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SPOROTRICHOSIS: AN UPDATE ON EPIDEMIOLOGY, ETIOPATHOGENESIS, LABORATORY AND CLINICAL THERAPEUTICS
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Universidade do Estado do Rio de Janeiro. Faculdade de Ciências Médicas. Dermatology Department. Rio de Janeiro, RJ, Brazil / Universidade do Estado do Rio de Janeiro. Hospital Universitário Pedro Ernesto. Medical Mycology Laboratory. Dermatology Department. Rio de Janeiro, RJ, Brazil.
Universidade Federal de São Paulo. Department of Microbiology, Immunology and Parasitology. Laboratorial of Emerging Fungal Pathogen. São Paulo, SP, Brazil.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Infectious Dermatology Clinical Research Laboratory. Rio de Janeiro, RJ, Brazil.
Universidade do Estado do Rio de Janeiro. Faculdade de Ciências Médicas. Dermatology Department. Rio de Janeiro, RJ, Brazil / Universidade do Estado do Rio de Janeiro. Hospital Universitário Pedro Ernesto. Medical Mycology Laboratory. Dermatology Department. Rio de Janeiro, RJ, Brazil.
Universidade Federal de São Paulo. Department of Microbiology, Immunology and Parasitology. Laboratorial of Emerging Fungal Pathogen. São Paulo, SP, Brazil.
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Infectious Dermatology Clinical Research Laboratory. Rio de Janeiro, RJ, Brazil.
Universidade do Estado do Rio de Janeiro. Faculdade de Ciências Médicas. Dermatology Department. Rio de Janeiro, RJ, Brazil / Universidade do Estado do Rio de Janeiro. Hospital Universitário Pedro Ernesto. Medical Mycology Laboratory. Dermatology Department. Rio de Janeiro, RJ, Brazil.
Abstract
In the late 90’s there was a change in both the route of transmission and the people at risk for sporotrichosis. This zoonotic cat-man alternative transmission route elicited changes in strategies to control the epidemic. There was a progressive increase in the number of cases involving especially children and the elderly. In addition to becoming hyperendemic, uncommon clinical pictures like immunoreactive clinical presentations or severe systemic cases have emerged. New species were identified and classified through molecular tools using more virulent clinical isolates, like S. brasiliensis, compared to the environmental isolates. Likewise, different species of Sporothrix have been associated with different geographic regions. The serological and molecular techniques are used as an auxiliary tool for the diagnosis and/or for species identification, although the isolation and the identification of Sporothrix spp. in clinical specimen is still the gold standard. Currently sporotrichosis epidemics requires the knowledge of the epidemiological-molecular profile to control the disease and the specific treatment. Itraconazole, potassium iodide, terfinafine, and amphotericin B are the available drugs in Brazil to treat sporotrichosis. The drug of choice, its posology, and treatment duration vary according to the clinical presentation, the Sporothrix species, and host immune status. New treatment choices, including a vaccine, are being developed; nevertheless, more clinical trials are required to confirm its efficacy.
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