Coincidental outbreak of methicillin-resistant Staphylococcus aureus in a hematopoietic stem cell transplantation unit

Osamu Imataki, Atsushi Makimoto, Shingo Kato, Takahiro Bannai, Naomi Numa, Yoko Nukui, Yuji Morisawa, Toshihiko Ishida, Masahiro Kami, Takahiro Fukuda, Shin Ichiro Mori, Ryuji Tanosaki, Yoichi Takaue

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Background: Methicillin-resistant Staphylococcus aureus (MRSA) is one of the most common nosocomial pathogens among hospital-acquired infections, and immunocompromised patients are highly susceptive to infection. The molecular typing of isolated strains is a common method for tracing an outbreak of MRSA, but experience with this approach is still limited in the hematopoietic stem cell transplantation (HSCT) ward. Methods: We experienced 6 cases of MRSA infection/colonization in our 26-bed HSCT ward during a 4-week period. This unusual outbreak strongly suggested that the same MRSA strain was involved despite strict isolation and aseptic patient care. Clarification of the transmission pattern was critical, and we applied pulsed-field gel electrophoresis (PFGE) and amplified fragment length polymorphism (AFLP) assays for evaluation. Results and conclusion: In four of the six cases, the pattern of bands examined by PFGE and AFLP analyses supported the idea that direct person-to-person transmission was very unlikely and the outbreak was coincidental. This experience highlights the clinical value of molecular typing methods for the clinical epidemiological assessment of MRSA outbreak.

本文言語English
ページ(範囲)664-669
ページ数6
ジャーナルAmerican journal of hematology
81
9
DOI
出版ステータスPublished - 2006 9
外部発表はい

ASJC Scopus subject areas

  • Hematology

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