Andrew Bivard

Abnormalities on Perfusion CT and Intervention for Intracranial Hypertension in Severe Traumatic Brain Injury

Shannon Cooper, Cino Bendinelli, Andrew Bivard, Mark Parsons, Zsolt J Balogh

Journal article  |  2020  |  Journal of Clinical Medicine

The role of invasive intracranial pressure (ICP) monitoring in patients with severe traumatic brain injury (STBI) remain unclear. ..

Permeability measures predict haemorrhagic transformation after ischemic stroke.

Andrew Bivard, Timothy Kleinig, Leonid Churilov, Christopher Levi, Longting Lin, Xin Cheng, Chushuang Chen, Richard Aviv, Philip Choi, Neil J Spratt, Kenneth Butcher, Qiang Dong, Mark Parsons

Journal article  |  2020  |  Annals of Neurology

OBJECTIVE: We sought to examine the diagnostic utility of existing predictors of any haemorrhagic transformation (HT) and compare ..

Cognition in the First Year After a Minor Stroke, Transient Ischemic Attack, or Mimic Event and the Role of Vascular Risk Factors

Korinne Nicolas, Christopher Levi, Tiffany-Jane Evans, Patricia T Michie, Parker Magin, Debbie Quain, Andrew Bivard, Frini Karayanidis

Journal article  |  2020  |  Frontiers in Neurology

Background: Cognitive impairment following a minor stroke or transient ischemic attack (TIA) is common; however, due to diagnostic..

Developing a multivariable prediction model for functional outcome after reperfusion therapy for acute ischaemic stroke: study protocol for the Targeting Optimal Thrombolysis Outcomes (TOTO) multicentre cohort study

Elizabeth Holliday, Thomas Lillicrap, Timothy Kleinig, Philip MC Choi, Jane Maguire, Andrew Bivard, Lisa F Lincz, Monica Anne Hamilton-Bruce, Sushma R Rao, Marten F Snel, Paul J Trim, Longting Lin, Mark W Parsons, Bradford B Worrall, Simon Koblar, John Attia, Chris Levi

Journal article  |  2020  |  BMJ Open

INTRODUCTION: Intravenous thrombolysis (IVT) with recombinant tissue plasminogen activator (rt-PA) is the only approved pharmacolo..

Perfusion Computed Tomography Accurately Quantifies Collateral Flow After Acute Ischemic Stroke

Longting Lin, Chushuang Chen, Huiqiao Tian, Andrew Bivard, Neil Spratt, Christopher R Levi, Mark W Parsons

Journal article  |  2020  |  Stroke

Background and Purpose- This study aimed to derive and validate an optimal collateral measurement on computed tomographic perfusio..

Gradient of Tissue Injury after Stroke: Rethinking the Infarct versus Noninfarcted Dichotomy

Felix Ng, Vijay Venkatraman, Mark Parsons, Andrew Bivard, Gagan Sharma, Leonid Churilov, Patricia Desmond, Stephen M Davis, Nawaf Yassi, Bruce Campbell

Journal article  |  2020  |  Cerebrovascular Diseases

AIM: To evaluate the degree of variability in microstructural injury within and adjacent to regions identified as infarcted tissue..

No Evidence of the "Weekend Effect" in the Northern New South Wales Telestroke Network

Thomas Lillicrap, Alex Pinheiro, Ferdinand Miteff, Pablo Garcia-Bermejo, Shyam Gangadharan, Thomas Wellings, Billy O'Brien, James Evans, Khaled Alanati, Andrew Bivard, Mark Parsons, Christopher Levi, Carlos Garcia-Esperon, Neil Spratt

Journal article  |  2020  |  Frontiers in Neurology

Background: Admission outside normal business hours has been associated with prolonged door-to-treatment times and poorer patient ..

Cluster-Randomized Trial of Thrombolysis Implementation Support in Metropolitan and Regional Australian Stroke Centers: Lessons for Individual and Systems Behavior Change

Christopher R Levi, John A Attia, Cate D'Este, Annika E Ryan, Frans Henskens, Erin Kerr, Mark W Parsons, Robert W Sanson-Fisher, Christopher F Bladin, Richard Lindley, Sandy Middleton, Christine L Paul

Journal article  |  2020  |  Journal of the American Heart Association

Background Intravenous thrombolytic therapy (IVT) with tissue plasminogen activator for acute ischemic stroke is underutilized in ..

