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¿Tiene este paciente demencia?

Tracey Holsinger1, Janie Deveau, Malaz Boustani

  • 1Department of Psychiatry, Durham VA Medical Center, Durham, NC, USA. tracey.holsinger@va.gov

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Resumen

Las pruebas breves de detección cognitiva ayudan al diagnóstico de la demencia en la atención primaria. La pantalla de deterioro de la memoria y los informes de los informantes son prometedores para la detección de deterioro cognitivo en adultos mayores.

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Área de la Ciencia:

  • Gerontología Gerontología.
  • Neurología Neurología.
  • Medicina de la Atención Primaria Medicina de la Atención Primaria.

Sus antecedentes:

  • Millones de personas en los Estados Unidos experimentan demencia o problemas de memoria.
  • La detección temprana del deterioro cognitivo es crucial para el diagnóstico oportuno de la demencia.
  • Las herramientas breves de detección pueden ayudar en los entornos de atención primaria.

Objetivo del estudio:

  • Revisar la literatura sobre la practicidad y precisión de los instrumentos breves de detección cognitiva en la atención primaria.
  • Para actualizar las revisiones anteriores sobre las herramientas de detección cognitiva para la demencia.

Principales métodos:

  • Buscado en las bases de datos MEDLINE y psycINFO (2000-2006).
  • Se incluyeron estudios de pacientes mayores de 60 años con confirmación del diagnóstico de demencia.
  • Evaluó 29 estudios utilizando 25 diferentes instrumentos de selección para la elegibilidad y la calidad.

Principales resultados:

  • Se evaluaron 38 combinaciones únicas de instrumentos y estudios.
  • El examen de estado mental en miniatura (MMSE, por sus siglas en inglés) mostró ratios de probabilidad (LR, por sus siglas en inglés) medianos de 6.3 (positivo) y 0.19 (negativo).
  • La pantalla de deterioro de la memoria (4 min) tenía LR de 33 (positivo) y 0.08 (negativo); los informes de los informantes tenían LR de 6.5 para la demencia.

Conclusiones:

  • Los médicos deben elegir las herramientas de detección primaria en función de la población de pacientes y el conocimiento de los efectos de puntuación demográfica.
  • Considere agregar herramientas secundarias para situaciones específicas.
  • Las pruebas de dibujo de reloj pueden ser útiles, pero requieren una puntuación adecuada y pueden pasar por alto un deterioro leve.