Dataset Information

Fatal case of ST8/SCCmecIVl community-associated methicillin-resistant Staphylococcus aureus infection in Japan.

ABSTRACT: Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) with ST8/SCCmecIV threatens human health. However, its pathogenesis remains unclear. ST8 CA-MRSA (CA-MRSA/J) with SCCmecIVl, which carries the large LPXTG-motif-containing putative adhesin gene, spj, has emerged in Japan. We present the first reported case of death from CA-MRSA/J. The patient was a 64-year-old woman with iliopsoas abscesses complicated by septic pulmonary embolism and multiorgan abscesses. Vancomycin, arbekacin, daptomycin and rifampicin were ineffective. CA-MRSA/J was resistant to erythromycin, clindamycin and antiseptics and was invasive in a HEp-2 cell assay, in contrast to skin-derived villous-adherent CA-MRSA/J. This suggests the strongly invasive pathotype of CA-MRSA/J.

SUBMITTER: Ishitobi N

PROVIDER: S-EPMC6141726 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Fatal case of ST8/SCCmecIVl community-associated methicillin-resistant Staphylococcus aureus infection in Japan.

Ishitobi N N Wan T-W TW Khokhlova O E OE Teng L-J LJ Yamamori Y Y Yamamoto T T

New microbes and new infections 20180811

Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) with ST8/SCCmecIV threatens human health. However, its pathogenesis remains unclear. ST8 CA-MRSA (CA-MRSA/J) with SCCmecIVl, which carries the large LPXTG-motif-containing putative adhesin gene, spj, has emerged in Japan. We present the first reported case of death from CA-MRSA/J. The patient was a 64-year-old woman with iliopsoas abscesses complicated by septic pulmonary embolism and multiorga ...[more]

PMID: 30245831

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Project description:Background and objectivesMRSA became a widely recognized cause of mortality worldwide with necessity of its epidemiological pattern study. Typing of MRSA isolates was performed molecularly based on SCCmec type and relation to resistance pattern was investigated.Materials and methodsOut of 200 clinical specimens, S. aureus was detected phenotypically and confirmed as MRSA by PCR in 124 isolates obtained from associated laboratories of different hospitals of Zagazig, during 2018-2019. Antimicrobial resistance pattern was detected and MRSA SCCmec was typed by two methods.ResultsS. aureus rate was high in wounds, sputum, blood, and urine isolates. Antimicrobial resistance rates against cefotaxime, tetracycline, gentamicin, ciprofloxacin, erythromycin, azithromycin, clindamycin, chloramphenicol, sulfamethoxazole-trimethoprim, linezolid and vancomycin were 82.3%, 65.3%, 56.4%, 45.1%, 37.1%, 32.3%, 32.3%, 25%, 7.3%, 2.4% and 0%, respectively. Multiplex-PCR(M-PCR) was able to detect SCCmec element among 57% of isolates classified as SCCmec II (n=40), III (n=21), IVa (n=3), IVd (n=2), V(n=1), and four isolates contain both SCCmec II and SCCmec IV. Traditional typing by PCR for mec and ccr gene complexes was almost concordant with M-PCR. Furthermore, it was able to identify SCCmec types VI, IX, and XIV among 1, 3 and 18 isolates, respectively. No Statistical correlation was established between type of cassette and rate of antimicrobial resistance. Phylogenetic analysis reveals that all ccr types were related to each other and no significant variation in the same ccr type of different SCCmec cassettes.ConclusionMost MRSA isolates were MDR reflecting antimicrobials misuse. Detection of various SCCmec types among MRSA isolates indictae the complexity of MRSA epidemiology and increase chance for gene sharing creating new types. The presented investigation was important in understanding MRSA epidemiology and diversity in Egypt providing advice for improving therapeutic protocols.

Dataset Information

Fatal case of ST8/SCCmecIVl community-associated methicillin-resistant Staphylococcus aureus infection in Japan.

Publications

Fatal case of ST8/SCC<i>mec</i>IVl community-associated methicillin-resistant <i>Staphylococcus aureus</i> infection in Japan.

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