Rapid identification of paragonimiasis foci by lay informants in Lao People's Democratic Republic.

<h4>Background</h4>Paragonimiasis is a food-borne trematodiasis leading to lung disease. Worldwide, an estimated 21 million people are infected. Foci of ongoing transmission remain often unnoticed. We evaluated a simple questionnaire approach using lay-informants at the village level to...

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Autores principales:	Peter Odermatt, Duong Veasna, Wei Zhang, Nanthasane Vannavong, Souraxay Phrommala, Shigehisa Habe, Hubert Barennes, Michel Strobel
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2009
Materias:	Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270
Acceso en línea:	https://doaj.org/article/c745637c9377495d8776ec4fef7fda3b
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spelling	oai:doaj.org-article:c745637c9377495d8776ec4fef7fda3b2021-11-25T06:33:12ZRapid identification of paragonimiasis foci by lay informants in Lao People's Democratic Republic.1935-27271935-273510.1371/journal.pntd.0000521https://doaj.org/article/c745637c9377495d8776ec4fef7fda3b2009-09-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/19771150/pdf/?tool=EBIhttps://doaj.org/toc/1935-2727https://doaj.org/toc/1935-2735<h4>Background</h4>Paragonimiasis is a food-borne trematodiasis leading to lung disease. Worldwide, an estimated 21 million people are infected. Foci of ongoing transmission remain often unnoticed. We evaluated a simple questionnaire approach using lay-informants at the village level to identify paragonimiasis foci and suspected paragonimiasis cases.<h4>Methodology/principal findings</h4>The study was carried out in an endemic area of Lao People's Democratic Republic. Leaders of 49 remote villages in northern Vientiane Province were asked to notify suspected paragonimiasis patients using a four-item questionnaire sent through administrative channels: persons responding positively for having chronic cough (more than 3 weeks) and/or blood in sputum with or without fever. We validated the village leaders' reports in ten representative villages with a door-to-door survey. We examined three sputa of suspected patients for the presence of Paragonimus eggs and acid fast bacilli. 91.8% of village leaders participated and notified a total of 220 suspected patients; 76.2% were eventually confirmed; an additional 138 suspected cases were found in the survey. Sensitivity of village leaders' notice for "chronic cough" and "blood in sputum" was 100%; "blood in sputum" alone reached a sensitivity of 85.7%.<h4>Significance</h4>Our approach led to the identification of three previously unknown foci of transmission. A rapid and simple lay-informant questionnaire approach is a promising low-cost community diagnostic tool of paragonimiasis control programs.Peter OdermattDuong VeasnaWei ZhangNanthasane VannavongSouraxay PhrommalaShigehisa HabeHubert BarennesMichel StrobelPublic Library of Science (PLoS)articleArctic medicine. Tropical medicineRC955-962Public aspects of medicineRA1-1270ENPLoS Neglected Tropical Diseases, Vol 3, Iss 9, p e521 (2009)
institution	DOAJ
collection	DOAJ
language	EN
topic	Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270
spellingShingle	Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 Peter Odermatt Duong Veasna Wei Zhang Nanthasane Vannavong Souraxay Phrommala Shigehisa Habe Hubert Barennes Michel Strobel Rapid identification of paragonimiasis foci by lay informants in Lao People's Democratic Republic.
description	<h4>Background</h4>Paragonimiasis is a food-borne trematodiasis leading to lung disease. Worldwide, an estimated 21 million people are infected. Foci of ongoing transmission remain often unnoticed. We evaluated a simple questionnaire approach using lay-informants at the village level to identify paragonimiasis foci and suspected paragonimiasis cases.<h4>Methodology/principal findings</h4>The study was carried out in an endemic area of Lao People's Democratic Republic. Leaders of 49 remote villages in northern Vientiane Province were asked to notify suspected paragonimiasis patients using a four-item questionnaire sent through administrative channels: persons responding positively for having chronic cough (more than 3 weeks) and/or blood in sputum with or without fever. We validated the village leaders' reports in ten representative villages with a door-to-door survey. We examined three sputa of suspected patients for the presence of Paragonimus eggs and acid fast bacilli. 91.8% of village leaders participated and notified a total of 220 suspected patients; 76.2% were eventually confirmed; an additional 138 suspected cases were found in the survey. Sensitivity of village leaders' notice for "chronic cough" and "blood in sputum" was 100%; "blood in sputum" alone reached a sensitivity of 85.7%.<h4>Significance</h4>Our approach led to the identification of three previously unknown foci of transmission. A rapid and simple lay-informant questionnaire approach is a promising low-cost community diagnostic tool of paragonimiasis control programs.
format	article
author	Peter Odermatt Duong Veasna Wei Zhang Nanthasane Vannavong Souraxay Phrommala Shigehisa Habe Hubert Barennes Michel Strobel
author_facet	Peter Odermatt Duong Veasna Wei Zhang Nanthasane Vannavong Souraxay Phrommala Shigehisa Habe Hubert Barennes Michel Strobel
author_sort	Peter Odermatt
title	Rapid identification of paragonimiasis foci by lay informants in Lao People's Democratic Republic.
title_short	Rapid identification of paragonimiasis foci by lay informants in Lao People's Democratic Republic.
title_full	Rapid identification of paragonimiasis foci by lay informants in Lao People's Democratic Republic.
title_fullStr	Rapid identification of paragonimiasis foci by lay informants in Lao People's Democratic Republic.
title_full_unstemmed	Rapid identification of paragonimiasis foci by lay informants in Lao People's Democratic Republic.
title_sort	rapid identification of paragonimiasis foci by lay informants in lao people's democratic republic.
publisher	Public Library of Science (PLoS)
publishDate	2009
url	https://doaj.org/article/c745637c9377495d8776ec4fef7fda3b
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Rapid identification of paragonimiasis foci by lay informants in Lao People's Democratic Republic.

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