Burden of adult neurological diseases in Odeda Area, Southwest Nigeria

BackgroundFew population-based studies have been conducted to determine the burden of neurological diseases in sub-Saharan Africa. A better understanding of the magnitude and impact of these disorders is pivotal to effective planning and provision of neurological services.MethodsA cross-sectional su...

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Bibliographic Details
Published in:BMJ neurology open 2020-08, Vol.2 (2), p.e000062-e000062
Main Authors: Otubogun, Folajimi Morenikeji, Akinyemi, Rufus, Ogunniyi, Sola
Format: Article
Language:English
Subjects:
Adults
Age groups
Disability
Local government
neuroepidemiology
Neurological disorders
Neurology
Original Research
Polls & surveys
Population
Population-based studies
Public health
Rural areas
Sampling techniques
Sociodemographics
tropical neurology
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Summary:BackgroundFew population-based studies have been conducted to determine the burden of neurological diseases in sub-Saharan Africa. A better understanding of the magnitude and impact of these disorders is pivotal to effective planning and provision of neurological services.MethodsA cross-sectional survey of 2392 adults in Odeda Local Government Area, Ogun State, Southwest Nigeria was conducted between May and June 2015. Trained non-medical interviewers administered a screening instrument designed to measure the prevalence of neurological diseases and disability, while positive responders were subsequently examined by neurologists. Diagnoses were made clinically according to well-established criteria.ResultsThe mean age of respondents was 37.2±16.1 years. A total of 842 cases of neurological diseases/disability were diagnosed in 815 individuals (26 individuals with more than one disorder). The all-cause neurological morbidity rate was 352 per 1000, while the crude prevalence rates of common neurological disorders were 304.3 per 1000 for primary headaches, 16.3 per 1000 for tropical ataxic neuropathy, 7.11 per 1000 for stroke, 5.85 per 1000 for essential tremor and 4.18 per 1000 for Parkinson’s disease. Neurological years lost due to disability was 2806.18 per 100 000.ConclusionThis study provides evidence of a high neurological disease burden within the communities surveyed, which may be representative of Southwest Nigeria. In comparison with findings from previous studies within the same region, this report suggests a persistence of toxiconutritional disorders and postinfectious neurological sequelae on one hand and increased prevalence of non-communicable neurological disorders such as stroke and Parkinson’s disease.
ISSN:2632-6140
2632-6140
DOI:10.1136/bmjno-2020-000062