Computed Tomography Perfusion Identifies Patients With Stroke With Impaired Cardiac Function

Carlos Garcia-Esperon, Neil J Spratt, Shyam Gangadharan, Ferdinand Miteff, Andrew Bivard, Thomas Lillicrap, Shinya Tomari, Christopher R Levi, Mark W Parsons

Journal article  |  2020  |  Stroke

Background and Purpose- Low left ventricular ejection fraction (LVEF) leads to worse outcomes after stroke. We hypothesized that t..

Automated CT perfusion imaging for acute ischemic stroke Pearls and pitfalls for real-world use

Achala Vagal, Max Wintermark, Kambiz Nael, Andrew Bivard, Mark Parsons, Aaron W Grossman, Pooja Khatri

Journal article  |  2019  |  Neurology

Recent positive trials have thrust acute cerebral perfusion imaging into the routine evaluation of acute ischemic stroke. Updated ..

Comparing mismatch strategies for patients being considered for ischemic stroke tenecteplase trials

Andrew Bivard, Xuya Huang, Christopher R Levi, Bruce CV Campbell, Bharath K Cheripelli, Chushuang Chen, Dheeraj Kalladka, Fiona C Moreton, Ian Ford, Stephen M Davis, Geoffrey A Donnan, Keith W Muir, Mark W Parsons

Journal article  |  2019  |  International Journal of Stroke

BACKGROUND: Currently there are multiple variations of imaging-based patient selection mismatch methods in ischemic stroke. In the..

Dynamic CT but Not Optimized Multiphase CT Angiography Accurately Identifies CT Perfusion Target Mismatch Ischemic Stroke Patients

Huiqiao Tian, Chushuang Chen, Carlos Garcia-Esperon, Mark W Parsons, Longting Lin, Christopher R Levi, Andrew Bivard

Journal article  |  2019  |  Frontiers in Neurology

Implementation of multimodal computed tomography in a telestroke network: Five-year experience

Carlos Garcia-Esperon, Frode Soderhjelm Dinkelspiel, Ferdi Miteff, Shyam Gangadharan, Tom Wellings, Bill O'Brien, James Evans, Tom Lillicrap, Jelle Demeestere, Andrew Bivard, Mark Parsons, Chris Levi, Neil James Spratt, Rachel Peake, James Hughes, Lisa Dark, Nick Ryan, Matt Shepherd, Osama Ali, James Wills, et al.

Journal article  |  2019  |  CNS Neuroscience & Therapeutics

Exploring the relationship between ischemic core volume and clinical outcomes after thrombectomy or thrombolysis

Chushuang Chen, Mark W Parsons, Christopher R Levi, Neil J Spratt, Ferdinand Miteff, Longting Lin, Xin Cheng, Min Lou, Tim Kleinig, Kenneth Butcher, Qiang Dong, Andrew Bivard

Journal article  |  2019  |  Neurology

Extending thrombolysis to 4.5-9 h and wake-up stroke using perfusion imaging: a systematic review and meta-analysis of individual patient data

Bruce C Campbell, Henry Ma, Peter A Ringleb, Mark W Parsons, Leonid Churilov, Martin Bendszus, Christopher R Levi, Chung Hsu, Timothy J Kleinig, Marc Fatar, Didier Leys, Carlos Molina, Tissa Wijeratne, Sami Curtze, Helen M Dewey, P Alan Barber, Kenneth S Butcher, Deidre A De Silva, Christopher F Bladin, Nawaf Yassi, et al.

Journal article  |  2019  |  The Lancet

Modafinil treatment modulates functional connectivity in stroke survivors with severe fatigue

Milanka M Visser, Peter Goodin, Mark W Parsons, Thomas Lillicrap, Neil J Spratt, Christopher R Levi, Andrew Bivard

Journal article  |  2019  |  Scientific Reports

Cerebral blood volume lesion extent predicts functional outcome in patients with vertebral and basilar artery occlusion

Fana Alemseged, Darshan G Shah, Andrew Bivard, Timothy J Kleinig, Nawaf Yassi, Marina Diomedi, Francesca Di Giuliano, Gagan Sharma, Roy Drew, Bernard Yan, Richard J Dowling, Steven Bush, Fabrizio Sallustio, Carlo Caltagirone, Nicola B Mercuri, Roberto Floris, Mark W Parsons, Christopher R Levi, Peter J Mitchell, Stephen M Davis, et al.

