Serveur d'exploration sur le lymphœdème

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Integrated School-Based Surveillance for Soil-Transmitted Helminth Infections and Lymphatic Filariasis in Gampaha District, Sri Lanka

Identifieur interne : 002982 ( Main/Exploration ); précédent : 002981; suivant : 002983

Integrated School-Based Surveillance for Soil-Transmitted Helminth Infections and Lymphatic Filariasis in Gampaha District, Sri Lanka

Auteurs : Sharmini Gunawardena ; Nipul K. Gunawardena ; Ganga Kahathuduwa ; Nadira D. Karunaweera ; Nilanthi R. De Silva ; Udaya B. Ranasinghe ; Sandhya D. Samarasekara ; Kumara C. Nagodavithana ; Ramakrishna U. Rao ; Maria P. Rebollo ; Gary J. Weil

Source :

RBID : PMC:3973510

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English descriptors

Abstract

We explored the practicality of integrating surveillance for soil-transmitted helminthiasis (STH, assessed by Kato-Katz) with transmission assessment surveys for lymphatic filariasis (LF) in two evaluation units (EUs) in Gampaha district, Sri Lanka (population 2.3 million). The surveys were performed 6 years after five annual rounds of mass drug administration with diethylcarbamazine and albendazole. Each transmission assessment survey tested children (N = 1,462 inland EU; 1,642 coastal EU) sampled from 30 primary schools. Low filarial antigenemia rates (0% and 0.1% for the inland and coastal EUs) suggest that LF transmission is very low in this district. The STH rates and stool sample participation rates were 0.8% and 61% (inland) and 2.8% and 58% (coastal). Most STH detected were low or moderate intensity Trichuris trichiura infections. The added cost of including STH testing was ∼$5,000 per EU. These results suggest that it is feasible to integrate school-based surveillance for STH and LF.


Url:
DOI: 10.4269/ajtmh.13-0641
PubMed: 24493672
PubMed Central: 3973510


Affiliations:


