Document Detail

Application of Lagrangian particle transport model to tuberculosis (TB) bacteria UV dosing in a ventilated isolation room.
MedLine Citation:
PMID:  11672479     Owner:  NLM     Status:  MEDLINE    
The aim of this work is to define the basis for design guidelines that will minimise the risk of exposure from airborne organisms in hospital isolation rooms. This research employs an algorithm that combines an understanding of the interaction between the room airflow and the ultra violet (UV) system. The airflow in such a room is complex and therefore cannot easily be accounted for by existing design guidance. The main findings were firstly, the mean lifetime of the ventilated particles does not reduce in proportion with increasing ventilation rate. Secondly, an increase in the ventilation rate reduces the effectiveness of ultra violet germicidal irradiation (UVGI) with only a limited increase in the number of particles that are ventilated. Finally, there is a social benefit attached to this project from the point of view of helping people who are vulnerable as well as reducing their risk of being exposed to possible tuberculosis infection. The significance of these findings is to provide the engineer and the architect with an essential tool to ensure good design practice. It is also important to ensure that the methodology can be applicable to most isolation room uses.
A Alani; I E Barton; M J Seymour; L C Wrobel
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of environmental health research     Volume:  11     ISSN:  0960-3123     ISO Abbreviation:  Int J Environ Health Res     Publication Date:  2001 Sep 
Date Detail:
Created Date:  2001-10-23     Completed Date:  2001-12-04     Revised Date:  2009-08-14    
Medline Journal Info:
Nlm Unique ID:  9106628     Medline TA:  Int J Environ Health Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  219-28     Citation Subset:  IM    
Flomerics Limited, Hampton Court, Surrey KT8 9HH, UK.
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MeSH Terms
Air Movements
Hospital Design and Construction*
Infection Control / methods*
Particle Size
Patient Isolation*
Risk Assessment
Tuberculosis, Pulmonary / prevention & control*,  transmission
Ultraviolet Rays

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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