Journal article  |  2019  |  International Journal of Stroke

Background CT perfusion may improve diagnostic accuracy in posterior circulation stroke. The posterior circulation Acute Stroke Pr..

Influence of occlusion site and baseline ischemic core on outcome in patients with ischemic stroke

Huiqiao Tian, Mark W Parsons, Christopher R Levi, Longting Lin, Richard I Aviv, Neil J Spratt, Kenneth S Butcher, Min Lou, Timothy J Kleinig, Andrew Bivard

Journal article  |  2019  |  Neurology

OBJECTIVE: We assessed patient clinical outcomes based on occlusion location, focusing on distal occlusions to understand if occlu..

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

When a Slice Is Not Enough! Comparison of Whole-Brain versus Standard Limited-Slice Perfusion Computed Tomography in Patients with Severe Traumatic Brain Injury

Shannon Cooper, Cino Bendinelli, Andrew Bivard, Mark Parsons, Zsolt J Balogh

Journal article  |  2019  |  Journal of Clinical Medicine

Predicting Modafinil-Treatment Response in Poststroke Fatigue Using Brain Morphometry and Functional Connectivity

Milanka M Visser, Benedicte Marechal, Peter Goodin, Thomas P Lillicrap, Carlos Garcia-Esperon, Neil J Spratt, Mark W Parsons, Christopher R Levi, Andrew Bivard

Journal article  |  2019  |  Stroke

The blood pressure paradox in acute ischemic stroke

Lan Hong, Xin Cheng, Longting Lin, Andrew Bivard, Yifeng Ling, Kenneth Butcher, Qiang Dong, Mark Parsons, Neil Spratt, Christopher Levi, Philip MC Choi, Timothy Kleining, Billy O'Brien, Min Lou

Journal article  |  2019  |  Annals of Neurology

Thresholds for infarction vary between gray matter and white matter in acute ischemic stroke: A CT perfusion study

Chushuang Chen, Andrew Bivard, Longting Lin, Christopher R Levi, Neil J Spratt, Mark W Parsons

Journal article  |  2019  |  Journal of Cerebral Blood Flow & Metabolism

White Matter Degeneration after Ischemic Stroke: A Longitudinal Diffusion Tensor Imaging Study

Milanka M Visser, Nawaf Yassi, Bruce CV Campbell, Patricia M Desmond, Stephen M Davis, Neil Spratt, Mark Parsons, Andrew Bivard

Journal article  |  2019  |  Journal of Neuroimaging

Do powered over-ground lower limb robotic exoskeletons affect outcomes in the rehabilitation of people with acquired brain injury?

Nicola Postol, Jodie Marquez, Stephanie Spartalis, Andrew Bivard, Neil James Spratt

Journal article  |  2019  |  Disability and Rehabilitation: Assistive Technology

PURPOSE: To assess the effects of lower limb robotic exoskeletons on outcomes in the rehabilitation of people with acquired brain ..

Single-phase CT angiography: collateral grade is independent of scan weighting

Daniel-Alexandre Bisson, David Mahmoudian, Anwar S Shatil, Ghouth Waggass, Liying Zhang, Christopher Levi, Neil J Spratt, Longting Lin, David Liebeskind, Mark Parsons, Andrew Bivard, Richard I Aviv

Journal article  |  2019  |  Neuroradiology

Identification of Corticospinal Tract Lesion for Predicting Outcome in Small Perfusion Stroke

Ying Zhou, Ruiting Zhang, Shenqiang Yan, Meixia Zhang, Zhicai Chen, Haitao Hu, Minming Zhang, Andrew Bivard, Longting Lin, Mark W Parsons, Min Lou

Journal article  |  2018  |  Stroke

Cost-effectiveness of targeted thrombolytic therapy for stroke patients using multi-modal CT compared to usual practice

Penny Reeves, Kim Edmunds, Christopher Levi, Longting Lin, Xin Cheng, Richard Aviv, Tim Kleinig, Kenneth Butcher, Jingfen Zhang, Mark Parsons, Andrew Bivard

Journal article  |  2018  |  PLOS ONE

Growth Hormone Deficiency Is Frequent After Recent Stroke

Thomas Lillicrap, Carlos Garcia-Esperon, Frederick Rohan Walker, Lin Kooi Ong, Michael Nilsson, Neil Spratt, Christopher R Levi, Mark Parsons, Jorgen Isgaard, Andrew Bivard