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Le document en format XML

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<title xml:lang="en" level="a" type="main">Integrated School-Based Surveillance for Soil-Transmitted Helminth Infections and Lymphatic Filariasis in Gampaha District, Sri Lanka</title>
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<name sortKey="Gunawardena, Nipul K" sort="Gunawardena, Nipul K" uniqKey="Gunawardena N" first="Nipul K." last="Gunawardena">Nipul K. Gunawardena</name>
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<name sortKey="Rao, Ramakrishna U" sort="Rao, Ramakrishna U" uniqKey="Rao R" first="Ramakrishna U." last="Rao">Ramakrishna U. Rao</name>
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<name sortKey="Rebollo, Maria P" sort="Rebollo, Maria P" uniqKey="Rebollo M" first="Maria P." last="Rebollo">Maria P. Rebollo</name>
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<title level="j">The American Journal of Tropical Medicine and Hygiene</title>
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<term>Animals</term>
<term>Antigens, Helminth (immunology)</term>
<term>Ascariasis (epidemiology)</term>
<term>Ascariasis (immunology)</term>
<term>Ascariasis (transmission)</term>
<term>Ascaris lumbricoides (immunology)</term>
<term>Child</term>
<term>Elephantiasis, Filarial (epidemiology)</term>
<term>Elephantiasis, Filarial (immunology)</term>
<term>Elephantiasis, Filarial (transmission)</term>
<term>Epidemiological Monitoring</term>
<term>Feasibility Studies</term>
<term>Feces (parasitology)</term>
<term>Helminthiasis (epidemiology)</term>
<term>Helminthiasis (immunology)</term>
<term>Helminthiasis (transmission)</term>
<term>Humans</term>
<term>Necator americanus (immunology)</term>
<term>Necatoriasis (epidemiology)</term>
<term>Necatoriasis (immunology)</term>
<term>Necatoriasis (transmission)</term>
<term>Parasite Egg Count</term>
<term>School Health Services (economics)</term>
<term>Soil (parasitology)</term>
<term>Sri Lanka (epidemiology)</term>
<term>Trichuriasis (epidemiology)</term>
<term>Trichuriasis (immunology)</term>
<term>Trichuriasis (transmission)</term>
<term>Trichuris (immunology)</term>
<term>Wuchereria bancrofti (immunology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr">
<term>Animaux</term>
<term>Antigènes d'helminthe (immunologie)</term>
<term>Ascaridiose (immunologie)</term>
<term>Ascaridiose (transmission)</term>
<term>Ascaridiose (épidémiologie)</term>
<term>Ascaris lombricoides (immunologie)</term>
<term>Enfant</term>
<term>Filariose lymphatique (immunologie)</term>
<term>Filariose lymphatique (transmission)</term>
<term>Filariose lymphatique (épidémiologie)</term>
<term>Fèces (parasitologie)</term>
<term>Helminthiase (immunologie)</term>
<term>Helminthiase (transmission)</term>
<term>Helminthiase (épidémiologie)</term>
<term>Humains</term>
<term>Necator americanus (immunologie)</term>
<term>Numération des oeufs de parasites</term>
<term>Nécatorose (immunologie)</term>
<term>Nécatorose (transmission)</term>
<term>Nécatorose (épidémiologie)</term>
<term>Services de santé scolaire (économie)</term>
<term>Sol (parasitologie)</term>
<term>Sri Lanka (épidémiologie)</term>
<term>Trichocéphalose (immunologie)</term>
<term>Trichocéphalose (transmission)</term>
<term>Trichocéphalose (épidémiologie)</term>
<term>Trichuris (immunologie)</term>
<term>Wuchereria bancrofti (immunologie)</term>
<term>Épidémiosurveillance</term>
<term>Études de faisabilité</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en">
<term>Antigens, Helminth</term>
</keywords>
<keywords scheme="MESH" type="geographic" qualifier="epidemiology" xml:lang="en">
<term>Sri Lanka</term>
</keywords>
<keywords scheme="MESH" qualifier="economics" xml:lang="en">
<term>School Health Services</term>
</keywords>
<keywords scheme="MESH" qualifier="epidemiology" xml:lang="en">
<term>Ascariasis</term>
<term>Elephantiasis, Filarial</term>
<term>Helminthiasis</term>
<term>Necatoriasis</term>
<term>Trichuriasis</term>
</keywords>
<keywords scheme="MESH" qualifier="immunologie" xml:lang="fr">
<term>Antigènes d'helminthe</term>
<term>Ascaridiose</term>
<term>Ascaris lombricoides</term>
<term>Filariose lymphatique</term>
<term>Helminthiase</term>
<term>Necator americanus</term>
<term>Nécatorose</term>
<term>Trichocéphalose</term>
<term>Trichuris</term>
<term>Wuchereria bancrofti</term>
</keywords>
<keywords scheme="MESH" qualifier="immunology" xml:lang="en">
<term>Ascariasis</term>
<term>Ascaris lumbricoides</term>
<term>Elephantiasis, Filarial</term>
