Soren Christensen

Artificial Neural Network Computer Tomography Perfusion Prediction of Ischemic Core

Aimen S Kasasbeh, Soren Christensen, Mark W Parsons, Bruce Campbell, Gregory W Albers, Maarten G Lansberg

Journal article  |  2019  |  Stroke

Thrombolysis Guided by Perfusion Imaging up to 9 Hours after Onset of Stroke

H Ma, BCV Campbell, MW Parsons, L Churilov, CR Levi, C Hsu, TJ Kleinig, T Wijeratne, S Curtze, HM Dewey, F Miteff, C-H Tsai, J-T Lee, TG Phan, N Mahant, M-C Sun, M Krause, J Sturm, R Grimley, C-H Chen, et al.

Journal article  |  2019  |  New England Journal of Medicine

A Comparison of Relative Time to Peak and Tmax for Mismatch-Based Patient Selection

Anke Wouters, Soren Christensen, Matus Straka, Michael Mlynash, John Liggins, Roland Bammer, Vincent Thijs, Robin Lemmens, Gregory W Albers, Maarten G Lansberg

Journal article  |  2017  |  Frontiers in Neurology

A benchmarking tool to evaluate computer tomography perfusion infarct core predictions against a DWI standard

Carlo W Cereda, Soren Christensen, Bruce CV Campbell, Nishant K Mishra, Michael Mlynash, Christopher Levi, Matus Straka, Max Wintermark, Roland Bammer, Gregory W Albers, Mark W Parsons, Maarten G Lansberg

Journal article  |  2016  |  Journal of Cerebral Blood Flow & Metabolism

Worse stroke outcome in atrial fibrillation is explained by more severe hypoperfusion, infarct growth, and hemorrhagic transformation

Hans TH Tu, Bruce CV Campbell, Soren Christensen, Patricia M Desmond, Deidre A De Silva, Mark W Parsons, Leonid Churilov, Maarten G Lansberg, Michael Mlynash, Jean-Marc Olivot, Matus Straka, Roland Bammer, Gregory W Albers, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2015  |  International Journal of Stroke

STroke imAging pRevention and treatment (START): A longitudinal stroke cohort study: Clinical trials protocol

Leeanne M Carey, Sheila Crewther, Olivier Salvado, Thomas Linden, Alan Connelly, William Wilson, David W Howells, Leonid Churilov, Henry Ma, Tamara Tse, Stephen Rose, Susan Palmer, Pierrick Bougeat, Bruce CV Campbell, Soren Christensen, S Lance Macaulay, Jenny Favaloro, Victoria O' Collins, Simon McBride, Susan Bates, et al.

Journal article  |  2015  |  International journal of stroke

Validity of Acute Stroke Lesion Volume Estimation by Diffusion-Weighted Imaging-Alberta Stroke Program Early Computed Tomographic Score Depends on Lesion Location in 496 Patients With Middle Cerebral Artery Stroke

Julian Schroeder, Bastian Cheng, Martin Ebinger, Martin Koehrmann, Ona Wu, Dong-Wha Kang, David S Liebeskind, Thomas Tourdias, Oliver C Singer, Soren Christensen, Bruce Campbell, Marie Luby, Steven Warach, Jens Fiehler, Jochen B Fiebach, Christian Gerloff, Goetz Thomalla

Journal article  |  2014  |  Stroke

Lesion segmentation from multimodal MRI using random forest following ischemic stroke

Jhimli Mitra, Pierrick Bourgeat, Jurgen Fripp, Soumya Ghose, Stephen Rose, Olivier Salvado, Alan Connelly, Bruce Campbell, Susan Palmer, Gagan Sharma, Soren Christensen, Leeanne Carey

Journal article  |  2014  |  Neuroimage

Reperfusion after 4-5 hours reduces infarct growth and improves clinical outcomes

Miguel R Picanco, Soren Christensen, Bruce CV Campbell, Leonid Churilov, Mark W Parsons, Patricia M Desmond, P Alan Barber, Christopher R Levi, Christopher F Bladin, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2014  |  International Journal of Stroke

Patients with single distal MCA perfusion lesions have a high rate of good outcome with or without reperfusion

