FUNGAL BIODIVERSITY OF AIR IN HOSPITALS IN THE CITY OF FORTALEZA, CEARÁ, BRAZIL
Objectives: To monitor the environment in specific areas of three tertiary hospitals in Fortaleza - CE, seeking to report the presence of potentially pathogenic fungi for patients and staff, contributing to a better risk assessment in these hospitals. Methods: In the period from December, 2005 to No...
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Veröffentlicht in: | Revista brasileira em promoção da saúde = Brazilian journal in health promotion 2015-08, Vol.25 (2) |
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Zusammenfassung: | Objectives: To monitor the environment in specific areas of three
tertiary hospitals in Fortaleza - CE, seeking to report the presence of
potentially pathogenic fungi for patients and staff, contributing to a
better risk assessment in these hospitals. Methods: In the period from
December, 2005 to November, 2006, air samples from three public
hospitals were collected monthly, which resulted in 180 air samples
originated in 15 hospitals. The biological specimens were collected
using the passive method of sedimentation, with exposure of Petri
dishes containing Sabouraud agar supplemented with antibiotic. The
dishes were incubated for 10 days (28°C) and all fungal colonies
developed were subsequently identified. Results: 10,608 colonies were
isolated, belonging to 16 genera, the most common being Aspergillus ,
Penicillium , Candida , Curvularia and Trichoderma . There were no
statistically significant relationships between the total number of
colonies and the characteristics of each environment studied, except
for three of those. Conclusion: The difference in fungal concentrations
in the air of these hospitals is possibly more related to instability
of human activities, such as overpopulated settings and construction
works, than to climatic variations observed in the period.
Objetivos: Monitorar o ambiente em áreas específicas de
três hospitais terciários da cidade de Fortaleza - CE,
buscando relatar a presença de fungos potencialmente
patogênicos para pacientes e funcionários, contribuindo para
uma melhor avaliação de riscos nesses hospitais.
Métodos: No período de dezembro/2005 a novembro/2006, foram
realizadas coletas mensais de amostras do ar de três hospitais
públicos, que resultaram em 180 amostras de ar oriundas de 15
ambientes hospitalares. Os espécimes biológicos foram
coletados através do método da sedimentação
passiva, com exposições de placas de Petri, contendo
ágar Sabouraud, suplementado com antibiótico. As placas foram
incubadas por 10 dias (28°C), com a posterior
identificação de todas as colônias fúngicas
desenvolvidas. Resultados: Isolaram-se 10.608 colônias,
pertencentes a 16 gêneros, sendo os mais frequentes Aspergillus ,
Penicillium , Candida , Curvularia e Trichoderma . Não se
observaram relações estatisticamente significativas entre o
número total de colônias e as características de cada
ambiente analisado, com exceção de três ambientes.
Conclusão: A diferença na concentração fúngica
do ar desses hospitais possivelmente está mais relacio |
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ISSN: | 1806-1222 |