Could Histoplasma capsulatum Be Related to Healthcare-Associated Infections?
Por:
Carreto-Binaghi L.E., Damasceno L.S., Pitangui, ND, Fusco-Almeida A.M., MendesGiannini, MJS, Zancopé-Oliveira R.M., Taylor M.L.
Publicada:
1 ene 2015
Resumen:
Healthcare-associated infections (HAI) are described in diverse
settings. The main etiologic agents of HAI are bacteria (85%) and fungi
(13%). Some factors increase the risk for HAI, particularly the use of
medical devices; patients with severe cuts, wounds, and burns; stays in
the intensive care unit, surgery, and hospital reconstruction works.
Several fungal HAI are caused by Candida spp., usually from an
endogenous source; however, cross-transmission via the hands of
healthcare workers or contaminated devices can occur. Although other
medically important fungi, such as Blastomyces dermatitidis,
Paracoccidioides brasiliensis, and Histoplasma capsulatum, have never
been considered nosocomial pathogens, there are some factors that point
out the pros and cons for this possibility. Among these fungi, H.
capsulatum infection has been linked to different medical devices and
surgery implants. The filamentous form of H. capsulatum may be present
in hospital settings, as this fungus adapts to different types of
climates and has great dispersion ability. Although conventional
pathogen identification techniques have never identified H. capsulatum
in the hospital environment, molecular biology procedures could be
useful in this setting. More research on H. capsulatum as a HAI
etiologic agent is needed, since it causes a severe and often fatal
disease in immunocompromised patients.
Filiaciones:
Carreto-Binaghi L.E.:
Univ Nacl Autonoma Mexico, Fac Med, Dept Microbiol Parasitol, Mexico City 04510, DF, Mexico
Damasceno L.S.:
Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz (FIOCRUZ), Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, 21040-360, Brazil
Fusco-Almeida A.M.:
Departamento de Análises Clínicas, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista (UNESP), Rodovia Araraquara-Jaú Km 1, Araraquara, SP, 14801-902, Brazil
Zancopé-Oliveira R.M.:
Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz (FIOCRUZ), Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, 21040-360, Brazil
Taylor M.L.:
Univ Nacl Autonoma Mexico, Fac Med, Dept Microbiol Parasitol, Mexico City 04510, DF, Mexico
Departamento de Microbiología-Parasitología, Facultad de Medicina, Ciudad Universitaria, Avenida Universidad 3000, México, DF, 04510, Mexico
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