Brotes de histoplasmosis registrados en el área andina colombiana

Nelly Ordóñez, Angela Tobón, Myrtha Arango, Angela Tabares, Catalina De Bedout, Beatriz Gómez, Elizabeth Castañeda, Angela Restrepo, .

Resumen

A review of 12 histoplasmosis outbreaks that occurred in the Colombian Andean region, are presented. According to their location, 3 were detected in each of the following states: Tolima, Caldas and Antioquia and 1 each in Cundinamarca, Boyacá and Risaralda. In 9 of the outbreaks it was possible to trace the following activities which led to the infection: visits to bat-inhabited caves, removing debris incide a hollowed tree, demolition of an old house, use of contaminated lime for fertilization, handling chickenmanure fettilised soil and the severe pruning of coffee trees. Histoplasma capsulatum var. capsulatum was isolated from environmental samples in 5 of the 8 outbreaks where it was feasible to obtain material for culture and animal inoculation. It was found that 332 persons had been in contact with the various infectious sources, including the 11 index cases (2 outbreaks had the same index case). All of them were studied by means of immunological tests designed to detect antibodies; based on the findings of reactive tests, al1 the index cases and 140 (42%) of those exposed had antibodies indicative of infection by the fungus. The above cases reveal the importance of histoplasmosis in immunocompetent individuals who, for occupational or recreational reasons, are exposed to infectious aerosols generated when disturbing the natural habitat of H. capsulatum var. capsulatum.

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  • Nelly Ordóñez Instituto Nacional de Salud, Santa Fe de Bogotá
  • Angela Tobón Corporacion para Investigaciones Biológicas. Medellín
  • Myrtha Arango Corporacion para Investigaciones Biológicas. Medellín
  • Angela Tabares Corporacion para Investigaciones Biológicas. Medellín
  • Catalina De Bedout Corporacion para Investigaciones Biológicas. Medellín
  • Beatriz Gómez Corporacion para Investigaciones Biológicas. Medellín
  • Elizabeth Castañeda Instituto Nacional de Salud, Santa Fe de Bogotá
  • Angela Restrepo Corporacion para Investigaciones Biológicas. Medellín
Cómo citar
1.
Ordóñez N, Tobón A, Arango M, Tabares A, De Bedout C, Gómez B, et al. Brotes de histoplasmosis registrados en el área andina colombiana. biomedica [Internet]. 1 de junio de 1997 [citado 28 de marzo de 2024];17(2):105-11. Disponible en: https://revistabiomedica.org/index.php/biomedica/article/view/941
Publicado
1997-06-01
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