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Epidemiology of epilepsy in rural Benin: prevalence, incidence, mortality, and follow-up.

Abstract : PURPOSE: Epilepsy is a major clinical and social issue in Africa. This study was conducted to estimate the prevalence, incidence, mortality, and therapeutic outcome in rural Djidja in Benin. METHODS: This was a two-phase study with a cross-sectional phase and 18 months of follow-up. In the first phase, information was obtained using door-to-door surveys, reports from key informants, and medical sources. People were interviewed using a validated screening questionnaire for epilepsy in tropical regions. The diagnosis of epilepsy was confirmed by a neurologist. We used a capture-recapture method to estimate the number of people with epilepsy (PWE). PWE were followed every month for 18 months after the cross-sectional survey. We asked the health services, the general population, and village leaders in the study area to identify suspected cases of epilepsy occurring during the follow-up. New cases were updated every month after confirmation. Antiepileptic drugs were prescribed to PWE. KEY FINDINGS: We surveyed 11,668 subjects (male-to-female ratio 0.9) and identified 123 PWE, yielding a prevalence of 10.5 per 1,000 (95% confidence interval (CI) 8.8-12.6/1,000). Combining the three sources, we found 148 PWE and a prevalence of 12.7 per 1,000 (95% CI 10.7-14.9/1,000). After application of the capture-recapture method, the prevalence was estimated to be as high as 38.4 per 1,000 (95% CI 34.9-41.9/1,000). The cumulative incidence was 104.2 per 100,000 and the mean annual incidence was 69.4 per 100,000. The mean annual mortality was 20.8 per 1,000. After treatment, 45% of PWE had total seizure remission and 35% had a decrease in the number of seizures. SIGNIFICANCE: This study shows that door-to-door survey findings could be improved by using information from other sources. The follow-up suggests that epilepsy could be controlled. Continuous drug delivery and regular follow-up are key.
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Soumis le : mardi 7 janvier 2014 - 12:07:41
Dernière modification le : samedi 26 mars 2022 - 04:24:11




Dismand Stephan Houinato, Luce-Perrine Yemadje, Ghislaine Glitho, Constant Adjien, Gilbert Avode, et al.. Epidemiology of epilepsy in rural Benin: prevalence, incidence, mortality, and follow-up.. Epilepsia, 2013, 54 (4), pp.757-63. ⟨10.1111/epi.12082⟩. ⟨hal-00924924⟩



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