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Influencia de la red social en la aparición de demencia: un estudio longitudinal basado en la comunidad
L Fratiglioni1, H X Wang, K Ericsson
1Stockholm Gerontology Research Centre, and Division of Geriatric Medicine, NEUROTEC, Karolinska Institutet, Stockholm, Sweden. laura.fratiglioni@neurotec.ki.se
Lancet (London, England)
|April 25, 2000
Resumen
Mantener una fuerte red social puede proteger contra la demencia. Las conexiones sociales limitadas aumentan el riesgo de demencia, destacando la importancia de los lazos sociales para la salud cognitiva.
Área de la Ciencia:
- La neurociencia es la neurociencia.
- Gerontología Gerontología.
- Salud Pública La salud pública.
Sus antecedentes:
- Existen datos limitados sobre el impacto de los lazos sociales en el desarrollo de la demencia.
- Las conexiones sociales son cruciales para la salud cognitiva en poblaciones que envejecen.
Objetivo del estudio:
- Investigar el efecto de los componentes de las redes sociales en la incidencia de demencia.
- Explorar cómo los diferentes grados de conexiones sociales influyen en el riesgo de demencia.
Principales métodos:
- Una cohorte comunitaria de 1203 adultos mayores sin demencia en Estocolmo fue seguida durante 3 años.
- El diagnóstico de demencia siguió los criterios del DSM-IV; los datos de las redes sociales se recopilaron a través de entrevistas.
- Las covariables incluyeron edad, sexo, educación, estado cognitivo/funcional, síntomas depresivos y enfermedades vasculares.
Principales resultados:
- Vivir solo o carecer de vínculos sociales cercanos aumentó el riesgo de demencia en 1,5 veces.
- Las personas solteras y las que viven solas tenían un riesgo 1,9 veces mayor en comparación con las personas casadas.
- Un índice integral de redes sociales mostró un aumento del 60% en el riesgo de demencia con redes pobres o limitadas; se observó un gradiente significativo en los grados de conexión social (p = 0.0009).
Conclusiones:
- Una extensa red social parece ser protectora contra la demencia.
- Se necesita más investigación para confirmar estos hallazgos y aclarar los mecanismos subyacentes para posibles estrategias preventivas.
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