[Three months survey of multidrug-resistant Enterobacteriaceae in Japan].
2012
: In 2010, a three months survey of multidrug-resistant Enterobacteriaceae was conducted by Ministry of Health, Labour and Welfare of Japan. A total of 153 isolates were obtained through this survey and we performed PCR using the NDM-1 type, KPC type, IMP-1 type, IMP-2 type and VIM-2 type carbapenemase genes specific primers. Of 153 analyzed isolates, 72 (47.1%) were positive for IMP-1 type bla(IMP), and two isolates from two patients were positive for bla(NDM-1). None of those patients had traveled abroad. Two isolates from a single patient who had traveled and hospitalized in abroad were positive for bla(KPC). 77 (50.3%) isolates were all negative for those five carbapenemase genes. It was shown that IMP-1 type is the most predominant carbapenemase gene among Enterobacteriaceae in Japan.
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