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1.
Braz. j. infect. dis ; 6(3): 118-123, Jun. 2002.
Artículo en Inglés | LILACS | ID: lil-332324

RESUMEN

The increasing magnitude of antifungal resistance as well as the advent of new antifungal drugs has generated a renewed interest in fungal susceptibility testing. We used a previously described disk diffusion method to evaluate the susceptibility profile of a large collection of recent clinical Candida spp. isolates against fluconazole. A total of 1,784 yeast isolates were tested, including the following species: Candida albicans (1,036), C. tropicalis (279), C. parapsilosis (202), C. glabrata (119), C. guilliermondii (90), C. krusei (32), C. lusitaniae (7), Candida spp. (14) and other yeasts (5). Susceptibility ranking to fluconazole obtained with all yeasts tested was: C. parapsilosis congruent with C. tropicalis congruent with C. guilliermondii > C. glabrata > C. krusei. The majority (94) of all yeast isolates tested were susceptible to fluconazole. Isolates of C. glabrata and C. krusei exhibited the highest rate of DDS/resistance among all isolates tested but they represented only 9 of all yeasts routinely sent to our lab. Careful periodical surveillance is needed in order to identify any changes in the susceptibility patterns of fluconazole with the increased use of this antifungal agent in Brazilian tertiary care hospitals.


Asunto(s)
Humanos , Antifúngicos/farmacología , Candida , Candidiasis/microbiología , Fluconazol , Pruebas de Sensibilidad Microbiana , Farmacorresistencia Fúngica , Brasil , Candida , Difusión
2.
Braz. j. infect. dis ; 5(2): 60-66, Apr. 2001. tab, ilus
Artículo en Inglés | LILACS | ID: lil-301185

RESUMEN

This study was a non-comparative multicenter clinical trial to evaluate the efficacy and tolerability of itraconazole oral solution 200 mg/day (100 mg twice a day in the fasting state) for the treatment of oropharyngeal candidiasis in AIDS patients. We included 50 patients who were treated and followed for up 3 weeks after ending therapy in the analysis. Mycological cures at the end of therapy occurred in 20/50 patient (40 percent), but colonization by Candida sp. was recorded in 42/50 (84 percent) by the end of follow-up. A high rate of clinical response was observed in 46/50(92 percent), and the response was sustained for up to 21 days after stopping therapy in 24/46 patients (52 percent). Clinical relapse were documented among 22 patients, but all causative fungal organisms associated with a relapse were susceptible to itraconazole. There were many patients with persistence or recorrence of Candida, but without mucositis. Relapse of Candida mucositis was significantly related low levels of CD4 lymphocytes exhibited by symptomatic patients. The drug was well tolerated bt all but 1 patient. We conclude that itraconazole oral solution (100 mg bid for 7-14 days) is a well tolerated and effective treatment for suppressing the symptoms of oropharyngeal candidiasis in AIDS patients. Patients with severe immunosupression may relapse and require frequent cycles of treatment or longterm supressive therapy.


Asunto(s)
Humanos , Masculino , Femenino , Adulto , Persona de Mediana Edad , Candida , Candidiasis Bucal/epidemiología , Candidiasis Bucal/tratamiento farmacológico , Itraconazol , Síndrome de Inmunodeficiencia Adquirida/complicaciones , Administración Oral , Estudios Multicéntricos como Asunto
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