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INVESTIGAÇÃO DE SURTO DE HISTOPLASMOSE PULMONAR AGUDA ENTRE BOMBEIROS EM BRAZLÂNDIA, DISTRITO FEDERAL, 2017
Alternative title
Investigation of acute histoplasmosis outbreak among firefighters, Distrito Federal, 2017Author
Affilliation
Abstract in Portuguese
Objetivos: Investigar o surto de histoplasmose em bombeiros no Distrito federal/DF, ocorrido em junho de 2017. Métodos: Realizou-se um estudo
de coorte por meio das entrevistas realizadas com os bombeiros mediante um questionário semiestruturado. Considerou-se infectado o bombeiro que
apresentou tomografia de tórax sugestiva de histoplasmose ou reagente nos testes de imunodifusão e/ou Western blot. Coletou-se amostra ambiental e
realizou-se Nested PCR específico para Histoplasma capsulatum. Resultados: Entre 35 bombeiros, 94,3% eram homens; com a mediana de idade de 37
(24-45) anos, 28 foram classificados como infectados. A média de permanência dentro da caverna foi 25 minutos. O fator de risco associado à infecção foi o
ato de entrar na caverna (RR=3,86; RA=71,6; p<0,02). Entre 14 amostras ambientais, 50% foram positivas para H. capsulatum. Conclusão: Confirmou-se o
surto de histoplasmose de bombeiros em Brazlândia-DF, e foram tomadas ações como a interdição da caverna e o tratamento dos bombeiros.
Abstract
Objectives: To nvestigate the outbreak of histoplasmosis in firefighters in Federal District/DF, which occurred in June 2017. Methods: A cohort study was
conducted through interviews with firefighters by means of a semi-structured questionnaire. Firefighters who presented chest tomography suggestive
of histoplasmosis or reacted to immunodiffusion and/or Western blot tests were considered infected. Environmental samples were collected and Nested
PCR specific for Histoplasma capsulatum was performed. Results: Among 35 firefighters, 94.3% were men; with a median age of 37 (24-45) years, 28 were
classified as infected. The average length of stay inside the cave was 25 minutes. The risk factor associated with infection was the act of entering the cave
(RR = 3.86, RA = 71.6, p <0.02). Among 14 environmental samples, 50% were positive for H. capsulatum. Conclusion: The outbreak of histoplasmosis in
firefighters in Brazlândia-DF was confirmed, and actions were taken such as banning the cave and treating the firefighters.
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