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Ischemia-modified albumin in acute stroke
Halim Abboud1, Julien Labreuche, Elena Meseguer
1Department of Neurology and Stroke Center, Bichat University Hospital, Denis Diderot University and Medical School, Paris, France.
Cerebrovascular Diseases (Basel, Switzerland)
|December 5, 2006
Summary
Ischemia-modified albumin (IMA) shows potential as a biomarker for early acute stroke identification. IMA levels increased in brain infarction patients but remained stable in brain hemorrhage patients within 24 hours.
Area of Science:
- Biochemistry
- Neurology
- Clinical Diagnostics
Background:
- Ischemia-modified albumin (IMA) is an emerging biomarker for ischemia.
- Previous research confirmed elevated serum IMA in myocardial ischemia.
- The impact of stroke on IMA blood levels remains under-investigated.
Purpose of the Study:
- To investigate whether stroke influences ischemia-modified albumin (IMA) blood levels.
- To evaluate IMA as a potential early diagnostic marker for acute stroke.
Main Methods:
- 118 patients presenting with acute neurological deficits were studied.
- Serum samples were collected at presentation and at 6, 12, and 24 hours for stroke patients.
- Ischemia-modified albumin (IMA) was quantified using the albumin-cobalt-binding test.
Main Results:
- Initial IMA levels were similar in brain infarction (BI) and brain hemorrhage (ICH) patients but higher than in other neurological deficits.
- Baseline IMA levels showed a correlation with the National Institutes of Health Stroke Scale in both BI and ICH.
- IMA levels significantly increased in BI patients within 24 hours, while ICH patients showed no significant change.
Conclusions:
- IMA blood levels may serve as a valuable biomarker for the early detection of acute stroke.
- Further research is warranted to establish the role of IMA in acute stroke diagnostics.
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