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TIA and dementia risk correlation study

Overview

Research published in the journal Neurology indicates a significant correlation between transient ischemic attacks (TIAs), or mini-strokes, and an increased long-term risk of dementia.

Analyzing approximately 20 years of health data from over 110,000 individuals in Ontario, Canada, researchers found that those who experienced a TIA had a 34% higher overall risk of dementia compared to those without a history of stroke or TIA. During an average seven-year follow-up, roughly one in five TIA patients developed dementia. The risk appeared most acute in the first year following the event, with TIA patients showing a 75% higher risk of diagnosis during that period.

While the study establishes a correlation, researchers noted it does not prove that TIAs directly cause dementia. The findings suggest that medical prevention strategies for TIA patients should expand beyond stroke prevention to include monitoring and addressing potential cognitive decline.

Entities

American Academy of Neurology · Population Health Research Institute · McMaster University · Raed A. Joundi · Ontario

Timeline

  1. [HEALTH] 2 sources
    Mini-strokes linked to higher long-term dementia risk

    A Canadian study published in Neurology finds that transient ischemic attacks (mini-strokes) are associated with a 34% higher long-term risk of dementia.

  2. [HEALTH] 2 sources
    Transient ischemic attacks linked to higher dementia risk

    A study published in Neurology® finds that transient ischemic attacks (TIAs) are associated with a 34% higher risk of developing dementia over a seven-year period.

Sources

knowridge.com · news-medical.net · newswise.com · southfloridareporter.com