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      Fungemia por Trichosporon beigelii: reporte del primer caso en Costa Rica

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          Abstract

          Se reporta el primer caso en Costa Rica, de fungemia por Trichosporon beigelii, en un niño de 7 años, con leucemia mielocítica aguda y que ingresa a la Unidad de Cuidado Intensivo del Hospital Nacional de Niños "Dr. Carlos Sáenz Herrera" con sangrado gastrointestinal y cuadro febril. De los catéteres y de tres hemocultivos se aisla Trichosporon beigelii resistente a Anfotericina B. Tiene evolución rápida y fallece.

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          Tratado de Micología Médica

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            Fungal infections complicating acute leukemia.

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              Trichosporon beigelii, an emerging pathogen resistant to amphotericin B.

              Trichosporon beigelii caused fatal disseminated infections that were resistant to amphotericin B in two granulocytopenic patients. In vitro susceptibility studies demonstrated that both index strains of T. beigelii were inhibited but not killed by amphotericin B at achievable concentrations in serum. The minimum lethal concentration for both isolates was greater than or equal to 18 micrograms/ml. Five of seven other isolates were found to have a similar pattern of amphotericin B resistance. The fact that the minimum lethal concentration of T. beigelii was many times greater than its MIC was consistent with a resistance pattern of tolerance. We concluded that T. beigelii may be resistant in vitro to amphotericin B and that this in vitro resistance was correlated with refractory, disseminated trichosporonosis in granulocytopenic patients. T. beigelii should be included in the expanding list of amphotericin B-resistant fungi.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rmhnn
                Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera
                Rev. méd. Hosp. Nac. Niños (Costa Rica)
                Editorial Nacional de Salud y Seguridad Social (San José )
                1017-8546
                1995
                : 30
                : 1-2
                : 27-30
                Affiliations
                [1 ] Hospital Nacional de Niños Dr. Carlos Sáenz Herrera Costa Rica
                Article
                S1017-85461995000100004
                9f040de5-1157-4c87-8070-5cf4313e6f62

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Costa Rica

                Self URI (journal page): http://www.scielo.sa.cr/scielo.php?script=sci_serial&pid=1017-8546&lng=en

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