ArticleEpilepsia open2024
Epilepsy and neurocysticercosis in rural areas of the Bolivian Chaco: What has changed during the last 30 years?
Article in Epilepsia open, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 4 citations in OpenAlex.
- Taenia solium development and host interactions in neurocysticercosis: a narrative mini review on mechanistic pathways to epileptogenesis.Acta epileptologica · 2026Review
- Subarachnoid neurocysticercosis in a rural area of the Bolivian Chaco: A population-based survey through the use of a novel urine antigen assay.PLoS neglected tropical diseases · 2026Article
- Taenia solium neurocysticercosis: Its current epidemiological, diagnostic, therapeutic, and control landscapes.PLoS neglected tropical diseases · 2026Review
- Unmet needs of women with epilepsy living in rural low- and middle-income countries: The experience of the Bolivian Chaco.Epilepsia open · 2025Article
- Epilepsy and neurocysticercosis in rural areas of the Bolivian Chaco: What has changed during the last 30 years?Epilepsia open · 2024Article
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Authors and funding
12 authors at 4 institutions in 2 countries.
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Abstract
objectiveNeurocysticercosis (NCC) is considered the major cause of epilepsy in endemic regions. In the rural areas of the Bolivian Chaco prevalence of NCC among people with epilepsy (PWE) was 27.4%, according to a population-based survey carried out in 1994. The aim of the study was to estimate the prevalence of Epilepsy Associated with Tonic-Clonic Seizures (EATCS) and to evaluate the prevalence of NCC among PWE in the rural communities of the Bolivian Chaco after 30 years.
methodsTwenty-two rural communities (total population 12 852) were involved in the study. PWE in the study area were ascertained by multiple sources and the diagnosis was confirmed by a neurologist. All PWE identified were invited to undergo brain CT scan examination and diagnosis of NCC was sought according to the revised Del Brutto criteria.
resultsSeventy-eight PWE (30 men, 38.4%; mean age at onset was 12.7 ± 13.2 years) with EATCS were identified giving a crude prevalence of 6.1/1000 (95% CI: 4.7-7.3). Due to the COVID-19 lockdown, the study was interrupted in 2020 and only 36 PWE (46%) of the whole sample underwent CT scan examination. Of these, 8 (22.2%) fulfilled the criteria for NCC of whom 6 (75%) presented only single or multiple calcifications. SIGNIFICANCE: This is the first study reassessing the prevalence of NCC among PWE after 30 years, in the same rural area and using a population-based design. T. solium is still endemic in the Bolivian Chaco where more than 20% of EATCS may be attributable to NCC. Our findings show a substantially unchanged prevalence of NCC over the past 30 years despite improved knowledge, underlining the need for active intervention programs to control T. solium transmission in this area. PLAIN LANGUAGE SUMMARY: Neurocysticercosis is still endemic in the Bolivian Chaco. The proportion of epilepsy attributable to neurocysticercosis is about 22%. Systematic efforts towards elimination of neurocysticercosis in these areas should be implemented.
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