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Article: Misidentification of a mucoid strain of Salmonella enterica serotype choleraesuis as Hafnia alvei by the Vitek GNI+ card system

TitleMisidentification of a mucoid strain of Salmonella enterica serotype choleraesuis as Hafnia alvei by the Vitek GNI+ card system
Authors
Issue Date2006
PublisherAmerican Society for Microbiology.
Citation
Journal Of Clinical Microbiology, 2006, v. 44 n. 12, p. 4605-4608 How to Cite?
AbstractNontyphoidal salmonellae are among the most common causes of bacterial gastroenteritis worldwide. They are also notable causes of extraintestinal infections, including bacteremia and vascular infections. Salmonella enterica serotype Choleraesuis is typically associated with invasive infections. We report a patient who had an infected intra-abdominal aortic aneurysm due to an unusually mucoid strain of Salmonella enterica serotype CIioleraesuis. The isolate was erroneously identified as Hafnia alvei by the Vitek GNI+ card system. A blood culture isolate taken from the same patient 9 months earlier was also identified as if. alvei by the Vitek GNI+ card system. Despite an apparent cure with intravenous amoxicillin-clavulanic acid at that time, the Salmonella infection had not been cleared and manifested as a ruptured infected abdominal aortic aneurysm. Repeated passage of the strain yielded nonmucoid colonies, which were correctly identified by the API and PHOENIX systems. The isolates from the aneurysm and the former bacteremic episode were found to be identical using pulsed field gel electrophoresis. The fallibility of automated bacterial identification systems is highlighted. Such errors are especially important for isolates in which in vitro antibiotic susceptibility testing does not correlate with the clinical success of treatment, as illustrated by Salmonella infections. Copyright © 2006, American Society for Microbiology. All Rights Reserved.
Persistent Identifierhttp://hdl.handle.net/10722/78837
ISSN
2015 Impact Factor: 3.631
2015 SCImago Journal Rankings: 2.151
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWang, TKFen_HK
dc.contributor.authorYam, WCen_HK
dc.contributor.authorYuen, KYen_HK
dc.contributor.authorWong, SSYen_HK
dc.date.accessioned2010-09-06T07:47:25Z-
dc.date.available2010-09-06T07:47:25Z-
dc.date.issued2006en_HK
dc.identifier.citationJournal Of Clinical Microbiology, 2006, v. 44 n. 12, p. 4605-4608en_HK
dc.identifier.issn0095-1137en_HK
dc.identifier.urihttp://hdl.handle.net/10722/78837-
dc.description.abstractNontyphoidal salmonellae are among the most common causes of bacterial gastroenteritis worldwide. They are also notable causes of extraintestinal infections, including bacteremia and vascular infections. Salmonella enterica serotype Choleraesuis is typically associated with invasive infections. We report a patient who had an infected intra-abdominal aortic aneurysm due to an unusually mucoid strain of Salmonella enterica serotype CIioleraesuis. The isolate was erroneously identified as Hafnia alvei by the Vitek GNI+ card system. A blood culture isolate taken from the same patient 9 months earlier was also identified as if. alvei by the Vitek GNI+ card system. Despite an apparent cure with intravenous amoxicillin-clavulanic acid at that time, the Salmonella infection had not been cleared and manifested as a ruptured infected abdominal aortic aneurysm. Repeated passage of the strain yielded nonmucoid colonies, which were correctly identified by the API and PHOENIX systems. The isolates from the aneurysm and the former bacteremic episode were found to be identical using pulsed field gel electrophoresis. The fallibility of automated bacterial identification systems is highlighted. Such errors are especially important for isolates in which in vitro antibiotic susceptibility testing does not correlate with the clinical success of treatment, as illustrated by Salmonella infections. Copyright © 2006, American Society for Microbiology. All Rights Reserved.en_HK
dc.languageengen_HK
dc.publisherAmerican Society for Microbiology.en_HK
dc.relation.ispartofJournal of Clinical Microbiologyen_HK
dc.rightsJournal of Clinical Microbiology. Copyright © American Society for Microbiology.en_HK
dc.subject.meshAgeden_HK
dc.subject.meshAmoxicillin-Potassium Clavulanate Combination - therapeutic useen_HK
dc.subject.meshAortic Aneurysm, Abdominal - microbiologyen_HK
dc.subject.meshBacteriological Techniquesen_HK
dc.subject.meshBlood - microbiologyen_HK
dc.subject.meshDNA Fingerprintingen_HK
dc.subject.meshDNA, Bacterial - geneticsen_HK
dc.subject.meshDiagnostic Errorsen_HK
dc.subject.meshElectrophoresis, Gel, Pulsed-Fielden_HK
dc.subject.meshEnterobacteriaceae Infections - diagnosis - drug therapy - microbiologyen_HK
dc.subject.meshHafnia alvei - classification - isolation & purificationen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMaleen_HK
dc.subject.meshSalmonella Infections - diagnosis - drug therapy - microbiologyen_HK
dc.subject.meshSalmonella enterica - classification - isolation & purification - physiologyen_HK
dc.titleMisidentification of a mucoid strain of Salmonella enterica serotype choleraesuis as Hafnia alvei by the Vitek GNI+ card systemen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0095-1137&volume=44&spage=4605&epage=4608&date=2006&atitle=Misidentification+of+a+mucoid+strain+of+Salmonella+enterica+serotype+choleraesuis+as+Hafnia+alvei+by+the+Vitek+GNI++card+system.en_HK
dc.identifier.emailYam, WC:wcyam@hkucc.hku.hken_HK
dc.identifier.emailYuen, KY:kyyuen@hkucc.hku.hken_HK
dc.identifier.emailWong, SSY:samsonsy@hkucc.hku.hken_HK
dc.identifier.authorityYam, WC=rp00313en_HK
dc.identifier.authorityYuen, KY=rp00366en_HK
dc.identifier.authorityWong, SSY=rp00395en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1128/JCM.01488-06en_HK
dc.identifier.pmid17050821-
dc.identifier.scopuseid_2-s2.0-33845584067en_HK
dc.identifier.hkuros135279en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33845584067&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume44en_HK
dc.identifier.issue12en_HK
dc.identifier.spage4605en_HK
dc.identifier.epage4608en_HK
dc.identifier.isiWOS:000242876300056-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridWang, TKF=7405566621en_HK
dc.identifier.scopusauthoridYam, WC=7004281720en_HK
dc.identifier.scopusauthoridYuen, KY=36078079100en_HK
dc.identifier.scopusauthoridWong, SSY=13310021400en_HK

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