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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Validation of the rapid assessment procedure for loiasis (RAPLOA) in the democratic republic of Congo
Parasites and Vectors, Volume 5, No. 1, Article 25, Year 2012
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Description
Background: A simple method called RAPLOA, to rapidly assess what proportion of people in a community are infected with L. loa and hence which communities are at high risk of severe adverse reactions following ivermectin treatment, was developed in Cameroon and Nigeria. The method needed further validation in other geographical and cultural contexts before its application in all endemic countries. The present study was designed to validate RAPLOA in two regions in the North East and South West of the Democratic Republic of Congo. Methods. In each study region, villages were selected from different bio-ecological zones in order to cover a wide range of loiasis endemicity. In each selected community, 80 people above the age of 15 years were interviewed for a history of eye worm (migration of adult L. loa under the conjunctiva of the eye) and parasitologically examined for the presence and intensity of L. loa infection. In total, 8100 individuals from 99 villages were enrolled into the study. Results: The results confirmed the findings of the original RAPLOA study: i) the eye worm phenomenon was well-known in all endemic areas, ii) there was a clear relationship between the prevalence of eye worm history and the prevalence and intensity of L. loa microfilaraemia, and iii) using a threshold of 40%, the prevalence of eye worm history was a sensitive and specific indicator of high-risk communities. Conclusion: Following this successful validation, RAPLOA was recommended for the assessment of loiasis endemicity in areas targeted for ivermectin treatment by lymphatic filariasis and onchocerciasis control programmes. © 2012 Wanji et al; licensee BioMed Central Ltd.
Authors & Co-Authors
Wanji, Samuel
Cameroon, Buea
University of Buea
Cameroon
Research Foundation for Tropical Diseases and the Environment Refotde
Akotshi, Dowo O.
Congo, Kinshasa Gombe
Ministère de la Santé Publique
Mutro, Maurice N.
Congo
Hôpital Général de Référence de Rethy
Tepage, Floribert
Congo, Kinshasa Gombe
Ministère de la Santé Publique
Ukety, Tony O.
Switzerland, Geneva
Organisation Mondiale de la Santé
Diggle, Peter J.
United Kingdom, Lancaster
Faculty of Health and Medicine, Lancaster University
Remme, Jan Hans F.
Unknown Affiliation
Statistics
Citations: 7
Authors: 7
Affiliations: 6
Identifiers
Doi:
10.1186/1756-3305-5-25
e-ISSN:
17563305
Research Areas
Health System And Policy
Infectious Diseases
Study Design
Cross Sectional Study
Study Locations
Cameroon
Congo
Nigeria