FAQ

Perfusion-Weighted Magnetic Resonance Imaging

Known as: PWI, Perfusion-Weighted MR, Perfusion-Weighted MRI 
A magnetic resonance imaging modality used to quantify the blood supply to an organ or tissue using signal measurement as detected from a… (More)
National Institutes of Health

Topic mentions per year

Topic mentions per year

1977-2017
02040608019772017

Related topics

Related topics

1 relation
Perfusion Magnetic Resonance Imaging

Related mentions per year

Related mentions per year

1977-2018
197019801990200020102020
Perfusion-Weighted Magnetic Resonance Imaging
Perfusion Magnetic Resonance Imaging

Papers overview

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Highly Cited
2008
Highly Cited
2008
Effects of alteplase beyond 3 h after stroke in the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET): a placebo-controlled randomised trial.
BACKGROUND Whether intravenous tissue plasminogen activator (alteplase) is effective beyond 3 h after onset of acute ischaemic… (More)
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Highly Cited
2005
Highly Cited
2005
Refining the perfusion-diffusion mismatch hypothesis.
BACKGROUND AND PURPOSE The Echoplanar Imaging Thrombolysis Evaluation Trial (EPITHET) tests the hypothesis that perfusion… (More)
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Highly Cited
2004
Highly Cited
2004
Comparison of perfusion computed tomography and computed tomography angiography source images with perfusion-weighted imaging and diffusion-weighted imaging in patients with acute stroke of less than…
BACKGROUND AND PURPOSE We aimed to determine the diagnostic value of perfusion computed tomography (PCT) and CT angiography (CTA… (More)
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Highly Cited
2003
Highly Cited
2003
Tracer arrival timing-insensitive technique for estimating flow in MR perfusion-weighted imaging using singular value decomposition with a block-circulant deconvolution matrix.
Relative cerebral blood flow (CBF) and tissue mean transit time (MTT) estimates from bolus-tracking MR perfusion-weighted imaging… (More)
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Highly Cited
2002
Highly Cited
2002
Comparison of admission perfusion computed tomography and qualitative diffusion- and perfusion-weighted magnetic resonance imaging in acute stroke patients.
BACKGROUND AND PURPOSE Besides classic criteria, cerebral perfusion imaging could improve patient selection for thrombolytic… (More)
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Highly Cited
2002
Highly Cited
2002
Diffusion- and perfusion-weighted magnetic resonance imaging of the brain before and after coronary artery bypass grafting surgery.
BACKGROUND AND PURPOSE Coronary artery bypass grafting (CABG) is a frequently performed surgical procedure that can be associated… (More)
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2000
2000
Cerebral hemodynamics in human acute ischemic stroke: a study with diffusion- and perfusion-weighted magnetic resonance imaging and SPECT.
Nineteen patients with acute ischemic stroke (<24 hours) underwent diffusion-weighted and perfusion-weighted (PWI) magnetic… (More)
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2000
2000
Diffusion- and perfusion-weighted magnetic resonance imaging of focal cerebral ischemia and cortical spreading depression under conditions of mild hypothermia.
In a model of experimental stroke, we characterize the effects of mild hypothermia, an effective neuroprotectant, on fluid shifts… (More)
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Highly Cited
1999
Highly Cited
1999
Diffusion- and perfusion-weighted MRI. The DWI/PWI mismatch region in acute stroke.
BACKGROUND AND PURPOSE Diffusion-weighted imaging (DWI) and perfusion-weighted imaging (PWI) are relatively new MR techniques… (More)
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Highly Cited
1999
Highly Cited
1999
Longitudinal magnetic resonance imaging study of perfusion and diffusion in stroke: evolution of lesion volume and correlation with clinical outcome.
A prospective longitudinal diffusion-weighted and perfusion-weighted magnetic resonance imaging (DWI/PWI) study of stroke… (More)
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