scholarly journals Magnetic Resonance Perfusion Imaging in Acute Ischemic Stroke Using Continuous Arterial Spin Labeling

Stroke ◽  
2000 ◽  
Vol 31 (3) ◽  
pp. 680-687 ◽  
Author(s):  
Julio A. Chalela ◽  
David C. Alsop ◽  
Julio B. Gonzalez-Atavales ◽  
Joseph A. Maldjian ◽  
Scott E. Kasner ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Magnetic Resonance ◽  
Acute Ischemic Stroke ◽  
Perfusion Imaging ◽  
Arterial Spin Labeling ◽  
Spin Labeling ◽  
Magnetic Resonance Perfusion ◽  
Magnetic Resonance Perfusion Imaging ◽  
Continuous Arterial Spin Labeling

Arterial spin labeling magnetic resonance perfusion imaging in cerebral ischemia

2014 ◽  
Vol 27 (1) ◽  
pp. 42-53 ◽  
Author(s):  
Nolan S. Hartkamp ◽  
Matthias J.P. van Osch ◽  
Jaap Kappelle ◽  
Reinoud P.H. Bokkers
Keyword(s):  
Cerebral Ischemia ◽  
Magnetic Resonance ◽  
Perfusion Imaging ◽  
Arterial Spin Labeling ◽  
Spin Labeling ◽  
Magnetic Resonance Perfusion ◽  
Magnetic Resonance Perfusion Imaging

scholarly journals Comparison of 10 Different Magnetic Resonance Perfusion Imaging Processing Methods in Acute Ischemic Stroke

Stroke ◽  
2007 ◽  
Vol 38 (12) ◽  
pp. 3158-3164 ◽  
Author(s):  
Ingrid Kane ◽  
Trevor Carpenter ◽  
Francesca Chappell ◽  
Carly Rivers ◽  
Paul Armitage ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Magnetic Resonance ◽  
Acute Ischemic Stroke ◽  
Perfusion Imaging ◽  
Processing Methods ◽  
Imaging Processing ◽  
Magnetic Resonance Perfusion ◽  
Magnetic Resonance Perfusion Imaging

Arterial Spin Labeling Magnetic Resonance Imaging Can Identify the Occlusion Site and Collateral Perfusion in Patients with Acute Ischemic Stroke: Comparison with Digital Subtraction Angiography

2019 ◽  
Vol 48 (1-2) ◽  
pp. 70-76 ◽  
Author(s):  
Yoichi Morofuji ◽  
Nobutaka Horie ◽  
Yohei Tateishi ◽  
Minoru Morikawa ◽  
Susumu Yamaguchi ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Ischemic Stroke ◽  
Magnetic Resonance ◽  
Acute Ischemic Stroke ◽  
Digital Subtraction Angiography ◽  
Arterial Spin Labeling ◽  
Spin Labeling ◽  
Collateral Flow ◽  
Digital Subtraction ◽  
Resonance Imaging

Background and Objectives: Determining the occlusion site and collateral blood flow is important in acute ischemic stroke. The purpose of the current study was to test whether arterial spin labeling (ASL) magnetic resonance imaging (MRI) could be used to identify the occlusion site and collateral perfusion, using digital subtraction angiography (DSA) as a gold standard. Method: Data from 521 consecutive patients who presented with acute ischemic stroke at our institution from January 2012 to September 2014 were retrospectively reviewed. Image data were included in this study if: (1) the patient presented symptoms of acute ischemic stroke; (2) MRI was performed within 24 h of symptom onset; and (3) DSA following MRI was performed (n = 32 patients). We defined proximal intra-arterial sign (IAS) on ASL as enlarged circular or linear bright hyperintense signal within the occluded artery and distal IAS as enlarged circular or linear bright hyperintense signals within arteries inside or surrounding the affected region. The presence or absence of the proximal IAS and distal IAS were assessed, along with their inter-rater agreement and consistency with the presence of occlusion site and collateral flow on DSA images. Results: The sensitivity and specificity for identifying occlusion site with ASL were 82.8 and 100%, respectively. Those for identifying collateral flow with ASL were 96.7 and 50%, respectively. The inter-rater reliability was excellent for proximal IAS (κ = 0.92; 95% CI 0.76–1.00) and substantial for distal IAS detection (κ = 0.78; 95% CI 0.38–1.00). Conclusions: Proximal IAS and distal IAS on ASL imaging can provide important diagnostic clues for the detection of arterial occlusion sites and collateral perfusion in patients with acute ischemic stroke.

Computed tomography and magnetic resonance perfusion imaging in ischemic stroke: Definitions and thresholds

2011 ◽  
Vol 70 (3) ◽  
pp. 384-401 ◽  
Author(s):  
Krishna A. Dani ◽  
Ralph G.R. Thomas ◽  
Francesca M. Chappell ◽  
Kirsten Shuler ◽  
Mary J. MacLeod ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Ischemic Stroke ◽  
Magnetic Resonance ◽  
Perfusion Imaging ◽  
Magnetic Resonance Perfusion ◽  
Magnetic Resonance Perfusion Imaging
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