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Inicio Medicina Clínica Candiduria en pacientes con sonda uretral ingresados en una unidad de cuidados i...
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Vol. 118. Issue 15.
Pages 580-582 (January 2002)
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Vol. 118. Issue 15.
Pages 580-582 (January 2002)
Candiduria en pacientes con sonda uretral ingresados en una unidad de cuidados intensivos. Etiología y sensibilidad in vitro al fluconazol
Candiduria in patients with uretral catheter admitted in Intensive Care Unit. Etiology and in vitro susceptibility to fluconazole
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Yolanda Morera
Corresponding author
ymorera@imim.es

Correspondencia: GREMEC. Institut Municipal d'Investigació Mèdica (IMIM). Dr. Aiguader, 80. 08003 Barcelona.
, Josep Maria Torres-Rodríguez, Ana Granadero
Grup de Recerca en Micologia Experimental i Clínica (GREMEC). IMIM/IMAS. Universitat Autònoma de Barcelona.
Iñaki Catalána, Zoran Josica, Francisco Álvarez-Lermaa
a Servicio de Medicina Intensiva. Hospital del Mar. Barcelona.
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Article information
Fundamento

En enfermos graves con sonda vesicalel aislamiento de Candida spp. en orina se consideraun signo de mal pronostico. Existen controversiassobre la etiologia y el tratamiento antifungico.

Pacientes y metodo

En un estudio prospectivo de560 ingresados en la unidad de medicina intensivase determino la prevalencia de las especies de Candida en orina y su sensibilidad in vitro al fluconazolpor medio del E-test.

Resultados

En 60 pacientes (11%) se aislo Candida después de cambiar la sonda. El 56,7% correspondio a Candida albicans, el 21,7% a C. glabrata, el 15% a C. tropicalis, el 5% a C. parapsilosis y el 1,7% a C. kefyr. Solamente un aislado de C. albicans y otro de C. glabrata presentaron una concentracion inhibitoriaminima (CIM) de 64 µg/ml o mayor, considerandoseresistentes. El 91% presento una CIM de 0,125a 8 µg/ml. La CIM90 de C. albicans y C. tropicalis resulto de 1 µg/ml, mientras que para C. glabrata fue de 16 µg/ml.

Conclusiones

C. albicans sigue siendo la especiemas frecuente en orina; no obstante, en mas del40% de los casos se aislan otras especie, principalmente C. glabrata y C. tropicalis. La gran mayoriade los aislados de Candida spp. es sensible in vitro al fluconazol.

Palabras clave:
Candida spp
Candiduria
Sensibilidad in vitro
Fluconazol
E-test
Background

The isolation of Candida species inurine in patients admitted in intensive care unitswho bear a vesical catheter is considered as a signof bad prognosis. The etiological mechanisms andthe appropriateness of administering an antifungaltreatment in these patients is controversial.

Patients and method

The prevalence of Candida species in urine and the in vitro susceptibility tofluconazole by means of the E-test were determinedin 560 patients admitted in an intensive careunit.

Results

In 60 patients (11%) Candida specieswas isolated in urine after catheter replacement.56.7% of isolates corresponded to C. albicans, 21.7% to C. glabrata, 15% to C. tropicalis, 5% to C. parapsilosis and 1.7% to C. kefyr. Only two isolates (C. albicans and C. glabrata) had a minimal inhibitory concentration (MIC). 64 µg/ml (whichwas regarded as resistant) and 91% of strains hada MIC between 0.125 and 8 µg/ml. MIC 90% for C. albicans and C. tropicalis was 1 µg/ml, while itwas 16 µg/ml for C. glabrata.

Conclusions

C. albicans is the most frequent speciesisolated in urine in these patients. However,over 40% of cases are found to have non-albicansspecies, especially C. glabrata and C. tropicalis. The majority of Candida isolates (91%) are sensitivein vitro to fluconazole.

Key words:
Candida spp
Candiduria
In vitro susceptibility
Fluconazole
E-test

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