Aspectos operacionais do controle do Triatoma brasiliensis
Autor(a) principal: | |
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Data de Publicação: | 2000 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Cadernos de Saúde Pública |
Texto Completo: | https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/1359 |
Resumo: | Vector control strategies against indigenous species is not easy, due to their capacity to reinvade treated premises from sylvatic ecotopes. Between August 1996 and December 1997 we conducted a study on reinfestation of houses after spraying in a county in the State of Ceará. Of 277 houses examined, 113 (40.8%) were infested (21.7% intradomiciliary and 35.4% peridomiciliary). Of the 433 Triatominae collected, 207 were Triatoma brasiliensis (49% of which intradomiciliary, with a mean of 1.8 insects/house) and 226 were Triatoma pseudomaculata (97% peridomiciliary). The age structure of the two indicated a univoltine development cycle for T. brasiliensis and two cycles per year for T. pseudomaculata. Four months after spraying with deltamethrin SC 25mg ia/m², 9.7% of the houses were still positive, mainly with peridomestic infestations. Intradomiciliary wall bioassays showed persistence of the insecticide up to 9 months after spraying. Considering the high potential for recolonization of treated premises from sylvatic foci, we propose an operational strategy combining traditional evaluations and community-based surveillance with increased selective interventions and community education. |
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Aspectos operacionais do controle do Triatoma brasiliensisDoença de ChagasTriatominaeControle de VetoresInsetos VetoresPrevenção e ControleVector control strategies against indigenous species is not easy, due to their capacity to reinvade treated premises from sylvatic ecotopes. Between August 1996 and December 1997 we conducted a study on reinfestation of houses after spraying in a county in the State of Ceará. Of 277 houses examined, 113 (40.8%) were infested (21.7% intradomiciliary and 35.4% peridomiciliary). Of the 433 Triatominae collected, 207 were Triatoma brasiliensis (49% of which intradomiciliary, with a mean of 1.8 insects/house) and 226 were Triatoma pseudomaculata (97% peridomiciliary). The age structure of the two indicated a univoltine development cycle for T. brasiliensis and two cycles per year for T. pseudomaculata. Four months after spraying with deltamethrin SC 25mg ia/m², 9.7% of the houses were still positive, mainly with peridomestic infestations. Intradomiciliary wall bioassays showed persistence of the insecticide up to 9 months after spraying. Considering the high potential for recolonization of treated premises from sylvatic foci, we propose an operational strategy combining traditional evaluations and community-based surveillance with increased selective interventions and community education.O controle de triatomíneos é dificultado pela capacidade de reinvasão das casas por exemplares silvestres. Entre agosto/96 e dezembro/97 realizou-se, no Ceará, um estudo a respeito da reinfestação das casas após borrifação. Das 277 Unidades Domiciliares UD pesquisadas, 40,8% estavam infestadas (21,7% dos intradomicílios e 35,4% dos peridomicílios). Dos 433 triatomíneos capturados, 207 eram Triatoma brasiliensis (48,8% no intradomicílio, média de 1,8 insetos/casa) e 226 Triatoma pseudomaculata (97,3% no peridomicílio). Ocorre um único ciclo anual do T. brasiliensis, e dois ciclos anuais do T. pseudomaculata. Quatro meses após a borrifação, 9,7% das unidades domiciliares permaneciam positivas, principalmente no peridomicílio; 10,3% das UD foram positivas em todas as avaliações. O teste de suscetibilidade biológica à deltametrina revelou a persistência do inseticida no intradomicílio até nove meses após a borrifação. A prevalência global da infecção humana foi de 5,7%, tendo sido positivas cinco crianças menores de dez anos. Considerando-se a alta pressão de recolonização a partir de exemplares silvestres, propõe-se, como metodologia de controle, um sistema misto da avaliação tradicional e a vigilância epidemiológica.Reports in Public HealthCadernos de Saúde Pública2000-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlapplication/pdfhttps://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/1359Reports in Public Health; Vol. 16 No. 6 (2000): Supplement 2Cadernos de Saúde Pública; v. 16 n. 6 (2000): Suplemento 21678-44640102-311Xreponame:Cadernos de Saúde Públicainstname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZporhttps://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/1359/2706https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/1359/2707Diotaiuti, LiléiaFaria Filho, Osvaldo F.Carneiro, Francisco C. F.Dias, João Carlos PintoPires, Herton Helder R.Schofield, Christopher J.info:eu-repo/semantics/openAccess2024-03-06T15:26:23Zoai:ojs.teste-cadernos.ensp.fiocruz.br:article/1359Revistahttps://cadernos.ensp.fiocruz.br/ojs/index.php/csphttps://cadernos.ensp.fiocruz.br/ojs/index.php/csp/oaicadernos@ensp.fiocruz.br||cadernos@ensp.fiocruz.br1678-44640102-311Xopendoar:2024-03-06T13:01:38.057915Cadernos de Saúde Pública - Fundação Oswaldo Cruz (FIOCRUZ)true |
