Clinical and microbiological analysis of beta hemolytic streptococci during 2006-2010 at Nagoya City University Hospital
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概要
- 論文の詳細を見る
Beta hemolytic streptococci (BHS) cause various infectious diseases from acute pharyngitis to streptococcal toxic shock syndrome. Though BHS infection has been increasing recently, the comprehensible investigation of the BHS isolated in tertiary hospital has not been performed. In this study, we investigated 918 BHS isolated in Nagoya City University Hospital during 2006-2010. The numbers of group A streptococcus (GAS), group B streptococcus (GBS), group C streptococcus (GCS), and group G streptococcus (GGS) isolates were 84, 715, 36, and 83, respectively. Only the number of GBS isolated from female was more than that from male. Sixty-one percent of GAS strains were isolated from under the 30-year-old patients. GBS were isolated most from age 30-39. Half of GGS were from over age 60. The number of the BHS isolates from outpatients was larger than that from inpatients. The clinical department from which BHS was isolated most was dermatology for GAS and GGS, obstetrics and gynecology for GBS, respiratory medicine for GCS, respectively. Ninety-three percent of GAS were identified as Streptococcus pyogenes, 59% of GCS were Streptococcus anginosus, and 78% of the GGS were Streptococcus dysgalactiae by the biochemical method. BHS in this study were largely susceptible to beta lactam antibiotics although 1-3% of GBS and GGS were resistant to each beta lactam antibiotics examined. In GAS and GGS, erythromycin and tetracycline resistant rates were approximately 30% and 50%, respectively. Non susceptible rate of levofloxacin ranged from 13-26% in BHS except GGS. We must pay attention to the antimicrobial susceptibility of BHS hereafter.
- 2011-03-01
著者
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脇本 幸夫
Nagoya City University Hospital
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長谷川 忠男
名市大院・医・細菌
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南 正明
名大院・医・分子病原細菌学
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長谷川 忠男
名市大・医・感染防御・制御
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市川 麻里子
Department of Bacteriology, Nagoya City University Graduate School of Medical Sciences
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南 正明
Department of Bacteriology, Nagoya City University Graduate School of Medical Sciences
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大橋 実
Department of Clinical Laboratory Medicine, Nagoya City University Graduate School of Medical Scienc
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脇本 幸夫
Department of Clinical Laboratory Medicine, Nagoya City University Graduate School of Medical Scienc
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松井 秀之
Department of Bacteriology, Nagoya City University Graduate School of Medical Sciences
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長谷川 忠男
Department of Bacteriology, Nagoya City University Graduate School of Medical Sciences
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長谷川 忠男
Department Of Bacteriology Nagoya City University Graduate School Of Medical Sciences
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脇本 幸夫
Department Of Clinical Laboratory Medicine Nagoya City University Graduate School Of Medical Science
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南 正明
Department Of Bacteriology Nagoya City University Graduate School Of Medical Sciences
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大橋 実
Department Of Clinical Laboratory Medicine Nagoya City University Graduate School Of Medical Science
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松井 秀之
Department Of Bacteriology Nagoya City University Graduate School Of Medical Sciences
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市川 麻里子
Department Of Bacteriology Nagoya City University Graduate School Of Medical Sciences
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長谷川 忠男
Department of Agricultural Chemsitry, Tokyo University of Agriculture
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