Robin Lemmens, Soren Christensen, Matus Straka, Deidre A De Silva, Michael Mlynash, Bruce CV Campbell, Roland Bammer, Jean-Marc Olivot, Patricia Desmond, Michael P Marks, Stephen M Davis, Geoffrey A Donnan, Gregory W Albers, Maarten G Lansberg

Journal article  |  2014  |  International Journal of Stroke

A multicenter, randomized, controlled study to investigate EXtending the time for Thrombolysis in Emergency Neurological Deficits with Intra-Arterial therapy (EXTEND-IA)

Bruce CV Campbell, Peter J Mitchell, Bernard Yan, Mark W Parsons, Soren Christensen, Leonid Churilov, Richard J Dowling, Helen Dewey, Mark Brooks, Ferdinand Miteff, Christopher Levi, Martin Krause, Timothy J Harrington, Kenneth C Faulder, Brendan S Steinfort, Timothy Kleinig, Rebecca Scroop, Steve Chryssidis, Alan Barber, Ayton Hope, et al.

Journal article  |  2014  |  International Journal of Stroke

Prediction of Poststroke Hemorrhagic Transformation Using Computed Tomography Perfusion

Nawaf Yassi, Mark W Parsons, Soren Christensen, Gagan Sharma, Andrew Bivard, Geoffrey A Donnan, Christopher R Levi, Patricia M Desmond, Stephen M Davis, Bruce CV Campbell

Journal article  |  2013  |  Stroke

Penumbral Imaging by Using Perfusion Computed Tomography and Perfusion-Weighted Magnetic Resonance Imaging: Current Concepts

Makoto Sasaki, Kohsuke Kudo, Soren Christensen, Fumio Yamashita, Jonathan Goodwin, Satomi Higuchi, Akira Ogawa

Journal article  |  2013  |  Journal of Stroke & Cerebrovascular Diseases

Assessment of the accuracy of a Bayesian estimation algorithm for perfusion CT by using a digital phantom

Makoto Sasaki, Kohsuke Kudo, Timothe Boutelier, Fabrice Pautot, Soren Christensen, Ikuko Uwano, Jonathan Goodwin, Satomi Higuchi, Kenji Ito, Fumio Yamashita

Journal article  |  2013  |  Neuroradiology: a journal devoted to neuroimaging and interventional neuroradiology

Warfarin-associated intracerebral hemorrhage: Volume, anticoagulation intensity and location

Minmin Ma, Atte Meretoja, Leonid Churilov, Gagan J Sharma, Soren Christensen, Xinfeng Liu, Louise Weir, Stephen M Davis, Bernard Yan

Journal article  |  2013  |  Journal of the Neurological Sciences

Classification forests and Markov random field to segment chronic ischemic infarcts from multimodal MRI

J Mitra, P Bourgeat, J Fripp, S Ghose, S Rose, O Salvado, A Connelly, B Campbell, S Palmer, G Sharma, S Christensen, L Carey

Conference Proceedings  |  2013  |  Multimodal Brain Image Analysis

Failure of collateral blood flow is associated with infarct growth in ischemic stroke

Bruce CV Campbell, Soren Christensen, Brian M Tress, Leonid Churilov, Patricia M Desmond, Mark W Parsons, P Alan Barber, Christopher R Levi, Christopher Bladin, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2013  |  Journal of Cerebral Blood Flow and Metabolism

Comparison of small volume infarcts of lacunar and non-lacunar etiologies

Deidre A De Silva, Eunizar Omar, Jennifer JF Manzano, Soren Christensen, John C Allen, Phillip MW Bath, Hui-Meng Chang, Meng-Cheong Wong, Christopher PLH Chen

Journal article  |  2013  |  International Journal of Stroke

Quantitative CT Densitometry for Predicting Intracerebral Hemorrhage Growth

CD Barras, BM Tress, S Christensen, M Collins, PM Desmond, BE Skolnick, SA Mayer, SM Davis

Journal article  |  2013  |  American Journal of Neuroradiology

Multiattribute selection of acute stroke imaging software platform for Extending the Time for Thrombolysis in Emergency Neurological Deficits (EXTEND) clinical trial