<term>Helminthiasis</term>
<term>Necator americanus</term>
<term>Necatoriasis</term>
<term>Trichuriasis</term>
<term>Trichuris</term>
<term>Wuchereria bancrofti</term>
</keywords>
<keywords scheme="MESH" qualifier="parasitologie" xml:lang="fr">
<term>Fèces</term>
<term>Sol</term>
</keywords>
<keywords scheme="MESH" qualifier="parasitology" xml:lang="en">
<term>Feces</term>
<term>Soil</term>
</keywords>
<keywords scheme="MESH" qualifier="transmission" xml:lang="en">
<term>Ascariasis</term>
<term>Elephantiasis, Filarial</term>
<term>Helminthiasis</term>
<term>Necatoriasis</term>
<term>Trichuriasis</term>
</keywords>
<keywords scheme="MESH" qualifier="économie" xml:lang="fr">
<term>Ascaridiose</term>
<term>Filariose lymphatique</term>
<term>Helminthiase</term>
<term>Nécatorose</term>
<term>Services de santé scolaire</term>
<term>Trichocéphalose</term>
</keywords>
<keywords scheme="MESH" qualifier="épidémiologie" xml:lang="fr">
<term>Ascaridiose</term>
<term>Filariose lymphatique</term>
<term>Helminthiase</term>
<term>Nécatorose</term>
<term>Sri Lanka</term>
<term>Trichocéphalose</term>
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<keywords scheme="MESH" xml:lang="en">
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<term>Child</term>
<term>Epidemiological Monitoring</term>
<term>Feasibility Studies</term>
<term>Humans</term>
<term>Parasite Egg Count</term>
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<keywords scheme="MESH" xml:lang="fr">
<term>Animaux</term>
<term>Enfant</term>
<term>Humains</term>
<term>Numération des oeufs de parasites</term>
<term>Épidémiosurveillance</term>
<term>Études de faisabilité</term>
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<front>
<div type="abstract" xml:lang="en">
<p>We explored the practicality of integrating surveillance for soil-transmitted helminthiasis (STH, assessed by Kato-Katz) with transmission assessment surveys for lymphatic filariasis (LF) in two evaluation units (EUs) in Gampaha district, Sri Lanka (population 2.3 million). The surveys were performed 6 years after five annual rounds of mass drug administration with diethylcarbamazine and albendazole. Each transmission assessment survey tested children (
<italic>N</italic>
= 1,462 inland EU; 1,642 coastal EU) sampled from 30 primary schools. Low filarial antigenemia rates (0% and 0.1% for the inland and coastal EUs) suggest that LF transmission is very low in this district. The STH rates and stool sample participation rates were 0.8% and 61% (inland) and 2.8% and 58% (coastal). Most STH detected were low or moderate intensity
<italic>Trichuris trichiura</italic>
infections. The added cost of including STH testing was ∼$5,000 per EU. These results suggest that it is feasible to integrate school-based surveillance for STH and LF.</p>
</div>
</front>
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<name sortKey="De Silva, Nilanthi R" sort="De Silva, Nilanthi R" uniqKey="De Silva N" first="Nilanthi R." last="De Silva">Nilanthi R. De Silva</name>
<name sortKey="Gunawardena, Nipul K" sort="Gunawardena, Nipul K" uniqKey="Gunawardena N" first="Nipul K." last="Gunawardena">Nipul K. Gunawardena</name>
<name sortKey="Gunawardena, Sharmini" sort="Gunawardena, Sharmini" uniqKey="Gunawardena S" first="Sharmini" last="Gunawardena">Sharmini Gunawardena</name>
<name sortKey="Kahathuduwa, Ganga" sort="Kahathuduwa, Ganga" uniqKey="Kahathuduwa G" first="Ganga" last="Kahathuduwa">Ganga Kahathuduwa</name>
<name sortKey="Karunaweera, Nadira D" sort="Karunaweera, Nadira D" uniqKey="Karunaweera N" first="Nadira D." last="Karunaweera">Nadira D. Karunaweera</name>
<name sortKey="Nagodavithana, Kumara C" sort="Nagodavithana, Kumara C" uniqKey="Nagodavithana K" first="Kumara C." last="Nagodavithana">Kumara C. Nagodavithana</name>
<name sortKey="Ranasinghe, Udaya B" sort="Ranasinghe, Udaya B" uniqKey="Ranasinghe U" first="Udaya B." last="Ranasinghe">Udaya B. Ranasinghe</name>
<name sortKey="Rao, Ramakrishna U" sort="Rao, Ramakrishna U" uniqKey="Rao R" first="Ramakrishna U." last="Rao">Ramakrishna U. Rao</name>
<name sortKey="Rebollo, Maria P" sort="Rebollo, Maria P" uniqKey="Rebollo M" first="Maria P." last="Rebollo">Maria P. Rebollo</name>
<name sortKey="Samarasekara, Sandhya D" sort="Samarasekara, Sandhya D" uniqKey="Samarasekara S" first="Sandhya D." last="Samarasekara">Sandhya D. Samarasekara</name>
<name sortKey="Weil, Gary J" sort="Weil, Gary J" uniqKey="Weil G" first="Gary J." last="Weil">Gary J. Weil</name>
</noCountry>
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