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Vascular dementia can sometimes be triggered by cerebral amyloid angiopathy, which involves accumulation of amyloid beta plaques in the walls of the cerebral arteries, leading to breakdown and rupture of the vessels. [2] [5] Since amyloid plaques are a characteristic feature of Alzheimer's disease, vascular dementia may occur as a consequence ...
There is overlap in the genetic risk factors for DLB, Alzheimer's disease (AD), Parkinson's disease, and Parkinson's disease dementia. [87] [93] The APOE gene has three common variants. One, APOE ε4, is a risk factor for DLB and Alzheimer's disease, whereas APOE ε2 may be protective against both.
The fifth revision of the Diagnostic and Statistical Manual of Mental Disorders gives Lewy body disease as the causative subtype of dementia with Lewy bodies, and Parkinson's disease as the causative subtype of Parkinson's disease dementia. [10] Dementia with Lewy bodies is marked by the presence of Lewy bodies primarily in the cortical regions ...
Also known as “sundowner’s syndrome,” sundowning is a set of symptoms or behaviors that can be seen in some people with Alzheimer’s disease and dementia, according to the Alzheimer’s ...
There are three main histological subtypes found at post-mortem: FTLD-tau, FTLD-TDP, and FTLD-FUS. In rare cases, patients with clinical FTD were found to have changes consistent with Alzheimer's disease on autopsy. [41] The most severe brain atrophy appears to be associated with behavioral variant FTD, and corticobasal degeneration. [42]
By the time a person experiencing Alzheimer's has died, they have usually surpassed the level of brain damage (and associated dementia) that would be associated with sundowning. This hypothesis is, however, supported by the effectiveness of melatonin, a natural hormone, to decrease behavioral symptoms associated with sundowning. The pineal ...
294.1x Dementia due to head trauma (coded 294.1 in the DSM-IV) 294.1x Dementia due to Parkinson's disease (coded 294.9 in the DSM-IV) 294.1x Dementia due to Huntington's disease (coded 294.1 in the DSM-IV) 294.1x Dementia due to Pick's disease (coded 290.10 in the DSM-IV) 294.1x Dementia due to Creutzfeldt–Jakob disease (coded 290.10 in the ...
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