Leonid Churilov, Daniel Liu, Henry Ma, Soren Christensen, Yoshinari Nagakane, Bruce Campbell, Mark W Parsons, Christopher R Levi, Stephen M Davis, Geoffrey A Donnan

Journal article  |  2013  |  International Journal of Stroke

Advanced imaging improves prediction of hemorrhage after stroke thrombolysis

Bruce CV Campbell, Soren Christensen, Mark W Parsons, Leonid Churilov, Patricia M Desmond, P Alan Barber, Kenneth S Butcher, Christopher R Levi, Deidre A De Silva, Maarten G Lansberg, Michael Mlynash, Jean-Marc Olivot, Matus Straka, Roland Bammer, Gregory W Albers, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2013  |  Annals of Neurology

Multiattribute Selection of Acute Stroke Imaging Software Platform for Extending the Time for Thrombolysis in Emergency Neurological Deficits (EXTEND) Clinical Trial

Leonid Churilov, Daniel Liu, Henry Ma, Soren Christensen, Yoshinari Nagakane, Bruce Campbell, Mark W Parsons, Christopher R Levi, Stephen M Davis, Geoffrey A Donnan

Journal article  |  2013  |  International Journal of Stroke

Accuracy and Reliability Assessment of CT and MR Perfusion Analysis Software Using a Digital Phantom

Kohsuke Kudo, Soren Christensen, Makoto Sasaki, Leif Ostergaard, Hiroki Shirato, Kuniaki Ogasawara, Max Wintermark, Steven Warach

Journal article  |  2013  |  Radiology

Predicting Hemorrhagic Transformation in Ischemic Stroke - Very Low Cerebral Blood Volume versus Permeability Analysis

Bruce C Campbell, Soren Christensen, Matus Straka, Michael Mlynash, Gagan Sharma, Mark W Parsons, Geoffrey A Donnan, Stephen M Davis, Roland Bammer, Michael P Marks, Maarten G Lansberg, Gregory W Albers

Conference Proceedings  |  2013  |  STROKE

Comparison of Automated Whole Brain CT Perfusion Analysis with Perfusion-Diffusion MRI in Ischemic Stroke

Bruce C Campbell, Soren Christensen, Nawaf Yassi, Gagan Sharma, Andrew Bivard, LongTin Lin, Christopher R Levi, Patricia M Desmond, Geoffrey A Donnan, Matus Straka, Maarten G Lansberg, Roland Bammer, Gregory W Albers, Stephen M Davis, Mark W Parsons

Conference Proceedings  |  2013  |  STROKE

Quantitative measurements of relative fluid-attenuated inversion recovery (FLAIR) signal intensities in acute stroke for the prediction of time from symptom onset

Bastian Cheng, Mathias Brinkmann, Nils D Forkert, Andras Treszl, Martin Ebinger, Martin Koehrmann, Ona Wu, Dong-Wha Kang, David S Liebeskind, Thomas Tourdias, Oliver C Singer, Soren Christensen, Marie Luby, Steven Warach, Jens Fiehler, Jochen B Fiebach, Christian Gerloff, Goetz Thomalla

Journal article  |  2013  |  Journal of Cerebral Blood Flow and Metabolism

The Effects of Alteplase 3 to 6 Hours After Stroke in the EPITHET-DEFUSE Combined Dataset Post Hoc Case-Control Study

Toshiyasu Ogata, Soren Christensen, Yoshinari Nagakane, Henry Ma, Bruce CV Campbell, Leonid Churilov, Maarten G Lansberg, Matus Straka, Deidre A De Silva, Michael Mlynash, Roland Bammer, Jean-Marc Olivot, Patricia M Desmond, Gregory W Albers, Stephen M Davis, Geoffrey A Donnan

Journal article  |  2013  |  Stroke

Prediction of post thrombolysis hemorrhage using CT perfusion

N Yassi, M Parsons, S Christensen, GJ Sharma, A Bivard, GA Donnan, C Levi, PM Desmond, SM Davis, BC Campbell

Journal article  |  2013  |  Stroke

Hyperintense Vessels on Acute Stroke Fluid-Attenuated Inversion Recovery Imaging Associations With Clinical and Other MRI Findings

