Identifying patient populations at high risk for stroke

Area of Science:

• Neurology
• Epidemiology
• Public Health

Background:

• Acute ischemic stroke treatments have improved, but prevention remains crucial for reducing mortality and morbidity.
• Longitudinal epidemiologic studies have identified numerous risk factors for initial and recurrent strokes.
• Understanding these risk factors is essential for developing effective prevention strategies.

Purpose of the Study:

• To summarize established risk factors for initial and recurrent ischemic stroke.
• To emphasize the importance of identifying high-risk populations for intensive intervention.
• To highlight the need for improved stroke prevention strategies.

Main Methods:

• Review of longitudinal epidemiologic studies identifying stroke risk factors.
• Analysis of nonmodifiable and modifiable risk markers for first ischemic stroke.
• Investigation of predictors for early and late stroke recurrence.

Main Results:

• Nonmodifiable risk factors include age, sex, family history, and race/ethnicity.
• Modifiable risk factors for first stroke include hypertension, cardiac disease (especially atrial fibrillation), diabetes, hyperlipidemia, smoking, alcohol abuse, inactivity, carotid stenosis, and transient ischemic attack.
• Predictors of late stroke recurrence include age, stroke syndrome, hypertension, cardiac disease (especially congestive heart failure), hyperglycemia, and alcohol abuse.

Conclusions:

• Greater emphasis should be placed on identifying high-risk patient populations for intensive risk factor modification.
• Antithrombotic treatments are important for managing stroke risk.
• Improved understanding and management of stroke risk factors will enhance the prevention of first and recurrent ischemic strokes.