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Article: Studying the transmission dynamics of meticillin-resistant Staphylococcus aureus in Hong Kong using spa typing

TitleStudying the transmission dynamics of meticillin-resistant Staphylococcus aureus in Hong Kong using spa typing
Authors
KeywordsMeticillin-resistant Staphylococcus aureus
Nosocomial transmission
Spa type
Transmissibility
Transmission dynamics
Issue Date2011
PublisherWB Saunders Co Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jhin
Citation
Journal Of Hospital Infection, 2011, v. 79 n. 3, p. 206-210 How to Cite?
Abstract
This study investigated the transmission dynamics of meticillin-resistant Staphylococcus aureus (MRSA) in a tertiary referral surgical unit with 300 beds. All adult patients were actively screened for MRSA by culture at hospital admission and twice weekly thereafter during hospitalisation from 1 October to 31 December 2008. The colonisation pressure per 1000 patient-days and the incidence density of nosocomial MRSA transmission per 1000 colonisation-days were calculated for the different spa types of MRSA. In total, 6619 nasal swabs were obtained from 2289 patients. One-hundred and forty-eight (7%) patients had MRSA in nasal swabs at admission screening, of which 68/148 (46%) were residents of elderly care homes. Fifty-two of 2141 (2%) patients had conversion of nasal MRSA carriage status from negative to positive during hospitalisation. Among the 200 patients with MRSA, spa types t1081 and t037 were found in 99 (50%) and 30 (15%) patients, respectively. The colonisation pressure per 1000 patient-days was 40.9 for t0181, 22.2 for t037 and 26.3 for the less common spa types. The incidence densities of nosocomial MRSA transmission per 1000 colonisation-days were significantly higher for t1081 (28.5 vs 4.0, P< 0.01) and t037 (21.5 vs 4.0, P= 0.03) compared with the less common spa types. Proactive screening of MRSA in patients from elderly care homes and targeted isolation of these patients, especially those carrying spa types with high transmissibility, are important for the control of MRSA in hospitals. © 2011 The Healthcare Infection Society.
Persistent Identifierhttp://hdl.handle.net/10722/135524
ISSN
2013 Impact Factor: 2.782
2013 SCImago Journal Rankings: 1.355
ISI Accession Number ID
Funding AgencyGrant Number
Food and Health Bureau of the Hong Kong SAR Government
Funding Information:

The work was supported by the Research Fund for the Control of Infectious Diseases of the Food and Health Bureau of the Hong Kong SAR Government.

References

 