Bastian Cheng, Martin Ebinger, Anna Kufner, Martin Koehrmann, Ona Wu, Dong-Wha Kang, David Liebeskind, Thomas Tourdias, Oliver C Singer, Soren Christensen, Steve Warach, Marie Luby, Jochen B Fiebach, Jens Fiehler, Christian Gerloff, Goetz Thomalla

Journal article  |  2012  |  Stroke

Comparison of Computed Tomography Perfusion and Magnetic Resonance Imaging Perfusion-Diffusion Mismatch in Ischemic Stroke

Bruce CV Campbell, Soren Christensen, Christopher R Levi, Patricia M Desmond, Geoffrey A Donnan, Stephen M Davis, Mark W Parsons

Journal article  |  2012  |  Stroke

EXtending the time for Thombolysis in Emergency Neurological Deficits - the EXTEND Trial progress

B Campbell, G Donnan, S Davis, H Ma, S Christensen, A Connelly, L Churilov, D Howells, L Carey, S Bates, B Yan, M Parsons

Journal article  |  2012  |  International Journal of Stroke

Moving Beyond a Single Perfusion Threshold to Define Penumbra A Novel Probabilistic Mismatch Definition

Yoshinari Nagakane, Soren Christensen, Toshiyasu Ogata, Leonid Churilov, Henry Ma, Mark W Parsons, Patricia M Desmond, Christopher R Levi, Kenneth S Butcher, Stephen M Davis, Geoffrey A Donnan

Journal article  |  2012  |  Stroke

Perfusion/Diffusion Mismatch Is Valid and Should Be Used for Selecting Delayed Interventions

Stephen Davis, Bruce Campbell, Soren Christensen, Henry Ma, Patricia Desmond, Mark Parsons, Christopher Levi, Christopher Bladin, P Alan Barber, Geoffrey Donnan

Journal article  |  2012  |  Translational Stroke Research

CT and MR perfusion can discriminate severe cerebral hypoperfusion from perfusion absence: evaluation of different commercial software packages by using digital phantoms

Ikuko Uwano, Kohsuke Kudo, Makoto Sasaki, Soren Christensen, Leif Ostergaard, Kuniaki Ogasawara, Akira Ogawa

Journal article  |  2012  |  Neuroradiology: a journal devoted to neuroimaging and interventional neuroradiology

The Role of Bolus Delay and Dispersion in Predictor Models for Stroke

Lisa Willats, Alan Connelly, Soren Christensen, Geoffrey A Donnan, Stephen M Davis, Fernando Calamante

Journal article  |  2012  |  Stroke

Infarct Growth with and without Intravenous Thrombolysis in Acute Ischemic Stroke Reply

Deidre A De Silva, Leonid Churilov, Jean-Marc Olivot, Soren Christensen, Maarten G Lansberg, Michael Mlynash, Bruce CV Campbell, Patricia Desmond, Matus Straka, Roland Bammer, Gregory W Albers, Stephen M Davis, Geoffrey A Donnan

Journal article  |  2012  |  Annals of Neurology

Assessing Response to Stroke Thrombolysis Validation of 24-Hour Multimodal Magnetic Resonance Imaging

Bruce CV Campbell, Hans TH Tu, Soren Christensen, Patricia M Desmond, Christopher R Levi, Christopher F Bladin, Niels Hjort, Mahmoud Ashkanian, Christine Solling, Geoffrey A Donnan, Stephen M Davis, Leif Ostergaard, Mark W Parsons

Journal article  |  2012  |  Archives of Neurology

The infarct core is well represented by the acute diffusion lesion: sustained reversal is infrequent

Bruce CV Campbell, Archana Purushotham, Soren Christensen, Patricia M Desmond, Yoshinari Nagakane, Mark W Parsons, Maarten G Lansberg, Michael Mlynash, Matus Straka, Deidre A De Silva, Jean-Marc Olivot, Roland Bammer, Gregory W Albers, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2012  |  Journal of Cerebral Blood Flow and Metabolism

The role of bolus delay and dispersion in perdictor models for stroke.

