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      EPIDEMIOLOGY OF PARACOCCIDIOIDOMYCOSIS Translated title: Epidemiologia da paracoccidioidomicose

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          SUMMARY

          The epidemiological characteristics of paracoccidioidomycosis were reviewed and updated. The new endemic areas in Brazil were discussed in the section regarding the geographic distribution of the mycosis. Subclinical infection with Paracoccidioides brasiliensis was discussed on the basis of skin test surveys with antigens of the fungus, seroepidemiological studies, and disease cases outside Latin America. Large case series permitted a comparison of the prevalence of the mycosis in different regions, its estimated incidence and risk factors for the development of the disease. Aspects modulating the expression of the clinical forms of paracoccidioidomycosis are also presented. This review also deals with diseases associated with the mycosis, opportunistic paracoccidioidomycosis, lethality, mortality and infection and disease in animals.

          RESUMO

          As características epidemiológicas da paracoccidioidomicose foram revistas e atualizadas. Novas áreas endêmicas brasileiras foram discutidas na seção de distribuição geográfica da micose. A infecção subclínica por Paracoccidioides brasiliensis foi discutida com base em pesquisas realizadas com testes cutâneos com antígenos do fungo, estudos soroepidemiológicos e em casos de doença, fora da América Latina. Grandes séries de casos permitiram a comparação da prevalência da micose em diferentes regiões, sua incidência estimada e fatores de risco para o desenvolvimento da doença. Aspectos modulando a expressão de formas subclínicas da paracoccidioidomicose foram igualmente apresentados. Esta revisão também trata de doenças associadas à micose, paracoccidioidomicose oportunista, letalidade, mortalidade e infecção e doença em animais.

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          The habitat of Paracoccidioides brasiliensis: how far from solving the riddle?

          When trying to understand the pathophysiology of any infectious agent, one key piece of information is the determination of its habitat. In the case of Paracoccidioides brasiliensis, the precise location of the fungus' environmental niche remains undefined despite the efforts of various research groups. This review summarizes recent studies on the ecology of P. brasiliensis and certain facets of paracoccidioidomycosis. Studies on the juvenile form of paracoccidioidomycosis in children less than 13 years of age, the characterization of the ecological factors in the 'reservarea' where the infection is acquired and the presence of P. brasiliensis in the nine-banded armadillo (Dasypus novemcinctus), are all helping to pinpoint the microniche of this pathogen. The application of molecular biology techniques based on the amplification of nucleic acids will also hopefully help in establishing the precise habitat of P. brasiliensis.
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            Endemic regions of paracoccidioidomycosis in Brazil: a clinical and epidemiologic study of 584 cases in the southeast region.

            This paper describes the clinical-seroepidemiologic characteristics of patients with paracoccidioidomycosis (PCM) who visited the University Hospital at the State University of Campinas (Campinas, Sao Paulo, Brazil). The study group consisted of 584 individuals (492 males and 92 females) with ages ranging from 5 to 87 years. The highest incidence of the disease occurred between the ages of 41 and 50 years for men and between 11 and 40 years for women. Rural activities were the principal occupation of 46% of the patients. The diagnosis was confirmed by histopathologic examination and demonstration of fungus in scrapings, secretions, or in the sputum. Serologic test results for PCM were positive in 80% of the 584 patients studied. The significant number of patients, including 33 children less than 14 years old, indicates the presence of the fungus in the area and that this region is an important endemic area for PCM.
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              Paracoccidioidomycosis mortality in Brazil (1980-1995)

              This study analyzes 3,181 deaths from paracoccidioidomycosis in Brazil, based on 16 years of sequential data (from 1980 to 1995). During this period paracoccidioidomycosis showed considerable magnitude and low visibility, representing the eighth most common cause of death from predominantly chronic or recurrent types of infectious and parasitic diseases. It also had the highest mortality rate among the systemic mycoses. The mean annual mortality rate was 1.45 per million inhabitants, indicating a downward long-term trend (reduction of 31.28%), while spatial distribution among the different regions and States of Brazil was non-homogenous. The South (with the highest regional rate) and the Southeast showed a downward trend, while the Central West had the second highest rate in the country. At least one-fifth of Brazilian municipalities (or 22.71% of the country's total area) reported deaths from paracoccidioidomycosis. Overall nationwide mortality per area was 3.73/10,000km². The disease was endemic in non-metropolitan areas. The majority of deaths occurred in males (84.75%), and there was a sex ratio of 562 men/100 women. The 30-59-year and over-60-year age groups were the most affected. The study showed that the mortality rate justifies classifying this disease as a major health problem in Brazil.
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                Author and article information

                Journal
                Rev Inst Med Trop Sao Paulo
                Rev. Inst. Med. Trop. Sao Paulo
                rimtsp
                Revista do Instituto de Medicina Tropical de São Paulo
                Instituto de Medicina Tropical
                0036-4665
                1678-9946
                September 2015
                September 2015
                : 57
                : Suppl 19
                : 11-20
                Affiliations
                [1]Universidade de São Paulo, Faculdade de Medicina de Ribeirão Preto, Divisão de Doenças Infecciosas, Departamento de Clínica Médica, Ribeirão Preto, SP, Brasil
                Author notes
                Correspondence to: Prof. Roberto Martinez, Departamento de Clínica Médica, Faculdade de Medicina de Ribeirão Preto/USP, Campus de Monte Alegre, 14048-900-Ribeirão Preto, SP, Brasil. E-mail: rmartine@ 123456fmrp.usp.br
                Article
                10.1590/S0036-46652015000700004
                4711199
                26465364
                f5f837c2-707c-4dbb-ab8a-e32961cb6fa3

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License which permits unrestricted non-commercial use, distribution, and reproduction in any medium provided the original work is properly cited.

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                Page count
                Figures: 0, Tables: 3, Equations: 0, References: 98, Pages: 10
                Categories
                Articles

                paracoccidioidomycosis,p. brasiliensis,epidemiology
                paracoccidioidomycosis, p. brasiliensis, epidemiology

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