Histoplasmosis en Pacientes con Enfermedades Hemato-oncológicas

2014 
Se ha observado un incremento de las infecciones causadas por Histoplasma capsulatum, particularmente en pacientes inmunocomprometidos. El objetivo del estudio fue determinar las caracteristicas de la histoplasmosis en pacientes con leucemias y linfomas del Hospital Universitario de Caracas, Clinica Atias y Hospital Miguel Perez Carreno, cuyo diagnostico etiologico fue realizado en la Seccion de Micologia Medica del Instituto de Medicina Tropical, UCV, en los ultimos siete anos. Se diagnosticaron 30 pacientes con histoplasmosis, 25 fueron adultos y 5 pediatricos. El 83% provenia de la Gran Caracas. 2 estaban embarazadas. El 46% tenian leucemia mieloide aguda, 20% leucemia linfoide aguda, 23% linfomas. En 83% de los casos el diagnostico se hizo durante la neutropenia febril y la enfermedad de base no estaba en remision. Los pacientes se encontraban en tratamiento segun la enfermedad de base, de acuerdo con los protocolos establecidos por los servicios de hemato-oncologia de los respectivos centros. Las manifestaciones clinicas mas relevantes fueron: sindrome febril 43,33%, manifestaciones en piel y mucosas 36,66% y meningitis 6,66%. La histoplasmosis es una enfermedad endemica en Venezuela que debe ser investigada a la hora de evaluar pacientes con enfermedades hemato-oncologicas y fiebre. ABSTRACT HISTOPLASMOSIS IN PATIENTS WITH HEMATO-ONCOLOGICAL DISEASES Recently, there has been an increase in the occurrence of infections due to Histoplasma capsulatum, mainly in immunocompromised patients. The aim of this study was to determine the characteristics of histoplasmosis in patients attended at Hospital Universitario de Caracas, Clinica Atias and Hospital Miguel Perez Carreno, with leukemias and lymphomas; diagnosed histoplasmosis performed at the Seccion de Micologia Medica del Instituto de Medicina Tropical, UCV, in the last seven years; 30 patients with histoplasmosis were found; 25 were adults and 5 pediatric; 83% of them came from Gran Caracas, 2 patients were pregnant; 46% of cases suffered from acute myeloid leukemia, 20% acute lymphoid leukemia, and 23% lymphomas. In 83% of cases the diagnosis was made in neutropenic febrile episodes and the disease was not in remission. Patients were treated for their underlying disease, according to protocols established by the different medical centers. Relevant clinical manifestations were: prolonged febrile syndrome 43,33%, skin and mucosal manifestations 36,66% and meningitis 6,66%. Histoplasmosis is an endemic mycosis in Venezuela and it should be taken into account when diagnosing fever causes in hemato-oncologic patients.
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