dc.title.none.fl_str_mv |
Aspectos operacionais do controle do Triatoma brasiliensis |
title |
Aspectos operacionais do controle do Triatoma brasiliensis |
spellingShingle |
Aspectos operacionais do controle do Triatoma brasiliensis Diotaiuti, Liléia Doença de Chagas Triatominae Controle de Vetores Insetos Vetores Prevenção e Controle |
title_short |
Aspectos operacionais do controle do Triatoma brasiliensis |
title_full |
Aspectos operacionais do controle do Triatoma brasiliensis |
title_fullStr |
Aspectos operacionais do controle do Triatoma brasiliensis |
title_full_unstemmed |
Aspectos operacionais do controle do Triatoma brasiliensis |
title_sort |
Aspectos operacionais do controle do Triatoma brasiliensis |
author |
Diotaiuti, Liléia |
author_facet |
Diotaiuti, Liléia Faria Filho, Osvaldo F. Carneiro, Francisco C. F. Dias, João Carlos Pinto Pires, Herton Helder R. Schofield, Christopher J. |
author_role |
author |
author2 |
Faria Filho, Osvaldo F. Carneiro, Francisco C. F. Dias, João Carlos Pinto Pires, Herton Helder R. Schofield, Christopher J. |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Diotaiuti, Liléia Faria Filho, Osvaldo F. Carneiro, Francisco C. F. Dias, João Carlos Pinto Pires, Herton Helder R. Schofield, Christopher J. |
dc.subject.por.fl_str_mv |
Doença de Chagas Triatominae Controle de Vetores Insetos Vetores Prevenção e Controle |
topic |
Doença de Chagas Triatominae Controle de Vetores Insetos Vetores Prevenção e Controle |
description |
Vector control strategies against indigenous species is not easy, due to their capacity to reinvade treated premises from sylvatic ecotopes. Between August 1996 and December 1997 we conducted a study on reinfestation of houses after spraying in a county in the State of Ceará. Of 277 houses examined, 113 (40.8%) were infested (21.7% intradomiciliary and 35.4% peridomiciliary). Of the 433 Triatominae collected, 207 were Triatoma brasiliensis (49% of which intradomiciliary, with a mean of 1.8 insects/house) and 226 were Triatoma pseudomaculata (97% peridomiciliary). The age structure of the two indicated a univoltine development cycle for T. brasiliensis and two cycles per year for T. pseudomaculata. Four months after spraying with deltamethrin SC 25mg ia/m², 9.7% of the houses were still positive, mainly with peridomestic infestations. Intradomiciliary wall bioassays showed persistence of the insecticide up to 9 months after spraying. Considering the high potential for recolonization of treated premises from sylvatic foci, we propose an operational strategy combining traditional evaluations and community-based surveillance with increased selective interventions and community education. |
publishDate |
2000 |
dc.date.none.fl_str_mv |
2000-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/1359 |
url |
https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/1359 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/1359/2706 https://cadernos.ensp.fiocruz.br/ojs/index.php/csp/article/view/1359/2707 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html application/pdf |
dc.publisher.none.fl_str_mv |
Reports in Public Health Cadernos de Saúde Pública |
publisher.none.fl_str_mv |
Reports in Public Health Cadernos de Saúde Pública |
dc.source.none.fl_str_mv |
Reports in Public Health; Vol. 16 No. 6 (2000): Supplement 2 Cadernos de Saúde Pública; v. 16 n. 6 (2000): Suplemento 2 1678-4464 0102-311X reponame:Cadernos de Saúde Pública instname:Fundação Oswaldo Cruz (FIOCRUZ) instacron:FIOCRUZ |
instname_str |
Fundação Oswaldo Cruz (FIOCRUZ) |
instacron_str |
FIOCRUZ |
institution |
FIOCRUZ |
reponame_str |
Cadernos de Saúde Pública |
collection |
Cadernos de Saúde Pública |
repository.name.fl_str_mv |
Cadernos de Saúde Pública - Fundação Oswaldo Cruz (FIOCRUZ) |
repository.mail.fl_str_mv |
cadernos@ensp.fiocruz.br||cadernos@ensp.fiocruz.br |
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