Size of multibed patient room and airborne infection risk

Masayuki Ogata, Masakazu Suzuki, Shinichi Tanabe, Satoshi Hori, Shoichi Morimoto, Hitomi Tsutsumi

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The objective of this research is to investigate the relationship between the size of a multibed patient room and the risk of airborne infection. Computational fluid dynamics simulations were used to address a number of room sizes with two types of ventilation systems. Assuming that one patient was infected and that infectious agents were contained in exhaled air, the risk of airborne infection was evaluated by the respirable concentration of each patient and the concentration distribution. The results of the simulations show that the airborne infection risk reduced with an increase in the room area, and that the risk of airborne infection tended to increase when the distance between the source of infectious agents and the exhaust outlet was larger than 2.3 m under personal ventilation conditions. In ceiling cassette type conditions, an increase in the room area may increase the risk of airborne infection because the decline in ventilation efficiency and the increase in the ventilation rate decrease the risk of airborne infection.

    Original languageEnglish
    Title of host publicationIndoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate
    PublisherInternational Society of Indoor Air Quality and Climate
    Pages52-57
    Number of pages6
    Publication statusPublished - 2014
    Event13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014 - Hong Kong
    Duration: 2014 Jul 72014 Jul 12

    Other

    Other13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014
    CityHong Kong
    Period14/7/714/7/12

    Fingerprint

    Patients' Rooms
    Ventilation
    Infection
    Ceilings
    Hydrodynamics
    Computational fluid dynamics
    Air
    Computer simulation
    Research

    Keywords

    • CFD
    • Infection control
    • Multibed patient room
    • Simulation

    ASJC Scopus subject areas

    • Pollution
    • Building and Construction
    • Health, Toxicology and Mutagenesis
    • Computer Science Applications

    Cite this

    Ogata, M., Suzuki, M., Tanabe, S., Hori, S., Morimoto, S., & Tsutsumi, H. (2014). Size of multibed patient room and airborne infection risk. In Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate (pp. 52-57). International Society of Indoor Air Quality and Climate.

    Size of multibed patient room and airborne infection risk. / Ogata, Masayuki; Suzuki, Masakazu; Tanabe, Shinichi; Hori, Satoshi; Morimoto, Shoichi; Tsutsumi, Hitomi.

    Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate. International Society of Indoor Air Quality and Climate, 2014. p. 52-57.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Ogata, M, Suzuki, M, Tanabe, S, Hori, S, Morimoto, S & Tsutsumi, H 2014, Size of multibed patient room and airborne infection risk. in Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate. International Society of Indoor Air Quality and Climate, pp. 52-57, 13th International Conference on Indoor Air Quality and Climate, Indoor Air 2014, Hong Kong, 14/7/7.
    Ogata M, Suzuki M, Tanabe S, Hori S, Morimoto S, Tsutsumi H. Size of multibed patient room and airborne infection risk. In Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate. International Society of Indoor Air Quality and Climate. 2014. p. 52-57
    Ogata, Masayuki ; Suzuki, Masakazu ; Tanabe, Shinichi ; Hori, Satoshi ; Morimoto, Shoichi ; Tsutsumi, Hitomi. / Size of multibed patient room and airborne infection risk. Indoor Air 2014 - 13th International Conference on Indoor Air Quality and Climate. International Society of Indoor Air Quality and Climate, 2014. pp. 52-57
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