Tracer Extraction Fraction

Known as: Extraction Fraction 
The probability of a tracer molecule being retained in a tissue once it has entered via the bloodstream. It can be calculated by: (tracer remaining… (More)
National Institutes of Health

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Highly Cited
2007
Highly Cited
2007
Since Ogawa et al. (Proc Natl Acad Sci USA 1990;87:9868-9872) made the fundamental discovery of blood oxygenation level-dependent… (More)
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Highly Cited
2006
Highly Cited
2006
In humans, adolescent exposure to illicit drugs predicts the onset of adult drug abuse and suggests that early drug use… (More)
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Highly Cited
2004
Highly Cited
2004
OBJECTIVE To use a range of techniques to explore diffusion limitation as a mechanism of cellular hypoxia in the setting of head… (More)
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Highly Cited
2001
Highly Cited
2001
A zone of hypoperfusion surrounding acute intracerebral hemorrhage (ICH) has been interpreted as regional ischemia. To determine… (More)
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Highly Cited
1999
Highly Cited
1999
UNLABELLED In major cerebral arterial occlusive diseases, patients with increased oxygen extraction fraction (OEF), which is… (More)
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Highly Cited
1998
Highly Cited
1998
The physiological parameters measured in the tracer kinetics modeling of data from a dynamic contrast-enhanced magnetic resonance… (More)
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Highly Cited
1996
Highly Cited
1996
We prospectively tested the hypothesis that early recovery after ischemic stroke depends on the ultimate survival of functionally… (More)
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Highly Cited
1996
Highly Cited
1996
BACKGROUND AND PURPOSE The existence in humans of brain tissue at risk for infarction but potentially viable (eg, the penumbra… (More)
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Highly Cited
1986
Highly Cited
1986
The effects of obesity and body fat distribution on splanchnic insulin metabolism and the relationship to peripheral insulin… (More)
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Highly Cited
1981
Highly Cited
1981
Tomographic images of cerebral blood flow (CBF) and oxygen extraction fraction (OEF) using the 15O continuous inhalation… (More)
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