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頁籤選單縮合
題 名 | Species Distribution and Fluconazole Susceptibility of Candida Clinical Isolates in a Medical Center in 2002=2002年一醫學中心念珠菌臨床菌株菌種分佈及抗藥性之分析 |
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作 者 | 王竣令; 張上淳; 薛博仁; 陳宜君; | 書刊名 | 微免與感染雜誌 |
卷 期 | 37:4 2004.08[民93.08] |
頁 次 | 頁236-241 |
分類號 | 414.83 |
關鍵詞 | 念珠菌; 臨床菌株; 抗藥性; Candida; Fluconazole; Microbial drug resistance; Microbial sensitivity tests; |
語 文 | 英文(English) |
英文摘要 | Fluconazole disk-diffusion susceptibility was evaluated in 230 blood isolates and 344 non-blood clinical isolates of Candida spp. Collected in 2002 at National Taiwan University Hospital. Up to 93.5% of blood isolates were susceptible to fluconazole, 3% were susceptible dose-dependent, and 3.5% were resistant. The minimum inhibitory concentrations at which 50% of tested isolates were inhibited (MIC50) of fluconazole against Candida blood isolates were highest for Candida glabrata (5 μg/mL), followed by Candida tropicalis (2.4 μg/mL), Candida albicans (2.4 μg/ mL), and Candida parapsilosis (0.41 μg/mL). C. glabrata had less fluconazole-susceptible strains (76.7%) than C. albicans (98.2%), C. tropicalis (98%) and C. parapsilosis (93.8%) [p< 0.05]. The proportions of fluconazole resistance in the non-blood isolates of C. albicans, C. glabrata and C. parapsilosis were similar to those of the blood isolates. However, the proportions of fluconazole resistance in the non-blood isolates of C. tropicalis surpassed those of the blood isolates (14.7% vs 2%, p<0.05). Comparison of species distribution of Candida blood isolates obtained in 2002 to those in 1981-2000 demonstrated that C. albicans remained the leading pathogen, and the proportion of C. albicans in blood isolates was lowest in 1996 (38%) and did not change significantly thereafter. However, the proportion of C. tropicalis increased from 14% during 1981-1993 to 22-23% during 1996- 2002. Overall, the MIC50, MIC90 and the proportion of Candida blood isolates with fluconazole resistance remained stable during 1994-2002. |
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