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Vancomycin-resistant Enterococci: Incidence, Antimicrobial Susceptibility, and Resistance Genotypes

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dc.contributor.author이, 위교-
dc.contributor.author정, 민권-
dc.contributor.author곽, 연식-
dc.date.accessioned2012-03-22T06:17:41Z-
dc.date.available2012-03-22T06:17:41Z-
dc.date.issued1998-
dc.identifier.issn1015-6445-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/6276-
dc.description.abstract배경 : Vancomycin 내성 장구균(VRE) 감염은 전세계적으로 증가 추세에 있고 환자에서

환자로의 전파뿐만 아니라 의료인의 손이나 의료기구 및 병원 환경에 의한 전파가 가능하

다. 본 연구의 목적은 임상 검체로부터의 VRE 분리 빈도를 알아보고 분리된 VRE를 대상

으로 항균제 감수성 양상과 내성 유전자형을 규명하고자 하였다.

방법 : 12개월간 임상 검체로부터 분리된 장구균 790주를 대상으로 vancomycin이 6 ㎍

/mL 포함된 brain heart infusion 배지에 접종하여 VRE 여부를 검색하였다. VRE 빈도 분

석은 미생물 통계 프로그램을 이용하였다. 분리 된 VRE 중 23주를 대상으로 vancomycin,

penicillin 및 gentamicin에 대한 최소억제농도(MIG)와 내성유전자형 검사를 시행하였다.

결과 : VRE분리 빈도는 상반기에 1.9%에서 후반기에 7.7%로 증가하였다. 분리된 VRE

23주 중 13균주에 대한 vancomycin, penicillin 및 gentamicin의 MIC는 128 ㎍/mL이었고 내

성유전자형은 vanB형이 13주, vanC1형 7주 및 vanC2형 3주였다.

결론 : 날로 증가하는 VRE 감염의 통제를 위하여 계속적인 감시, 엄격한 감염 관리 및

vancomycin사용의 자제가 요구되며 이러한 목적을 위하여 VRE의 신속하고 정확한 검색과

정기적인 분리 빈도 조사가 필요하다 하겠다.



Background : Infections caused by vancomycin-resistant enterococci (VRE) are

becoming increasingly preyalent throughout the world. VRE can spread by direct

patient-to-patient contact as well as on the hands of personnel and contaminated

environmental surfaces. The purpose of this study was to examine the incidence of VRE

among total enterococci from clinical specimen and investigate the antimicrobial

characteristics and resistance genotypes of isolated VRE.

Methods : A total of 790 enterococcal isolates from patients over a period of 12

months were screened for vancomycin resistance using brain heart infusion agar plates

supplemented with 6 ㎍/mL of vancomycin The incidence of VRE among enterococcai

isolates was calculated from microbiology statistics program. Twenty three isolates of

VRE were tested for minimal inhibitory concentrations (MIC) of vancomycin, penicillin,

and gentamicin and resistance genotypes.

Results : In the first half period, the incidence of VRE was 1.9%, and in the second

half, the incidence increased to 7.7% Thirteen strains were found to be highly resistant

to vancomycin, penicillin and gentamicin (MIC, >128 ㎍/mL). According to the direct

PCR analyses, the frequency of vanB, vanC1, and vanC2 types was 13, 7, and 3 strains,

respectively.

Conclusions : Continued vigilance, strict enforcement of infection control, and

curtailment of vancomycin use seem to be our best approaches to controlling this

increasingly important problem For this purposes, accurate and timely detection of

vancomycin-resistance and periodic investigation for incidence are essential.
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dc.language.isoko-
dc.titleVancomycin-resistant Enterococci: Incidence, Antimicrobial Susceptibility, and Resistance Genotypes-
dc.title.alternativeVancomycin내성 장구균의 분리율, 항균제 감수성 및 내성형에 관한 연구-
dc.typeArticle-
dc.subject.keywordVancomycin-resistant enterococci (VRE)-
dc.subject.keywordIncidence-
dc.subject.keywordvanA-
dc.subject.keywordvanB-
dc.subject.keywordvanB2-
dc.subject.keywordvanC1-
dc.subject.keywordvanC2-
dc.type.localJournal Papers-
dc.citation.titleKorean journal of clinical pathology-
dc.citation.volume18-
dc.citation.number1-
dc.citation.date1998-
dc.citation.startPage51-
dc.citation.endPage56-
dc.identifier.bibliographicCitationKorean journal of clinical pathology, 18(1). : 51-56, 1998-
dc.relation.journalidJ010156445-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Unclassified
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