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首页> 外文期刊>感染症学雑誌 >Genotyping of methicillin-resistant Staphylococcus aureus isolated from inpatients and medical workers in orthopaedics ward
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Genotyping of methicillin-resistant Staphylococcus aureus isolated from inpatients and medical workers in orthopaedics ward

机译：骨科病房从住院病人和医务人员分离的耐甲氧西林金黄色葡萄球菌的基因分型

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Methicillin-resistant Staphylococcus aureus (MRSA) strains were isolated from the inpatients in orthopaedics ward hospitalized from March 1998 to November 2000, hospital environments, medical workers and the inpatients transferred from TCC (Trauma and Critical Care Center). Genotype by pulsed field gel electrophoresis (PFGE) and biotype according to the production of coagulase, enterotoxin and toxic-shock syndrome toxin-1 (TSST-1) were determined for the MRSA strains to analyze the infection source and transmission route of the infection. Out of 673 S. aureus strains isolated from the inpatients, 390 strains (57.5%) were MRSA. In 89 medical workers in orthopaedics ward, MRSA were isolated in 23 (25.8%) and 7 (7.9%) workers from nasal cavity and hand, finger, respectively. In contrast, no MRSA was isolated from hospital environments. Eighty MRSA strains (80%) from the inpatients and 8 MRSA strains (75%) from the medical workers were shown to have same biotype; coagulase II-enterotoxin C-TSST-1 (+) (II-C- (+)). MRSA strains isolated from the inpatients were grouped into 24 types according to PFGE patterns, and types 17 (17 strains), 12 (13 strains), 1 (8 strains), 4 (8 strains) and 13 (6 strains) were dominant among the MRSA strains isolated. It was shown that MRSA strains with the same PFGE genotype were detected at the same time in the different wards. In addition, MRSA strains isolated from medical workers were all PFGE genotypes 1 and 4. MRSA strain isolated from a new inpatient had a different PFGE type from the 24 kinds of genotype. These results suggest that the involvement of the medical workers might be important as infection source and for transmission of MRSA in hospital.
机译：耐甲氧西林金黄色葡萄球菌（MRSA）菌株是从1998年3月至2000年11月住院的骨科病房，医院环境，医务工作者和从TCC（创伤和重症监护中心）转移过来的住院病人中分离出来的。确定了MRSA菌株的脉冲场凝胶电泳（PFGE）基因型和根据凝固酶，肠毒素和毒性休克综合征毒素-1（TSST-1）产生的生物型，以分析感染的来源和传播途径。从住院病人中分离出的673株金黄色葡萄球菌中，有390株（57.5％）是MRSA。在骨科病房的89名医务人员中，分别从鼻腔和手，手指分离出23名（25.8％）和7名（7.9％）工人的MRSA。相反，没有从医院环境中分离出MRSA。住院患者中有80例MRSA菌株（80％）和医务人员中有8例MRSA菌株（75％）具有相同的生物型。凝血酶II-肠毒素C-TSST-1（+）（II-C-（+））。从住院病人中分离出的MRSA菌株按照PFGE模式分为24种，其中以17型（17株），12型（13株），1型（8株），4型（8株）和13型（6株）为主。分离出MRSA菌株。结果表明，在不同病区同时检测到了具有相同PFGE基因型的MRSA菌株。此外，从医务人员中分离出的MRSA菌株均为PFGE基因型1和4。从新住院患者中分离出的MRSA菌株与24种基因型具有不同的PFGE类型。这些结果表明，医务工作者的参与可能作为感染源和MRSA在医院中的传播很重要。

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