Journal article  |  2018  |  Frontiers in Neurology

Use of computed tomography perfusion for acute stroke in routine clinical practice: Complex scenarios, mimics, and artifacts

Carlos Garcia-Esperon, Andrew Bivard, Christopher Levi, Mark Parsons

Journal article  |  2018  |  International Journal of Stroke

Intravenous Thrombolysis May Not Improve Clinical Outcome of Acute Ischemic Stroke Patients Without a Baseline Vessel Occlusion

Huiqiao Tian, Mark W Parsons, Christopher R Levi, Xin Cheng, Richard Aviv, Neil J Spratt, Timothy J Kleinig, Billy O'Brien, Kenneth S Butcher, Longting Lin, Jingfen Zhang, Qiang Dong, Chushuang Chen, Andrew Bivard

Journal article  |  2018  |  Frontiers in Neurology

Computed Tomographic Perfusion Predicts Poor Outcomes in a Randomized Trial of Endovascular Therapy

Robert Wannamaker, Taurian Guinand, Bijoy K Menon, Andrew Demchuk, Mayank Goyal, Donald Frei, Aditya Bharatha, Tudor G Jovin, Jai Shankar, Timo Krings, Blaise Baxter, Christine Holmstedt, Richard Swartz, Dar Dowlatshahi, Richard Chan, Donatella Tampieri, Hana Choe, Paul Burns, Nina Gentile, Jeremy Rempel, et al.

Journal article  |  2018  |  Stroke

Growth Hormone Improves Cognitive Function After Experimental Stroke

Lin Kooi Ong, Wei Zhen Chow, Clifford Tebay, Murielle Kluge, Giovanni Pietrogrande, Katarzyna Zalewska, Patricia Crock, David Aberg, Andrew Bivard, Sarah J Johnson, Frederick R Walker, Michael Nilsson, Jorgen Isgaard

Journal article  |  2018  |  Stroke

Short- and Long-Term Efficacy of Modafinil at Improving Quality of Life in Stroke Survivors: A Post Hoc Sub Study of the Modafinil in Debilitating Fatigue After Stroke Trial

Thomas P Lillicrap, Christopher R Levi, Elizabeth Holliday, Mark William Parsons, Andrew Bivard

Journal article  |  2018  |  FRONTIERS IN NEUROLOGY

Correction for Delay and Dispersion Results in More Accurate Cerebral Blood Flow Ischemic Core Measurement in Acute Stroke

Longting Lin, Andrew Bivard, Timothy Kleinig, Neil J Spratt, Christopher R Levi, Qing Yang, Mark W Parsons

Journal article  |  2018  |  Stroke

Tissue Is More Important than Time in Stroke Patients Being Assessed for Thrombolysis

Andrew Bivard, Neil Spratt, Ferdinand Miteff, Christopher Levi, Mark William Parsons

Journal article  |  2018  |  Frontiers in Neurology

Transient Ischemic Attack Results in Delayed Brain Atrophy and Cognitive Decline

Andrew Bivard, Thomas Lillicrap, Benedicte Marechal, Carlos Garcia-Esperon, Elizabeth Holliday, Venkatesh Krishnamurthy, Christopher R Levi, Mark Parsons

Journal article  |  2018  |  Stroke

Tissue is more important than time: insights into acute ischemic stroke from modern brain imaging

Andrew Bivard, Mark Parsons

Journal article  |  2018  |  Current Opinion in Neurology

Collateral response modulates the time-penumbra relationship in proximal arterial occlusions

Smriti Agarwal, Andrew Bivard, Elizabeth Warburton, Mark Parsons, Christopher Levi

Journal article  |  2018  |  Neurology

Author response: Evaluation of hyperacute infarct volume using ASPECTS and brain CT perfusion core volume.

Christopher R Levi, Jelle Demeestere, Carlos Garcia-Esperon, Pablo García-Bermejo, Fouke Ombelet, Patrick McElduff, Andrew Bivard, Mark Parsons

Journal article  |  2017  |  Neurology

A model based on the Pennes bioheat transfer equation is valid in normal brain tissue but not brain tissue suffering focal ischaemia.

Thomas Lillicrap, Murat Tahtalı, Andrew Neely, Xiaofei Wang, Andrew Bivard, Christian Lueck

Journal article  |  2017  |  Australasian Physical & Engineering Sciences in Medicine

Ischaemic stroke is a major public health issue in both developed and developing nations. Hypothermia is believed to be neuroprote..

