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      Brazilian guidelines for the clinical management of paracoccidioidomycosis

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          Abstract

          Abstract Paracoccidioidomycosis is a systemic fungal disease occurring in Latin America that is associated with rural environments and agricultural activities. However, the incidence and prevalence of paracoccidiodomycosis is underestimated because of the lack of compulsory notification. If paracoccidiodomycosis is not diagnosed and treated early and adequately, the endemic fungal infection could result in serious sequelae. While the Paracoccidioides brasiliensis ( P. brasiliensis ) complex has been known to be the causal agent of paracoccidiodomycosis, a new species, Paracoccidioides lutzii ( P. lutzii ), has been reported in Rondônia, where the disease has reached epidemic levels, and in the Central West and Pará. Accurate diagnoses and availability of antigens that are reactive with the patients’ sera remain significant challenges. Therefore, the present guidelines aims to update the first Brazilian consensus on paracoccidioidomycosis by providing evidence-based recommendations for bedside patient management. This consensus summarizes etiological, ecoepidemiological, molecular epidemiological, and immunopathological data, with emphasis on clinical, microbiological, and serological diagnosis and management of clinical forms and sequelae, as well as in patients with comorbidities and immunosuppression. The consensus also includes discussion of outpatient treatments, severe disease forms, disease prevalence among special populations and resource-poor settings, a brief review of prevention and control measures, current challenges and recommendations.

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          Most cited references109

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          Paracoccidioides lutzii sp. nov.: biological and clinical implications.

          Paracoccidioides lutzii, formerly known as 'Pb01-like' strains in the P. brasiliensis complex, is proposed as a new species based on phylogenetic and comparative genomics data, recombination analysis, and morphological characteristics. Conidia of P. lutzii are elongated, different from those of P. brasiliensis. P. lutzii occurs in the central and northern regions of Brazil. Studies comparing P. brasiliensis and P. lutzii may have significant clinical consequences for the diagnosis and treatment of paracoccidioidomycosis.
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            Isavuconazole Treatment of Cryptococcosis and Dimorphic Mycoses

            Isavuconazole (ISAV) is a novel water-soluble triazole with potential advantages over existing agents. In a cohort of patients with cryptococcosis and endemic mycoses ISAV was well tolerated, exhibited a favorable safety profile, and demonstrated clinical activity against these endemic fungi.
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              Genus Paracoccidioides: Species Recognition and Biogeographic Aspects

              Background Paracoccidioidomycosis is a systemic mycosis caused by Paracoccidioides brasiliensis (species S1, PS2, PS3), and Paracoccidioides lutzii. This work aimed to differentiate species within the genus Paracoccidioides, without applying multilocus sequencing, as well as to obtain knowledge of the possible speciation processes. Methodology/Principal Findings Single nucleotide polymorphism analysis on GP43, ARF and PRP8 intein genes successfully distinguished isolates into four different species. Morphological evaluation indicated that elongated conidia were observed exclusively in P. lutzii isolates, while all other species (S1, PS2 and PS3) were indistinguishable. To evaluate the biogeographic events that led to the current geographic distribution of Paracoccidioides species and their sister species, Nested Clade and Likelihood Analysis of Geographic Range Evolution (LAGRANGE) analyses were applied. The radiation of Paracoccidioides started in northwest South America, around 11–32 million years ago, as calculated on the basis of ARF substitution rate, in the BEAST program. Vicariance was responsible for the divergence among S1, PS2 and P. lutzii and a recent dispersal generated the PS3 species, restricted to Colombia. Taking into account the ancestral areas revealed by the LAGRANGE analysis and the major geographic distribution of L. loboi in the Amazon basin, a region strongly affected by the Andes uplift and marine incursions in the Cenozoic era, we also speculate about the effect of these geological events on the vicariance between Paracoccidioides and L. loboi. Conclusions/Significance The use of at least 3 SNPs, but not morphological criteria, as markers allows us to distinguish among the four cryptic species of the genus Paracoccidioides. The work also presents a biogeographic study speculating on how these species might have diverged in South America, thus contributing to elucidating evolutionary aspects of the genus Paracoccidioides.
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                Author and article information

