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Leucocyte aggregation in acute cerebrovascular disease
A Galante1, M Silvestrini, P Stanzione
1II University of Rome, Italy.
Acta Neurologica Scandinavica
|November 1, 1992
Summary
Leukocyte aggregation, a measure of white blood cell clumping, is significantly elevated in patients experiencing ischemic stroke or transient ischemic attacks (TIA). Higher aggregation correlates with poorer stroke outcomes, suggesting a role in cerebral ischemia.
Area of Science:
- Neurology
- Hematology
- Immunology
Background:
- Cerebral ischemia, including ischemic stroke and transient ischemic attacks (TIA), is a major cause of disability and mortality.
- The role of leukocyte (white blood cell) behavior in the pathophysiology of ischemic events requires further elucidation.
Purpose of the Study:
- To investigate and compare leukocyte aggregation levels in patients with ischemic stroke and TIA compared to healthy controls.
- To determine if leukocyte aggregation correlates with stroke severity and patient outcomes.
Main Methods:
- Leukocyte aggregation was assessed in 26 patients with ischemic stroke and 10 patients with TIA within 24 hours of symptom onset.
- A control group of 30 healthy subjects, matched for age and sex, was included for comparison.
- Statistical analysis, including post hoc Tukey tests, was used to compare aggregation levels between groups and correlate them with outcomes.
Main Results:
- Leukocyte aggregation was significantly higher in patients with ischemic stroke and TIA compared to healthy controls (p < 0.01).
- Patients with ischemic stroke exhibited significantly higher leukocyte aggregation than those with TIA (p = 0.01).
- A significant correlation was observed between higher leukocyte aggregation and poorer outcomes in stroke patients.
Conclusions:
- Leukocyte aggregation is implicated in the pathophysiology of cerebral ischemia.
- Increased leukocyte aggregability may play a crucial role in the progression and severity of ischemic stroke and TIA.