Ischemic core thresholds change with time to reperfusion: A case control study

Andrew Bivard, Tim Kleinig, Ferdinand Miteff, Kenneth Butcher, Longting Lin, Christopher Levi, Mark Parsons

Journal article  |  2017  |  Annals of Neurology

The influence of initial stroke severity on mortality, overall functional outcome and in-hospital placement at 90 days following acute ischemic stroke: A tertiary hospital stroke register study

Sonu Bhaskar, Peter Stanwell, Andrew Bivard, Neil Spratt, Rhonda Walker, Gemma H Kitsos, Mark W Parsons, Malcolm Evans, Louise Jordan, Michael Nilsson, John Attia, Christopher Levi

Journal article  |  2017  |  Neurology India

Influence of Penumbral Reperfusion on Clinical Outcome Depends on Baseline Ischemic Core Volume

Chushuang Chen, Mark W Parsons, Matthew Clapham, Christopher Oldmeadow, Christopher R Levi, Longting Lin, Xin Cheng, Min Lou, Timothy J Kleinig, Kenneth S Butcher, Qiang Dong, Andrew Bivard

Journal article  |  2017  |  Stroke

Perfusion Abnormalities are Frequently Detected by Early CT Perfusion and Predict Unfavourable Outcome Following Severe Traumatic Brain Injury

Cino Bendinelli, Shannon Cooper, Tiffany Evans, Andrew Bivard, Dianne Pacey, Mark Parson, Zsolt J Balogh

Journal article  |  2017  |  World Journal of Surgery

Visibility of CT Early Ischemic Change Is Significantly Associated with Time from Stroke Onset to Baseline Scan beyond the First 3 Hours of Stroke Onset

Jian Gao, Mark W Parsons, Hiroyuki Kawano, Christopher R Levi, Tiffany-Jane Evans, Longting Lin, Andrew Bivard

Journal article  |  2017  |  Journal of Stroke

Response by Bivard et al to Letter Regarding Article, "Validating a Predictive Model of Acute Advanced Imaging Biomarkers in Ischemic Stroke"

Andrew Bivard, Christopher Levi, Mark Parsons

Journal article  |  2017  |  Stroke

Tenecteplase in ischemic stroke offers improved recanalization Analysis of 2 trials

Andrew Bivard, Xuya Huang, Christopher R Levi, Neil Spratt, Bruce CV Campbell, Bharath Kumar Cheripelli, Dheeraj Kalladka, Fiona Catherine Moreton, Ian Ford, Christopher F Bladin, Stephen M Davis, Geoffrey A Donnan, Keith W Muir, Mark W Parsons

Journal article  |  2017  |  Neurology

Validation of the National Institutes of Health Stroke Scale-8 to Detect Large Vessel Occlusion in Ischemic Stroke

Jelle Demeestere, Carlos Garcia-Esperon, Longting Lin, Andrew Bivard, Timothy Ang, Nicolas R Smoll, Ashley Garnett, Allan Loudfoot, Ferdi Miteff, Neil Spratt, Mark Parsons, Christopher Levi

Journal article  |  2017  |  Journal of Stroke and Cerebrovascular Diseases

Evaluation of hyperacute infarct volume using ASPECTS and brain CT perfusion core volume

Jelle Demeestere, Carlos Garcia-Esperon, Pablo Garcia-Bermejo, Fouke Ombelet, Patrick McElduff, Andrew Bivard, Mark Parsons, Christopher Levi

Journal article  |  2017  |  Neurology

Response by Bivard et al to Letter Regarding Article, "Impact of Computed Tomography Perfusion Imaging on the Response to Tenecteplase in Ischemic Stroke: Analysis of 2 Randomized Controlled Trials"

Andrew Bivard, Keith Muir, Mark Parsons

Journal article  |  2017  |  Circulation

Quantifying reperfusion of the ischemic region on whole-brain computed tomography perfusion

Longting Lin, Xin Cheng, Andrew Bivard, Christopher R Levi, Qiang Dong, Mark W Parsons

Journal article  |  2017  |  Journal of Cerebral Blood Flow & Metabolism

MIDAS (Modafinil in Debilitating Fatigue After Stroke) A Randomized, Double-Blind, Placebo-Controlled, Cross-Over Trial

