Quantitative T1?? and Magnetization Transfer Magnetic Resonance Imaging of Acute Cerebral Ischemia in the Rat
โ Scribed by M??kel??, Heidi I.; Kettunen, Mikko I.; Gr??hn, Olli H. J.; Kauppinen, Risto A.
- Book ID
- 110079184
- Publisher
- Nature Publishing Group
- Year
- 2002
- Tongue
- English
- Weight
- 475 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0271-678X
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## Abstract The ability of onโresonance __T__~1ฯ~ (__T__~1ฯ~) and offโresonance __T__~1ฯ~ (__T__) measurements to indicate acute cerebral ischemia in a rat model of transient middle cerebral artery (MCA) occlusion was investigated at 4.7 T. __T__~1ฯ~ was determined with __B__~1~ fields of 0.4, 0.8,
## Abstract Pathologic changes in brain tissue during and after stroke may lead to injury of the bloodโbrain barrier (BBB) and subsequent hemorrhagic transformation (HT). In a rat model of HT, the apparent diffusion coefficient of water, cerebral blood flow, relaxation times, __T__~1~ and __T__~2~,