DC FieldValueLanguage
dc.contributor.authorCheng, VCCen_HK
dc.contributor.authorChan, JFWen_HK
dc.contributor.authorLau, EHYen_HK
dc.contributor.authorYam, WCen_HK
dc.contributor.authorHo, SKYen_HK
dc.contributor.authorYau, MCYen_HK
dc.contributor.authorTse, EYFen_HK
dc.contributor.authorWong, ACYen_HK
dc.contributor.authorTai, JWMen_HK
dc.contributor.authorFan, STen_HK
dc.contributor.authorHo, PLen_HK
dc.contributor.authorYuen, KYen_HK
dc.date.accessioned2011-07-27T01:36:30Z-
dc.date.available2011-07-27T01:36:30Z-
dc.date.issued2011en_HK
dc.identifier.citationJournal Of Hospital Infection, 2011, v. 79 n. 3, p. 206-210en_HK
dc.identifier.issn0195-6701en_HK
dc.identifier.urihttp://hdl.handle.net/10722/135524-
dc.description.abstractThis study investigated the transmission dynamics of meticillin-resistant Staphylococcus aureus (MRSA) in a tertiary referral surgical unit with 300 beds. All adult patients were actively screened for MRSA by culture at hospital admission and twice weekly thereafter during hospitalisation from 1 October to 31 December 2008. The colonisation pressure per 1000 patient-days and the incidence density of nosocomial MRSA transmission per 1000 colonisation-days were calculated for the different spa types of MRSA. In total, 6619 nasal swabs were obtained from 2289 patients. One-hundred and forty-eight (7%) patients had MRSA in nasal swabs at admission screening, of which 68/148 (46%) were residents of elderly care homes. Fifty-two of 2141 (2%) patients had conversion of nasal MRSA carriage status from negative to positive during hospitalisation. Among the 200 patients with MRSA, spa types t1081 and t037 were found in 99 (50%) and 30 (15%) patients, respectively. The colonisation pressure per 1000 patient-days was 40.9 for t0181, 22.2 for t037 and 26.3 for the less common spa types. The incidence densities of nosocomial MRSA transmission per 1000 colonisation-days were significantly higher for t1081 (28.5 vs 4.0, P< 0.01) and t037 (21.5 vs 4.0, P= 0.03) compared with the less common spa types. Proactive screening of MRSA in patients from elderly care homes and targeted isolation of these patients, especially those carrying spa types with high transmissibility, are important for the control of MRSA in hospitals. © 2011 The Healthcare Infection Society.en_HK
dc.languageengen_US
dc.publisherWB Saunders Co Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jhinen_HK
dc.relation.ispartofJournal of Hospital Infectionen_HK
dc.subjectMeticillin-resistant Staphylococcus aureusen_HK
dc.subjectNosocomial transmissionen_HK
dc.subjectSpa typeen_HK
dc.subjectTransmissibilityen_HK
dc.subjectTransmission dynamicsen_HK
dc.titleStudying the transmission dynamics of meticillin-resistant Staphylococcus aureus in Hong Kong using spa typingen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0195-6701&volume=79&issue=3&spage=206&epage=210&date=2011&atitle=Studying+the+transmission+dynamics+of+meticillin-resistant+Staphylococcus+aureus+in+Hong+Kong+using+spa+typing-
dc.identifier.emailChan, JFW: jfwchan@hku.hken_HK
dc.identifier.emailLau, EHY: ehylau@hku.hken_HK
dc.identifier.emailYam, WC: wcyam@hkucc.hku.hken_HK
dc.identifier.emailFan, ST: stfan@hku.hken_HK
dc.identifier.emailHo, PL: plho@hkucc.hku.hken_HK
dc.identifier.emailYuen, KY: kyyuen@hkucc.hku.hken_HK
dc.identifier.authorityChan, JFW=rp01736en_HK
dc.identifier.authorityLau, EHY=rp01349en_HK
dc.identifier.authorityYam, WC=rp00313en_HK
dc.identifier.authorityFan, ST=rp00355en_HK
dc.identifier.authorityHo, PL=rp00406en_HK
dc.identifier.authorityYuen, KY=rp00366en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jhin.2011.03.024en_HK
dc.identifier.pmid21641082en_HK
dc.identifier.scopuseid_2-s2.0-80053305859en_HK
dc.identifier.hkuros187495en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80053305859&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume79en_HK
dc.identifier.issue3en_HK
dc.identifier.spage206en_HK
dc.identifier.epage210en_HK
dc.identifier.isiWOS:000296152600005-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridCheng, VCC=38662328400en_HK
dc.identifier.scopusauthoridChan, JFW=24278817900en_HK
dc.identifier.scopusauthoridLau, EHY=7103086074en_HK
dc.identifier.scopusauthoridYam, WC=7004281720en_HK
dc.identifier.scopusauthoridHo, SKY=42261697700en_HK
dc.identifier.scopusauthoridYau, MCY=53664631800en_HK
dc.identifier.scopusauthoridTse, EYF=37065312200en_HK
dc.identifier.scopusauthoridWong, ACY=36921626000en_HK
dc.identifier.scopusauthoridTai, JWM=7101993154en_HK
dc.identifier.scopusauthoridFan, ST=7402678224en_HK
dc.identifier.scopusauthoridHo, PL=7402211363en_HK
dc.identifier.scopusauthoridYuen, KY=36078079100en_HK

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