Andrew Bivard, Thomas Lillicrap, Venkatesh Krishnamurthy, Elizabeth Holliday, John Attia, Heather Pagram, Michael Nilsson, Mark Parsons, Christopher R Levi

Journal article  |  2017  |  Stroke

Baseline collateral status and infarct topography in post-ischaemic perilesional hyperperfusion: An arterial spin labelling study

Sonu Bhaskar, Andrew Bivard, Peter Stanwell, Mark Parsons, John R Attia, Michael Nilsson, Christopher Levi

Journal article  |  2017  |  Journal of Cerebral Blood Flow & Metabolism

The Basilar Artery on Computed Tomography Angiography Prognostic Score for Basilar Artery Occlusion

Fana Alemseged, Darshan G Shah, Marina Diomedi, Fabrizio Sallustio, Andrew Bivard, Gagan Sharma, Peter J Mitchell, Richard J Dowling, Steven Bush, Bernard Yan, Carlo Caltagirone, Roberto Floris, Mark W Parsons, Christopher R Levi, Stephen M Davis, Bruce CV Campbell

Journal article  |  2017  |  Stroke

Perfusion computed tomography in patients with stroke thrombolysis

Hiroyuki Kawano, Andrew Bivard, Longting Lin, Henry Ma, Xin Cheng, Richard Aviv, Billy O'Brien, Kenneth Butcher, Min Lou, Jingfen Zhang, Jim Jannes, Qiang Dong, Christopher R Levi, Mark W Parsons

Journal article  |  2017  |  Brain

The establishment of a telestroke service using multimodal CT imaging decision assistance: "Turning on the fog lights"

Jelle Demeestere, Claire Sewell, Jennifer Rudd, Timothy Ang, Louise Jordan, James Wills, Carlos Garcia-Esperon, Ferdinand Miteff, Venkatesh Krishnamurthy, Neil Spratt, Longting Lin, Andrew Bivard, Mark Parsons, Christopher Levi

Journal article  |  2017  |  Journal of Clinical Neuroscience

Platelet microparticles: a biomarker for recanalization in rtPA-treated ischemic stroke patients

Andrew Bivard, Lisa F Lincz, Jane Maquire, Mark Parsons, Christopher Levi

Journal article  |  2017  |  Annals of Clinical and Translational Neurology

Validating a Predictive Model of Acute Advanced Imaging Biomarkers in Ischemic Stroke

Andrew Bivard, Christopher Levi, Longting Lin, Xin Cheng, Richard Aviv, Neil J Spratt, Min Lou, Tim Kleinig, Billy O'Brien, Kenneth Butcher, Jingfen Zhang, Jim Jannes, Qiang Dong, Mark Parsons

Journal article  |  2017  |  Stroke

Immunity and stroke, the hurdles of stroke research translation

Heather Pagram, Andrew Bivard, Lisa F Lincz, Christopher Levi

Journal article  |  2017  |  International Journal of Stroke

Delay of late-venous phase cortical vein filling in acute ischemic stroke patients: Associations with collateral status

Sonu Bhaskar, Andrew Bivard, Mark Parsons, Michael Nilsson, John R Attia, Peter Stanwell, Christopher Levi

Journal article  |  2017  |  Journal of Cerebral Blood Flow & Metabolism

Impact of Computed Tomography Perfusion Imaging on the Response to Tenecteplase in Ischemic Stroke Analysis of 2 Randomized Controlled Trials

Andrew Bivard, Xuya Huang, Patrick McElduff, Christopher R Levi, Bruce CV Campbell, Bharath Kumar Cheripelli, Dheeraj Kalladka, Fiona Catherine Moreton, Ian Ford, Christopher F Bladin, Stephen M Davis, Geoffrey A Donnan, Keith W Muir, Mark W Parsons

Journal article  |  2017  |  Circulation

Association of Cortical Vein Filling with Clot Location and Clinical Outcomes in Acute Ischaemic Stroke Patients

Sonu Bhaskar, Andrew Bivard, Peter Stanwell, John R Attia, Mark Parsons, Michael Nilsson, Christopher Levi

Journal article  |  2016  |  Scientific Reports

Can CT perfusion accurately assess infarct core?