L Willats, A Connelly, S Christensen, GA Donnan, SM Davis, F Calamante

Journal article  |  2012  |  Stroke

A multicentre, randomized, double-blinded, placebo-controlled Phase III study to investigate EXtending the time for Thrombolysis in Emergency Neurological Deficits (EXTEND)

Henry Ma, Mark W Parsons, Soren Christensen, Bruce CV Campbell, Leonid Churilov, Alan Connelly, Bernard Yan, Chris Bladin, Phan Than, Alan P Barber, Stephen Read, Graeme J Hankey, Romesh Markus, Tissa Wijeratne, R Grimley, N Mahant, Tim Kleinig, John Sturm, A Lee, D Blacker, et al.

Journal article  |  2012  |  International Journal of Stroke

Cerebral Blood Flow Is the Optimal CT Perfusion Parameter for Assessing Infarct Core

Bruce CV Campbell, Soren Christensen, Christopher R Levi, Patricia M Desmond, Geoffrey A Donnan, Stephen M Davis, Mark W Parsons

Journal article  |  2011  |  Stroke

Validating a local Arterial Input Function method for improved perfusion quantification in stroke

Lisa Willats, Soren Christensen, Henry K Ma, Geoffrey A Donnan, Alan Connelly, Fernando Calamante

Journal article  |  2011  |  Journal of Cerebral Blood Flow and Metabolism

DWI-FLAIR mismatch for the identification of patients with acute ischaemic stroke within 4-5 h if symptom onset (PRE-FLAIR): a multicentre observational study

Goetz Thomalla, Bastian Cheng, Martin Ebinger, Qing Hao, Thomas Tourdias, Ona Wu, Jong S Kim, Lorenz Breuer, Oliver C Singer, Steven Warach, Soren Christensen, Andras Treszl, Nils D Forkert, Ivana Galinovic, Michael Rosenkranz, Tobias Engelhorn, Martin Koehrmann, Matthias Endres, Dong-Wha Kang, Vincent Dousset, et al.

Journal article  |  2011  |  The Lancet Neurology

Greater Effect of Stroke Thrombolysis in the Presence of Arterial Obstruction

Deidre A De Silva, Leonid Churilov, Jean-Marc Olivot, Soren Christensen, Maarten G Lansberg, Michael Mlynash, Bruce CV Campbell, Patricia Desmond, Matus Straka, Roland Bammer, Gregory W Albers, Stephen M Davis, Geoffrey A Donnan

Journal article  |  2011  |  Annals of Neurology

A Topographic Study of the Evolution of the MR DWI/PWI Mismatch Pattern and Its Clinical Impact A Study by the EPITHET and DEFUSE Investigators

Toshiyasu Ogata, Yoshinari Nagakane, Soren Christensen, Henry Ma, Bruce CV Campbell, Leonid Churilov, Jean-Marc Olivot, Patricia M Desmond, Gregory W Albers, Stephen M Davis, Geoffrey A Donnan

Journal article  |  2011  |  Stroke

RAPID Automated Patient Selection for Reperfusion Therapy A Pooled Analysis of the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET) and the Diffusion and Perfusion Imaging Evaluation for Understanding Stroke Evolution (DEFUSE) Study

Maarten G Lansberg, Jun Lee, Soren Christensen, Matus Straka, Deidre A De Silva, Michael Mlynash, Bruce C Campbell, Roland Bammer, Jean-Marc Olivot, Patricia Desmond, Stephen M Davis, Geoffrey A Donnan, Gregory W Albers

Journal article  |  2011  |  Stroke

Refining the Definition of the Malignant Profile Insights From the DEFUSE-EPITHET Pooled Data Set

Michael Mlynash, Maarten G Lansberg, Deidre A De Silva, Jun Lee, Soren Christensen, Matus Straka, Bruce CV Campbell, Roland Bammer, Jean-Marc Olivot, Patricia Desmond, Geoffrey A Donnan, Stephen M Davis, Gregory W Albers

Journal article  |  2011  |  Stroke

Susceptibility of T-max to tracer delay on perfusion analysis: quantitative evaluation of various deconvolution algorithms using digital phantoms

Kohsuke Kudo, Makoto Sasaki, Leif Ostergaard, Soren Christensen, Ikuko Uwano, Masako Suzuki, Kuniaki Ogasawara, Hiroki Shirato, Akira Ogawa

