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題 名 | In Vitro Antimicrobial Activity of Levofloxacin Against Streptococcus Pneumoniae=Levofloxacin對肺炎雙球菌之感受性 |
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作 者 | 胡伯賢; 馮長風; 廖旭方; 劉有增; 施智源; 林育蕙; | 書刊名 | 中華醫學雜誌 |
卷 期 | 60:4 1997.10[民86.10] |
頁 次 | 頁191-194 |
分類號 | 414.83 |
關鍵詞 | 肺炎雙球菌; Ciprofloxacin; Enoxacin; Levofloxacin; Norfloxacin; Ofloxacin; Quinolone; Streptococcus pneumoniae; |
語 文 | 英文(English) |
中文摘要 | 背景:對人類而言,肺炎雙球菌感染仍然是重要之致死及致病因素。由多重抗藥性肺炎雙球菌引起的疾病,在全世界正快速的增加中。Fluoroquinolones目前已在臨床廣泛地用以治療各種感染症。我們在此提出臺中榮民總醫院分離出之肺炎雙球菌對5種Fluo oquinolones之敏感性報告。 方法:分析106株肺炎雙球菌對5種quinolones (enoxacin、norfloxacin、ofloxacin、levofloxacin及ciprofloxacin)之最低抑菌濃度(MICs)。所有之最低抑菌濃度均依據標準瓊脂稀釋法測定,使用Muller-Hinton瓊脂加5%綿羊血。 結果:Levofloxacin的MIC□分別為2μg/ml及4μg/ml。其中90.6%的菌株對ofloxacin敏感。Enoxacin及 norfloxacin的MIC□較其他三種抗生素為高。 結論:在本研究中,levofloxacin的抑菌力是ofloxacin的兩倍,ciprofloxacin的四倍,norfloxacin 的16倍,enoxacin的64倍。肺炎雙球菌對這五種quinoloes敏感性不受penicillin感受性之影響。對肺炎雙球菌之感受性,levofloxacin顯然較ofloxacin、ci rofloxacin、norfloxacin及enoxacin為佳。 |
英文摘要 | Background: Infections caused by Streptococcus pneumoniae continue to be a significant cause of mortality and morbidity in humans. Diseases caused by multiresistant pneumococci are increasing rapidly worldwide. The fluoroquinolones have been widely used clinically to treat infectious diseases. The results of a study here on the five fluoroquinolones susceptibilities of S.pneumoniae are reported from the Taichung Veterans General Hospital. Methods: Minimun inhibitory concentrations (MICs) of five quinolones (enoxacin, norfloxacin, ofloxacin, levofloxacin and ciprofloxacin) were determined for 106 strains of S. pneumoniae. All MICs were determined by the agar dilution method utilizing Mueller-Hinton agar supplemented with 5% sheep blood. Results: MICs of levofloxacin was 1 μg/ml, and was unaffected by penicillin- susceptibility. MICs of ofloxacin and that of ciprofloxacin were 2 and 4 μg/ml, respectively, with 90.6% sensitive to ofloxacin. MICs of enoxacin and that of norfloxacin were higher than other compounds. Conclusions: The in vitro activity of levofloxacin is twice that of ofloxacin, 4-fold of ciprofloxacin, 16-fold of norfloxacin, and 64-fold of enoxacin. MICs of these five quinolones were unaffected by penicillin-susceptibility. The antibacterial activity of levofloxacin was better than that of ofloxacin and ciprofloxacin, norfloxacin, or enoxacin against S.pneumoniae. |
本系統中英文摘要資訊取自各篇刊載內容。