Dan C Huynh, Mark W Parsons, Max Wintermark, Achala Vagal, Christopher D d’Esterre, Rita Vitorino, Daniel Efkehari, Jesse Knight, Thien J Huynh, Andrew Bivard, Rick Swartz, Sean Symons, Richard I Aviv

Journal article  |  2016  |  Neurovascular Imaging

Modafinil In Debilitating fatigue After Stroke (MIDAS): study protocol for a randomised, double-blinded, placebo-controlled, crossover trial

Thomas Lillicrap, Venkatesh Krishnamurthy, John Attia, Michael Nilsson, Christopher R Levi, Mark W Parsons, Andrew Bivard

Journal article  |  2016  |  Trials

Stroke Treatment Academic Industry Roundtable Recommendations for Individual Data Pooling Analyses in Stroke.

Kennedy R Lees, Pooja Khatri, undefined STAIR IX Collaborators

Journal article  |  2016  |  Stroke

Pooled analysis of individual patient data from stroke trials can deliver more precise estimates of treatment effect, enhance powe..

Too Good to Treat? Ischemic Stroke Patients with Small Computed Tomography Perfusion Lesions May Not Benefit from Thrombolysis

Andrew Bivard, Min Lou, Christopher R Levi, Venkatesh Krishnamurthy, Xin Cheng, Richard I Aviv, Patrick McElduff, Longting Lin, Tim Kleinig, Billy O'Brien, Kenneth Butcher, Jingfen Zhang, Jim Jannes, Qiang Dong, Mark W Parsons

Journal article  |  2016  |  Annals of Neurology

International benchmarking for acute thrombolytic therapy implementation in Australia and Japan

Hiroyuki Kawano, Christopher Levi, Yuichiro Inatomi, Heather Pagram, Erin Kerr, Andrew Bivard, Neil Spratt, Ferdinand Miteff, Toshiro Yonehara, Yukio Ando, Mark Parsons

Journal article  |  2016  |  Journal of Clinical Neuroscience

Whole-Brain CT Perfusion to Quantify Acute Ischemic Penumbra and Core

Longting Lin, Andrew Bivard, Venkatesh Krishnamurthy, Christopher R Levi, Mark W Parsons

Journal article  |  2016  |  Radiology

Acute Stroke Imaging Research Roadmap III Imaging Selection and Outcomes in Acute Stroke Reperfusion Clinical Trials Consensus Recommendations and Further Research Priorities

Steven J Warach, Marie Luby, Gregory W Albers, Roland Bammer, Andrew Bivard, Bruce CV Campbell, Colin Derdeyn, Jeremy J Heit, Pooja Khatri, Maarten G Lansberg, David S Liebeskind, Charles BLM Majoie, Michael P Marks, Bijoy K Menon, Keith W Muir, Mark W Parsons, Achala Vagal, Albert J Yoo, Andrei V Alexandrov, Jean-Claude Baron, et al.

Journal article  |  2016  |  Stroke

A comprehensive analysis of metabolic changes in the salvaged penumbra

Andrew Bivard, Nawaf Yassi, Venkatesh Krishnamurthy, Longting Lin, Christopher Levi, Neil J Spratt, Ferdi Mittef, Stephen Davis, Mark Parsons

Journal article  |  2016  |  Neuroradiology

Relationship Between Collateral Status, Contrast Transit, and Contrast Density in Acute Ischemic Stroke

Hiroyuki Kawano, Andrew Bivard, Longting Lin, Neil J Spratt, Ferdinand Miteff, Mark W Parsons, Christopher R Levi

Journal article  |  2016  |  Stroke

Global White Matter Hypoperfusion on CT Predicts Larger Infarcts and Hemorrhagic Transformation after Acute Ischemia

Andrew Bivard, Xin Cheng, Long-Ting Lin, Christopher Levi, Neil Spratt, Tim Kleinig, Billy O'Brien, Kenneth Butcher, Min Lou, Jing-Fen Zhang, PN Sylaja, Wen-Jie Cao, Jim Jannes, Qiang Dong, Mark Parsons

Journal article  |  2016  |  CNS Neuroscience & Therapeutics

Peripheral Immune Cell Counts and Advanced Imaging as Biomarkers of Stroke Outcome

Heather Pagram, Andrew Bivard, Lisa F Lincz, Christopher Levi

Journal article  |  2016  |  Cerebrovascular Diseases Extra

Association between baseline peri-infarct magnetic resonance spectroscopy and regional white matter atrophy after stroke

Nawaf Yassi, Bruce CV Campbell, Bradford A Moffat, Christopher Steward, Leonid Churilov, Mark W Parsons, Geoffrey A Donnan, Patricia M Desmond, Stephen M Davis, Andrew Bivard

Journal article  |  2016  |  Neuroradiology

Multiphase CT Angiography: A Poor Man's Perfusion CT?