Journal article  |  2011  |  Journal of Cerebral Blood Flow and Metabolism

Fluid-Attenuated Inversion Recovery Hyperintensity in Acute Ischemic Stroke May Not Predict Hemorrhagic Transformation

Bruce CV Campbell, Craig Costello, Soren Christensen, Martin Ebinger, Mark W Parsons, Patricia M Desmond, P Alan Barber, Kenneth S Butcher, Christopher R Levi, Deidre A De Silva, Maarten G Lansberg, Michael Mlynash, Jean-Marc Olivot, Matus Straka, Roland Bammer, Gregory W Albers, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2011  |  Cerebrovascular Diseases

EPITHET Positive Result After Reanalysis Using Baseline Diffusion-Weighted Imaging/Perfusion-Weighted Imaging Co-Registration

Yoshinari Nagakane, Soren Christensen, Caspar Brekenfeld, Henry Ma, Leonid Churilov, Mark W Parsons, Christopher R Levi, Kenneth S Butcher, Andre Peeters, Alan Barber, Christopher F Bladin, Deidre A De Silva, John Fink, Thomas E Kimber, David W Schultz, Keith W Muir, Brian M Tress, Patricia M Desmond, Stephen M Davis, Geoffrey A Donnan

Journal article  |  2011  |  Stroke

Ischemic diffusion lesion reversal is uncommon and rarely alters perfusion-diffusion mismatch

T Chemmanam, BCV Campbell, S Christensen, Y Nagakane, PM Desmond, CF Bladin, MW Parsons, CR Levi, PA Barber, GA Donnan, SM Davis

Journal article  |  2010  |  Neurology

Pretreatment diffusion-and perfusion-MR lesion volumes have a crucial influence on clinical response to stroke thrombolysis

Mark W Parsons, Soren Christensen, Patrick McElduff, Christopher R Levi, Ken S Butcher, Deidre A De Silva, Martin Ebinger, P Alan Barber, Christopher Bladin, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2010  |  Journal of Cerebral Blood Flow and Metabolism

The Benefits of Intravenous Thrombolysis Relate to the Site of Baseline Arterial Occlusion in the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET)

Deidre A De Silva, Caspar Brekenfeld, Martin Ebinger, Soren Christensen, P Alan Barber, Kenneth S Butcher, Christopher R Levi, Mark W Parsons, Christopher F Bladin, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2010  |  Stroke

Baseline Diabetic Status and Admission Blood Glucose Were Poor Prognostic Factors in the EPITHET Trial

DA De Silva, M Ebinger, S Christensen, MW Parsons, C Levi, K Butcher, PA Barber, C Bladin, GA Donnan, SM Davis

Journal article  |  2010  |  Cerebrovascular Diseases

Postthrombolysis Blood Pressure Elevation Is Associated With Hemorrhagic Transformation

Kenneth Butcher, Soren Christensen, Mark Parsons, Deidre A De Silva, Martin Ebinger, Christopher Levi, Thomas Jeerakathil, Bruce CV Campbell, P Alan Barber, Christopher Bladin, John Fink, Brian Tress, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2010  |  Stroke

Visual Assessment of Perfusion-Diffusion Mismatch Is Inadequate to Select Patients for Thrombolysis

Bruce CV Campbell, Soren Christensen, Sarah J Foster, Patricia M Desmond, Mark W Parsons, Kenneth S Butcher, P Alan Barber, Christopher R Levi, Christopher F Bladin, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2010  |  Cerebrovascular Diseases

Regional Very Low Cerebral Blood Volume Predicts Hemorrhagic Transformation Better Than Diffusion-Weighted Imaging Volume and Thresholded Apparent Diffusion Coefficient in Acute Ischemic Stroke

Bruce CV Campbell, Soren Christensen, Kenneth S Butcher, Ian Gordon, Mark W Parsons, Patricia M Desmond, P Alan Barber, Christopher R Levi, Christopher F Bladin, Deidre A De Silva, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2010  |  Stroke

Assessing Reperfusion and Recanalization as Markers of Clinical Outcomes After Intravenous Thrombolysis in the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET)

Deidre A De Silva, John N Fink, Soren Christensen, Martin Ebinger, Christopher Bladin, Christopher R Levi, Mark Parsons, Ken Butcher, P Alan Barber, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2009  |  Stroke

