Epidemiology of neurocognitive disorders in adults from urban-marginalized areas: a door-to-door population-based study in Puente Piedra, Lima, Peru

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  • Herrera-Perez, Eder
    • Other Affiliation: Universidad San Ignacio de Loyola
  • Custodio, Nilton
    • Other Affiliation: Instituto Peruano de Neurociencias
  • Diaz, Monica
    • Affiliation: School of Medicine, Department of Neurology
  • Montesinos, Rosa
    • Other Affiliation: Instituto Peruano de Neurociencias
  • Chang, Alexandra
    • Other Affiliation: Universidad Peruana de Ciencias Aplicadas
  • Villafuerte, Mirla
    • Other Affiliation: Edgardo Rebagliati Martins National Hospital
  • Lanata, Serggio
    • Other Affiliation: University of California, San Francisco
Abstract
  • BackgroundIn Latin America (LA), the prevalence of dementia is expected to triple to 150 million people by 2050. The 2020 Lancet Commission report identified several modifiable dementia risk factors, yet few social and environmental factors, most relevant to vulnerable regions of LA, were highlighted in this report. We sought to assess the epidemiology of neurocognitive disorders (NCD) in Puente Piedra, one of the most socially and economically vulnerable districts of Lima, the capital of Peru.MethodologyThis was a cross-sectional door-to-door observational study that used two-stage household sampling. One young adult (30–59 years) and one older adult (>60 years) per household were enrolled. We collected demographic, clinical, and neurocognitive data. Addenbrooke’s Cognitive Examination (young adults) and the RUDAS-PE (older adults) were used, classifying participants as cognitively normal, possible mild NCD, or possible major NCD.ResultsWe enrolled 247 participants (median age 46 years; 67% female). One-fourth had not completed secondary school and more than 50% completed only secondary school. Most participants were housewives (46%) and 21% did not have health insurance. The overall prevalence of possible NCD was 30% (25.6 and 41.8% among younger adults and older adults, respectively). Among younger adults, those ages 55–59 years more frequently had NCD (70%) compared to younger age ranges. Among older adults, only 3 subjects (4.5%) had major NCD.ConclusionWe found a high frequency of possible NCDs in a socially and economically vulnerable community in Lima, Peru, with younger adults showing levels of NCD higher than expected. Our findings support the need for health systems to incorporate cognitive screenings programs for NCD in younger ages. Future research on NCD would include younger populations, particularly in vulnerable communities.
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  • Article
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  • Attribution 4.0 International
Journal title
  • Frontiers in Public Health
Journal volume
  • 11
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  • English
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  • 2296-2565
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  • Frontiers Media

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