Fetal brain during a binge drinking episode: a dynamic susceptibility contrast MRI fetal brain perfusion study
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چکیده
منابع مشابه
Fetal brain during a binge drinking episode: a dynamic susceptibility contrast MRI fetal brain perfusion study.
We assessed the effects of a single episode of maternal alcohol intoxication on fetal brain blood perfusion in three pregnant dams (baboons) at the 24th week of pregnancy using dynamic susceptibility contrast magnetic resonance imaging. After the oral administration of alcohol, there was a four-fold increase in the peak contrast concentrations in the fetal brain. In addition, we observed a two-...
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Since the first studies in the late 1980s and early 1990s, dynamic susceptibility contrast MRI (DSC-MRI, also known as ‘bolus tracking’) has become a very powerful technique for the assessment of perfusion, and perfusion-related parameters (see (1,2) for recent reviews). Despite the need of an exogenous MR agent (cf. arterial spin labeling techniques), DSC-MRI is currently the most common MR pe...
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Quantitative cerebral blood flow (CBF) can be obtained from dynamic susceptibility contrast (DSC) MRI using for instance the truncated singular value decomposition (tSVD). Block-circulant SVD and reformulated SVD (rSVD) are modified SVD approaches. The purpose of this study is to compare the different approaches. The optimal truncation thresholds (PSVD) for tSVD and block-circulant SVD are dete...
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In this study, spin-echo and gradient-echo-based perfusion magnetic resonance imaging (MRI) techniques are systematically compared with respect to their application in the human brain. Six healthy subjects were evaluated with both techniques consecutively and injected twice with a gadolinium-based contrast agent. In accordance with theoretical predictions and with previous animal experiments, t...
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ژورنال
عنوان ژورنال: NeuroReport
سال: 2010
ISSN: 0959-4965
DOI: 10.1097/wnr.0b013e32833b5047