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      Identificação de roedores silvestres como hospedeiros do Angiostrongylus costaricensis no sul do Brasil Translated title: Identification of wild rodents as hosts of Angiostrongylus costaricensis in the South of Brazil

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          Abstract

          Um número crescente de casos de angiostrongilíase abdominal tem sido detectado no sul do Brasil. O principal hospedeiro do Angiostrongylus costaricensis na América Central, o rato do algodão (Sigmodon hispidus), não ocorre na América do Sul, exceto no norte do Peru, Colômbia e Venezuela. Foram realizadas capturas na área endêmica do Rio Grande do Sul (RS), visando identificar hospedeiros para obtenção de vermes em laboratório e produção de antígeno. Pela primeira vez no Brasil foi constatada a infecção em roedores: Oryzomys nigripes e Oryzomys ratticeps. O. nigripes é um roedor silvestre de pequeno porte e parece ser o principal hospedeiro definitivo do A. costaricensis na região serrana do RS.

          Translated abstract

          Increasing number of human cases of abdominal angiostrongyliasis has been diagnosed in the south of Brazil. The main definitive host of Angiostrongylus costaricensis in Central America is the cotton rat (Sigmodon hispidus) that does not occur in South America, except in the north of Colombia, Peru and Venezuela. Rodents were captured in the endemic area in Rio Grande do Sul (RS) and definitive hosts were identified for the first time in Brazil: Oryzomys nigripes and Oryzomys ratticeps. O. nigripes is a small wild rodent and it appears to be the main definitive host of A. costaricensis in the highlands of RS, Brazil's southermost State.

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          Life history and redescription of Angiostrongylus costaricensis Morera and Céspedes, 1971.

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            Phillocaulis variegatus: an intermediate host of Angiostrongylus costaricensis in south Brazil

            Molluscs collected in five localities in the State of Rio Grande do Sul (Brazil) were digested and examined. The infected slugs were identified as Phyllocaulis variegatus and the larvae found were inoculated per os into mice. After 50 days, worms with the caracteristics of Angiostrongylus costaricensis were recovered from the mesenteric arterial system. The results establish the role of P. variegatus as intermediate host of A. costaricensis in south Brazil, where many cases of abdominla angiostrongyliasis have been diagnosed.
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              Angiostrongylus costaricensis in Panama. Prevalence and pathologic findings in wild rodents infected with the parasite.

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                Author and article information

                Journal
                rimtsp
                Revista do Instituto de Medicina Tropical de São Paulo
                Rev. Inst. Med. trop. S. Paulo
                Instituto de Medicina Tropical de São Paulo (São Paulo, SP, Brazil )
                1678-9946
                June 1990
                : 32
                : 3
                : 147-150
                Affiliations
                [04] Rio de Janeiro RJ orgnameUniversidade Federal do Rio de Janeiro orgdiv1Faculdade de Medicina orgdiv2Departamento de Medicina Preventiva Brasil
                [02] Rio de Janeiro RJ orgnameInstituto Oswaldo Cruz Brasil
                [01] Rio de Janeiro RJ orgnameInstituto Oswaldo Cruz orgdiv1Departamento de Patologia Brasil
                [03] Rio de Janeiro RJ orgnameEscola Nacional de Saúde Pública Brasil
                Article
                S0036-46651990000300001 S0036-4665(90)03200301
                10.1590/S0036-46651990000300001
                3ab7759f-2c14-483a-a8e9-7a89229bd2fd

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

                History
                : 01 September 1989
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 11, Pages: 4
                Product

                SciELO Brazil


                Oryzomys ratticeps,Oryzomys nigripes,Angiostrongylus costaricensis,helmintíases,zoonoses por helmintos,angiostrongilíase abdominal

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