Clinical-Diffusion Mismatch and Benefit From Thrombolysis 3 to 6 Hours After Acute Stroke

Martin Ebinger, Takeshi Iwanaga, Jane F Prosser, Deidre A De Silva, Soren Christensen, Marnie Collins, Mark W Parsons, Christopher R Levi, Christopher F Bladin, P Alan Barber, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2009  |  Stroke

Comparison of 10 Perfusion MRI Parameters in 97 Sub-6-Hour Stroke Patients Using Voxel-Based Receiver Operating Characteristics Analysis

Soren Christensen, Kim Mouridsen, Ona Wu, Niels Hjort, Henrik Karstoft, Goetz Thomalla, Joachim Roether, Jens Fiehler, Thomas Kucinski, Leif Ostergaard

Journal article  |  2009  |  Stroke

Expediting MRI-Based Proof-of-Concept Stroke Trials Using an Earlier Imaging End Point

Martin Ebinger, Soren Christensen, Deidre A De Silva, Mark W Parsons, Christopher R Levi, Kenneth S Butcher, Christopher F Bladin, P Alan Barber, Geoffrey A Donnan, Stephen M Davis

Journal article  |  2009  |  Stroke

Density and Shape as CT Predictors of Intracerebral Hemorrhage Growth

Christen D Barras, Brian M Tress, Soren Christensen, Lachlan MacGregor, Marnie Collins, Patricia M Desmond, Brett E Skolnick, Stephan A Mayer, Joseph P Broderick, Michael N Diringer, Thorsten Steiner, Stephen M Davis

Journal article  |  2009  |  Stroke

Imaging the penumbra - strategies to detect tissue at risk after ischemic stroke

M Ebinger, DA De Silva, S Christensen, MW Parsons, R Markus, GA Donnan, SM Davis

Journal article  |  2009  |  Journal of Clinical Neuroscience

Inferring origin of vascular supply from tracer arrival timing patterns using bolus tracking MRI

Soren Christensen, Fernando Calamante, Niels Hjort, Ona Wu, Anne Dorte Blankholm, Patricia Desmond, Stephen Davis, Leif Ostergaard

Journal article  |  2008  |  Journal of Magnetic Resonance Imaging

MRI detection of early blood-brain barrier disruption: parenchymal enhancement predicts focal hemorrhagic transformation after thrombolysis.

Niels Hjort, Ona Wu, Mahmoud Ashkanian, Christine Sølling, Kim Mouridsen, Søren Christensen, Carsten Gyldensted, Grethe Andersen, Leif Østergaard

Journal article  |  2008  |  Stroke

BACKGROUND AND PURPOSE: Blood-brain barrier disruption may be a predictor of hemorrhagic transformation (HT) in ischemic stroke. W..

How reliable is perfusion MR in acute stroke? Validation and determination of the penumbra threshold against quantitative PET

Masashi Takasawa, P Simon Jones, Joseph V Guadagno, Soren Christensen, Tim D Fryer, Sally Harding, Jonathan H Gillard, Guy B Williams, Franklin I Aigbirhio, Elizabeth A Warburton, Leif Ostergaard, Jean-Claude Baron

Journal article  |  2008  |  Stroke

Are shape irregularity and density heterogeneity on CT predictors of hematoma growth in intracerebral hemorrhage?

C BARRAS, S CHRISTENSEN, LM MacGregor, B TRESS, D DE SILVA, S DAVIS

Conference Proceedings  |  2008  |  Cerebrovascular Diseases

Optimizing mismatch definitions in acute stroke MRI - an EPITHET post hoc study

S CHRISTENSEN, MWP Parsons, D DE SILVA, ME Ebinger, K BUTCHER, JF Fink, P DESMOND, P BARBER, C BLADIN, CL Levi, G DONNAN, S DAVIS

Conference Proceedings  |  2008  |  Internal Medicine Journal

Density heterogeneity: a novel independent CT growth predictor in intracerebral haemorrhage

C BARRAS, S CHRISTENSEN, LM MacGregor, B TRESS, undefined Collins, S DAVIS

Conference Proceedings  |  2008  |  Internal Medicine Journal