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Current Aging Science


ISSN (Print): 1874-6098
ISSN (Online): 1874-6128

Research Article

Factors of Rapid Cognitive Decline in Late Onset Alzheimer's Disease

Author(s): Pierre Koskas, Marie Cecile Henry-Feugeas, Jean-Paul Feugeas, Phalla Ou and Olivier Drunat

Volume 10, Issue 2, 2017

Page: [129 - 135] Pages: 7

DOI: 10.2174/1874609810666170102143257

Price: $65


Background: Rapid Cognitive Decline (RCD) in Alzheimer’s Disease (AD) is associated with a worse disease progression. There is no consensual predictor of RCD and only a few studies have focused on RCD in late-onset dementia, the most common form of AD.

Objective: To identify the predictors of RCD, in a population of community-dwelling patients with recently diagnosed late onset AD.

Methods: Community-dwelling subjects aged >75 consulting for the first time in Old Age Memory outpatient center from 2009 to 2012 were considered. All patients underwent a standardized clinical dementia investigation. Patients were classified as rapid decliners when they demonstrated a loss of 3 points or greater in MMSE during the first six months.

Results: 130 patients were included (42 males, 88 females, mean ages 82.7±4.58). The average baseline MMSE score was 23.36±3.78. In regression analysis, the Free Recall Scores, categorical fluency scores were the most highly predictive of RCD.

Conclusion: These results are important for the design of clinical trials and also, in clinical practice, for both physicians and families in planning long-term care.

Keywords: Alzheimer, cognitive tests, elderly, rapid cognitive decline, Free Recall, categorical fluency.

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