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Control de diarrea y dengue en escuelas primarias rurales de Colombia: protocolo de estudio para un ensayo aleatorio y controlado por conglomerados / Diarrhea and dengue control in rural primary schools in Colombia: study protocol for a randomized controlled trial
Overgaard, Hans J; Alexander, Neal; Jaramillo, Juan Felipe; Olano, Víctor Alberto; Vargas, Sandra; Sarmiento, Diana; Lenhart, Audrey; Seidu, Razak; Stenstrõm, Thor Axel; Matiz, María Inés.
  • Overgaard, Hans J; s.af
  • Alexander, Neal; s.af
  • Jaramillo, Juan Felipe; s.af
  • Olano, Víctor Alberto; s.af
  • Vargas, Sandra; s.af
  • Sarmiento, Diana; s.af
  • Lenhart, Audrey; s.af
  • Seidu, Razak; s.af
  • Stenstrõm, Thor Axel; s.af
  • Matiz, María Inés; s.af
Rev. salud bosque ; 4(1): 75-90, 2014. mapas, tab
Article in Spanish | LILACS | ID: lil-772941
RESUMEN
Antecedentes. Las enfermedades diarreicas y el dengue son graves problemas de salud pública a nivel global. Cuando el suministro de agua potable es inadecuado, el almacenamiento de agua es crucial. La contaminación fecal del agua almacenada es una fuente común de las enfermedades diarreicas y, al mismo tiempo, el agua almacenada proporciona criaderos para los mosquitos vectores del dengue. Un manejo deficiente del agua doméstica y del saneamiento son, por lo tanto, determinantes potenciales de ambas enfermedades. Poco se sabe de la importancia del agua almacenada para el riesgo combinado de la diarrea y el dengue, sin embargo, una intervención compartida podría ser importante para el desarrollo de esfuerzos en gestión y control integrado. Aun menos conocidos son los efectos de un control integrado de estas enfermedades en los entornos escolares. El objetivo de este estudio fue investigar si las intervenciones contra la diarrea y el dengue reducían significativamente las enfermedades diarreicas y los factores de riesgo entomológico de dengue, en las escuelas primarias rurales de dos municipios de Cundinamarca. Metodología y diseño. Se trata de un ensayo por conglomerados, factorial de 2 x 2, controlado y de asignación aleatoria. Las instituciones elegibles fueron las escuelas rurales de los municipios de La Mesa y Anapoima en el departamento de Cundinamarca. Los estudiantes elegibles fueron los niños de las escuelas de los grados 0 a 5. Las escuelas fueron asignadas aleatoriamente a uno de los cuatro grupos del estudio intervenciones de diarrea, intervenciones de dengue, las dos intervenciones, diarrea y dengue, y control. Las escuelas fueron estratificadas por municipio y asignadas mediante un acto público al inicio del ensayo. La variable de respuesta primaria para la diarrea fue la tasa de incidencia de diarrea en los niños de las escuelas, y para dengue, la densidad de adultos hembra de Aedes aegypti por escuela. Aproximadamente...
ABSTRACT

Background:

Diarrheal diseases and dengue fever are major global health problems. Where provision of clean water is inadequate, water storage is crucial. Fecal contamination of stored water is a common source of diarrheal illness, but stored water also provides breeding sites for dengue vector mosquitoes. Poor household water management and sanitation are therefore potential determinants of both diseases. Little is known of the role of stored water for the combined risk of diarrhea and dengue, yet a joint role would be important for developing integrated control and management efforts. Even less is known of the effect of integrating control of these diseases in school settings. The objective of this trial was to investigate whether interventions against diarrhea and dengue will significantly reduce diarrheal disease and dengue entomological risk factors in rural primary schools. Methods/

design:

This is a 2×2 factorial cluster randomized controlled trial. Eligible schools were rural primary schools in La Mesa and Anapoima municipalities, Cundinamarca, Colombia. Eligible pupils were school children in grades 0 to 5. Schools were randomized to one of four study arms diarrhea interventions (DIA); dengue interventions (DEN); combined diarrea and dengue interventions (DIADEN); and control (C). Schools were allocated publicly in each municipality (strata) at the start of the trial, obviating the need for allocation concealment. The primary outcome for diarrea is incidence rate of diarrhea in school children and for dengue it is density of adult female Aedes aegypti per school. Approximately 800 pupils from 34 schools were enrolled in the trial with eight schools in the DIA arm, nine in the DEN, eight in the DIADEN, and nine in the control arms. The trial was funded by the Research Council of Norway and the Lazos de Calandaima Foundation.

Discussion:

This is the first trial investigating...
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: School Health Services / Risk Factors / Aedes / Dengue / Diarrhea Type of study: Controlled clinical trial / Etiology study / Incidence study / Risk factors Limits: Child, preschool / Humans / Infant Country/Region as subject: South America / Colombia Language: Spanish Journal: Rev. salud bosque Journal subject: Medicine Year: 2014 Type: Article / Project document

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Full text: Available Index: LILACS (Americas) Main subject: School Health Services / Risk Factors / Aedes / Dengue / Diarrhea Type of study: Controlled clinical trial / Etiology study / Incidence study / Risk factors Limits: Child, preschool / Humans / Infant Country/Region as subject: South America / Colombia Language: Spanish Journal: Rev. salud bosque Journal subject: Medicine Year: 2014 Type: Article / Project document