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Neuropsychol Dev Cogn B Aging Neuropsychol Cogn. 2018 Jul;25(4):588-597. doi: 10.1080/13825585.2017.1353679. Epub 2017 Jul 13.

Differences in performance in CAMCOG-R domains between old and oldest old patients with Alzheimer's disease.

Author information

1
a Neurology Department , Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa , Madrid , Spain.

Abstract

The purpose of this study is to evaluate the neuropsychological performance in a ≥90-year-old population with Alzheimer disease (AD) in comparison with younger elderly patients. We retrospectively studied all patients with AD attended in a specialized clinic between 1999 and 2011. Age, sex, educational level, and sensory loss data were collected. Neuropsychological evaluation included Mini-Mental State Examination and Global Deterioration Scale. We used the eight Cambridge Cognitive Assessment (CAMCOG-R) domains to evaluate and compare the neuropsychological performance in the younger than 90 years old (<90) and older than 90 years old (≥90) groups. We selected 2931 patients, 2897 <90 (98.83%) and 34 ≥90 years old (1.17%). The ≥90 group had significant lower punctuations in memory, praxis, and abstract thinking CAMOCG-R domains with 1.49, 0.75, and 0.58 less points, respectively, (p < 0.05). Neuropsychological characteristics of cognitive decline seem to be different in ≥90 compared to <90 years old patients. According to age, the biggest differences in the CAMCOG-R performance are in the memory, praxis, and abstract thinking domains.

KEYWORDS:

CAMCOG; Oldest old; cognitive aging; neuropsychological; nonagenarians

PMID:
28705033
DOI:
10.1080/13825585.2017.1353679
[Indexed for MEDLINE]

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