DEMENTIA DEMENTIA IS A LOSS OF INTELLECTUAL FUNCTION. IT IS A BROAD TERM USED TO DESCRIBE A CONDITION WHERE A PERSON EXHIBITS IMPAIRMENTS IN HIGHER CORTICAL FUNCTIONS (language, orientation, perception, agnosias, aprexias, etc), IMPAIRMENTS IN SHORT-TERM MEMORY, WITH OR WITHOUT BEHAVIORAL /PERSONALITY CHANGE IN THE SETTING OF A NORMAL LEVEL OF CONCIOUSNESS.
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DEMENTIA IS A LOSS OF INTELLECTUAL FUNCTION. IT IS A BROAD TERM USED TO DESCRIBE A CONDITION WHERE A PERSON EXHIBITS IMPAIRMENTS IN HIGHER CORTICAL FUNCTIONS.
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DEMENTIADEMENTIAIS A LOSS OF INTELLECTUAL FUNCTION. IT IS A BROAD TERM USED TO DESCRIBE A CONDITION WHERE A PERSON EXHIBITS IMPAIRMENTS IN HIGHER CORTICAL FUNCTIONS (language, orientation, perception, agnosias, aprexias, etc), IMPAIRMENTS IN SHORT-TERM MEMORY, WITH OR WITHOUT BEHAVIORAL /PERSONALITY CHANGE IN THE SETTING OF A NORMAL LEVEL OF CONCIOUSNESS.
DEMENTIADEMENTIAINCIDENCE: About 1-2%/year (Individuals 65 years or greater)
AGE RELATED:
60-69 yrs.: 0.13%
70-79 yrs.: 0.74%
>80 yrs.: 2.17%
DEMENTIADEMENTIAPREVALENCE: About 4.5-50% (Individuals 65 years or greater)
AGE RELATED:
60-64 yrs.: about 1%
65-75 yrs.: about 5-9%
75-85 yrs.: about 10-15%
>85 yrs.: about 50%
OVERALL: 4-5 Million: ALABAMA 79,000
OTHER FACTS ABOUT OTHER FACTS ABOUT ALZHEIMER’S DISEASEALZHEIMER’S DISEASE
1 in 8 people (13%) have AD
½ million cases/yr by 2010; 1 million/yr by 2050
1 case every 77 sec.; by 2050 1 every 33 sec.
Fifth case of death in people older than 60
Morality rate increased by 45% between 2000 and 2005, while it decreased for heart disease, stroke, prostate and breast cancer
OTHER FACTS ABOUT OTHER FACTS ABOUT ALZHEIMER’S DISEASEALZHEIMER’S DISEASE
Direct cost to Medicare/Medicaid and indirect costs to businesses with employees who are caregivers was $148 billion annually.
In 2000, Medicare cost for AD was 3 time higher than for other illnesses ($13,000 vs $4,500)
In 2007, 10 million Americans 18 yrs and older provided 8.4 billion hrs. of unpaid care ($89 million), 4 times what Medicare pays for nursing home care
Figure 2. MRI in(a) normal, (b) mild Alzheimer's disease, and (c) moderate Alzheimer's disease subjects, showing medial temporal atrophy, which is worse on the left in subject (b).