam and is responsible for the control and prevention of epidemics.
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      References

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        • Hakozaki Y.
        • Suzuki S.
        • Usui T.
        • Kato T.
        • Hasegawa K.
        • et al.
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