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Freqüência de anticorpo anti-Toxocara canis em comunidade do Rio Uatumã, no Estado do Amazonas / Frequency of the antibody anti-Toxocara canis in a community along the Uatumã river, State of Amazonas
Damian, Márcia Melo; Martins, Marilaine; Sardinha, José Felipe; Souza, Luciana Orêncio de; Chaves, Andreza; Tavares, Antonio de Matos.
Affiliation
  • Damian, Márcia Melo; Fundação de Medicina Tropical do Amazonas. Manaus. BR
  • Martins, Marilaine; Fundação de Medicina Tropical do Amazonas. Manaus. BR
  • Sardinha, José Felipe; Fundação de Medicina Tropical do Amazonas. Manaus. BR
  • Souza, Luciana Orêncio de; Fundação de Medicina Tropical do Amazonas. Manaus. BR
  • Chaves, Andreza; Fundação de Medicina Tropical do Amazonas. Manaus. BR
  • Tavares, Antonio de Matos; Fundação de Medicina Tropical do Amazonas. Manaus. BR
Rev. Soc. Bras. Med. Trop ; 40(6): 661-664, nov.-dez. 2007. graf, tab
Article in Portuguese | LILACS | ID: lil-471348
Responsible library: BR1.1
RESUMO
Um estudo seccional foi realizado nas Vilas Waimiri e Atroari em Balbina, entre julho e outubro de 2006, com o objetivo de estimar a freqüência de anticorpo antiToxocara canis da classe IgG e avaliar as variáveis epidemiológicas e socioculturais. Foram estudadas 34 famílias e incluídos 100 indivíduos, o que correspondeu a 5 por cento (100/2.000) da população das vilas. A idade variou de zero a 76 anos (M=22,9 Dp=18). Quanto ao gênero, 53 por cento eram femininos e 47 por cento masculino; 52 por cento das amostras foram positivas para Toxocara canis, 44,5 por cento negativas e 3,2 por cento inconclusivas. Observou-se menor número de indivíduos com sorologia negativa na Vila Atroari 29,5 por cento (13/44) em comparação com a Waimiri 46,4 por cento (26/56). Com relação ao contato com cães, dos 55 indivíduos com contato domiciliar 60 por cento (33/55) foram positivos para anticorpo antiToxocara canis Apresentaram sorologia positiva 66,6 por cento (10/15) dos indivíduos que tinham contato domiciliar com filhotes de cão (chi²22,149 p=0,008). A existência de contato domiciliar com cães e filhotes mostrou associação com a presença de anticorpo anti-Toxocara canis na população estudada.
ABSTRACT
A cross-sectional study was carried out in the Waimiri and Atroari settlements in Balbina, between July and October 2006, with the aims of estimating the frequency of the antibody anti-Toxocara canis of the IgG class and studying the epidemiological and sociocultural variables. Thirty-four families were studied and 100 individuals were included, corresponding to 5 percent (100/2000) of the population of the settlements. The age range was 0-76 years (mean = 22.9; standard deviation = 18). The gender distribution was 53 percent female and 47 percent male. The samples were 52 percent positive for Toxocara canis, 44.5 percent negative and 3.2 percent inconclusive. The number of individuals who tested serologically negative in Atroari (29.5 percent; 13/44) was lower than in Waimiri (46.4 percent; 26/56). In relation to contact with dogs, among the 55 individuals with contact in their homes, 60 percent (33/55) were positive for Ac anti-Toxocara canis and 40 percent (22/55) were negative (chi2= 14.317; p = 0.026). Among the individuals who had contact in their homes with puppies, 66.6 percent (10/15) were serologically positive (chi2= 22.149; p=0.008). The existence of home contact with dogs and puppies showed an association with the presence of Ac anti-Toxocara canis in the study population.
Subject(s)

Full text: Available Collection: International databases Health context: Neglected Diseases Health problem: Helminthiasis / Neglected Diseases Database: LILACS Main subject: Immunoglobulin G / Antibodies, Helminth / Toxocariasis / Toxocara canis Type of study: Diagnostic study / Observational study / Prevalence study / Risk factors / Screening study Limits: Animals / Female / Humans / Male Country/Region as subject: South America / Brazil Language: Portuguese Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 2007 Document type: Article Affiliation country: Brazil Institution/Affiliation country: Fundação de Medicina Tropical do Amazonas/BR
Full text: Available Collection: International databases Health context: Neglected Diseases Health problem: Helminthiasis / Neglected Diseases Database: LILACS Main subject: Immunoglobulin G / Antibodies, Helminth / Toxocariasis / Toxocara canis Type of study: Diagnostic study / Observational study / Prevalence study / Risk factors / Screening study Limits: Animals / Female / Humans / Male Country/Region as subject: South America / Brazil Language: Portuguese Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 2007 Document type: Article Affiliation country: Brazil Institution/Affiliation country: Fundação de Medicina Tropical do Amazonas/BR
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