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- W2055817140 abstract "Les variations de la sensibilité in vitro des levures pathogènes pour l'homme, isolées en milieu hospitalier, vis-à-vis de la 5-fluorocytosine (5-FC) ont été évaluées pendant les sept dernières années dans notre laboratoire. La sensibilité de Candida albicans à la 5-FC s'est avérée remarquablement stable, cette espèce étant assez sensible à l'antifongique (CMI : 0,3 à 0,9 μg/ml). Cependant 7 à 10 % environ de souches testées ne sont pas atteintes in vitro par la 5-FC à la concentration sérique moyenne en posologie habituelle. Pendant 1982 et 1983 les CMI moyennes de C. tropicalis, C. krusei, C. parapsilosis et Torulopsis glabrata ont été respectivement 1,7 μg/ml, 7 μg/ml, 1,2 μg/ml et 1,7 μg/ml, environ. Ces espèces se sont avérées globalement moins sensibles, vis-à-vis de la 5-FC que C. albicans. Un recul plus important semble nécessaire pour se prononcer sur la stabilité de la sensibilité de ces dernières espèces vis-à-vis de l'antifongique. Des considérations sont effectuées sur les facteurs éventuellement concernés dans les variations de la sensibilité des levures à la 5-FC. The variations of in vitro sensitivity of pathogenic yeasts isolated in hospital environment have been evaluated for the past seven years in our laboratory. The sensitivity of Candida albicans to 5-FC has proved remarkably stable : this species being rather sensitive to this anti-fungal (MIC = 0.3 – 0.9 μg/ml). Nevertheless about 7 to 10 % of the tested strains are not affected in vitro by 5-FC at the mean average serum level obtained with the usual dosage. In 1982 and 1983 the mean MICs of C. tropicalis, C. krusei, C. parapsilosis and Torulopsis glabrata were about 1,75 μg/ml, 7 μg/ml, 1,2 μg/ml and 1,7 μg/ml respectively. Those species have proved less sensitive as a whole to 5-FC, than C. albicans. It seems a little more time will be needed before a conclusion about the stability of the sensitivity of the latter species to the anti-fungal can be reached. Different elements possibly involved in the variations of the sensitivity of yeasts to 5-FC are being considered." @default.
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- W2055817140 date "1984-03-01" @default.
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- W2055817140 title "Actiòn de la 5-fluorocytosine in vitro sur les levures pathogènes" @default.
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- W2055817140 doi "https://doi.org/10.1016/s0399-077x(84)80202-4" @default.
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