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临床分离白色念珠菌的生物膜形成与耐药关系研究 被引量:1

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摘要 目的分析临床标本分离的白色念珠菌生物膜形成情况,探讨其与耐药的关系,为临床诊疗白色念殊菌感染提供可靠依据。方法用黑马鉴定板和全自动细菌鉴定仪鉴别白色念珠菌120株,电镜下观察白色念珠菌生物膜形成,用M—H琼脂培养基进行药敏试验。结果白色念珠菌生物膜的阳性率为75.0%(90/120)。白色念珠菌有生物膜者对抗真菌伊曲康唑、氟康唑、酮康唑、伏立康唑、制霉菌素和两性霉素B药物的耐药率分别为83.3%,77.8%,61.1%,84.4%,44.4%和38.9%。而无生物膜者对抗真菌药物的耐药率分别为33.3%,26.7%,20.0%,36.7%,16.7%和10.0%。白色念珠菌有生物膜者对抗真菌药物的耐药率明显高于无生物膜者,两者比较差异有统计学意义(χ^2=7.41~27.23,P均〈0.01)。有生物膜的白色念珠菌对制霉菌素和两性霉素的耐药率均明显低于其它唑类抗真菌药物(χ^2=8.21~26.37,7.49~26.87,P均〈0.01)。对酮康唑的耐药率明显低于其它唑类(χ^2=3.48~5.24,P均〈0.05)。结论白色念珠菌的生物膜形成率较高,致使其对抗真菌药物的耐药性增加,可首选两性霉素B治疗。
出处 《现代检验医学杂志》 CAS 2014年第3期134-135,共2页 Journal of Modern Laboratory Medicine
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