Epidemiology of Dementia in Japan

2017 ◽  
pp. 1-10 ◽  
Author(s):  
Takashi Asada
Keyword(s):  
Epidemiology Of Dementia

Prevalence of Cognitive Impairment and Dementia in Malays – Epidemiology of Dementia in Singapore Study

2017 ◽  
Vol 14 (6) ◽  
pp. 620-627 ◽  
Author(s):  
Saima Hilal ◽  
Chuen S. Tan ◽  
Xu Xin ◽  
Shaik M. Amin ◽  
Tien Y. Wong ◽  
...  
Keyword(s):  
Cognitive Impairment ◽  
Epidemiology Of Dementia

scholarly journals White matter network damage mediates association between cerebrovascular disease and cognition

2021 ◽  
pp. 0271678X2199098
Author(s):  
Saima Hilal ◽  
Siwei Liu ◽  
Tien Yin Wong ◽  
Henri Vrooman ◽  
Ching-Yu Cheng ◽  
...  
Keyword(s):  
White Matter ◽  
Cerebrovascular Disease ◽  
Verbal Memory ◽  
Visual Memory ◽  
Diffusion Tensor ◽  
Mean Diffusivity ◽  
Domain Specific ◽  
Epidemiology Of Dementia ◽  
Z Scores ◽  
White Matter Connectivity

To determine whether white matter network disruption mediates the association between MRI markers of cerebrovascular disease (CeVD) and cognitive impairment. Participants (n = 253, aged ≥60 years) from the Epidemiology of Dementia in Singapore study underwent neuropsychological assessments and MRI. CeVD markers were defined as lacunes, white matter hyperintensities (WMH), microbleeds, cortical microinfarcts, cortical infarcts and intracranial stenosis (ICS). White matter microstructure damage was measured as fractional anisotropy and mean diffusivity by tract based spatial statistics from diffusion tensor imaging. Cognitive function was summarized as domain-specific Z-scores. Lacunar counts, WMH volume and ICS were associated with worse performance in executive function, attention, language, verbal and visual memory. These three CeVD markers were also associated with white matter microstructural damage in the projection, commissural, association, and limbic fibers. Path analyses showed that lacunar counts, higher WMH volume and ICS were associated with executive and verbal memory impairment via white matter disruption in commissural fibers whereas impairment in the attention, visual memory and language were mediated through projection fibers. Our study shows that the abnormalities in white matter connectivity may underlie the relationship between CeVD and cognition. Further longitudinal studies are needed to understand the cause-effect relationship between CeVD, white matter damage and cognition.

The Canadian Study of Health and Aging: Organizational Lessons From a National, Multicenter, Epidemiologic Study

2001 ◽  
Vol 13 (S1) ◽  
pp. 233-237 ◽  
Author(s):  
Kenneth Rockwood ◽  
Christina Wolfson ◽  
Ian McDowell
Keyword(s):  
Older People ◽  
Epidemiologic Study ◽  
Canadian Study ◽  
Future Studies ◽  
Strategic Approach ◽  
Epidemiology Of Dementia ◽  
Core Study

The Canadian Study of Health and Aging was a large, multidisciplinary, national core study—with a number of “add-on” investigations—of the epidemiology of dementia and the health of older people. This structure was a fiscally prudent way to balance between mandated and investigator-initiated inquiry. In hindsight, several important features of the study would be repeated. Future studies might profitably consider a longer funding period for analysis, and a more strategic approach to in-depth, supplementary studies.

Some Calculations on the Prevalence of Dementia in Canada

1987 ◽  
Vol 32 (2) ◽  
pp. 81-86 ◽  
Author(s):  
E.R. Jeans ◽  
E. Helmes ◽  
H. Merskey ◽  
J. Mcd. Robertson ◽  
K.A. Rand
Keyword(s):  
Elderly Population ◽  
The Elderly ◽  
Epidemiological Studies ◽  
Age Group ◽  
Specific Population ◽  
Observation Scale ◽  
Epidemiology Of Dementia ◽  
Institutionalized Patients ◽  
Prevalence Of Dementia

The epidemiology of dementia in Canada is not known. However, we report figures on the frequency of dementia in institutions in Ontario based upon the use of a multidimensional observation scale for the assessment of the elderly. These findings on institutionalized patients can be extrapolated to the whole elderly population, but the procedure is clearly too conservative by comparison with findings in other countries and in the light of the known occurrence of numbers of demented patients outside institutions. Ratios in different sutidies for the numbers of patients with dementia outside institutions and within institutions range from 1:1 to 6:1. Using a ratio of 2:1 and applying it to age specific population figures, a prevalence of dementia in Canada of 222,324 for those over 65 is obtained with a rate of 9.4% in that age group. When the figures projected in this way are compared with five epidemiological studies for the rate of dementia elsewhere, the Canadian figure which we have obtained ranks fourth out of six. This estimate provides potential figures on which to base the planning of services, provided that the inferential nature of the estimates is fully recognized.

scholarly journals The Epidemiology of Dementia Associated with Parkinson's Disease

2010 ◽  
Vol 20 (3) ◽  
pp. 633-639 ◽  
Author(s):  
Dag Aarsland ◽  
Martin Wilhelm Kurz
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Epidemiology Of Dementia

Epidemiology of dementia

2016 ◽  
pp. 211-220
Author(s):  
Thais Minett ◽  
Carol Brayne
Keyword(s):  
Epidemiology Of Dementia

scholarly journals Epidemiology of dementia: prevalence and incidence estimates using validated electronic health records from primary care

2019 ◽  
Vol Volume 11 ◽  
pp. 217-228 ◽  
Author(s):  
Anna Ponjoan ◽  
Josep Garre-Olmo ◽  
Jordi Blanch ◽  
Ester Fages ◽  
Lia Alves-Cabratosa ◽  
...  
Keyword(s):  
Primary Care ◽  
Electronic Health Records ◽  
Health Records ◽  
Dementia Prevalence ◽  
Epidemiology Of Dementia ◽  
Electronic Health

New knowledge on the epidemiology of dementia

1999 ◽  
Vol 9 (2) ◽  
pp. 163-182 ◽  
Author(s):  
DWK Kay
Keyword(s):  
Risk Factors ◽  
Cognitive Impairment ◽  
Apolipoprotein E ◽  
Cognitive Deficits ◽  
Population Based ◽  
Vascular Changes ◽  
Apo E ◽  
New Knowledge ◽  
Epidemiology Of Dementia ◽  
Large Output

The last five years have produced a large output on the epidemiology of dementia and cognitive impairment, specially on apolipoprotein E (apo E), vascular changes, and education as risk factors. Minor cognitive deficits have been studied prospectively to assess their value in predicting dementia. Reviews of work from particular centres and articles on special aspects give more detail. Preference is given to population-based over clinic-based studies and to those published in or after 1994.

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