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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：骨灰蛋白抗金黄色葡萄球菌的基因分型从住院患者和矫形病房医疗工作者中分离出来

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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）菌株从住院从1998年3月至2000年11月在骨科病房住院病人，医院环境，医疗工作者和TCC（创伤与危重监护中心）转移住院病​​人隔离。根据生产凝固酶，肠毒素和中毒性休克综合征毒素-1（TSST-1）的基因型通过脉冲场凝胶电泳（PFGE）和生物型测定为MRSA菌株来分析感染的感染源和传输路由。出的从分离住院患者673个金黄色葡萄球菌菌株，390株（57.5％）是MRSA。在骨科病房89个医务工作者，MRSA是在23（25.8％）和7（7.9％）工人鼻腔和手，手指，分别隔离。相比之下，没有MRSA从医院环境隔离。从住院患者八十MRSA菌株（80％）和来自医务工作者8个MRSA菌株（75％）显示出具有相同生物型;凝固酶II-肠毒素C-TSST-1（+）（II-C-（+））。从住院患者分离MRSA菌株根据PFGE图案分为24种，和类型17（17株），12（13株），1（8株），4（8株）和13（6株）中占主导地位的的MRSA菌株中分离。结果表明，在不同的病房同时检测MRSA菌株具有相同的PFGE基因型。此外，MRSA菌株由医务工作者分离是从一个新的住院分离所有PFGE基因型1和4 MRSA菌株具有从24种基因型的不同PFGE类型。这些结果表明，医务人员的参与可能是感染源，并在医院MRSA的传播非常重要。

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