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Ischemic stroke subtypes: risk factors, functional outcome and recurrence.
1Department of Neurology, Medical Faculty, Zonguldak Karaelmas University, Kozlu 67600, Turkey.
Summary
Ischemic stroke subtypes show varied risk factors and outcomes. Lacunar infarct (LAC) patients had milder deficits and better recovery, highlighting subtype differences in stroke prognosis.
Area of Science:
- Neurology
- Internal Medicine
- Cardiovascular Research
Background:
- Ischemic stroke etiology significantly impacts patient prognosis, treatment, and overall outcomes.
- Understanding subtype-specific characteristics is crucial for effective stroke management.
Purpose of the Study:
- To identify risk factors, clinical, and imaging variables across acute ischemic stroke subtypes.
- To compare prognostic differences among these subtypes.
Main Methods:
- Prospective study of 264 acute ischemic stroke patients (1996-2000).
- Classification into four subtypes using Trial of Org 10172 in Acute Stroke Treatment (TOAST) criteria.
- Analysis of demographics, risk factors, infarct characteristics, and patient outcomes.
Main Results:
- Stroke of undetermined etiology (SUE) patients were older; hypertension was more prevalent in lacunar infarct (LAC).
- Large artery atherosclerosis (LAA) showed the largest infarct size; LAC patients presented with milder deficits.
- Higher rates of independence at discharge and 6 months were observed in LAC patients compared to other subtypes.
Conclusions:
- Significant differences exist in risk factors, clinical presentation, and imaging variables among ischemic stroke subtypes.
- Lacunar infarct (LAC) subtype is associated with a more favorable neurological status on admission and during follow-up.