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Rhodnius prolixus en Nicaragua: distribución geogrßfica, control y vigilancia entre 1998 y 2009

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Date
2011
Author
Yoshioka, Kota
Tercero, Doribell
Pérez, Byron
Lugo, Emperatriz
Metadata
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Abstract
OBJETIVO: Presentar la perspectiva general del control de Rhodnius prolixus, el principal vector en la transmisión de la enfermedad de Chagas en Centroamérica, durante el período 1998-2009 en Nicaragua. Describir el control vectorial realizado y presentar la distribución geogrßfica de las localidades infestadas. MÉTODOS: Se estudió y analizó la información disponible en el Ministerio de Salud de Nica ragua. Se visualizó la distribución geogrßfica de R. prolixus mediante el programa visualiza dor de mapas Quantum GIS 1.5.0. RESULTADOS: Se determinó que 59 localidades en 14 municipios de 8 departamentos presen taron antecedentes de infestación con R. prolixus entre 1998 y 2009. La altitud de las locali dades infestadas oscila entre 160 y 1 414 metros sobre el nivel del mar. Se han tratado con mßs de dos ciclos de control químico 56 localidades. En el segundo ciclo de rociamiento se detectó la presencia del vector, pero durante el tercer ciclo no se lo encontró en ninguna localidad. CONCLUSIONES: La mayor concentración geogrßfica de R. prolixus se observó en dos depar tamentos de la región norte: Madriz y Nueva Segovia. La cantidad de localidades infestadas es menor en Nicaragua que en otros países centroamericanos. El control químico ha sido exitoso en las localidades intervenidas, pero es necesario fortalecer el sistema de vigilancia institucio nal y comunitaria tanto para vigilar la reinfestación con R. prolixus como para ampliar la cobertura del control vectorial.(AU)
 
OBJECTIVE: Present an overview of the control of Rhodnius prolixus, the principal vector in the transmission of Chagas' disease in Central America, during the period 1998-2009 in Nicaragua. Describe the vector control carried out and the geographical distribution of the infested localities. METHODS: The available information in Nicaragua's Ministry of Health was studied and analyzed. The geographical distribution of R. prolixus was visualized using the Quantum GIS 1.5.0 map visualization program. RESULTS: It was determined that 59 localities in 14 municipalities of 8 departments had a history of R. prolixus infestation between 1998 and 2009. The altitude of the infested localities ranges between 160 and 1 414 meters above sea level. A total of 56 localities have been treated with more than two cycles of chemical control. The presence of the vector was detected in the second spraying cycle, but it was not found in any locality during the third cycle. CONCLUSIONS: The greatest geographical concentration of R. prolixus was found in two departments in the northern region: Madriz and Nueva Segovia. There were fewer infested localities in Nicaragua than in other Central American countries. Chemical control has been successful in the localities treated, but the institutional and community surveillance system needs to be strengthened to monitor R. prolixusreinfestation and expand vector control coverage.(AU)
 
Series
Rev Panam Salud Publica;30(5),nov. 2011
Subject
Enfermedad de Chagas; Rhodnius; Localización Geográfica de Riesgo; Trypanosoma cruzi; Control de Vectores; Nicaragua; Chagas Disease; Rhodnius; Geographical Localization of Risk; Trypanosoma cruzi; Vector Control; Nicaragua; Doença de Chagas; Controle de Insetos; Insetos Vetores; Rhodnius; Altitude; Doença de Chagas; Programas Governamentais; Insetos Vetores; Inseticidas; Nicarágua; Vigilância da População; Avaliação de Programas e Projetos de Saúde; Estudos Retrospectivos; Rhodnius; Trypanosoma cruzi
URI
http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892011001100006
https://iris.paho.org/handle/10665.2/9444
Citation
Yoshioka, Kota,Tercero, Doribell,Pérez, Byron,Lugo, Emperatriz (2011) Rhodnius prolixus en Nicaragua: distribución geogrßfica, control y vigilancia entre 1998 y 2009. Rev Panam Salud Publica;30(5) 439-444,nov. 2011. Retrieved from http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892011001100006
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  • Pan American Journal of Public Health

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