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KMID : 1005420110130030239
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Journal of Cerebrovascular and Endovascular Neurosurgery
2011 Volume.13 No. 3 p.239 ~ p.243
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Serum S100B Protein as a Marker of Ischemic Stroke Severity During Hyperacute Stage
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Yang Ji-Won
Shin Dong-Jin
Park Hyeon-Mi
Park Kee-Hyung
Sung Young-Hee
Lee Yeong-Bae
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Abstract
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Objective: Elevation of serum S100B protein has been reported after cerebral ischemic strokes. Previous studies had revealed the positive correlation between peak concentration of serum S100B protein and extent of ischemic stroke. However its peak level usually reaches at 48~72 hours from stroke onset time. We evaluate the usefulness of serum S100B protein during hyperacute stage in the patients with ischemic stroke as a marker for expecting clinical severity and prognosis.
Methods: Total 67 patients who arrived in the Emergency Department within 6 hours from ischemic stroke onset were retrospectively recruited. Subjects were grouped according to the level of serum S100B protein (normal vs elevated group). We analyzed the differences of clinical (National Institute of Health Stroke Scale, NIHSS), laboratory (initial serum glucose, initial systolic blood pressure, lipid profiles, homocysteine) and radiologic (visible lesion in the initial MRI) data between those two groups.
Results: Mean serum S100B protein was normal in 27 patients and elevated in 40 patients. Infarction sizes, cortical lesions and level of serum triglyceride (TG) were significantly different between two groups. There were no significant differences in the age, sex, stroke etiology, initial NIHSS, initial serum glucose, blood pressure and other lipid profiles.
Conclusion: Elevated serum S100B protein in the hyperacute phase of ischemic stroke was correlated with infarction extent, cortical involvement and lower serum TG level. Serum S100B protein may be used as an easily assessable and inexpensive marker for predicting infarction size and cortical involvement during hyperacute stage in patients with ischemic stroke regardless of other clinical factors.
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KEYWORD
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S100 protein, Stroke, Biological Markers
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