                Contributors
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                Journal
                rsbmt
                Revista da Sociedade Brasileira de Medicina Tropical
                Rev. Soc. Bras. Med. Trop.
                Sociedade Brasileira de Medicina Tropical - SBMT (Uberaba, MG, Brazil )
                0037-8682
                1678-9849
                July 2017
                : 50
                : 5
                : 715-740
                Affiliations
                [14] Campinas São Paulo orgnameUniversidade Estadual de Campinas orgdiv1Faculdade de Ciências Médicas orgdiv2Departamento de Pediatria Brazil
                [18] São Paulo orgnameUniversidade Federal de São Paulo orgdiv1Departamento de Microbiologia e Imunologia Brazil
                [6] Campo Grande Mato Grosso do Sul orgnameUniversidade Federal de Mato Grosso do Sul orgdiv1Faculdade de Medicina Brazil
                [19] Campinas São Paulo orgnameUniversidade Estadual de Campinas orgdiv1Faculdade Ciências Médicas orgdiv2Departamento de Clínica Médica Brazil
                [13] Uberaba Minas Gerais orgnameUniversidade Federal do Triângulo Mineiro orgdiv1Faculdade de Medicina orgdiv2Departamento de Clínica Médica Brazil
                [3] São Paulo orgnameUniversidade Federal de São Paulo orgdiv1Escola Paulista de Medicina orgdiv2Departamento de Medicina Brazil
                [7] São Paulo São Paulo orgnameUniversidade de São Paulo orgdiv1Faculdade de Medicina orgdiv2Divisão de Pneumologia Brazil
                [4] Curitiba Paraná orgnameUniversidade Federal do Paraná orgdiv1Departamento de Saúde Comunitária Brazil
                [1] São Paulo São Paulo orgnameUniversidade de São Paulo orgdiv1Faculdade de Medicina orgdiv2Departamento de Moléstias Infecciosas e Parasitárias Brazil
                [10] São Paulo São Paulo orgnameUniversidade de São Paulo orgdiv1Faculdade de Medicina orgdiv2Departamento de Dermatologia Brazil
                [17] São Paulo SP orgnameSecretaria de Estado da Saúde de São Paulo orgdiv1Instituto de Infectologia Emílio Ribas Brasil
                [11] Uberlândia Minas Gerais orgnameUniversidade Federal de Uberlândia orgdiv1Faculdade de Medicina orgdiv2Serviço de Infectologia Brazil
                [8] Rio de Janeiro orgnameFundação Oswaldo Cruz orgdiv1Instituto de Pesquisa Clínica Evandro Chagas Brazil
                [12] Arizona orgnameNorthern Arizona University orgdiv1Translational Genomics Research Institute United States
                [2] Botucatu orgnameUniversidade Estadual Paulista orgdiv1Faculdade de Medicina Botucatu orgdiv2Departamento de Doenças Tropicais e Diagnóstico por Imagem Brazil
                [16] Porto Velho RO orgnameCentro de Medicina Tropical de Rondônia Brasil
                [15] Cuiabá Mato Grosso orgnameUniversidade Federal de Mato Grosso orgdiv1Faculdade de Ciências Médicas orgdiv2Núcleo de Doenças Infecciosas e Tropicais Brazil
                [5] São Paulo São Paulo orgnameUniversidade de São Paulo orgdiv1Faculdade de Medicina orgdiv2Divisão de Moléstias Infecciosas Brazil
                [9] Botucatu orgnameUniversidade Estadual Paulista orgdiv1Instituto de Biociências orgdiv2Departamento de Microbiologia e Imunologia Brazil
                [20] Ribeirão Preto orgnameUniversidade de São Paulo orgdiv1Faculdade de Medicina de Ribeirão Preto orgdiv2Departamento de Clínica Médica Brazil
                Article
                S0037-86822017000500715
                10.1590/0037-8682-0230-2017
                28746570
                5db68877-c41f-4ba4-ac3b-0588e924a499

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 30 June 2017
                : 01 June 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 114, Pages: 26
                Product

                SciELO Brazil


                Paracoccidioidomycosis,Guidelines,Clinical management,Diagnosis,Treatment follow-up

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