Transient ischemic attack: awareness and prevalence in the community
1Bowman Gray School of Medicine, Winston-Salem, NC 27157-1068.
Health Reports
|January 1, 1994
Summary
Transient ischemic attack (TIA), a key stroke predictor, varies in prevalence based on diagnostic criteria. This study found TIA-like events in 5% of women and 3% of men aged 45-64.
Area of Science:
- Neurology
- Epidemiology
Background:
- Transient ischemic attack (TIA) is a critical warning sign for stroke.
- Prevalence estimates for TIA vary significantly due to differing survey methods and symptom inclusion criteria.
Purpose of the Study:
- To determine the prevalence of TIA-like events in a specific age group.
- To identify demographic and symptomatic patterns associated with TIA-like events.
Main Methods:
- Cross-sectional survey of individuals aged 45 to 64.
- Utilized a standardized TIA/stroke questionnaire and an algorithm for data collection.
Main Results:
- Prevalence of TIA-like events was 5% in women and 3% in men.
- Prevalence increased with age in both sexes and was higher in African-Americans compared to Caucasians.
- Most common symptoms included speech changes, dizziness, and loss of balance.
Conclusions:
- TIA-like events affect a notable percentage of the 45-64 age group.
- Age, sex, and race are associated with TIA-like event prevalence.
- Symptom reporting and diagnostic criteria significantly impact TIA prevalence figures.
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