Does the Influence of Stroke on Dementia Vary by Different Levels of Prestroke Cognitive Functioning?

News Monday, October 21st, 2013

STROKEAHA: October 17, 2013

Background and Purpose—The association between stroke and subsequent dementia or Alzheimer disease is well established. What is less understood is the extent to which this association is dependent on prestroke cognitive functioning. The study estimated the occurrence in poststroke dementia as a function of prestroke cognitive status and incident stroke.

Methods—Study data were derived from the English Longitudinal Study of Ageing, a 10-year long prospective cohort study of older adults living in England. Baseline data (2002/2003) were used to group participants into tertiles of cognitive, memory, and executive functioning before an incident stroke. Data from 4 follow-up surveys were used to identify new stroke and poststroke dementia events. Read More

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