期刊
TRANSLATIONAL STROKE RESEARCH
卷 1, 期 1, 页码 31-34出版社
SPRINGER
DOI: 10.1007/s12975-009-0008-6
关键词
Cerebral hemorrhage; Iron; T2*magnetic resonance imaging
资金
- National Institutes of Health (NIH) [NS-017760, NS-039866, NS-047245, NS-052510, NS-057539]
The purpose of this study is to examine the utility of magnetic resonance imaging (MRI) T2* sequences as a measure of iron overload in the brain following intracerebral hemorrhage (ICH). We examined the time course of T2* changes in the brain around intracerebral hemorrhages in a series of patients. We also performed a series of experiments in an animal model of ICH, examining the time course of T2* changes along with correlation of these changes with histological markers of ferric iron deposition. We found that T2* changes in the brain occur with increasing intensity and spatial distribution over a 3-month period. Experimental ICH in the rat model induces similar changes, and these changes correlate tightly with histological markers of ferric iron deposition. MRI T2* changes after ICH can be used to measure the degree of iron overload in the brain. The T2* sequence may be useful as a measure of interventions aimed at reducing ICH-related brain injury by reducing iron deposition.
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