Autor: |
Charlotte Boullé, Alfred K. Njamnshi, Fidèle Dema, Michel K. Mengnjo, Joseph Nelson Siewe Fodjo, Anne-Cécile Zoung-Kanyi Bissek, Patrick Suykerbuyk, Cédric G. Lenou-Nanga, Hugues C. Nana-Djeunga, Joseph Kamgno, Cédric B. Chesnais, Michel Boussinesq, Robert Colebunders |
Jazyk: |
angličtina |
Rok vydání: |
2019 |
Předmět: |
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Zdroj: |
Parasites & Vectors, Vol 12, Iss 1, Pp 1-13 (2019) |
Druh dokumentu: |
article |
ISSN: |
1756-3305 |
DOI: |
10.1186/s13071-019-3345-7 |
Popis: |
Abstract Background Surveys conducted in 1991–1992 in the Mbam Valley (Cameroon) revealed that onchocerciasis was highly endemic, with community microfilarial loads (CMFL) > 100 microfilariae/snip in some villages. Also in 1991–1992, a survey of suspected cases of epilepsy (SCE) found 746 SCE using a questionnaire administered to individuals identified by key informants, with prevalences reaching 13.6% in some communities. From 1998, annual community-directed treatment with ivermectin (CDTI) was implemented to control onchocerciasis. In 2017, a door-to-door household survey was conducted in three of the villages visited in 1991–1992, using a standardized 5-item epilepsy screening questionnaire. Results In 2017, a total of 2286 individuals living in 324 households were screened (582 in Bayomen, 553 in Ngongol and 1151 in Nyamongo) and 112 SCE were identified (4.9%). Neurologists examined 92 of these SCE and confirmed the diagnosis of epilepsy for 81 of them (3.5%). Between the surveys in 1991–1992 and 2017, the prevalence of SCE decreased from 13.6% to 2.5% in Bayomen (P = 0.001), from 8.7% to 6.6% in Ngongol (P = 0.205) and from 6.4% to 5.4% in Nyamongo (P = 0.282). The median age of SCE shifted from 20 (IQR: 12–23) to 29 years (IQR: 18–33; P = 0.018) in Bayomen, from 16 (IQR: 12–21) to 26 years (IQR: 21–39; P |
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