Fast-track ventilation strategy to cater for pandemic patient isolation surges
Identifieur interne : 001D23 ( Main/Exploration ); précédent : 001D22; suivant : 001D24Fast-track ventilation strategy to cater for pandemic patient isolation surges
Auteurs : P. L. Yuen [République populaire de Chine] ; R. Yam [République populaire de Chine] ; R. Yung [République populaire de Chine] ; K. L. Choy [République populaire de Chine]Source :
- The Journal of Hospital Infection [ 0195-6701 ] ; 2012.
Abstract
The shortage of isolation facilities in hospitals was highlighted during the severe acute respiratory syndrome (SARS) pandemic in 2003. Yet, as the nature and scale of future pandemics cannot be adequately estimated, it is difficult to justify construction of sufficient isolation facilities. A fast-track and cost-effective ventilation strategy for the retrofitting of existing general wards could help hospitals deal with patient surges.
This article reviews the effectiveness of a fast-track, makeshift isolation approach employed during the SARS outbreak which involved installing simple window-mounted exhaust fans to create negative-pressure airflow in hospital general wards.
Computational fluid dynamics (CFD) was used to assess by simulation whether the approach adopted meets US Centers for Disease and Control and Prevention requirements for properly constructed isolation wards.
CFD simulation revealed that this makeshift approach could match the ventilation standards of isolation rooms. The approach was certainly effective as no secondary infections were reported in hospitals that used it during SARS.
When there is a shortfall in isolation facilities to accommodate a surge in patients, the proposed ventilation set-up could be quickly and widely implemented by existing general wards.
Url:
DOI: 10.1016/j.jhin.2012.04.013
PubMed: 22738612
PubMed Central: 7114585
Affiliations:
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Yam</name><affiliation wicri:level="1"><nlm:aff id="aff1">City University of Hong Kong, Hong Kong, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>City University of Hong Kong, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Yung, R" sort="Yung, R" uniqKey="Yung R" first="R." last="Yung">R. Yung</name><affiliation wicri:level="1"><nlm:aff id="aff2">Hong Kong Sanatorium and Hospital, Hong Kong, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Hong Kong Sanatorium and Hospital, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Choy, K L" sort="Choy, K L" uniqKey="Choy K" first="K. L." last="Choy">K. L. Choy</name><affiliation wicri:level="1"><nlm:aff id="aff3">Hong Kong Polytechnic University, Hong Kong, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Hong Kong Polytechnic University, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">22738612</idno><idno type="pmc">7114585</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7114585</idno><idno type="RBID">PMC:7114585</idno><idno type="doi">10.1016/j.jhin.2012.04.013</idno><date when="2012">2012</date><idno type="wicri:Area/Pmc/Corpus">001149</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">001149</idno><idno type="wicri:Area/Pmc/Curation">001149</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">001149</idno><idno type="wicri:Area/Pmc/Checkpoint">000A66</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000A66</idno><idno type="wicri:Area/Ncbi/Merge">002526</idno><idno type="wicri:Area/Ncbi/Curation">002526</idno><idno type="wicri:Area/Ncbi/Checkpoint">002526</idno><idno type="wicri:doubleKey">0195-6701:2012:Yuen P:fast:track:ventilation</idno><idno type="wicri:Area/Main/Merge">001D44</idno><idno type="wicri:Area/Main/Curation">001D23</idno><idno type="wicri:Area/Main/Exploration">001D23</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Fast-track ventilation strategy to cater for pandemic patient isolation surges</title><author><name sortKey="Yuen, P L" sort="Yuen, P L" uniqKey="Yuen P" first="P. L." last="Yuen">P. L. Yuen</name><affiliation wicri:level="1"><nlm:aff id="aff1">City University of Hong Kong, Hong Kong, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>City University of Hong Kong, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Yam, R" sort="Yam, R" uniqKey="Yam R" first="R." last="Yam">R. Yam</name><affiliation wicri:level="1"><nlm:aff id="aff1">City University of Hong Kong, Hong Kong, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>City University of Hong Kong, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Yung, R" sort="Yung, R" uniqKey="Yung R" first="R." last="Yung">R. Yung</name><affiliation wicri:level="1"><nlm:aff id="aff2">Hong Kong Sanatorium and Hospital, Hong Kong, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Hong Kong Sanatorium and Hospital, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Choy, K L" sort="Choy, K L" uniqKey="Choy K" first="K. L." last="Choy">K. L. Choy</name><affiliation wicri:level="1"><nlm:aff id="aff3">Hong Kong Polytechnic University, Hong Kong, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Hong Kong Polytechnic University, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author></analytic><series><title level="j">The Journal of Hospital Infection</title><idno type="ISSN">0195-6701</idno><idno type="eISSN">1532-2939</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><title>Summary</title><sec><title>Background</title><p>The shortage of isolation facilities in hospitals was highlighted during the severe acute respiratory syndrome (SARS) pandemic in 2003. Yet, as the nature and scale of future pandemics cannot be adequately estimated, it is difficult to justify construction of sufficient isolation facilities. A fast-track and cost-effective ventilation strategy for the retrofitting of existing general wards could help hospitals deal with patient surges.</p></sec><sec><title>Aim</title><p>This article reviews the effectiveness of a fast-track, makeshift isolation approach employed during the SARS outbreak which involved installing simple window-mounted exhaust fans to create negative-pressure airflow in hospital general wards.</p></sec><sec><title>Methods</title><p>Computational fluid dynamics (CFD) was used to assess by simulation whether the approach adopted meets US Centers for Disease and Control and Prevention requirements for properly constructed isolation wards.</p></sec><sec><title>Findings</title><p>CFD simulation revealed that this makeshift approach could match the ventilation standards of isolation rooms. The approach was certainly effective as no secondary infections were reported in hospitals that used it during SARS.</p></sec><sec><title>Conclusions</title><p>When there is a shortfall in isolation facilities to accommodate a surge in patients, the proposed ventilation set-up could be quickly and widely implemented by existing general wards.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Leung, T F" uniqKey="Leung T">T.F. Leung</name></author><author><name sortKey="Ng, P C" uniqKey="Ng P">P.C. Ng</name></author><author><name sortKey="Cheng, F W T" uniqKey="Cheng F">F.W.T. Cheng</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Mcdonald, L C" uniqKey="Mcdonald L">L.C. McDonald</name></author><author><name sortKey="Simor, A E" uniqKey="Simor A">A.E. Simor</name></author><author><name sortKey="Su, I J" uniqKey="Su I">I.J. 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L." last="Yuen">P. L. Yuen</name></noRegion><name sortKey="Choy, K L" sort="Choy, K L" uniqKey="Choy K" first="K. L." last="Choy">K. L. Choy</name><name sortKey="Yam, R" sort="Yam, R" uniqKey="Yam R" first="R." last="Yam">R. Yam</name><name sortKey="Yung, R" sort="Yung, R" uniqKey="Yung R" first="R." last="Yung">R. Yung</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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