Understanding Alzheimer's disease is challenging for those involved with someone experiencing this condition. The progression of the disease has been defined in different ways. Below are two of the more widely used resources to help you determine the stage at which your loved one may be. |
SYMPTOMS & PROGRESSION OF ALZHEIMER'S DISEASE
from
The 36-Hour Day: A Family Guide to Caring for Persons with Alzheimer Disease, Related Dementing Illnesses, and Memory Loss in Later Life (3rd Edition)
by Nancy L. Mace, Peter V. Rabins
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PHASE 1 |
INVOLVES THE TIME FRAME LEADING UP TO AND INCLUDING DIAGNOSIS
Usually lasts 2 - 4 years
Examples: confusion, forgetfulness, trouble concentrating, inappropriate behavior
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PHASE 2 |
THIS IS USUALLY THE LONGEST PHASE
Lasts 2 - 10 years after diagnosis
Examples: aimlessness, change in walk (begins to shuffle)
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PHASE 3 |
LAST PHASE
Usually no more than 3 years
Examples: communication lost, bowel control lost, prolonged sleeping, difficulty swallowing, skin breakdowns
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REISBERG'S GLOBAL DETERIORATION SCALE
STAGES OF DAT (DEMENTIA of the ALZHEIMER'S TYPE)
Framework is based on a system developed by Barry Reisberg, M.D., Clinical Director of the New York University School of Medicine's Silberstein Aging and Dementia Research Center.
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STAGE |
LEVEL OF FUNCTIONING |
CLINICAL DIAGNOSES |
1 |
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Normal Adult |
2 |
Subjective deficit in word finding
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Normal Aged Adult |
3 |
Deficit in demanding employment settings
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Compatible with incipient DAT |
4 |
Assistance required with complex tasks (Handling finances)
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Mild DAT |
5 |
Assistance required in choosing clothing
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Moderate DAT |
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6A |
Assistance required in putting on clothing
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Moderately severe DAT |
6B |
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6C |
Assistance required with the mechanics of toileting
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6D |
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6E |
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7A |
Speech ability limited to approximately a half-dozen words
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Severe DAT |
7B |
Vocabulary limited to a single word
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7C |
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7D |
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7E |
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7F |
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| More information on Reisberg's Scale can be found at
http://www.alz.org/alzheimers_disease_stages_of_alzheimers.asp |