Subjective Evaluation of the Microenvironment Generated by a Hospital Bed with Localized Ventilation System

Nushka Kehayova, Zhecho Dimitrov Bolashikov, Arsen Krikor Melikov

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Abstract

A novel method for local hospital bed ventilation, called HBIVCU (Hospital Bed with Integrated Ventilation and Cleansing Unit), was studied in a human subject experiment. The goal of this study was to identify human response to the microenvironment generated by a hospital bed with installed HBIVCU and to compare with human response to the micro-environment at a hospital bed without local ventilation. 32 participants took part in two experimental conditions - hospital bed with and without installed HBIVCU. Subject’s votes on the bed microenvironment were collected via standardized questionnaires. The subjects evaluated the perceived air quality in the ventilated bed as better compared to that in the non-ventilated bed. The whole body thermal sensation (WTS) and acceptability votes were decreasing over time for the non-ventilated bed condition. Significant differences in the local thermal sensation LTS and the LTS acceptability votes between the two conditions could be found only for some body parts and time intervals. No draught was reported.
Original languageEnglish
Title of host publicationProceedings of Indoor Air 2016
Number of pages8
Publication date2016
Article number651
Publication statusPublished - 2016
Event14th international conference on Indoor Air Quality and Climate - Ghent, Belgium
Duration: 3 Jul 20168 Jul 2016
Conference number: 14

Conference

Conference14th international conference on Indoor Air Quality and Climate
Number14
Country/TerritoryBelgium
CityGhent
Period03/07/201608/07/2016

Keywords

  • Human subject response
  • Hospital bed ventilation
  • Cross-infection control
  • Perceived air quality
  • Thermal sensation

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