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      Estudos epidemiológicos entre grupos indígenas de Rondônia: I— Piodermites e portadores inaparentes de Staphylococcus sp. na boca e nariz entre os Suruí e Karitiana Translated title: Epidemiological studies among amerindians of Rondônia: I — Pioderma and assymptomatic carriers of Staphylococcus sp. in the mouth and nose among the Suruí and Karitiana Indians

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          Abstract

          Foram realizadas culturas bacteriológicas a partir de material colhido na boca e nariz entre 38 pacientes indígenas Suruí e 58 Karitiana, no Estado de Rondônia. Entre os Suruí, foi isolado S. aureus em 10 (26,3%) indivíduos e S. epidermidis em 25 (65,8%). Na população Karitiana, S. aureus foi isolado em 21 (36,2%) pacientes e S. epidermidis em 42 (72,4%). Testes de sensibilidade as drogas foram realizados com todas as cepas de S. aureus isoladas. É discutido o papel de portadores inaparentes desta bactéria nas cavidades oral e nasal, assim como alguns aspectos relacionados à sua transmissão e prevalência de piodermites entre populações indígenas.

          Translated abstract

          Bacteriological examinations were done with 38 Indian patients from the Suruí and 58 patients from the Karitiana groups, in the State of Rondônia, Brazil. Among the Suruí, S. aureus was isolated in 10 (26.3%) individuals and S. epidermidis in 25 (65,8%). In the Karitiana population, S. aureus was recorded from 21 (36.2%) patients and S. epidermidis from 42 (72.4%). Sensibility tests to different drugs were done with all strains of S. aureus isolated. The Authors discuss the role of assymptomatic carriers of these bacteria in the oral and nasal cavities, as well as some aspects related to its transmission and the prevalence of pyoderma infections within Indian population.

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          The incidence of certain skin diseases in Western Samoa: A preliminary survey

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            Epidemiologic studies among Amerindian populations of Amazônia. I. Pyoderma: prevalence and associated pathogens.

            Pyoderma was studied among a representative sample of the residents of four remote Amerindian villages, Amazonas State, Brazil, during July-August 1976. The overall prevalence among the 775 inhabitants examined was 11%, with little intervillage variation. When the attack rates for the entire sample population were calculated by 5-year age intervals, the 0- to 4-year-olds had the highest rate, 31%. The highest prevalence, 38%, was found among 3-year-olds. Attack rates were not apparently related to sex. Cultures which were taken from representative pyoderma lesions from people in the four survey villages and from three additional villages were studied by a modified delayed culture technique for recovery of gram-positive pathogens from silica-gel desiccated swabs. Group A and group G B-hemolytic streptococci, coagulase positive Staphylococcus aureus, and Corynebacterium diphtheriae were isolated. Group A S. pyogenes was most commonly found, occasionally as the sole pathogenic species. No nephritogenic M-types were found, although most isolates were not M-typable. The T-types found corresponded to those previously reported as being pyoderma-associated. Most pyoderma-associated C. diphtheriae isolates were non-toxigenic. Biotypes gravis and mitis were equally represented.
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              Suppression of nasal, skin, and aerial staphylococci by nasal application of methicillin.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rimtsp
                Revista do Instituto de Medicina Tropical de São Paulo
                Rev. Inst. Med. trop. S. Paulo
                Instituto de Medicina Tropical (São Paulo )
                1678-9946
                February 1985
                : 27
                : 1
                : 13-19
                Affiliations
                [1 ] Secretaria da Saúde de Rondônia
                [2 ] Universidade de Brasília Brazil
                Article
                S0036-46651985000100003
                10.1590/S0036-46651985000100003
                e718e715-79ce-49d8-a8f9-1ee4bdf01b30

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0036-4665&lng=en
                Categories
                TROPICAL MEDICINE

                Infectious disease & Microbiology
                Infectious disease & Microbiology

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