Richard I Aviv, Mark Parsons, Andrew Bivard, Babak Jahromi, Max Wintermark

Journal article  |  2015  |  Radiology

Multi-modal CT in acute stroke: wait for a serum creatinine before giving intravenous contrast? No!

Timothy E Ang, Andrew Bivard, Christopher Levi, Henry Ma, Chung Y Hsu, Bruce Campbell, Geoffrey Donnan, Stephen M Davis, Mark Parsons

Journal article  |  2015  |  International Journal of Stroke

Know your tools-concordance of different methods for measuring brain volume change after ischemic stroke

Nawaf Yassi, Bruce CV Campbell, Bradford A Moffat, Christopher Steward, Leonid Churilov, Mark W Parsons, Patricia M Desmond, Stephen M Davis, Andrew Bivard

Journal article  |  2015  |  Neuroradiology

Perfusion computed tomography to assist decision making for stroke thrombolysis

Andrew Bivard, Christopher Levi, Venkatesh Krishnamurthy, Patrick McElduff, Ferdi Miteff, Neil J Spratt, Grant Bateman, Geoffrey Donnan, Stephen Davis, Mark Parsons

Journal article  |  2015  |  Brain

Contralesional Thalamic Surface Atrophy and Functional Disconnection 3 Months after Ischemic Stroke

Nawaf Yassi, Charles B Malpas, Bruce CV Campbell, Bradford Moffat, Christopher Steward, Mark W Parsons, Patricia M Desmond, Geoffrey A Donnan, Stephen M Davis, Andrew Bivard

Journal article  |  2015  |  Cerebrovascular Diseases

Spectroscopy of reperfused tissue after stroke reveals heightened metabolism in patients with good clinical outcomes

Andrew Bivard, Venkatesh Krishnamurthy, Peter Stanwell, Nawaf Yassi, Neil J Spratt, Michael Nilsson, Christopher R Levi, Stephen Davis, Mark W Parsons

Journal article  |  2014  |  Journal of Cerebral Blood Flow & Metabolism

Defining acute ischemic stroke tissue pathophysiology with whole brain CT perfusion

A Bivard, C Levi, V Krishnamurthy, J Hislop-Jambrich, P Salazar, B Jackson, S Davis, M Parsons

Journal article  |  2014  |  Journal of Neuroradiology

Comparison of Computed Tomographic and Magnetic Resonance Perfusion Measurements in Acute Ischemic Stroke Back-to-Back Quantitative Analysis

Longting Lin, Andrew Bivard, Christopher R Levi, Mark W Parsons

Journal article  |  2014  |  Stroke

Normal and Abnormal Physiology of Cerebral Blood Flow

A Bivard, M Parsons

Book Chapter  |  2014

Arterial Spin Labeling Versus Bolus-Tracking Perfusion in Hyperacute Stroke

Andrew Bivard, Venkatesh Krishnamurthy, Peter Stanwell, Christopher Levi, Neil J Spratt, Stephen Davis, Mark Parsons

Journal article  |  2014  |  Stroke

Stroke and Cerebral Ischemia

A Bivard, P Stanwell, M Parsons

Book Chapter  |  2013

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

Perfusion Patterns of Ischemic Stroke on Computed Tomography Perfusion

Longting Lin, Andrew Bivard, Mark W Parsons

Journal article  |  2013  |  JOURNAL OF STROKE

Brain CT perfusion provides additional useful information in severe traumatic brain injury

Cino Bendinelli, Andrew Bivard, Shane Nebauer, Mark W Parsons, Zsolt J Balogh

Journal article  |  2013  |  Injury

Validation of a finite element model of heat transfer in the stroke-affected brain against data from humans and non-human primates

T Lillicrap, M Tahtali, A Neely, X Wang, CR Levi, M Parsons, A Bivard, C Lueck

Conference Proceedings  |  2013  |  INTERNATIONAL JOURNAL OF STROKE

Arterial Spin Labeling Identifies Tissue Salvage and Good Clinical Recovery After Acute Ischemic Stroke

Andrew Bivard, Peter Stanwell, Christopher Levi, Mark Parsons

Journal article  |  2013  |  Journal of Neuroimaging

Review of Stroke Thrombolytics

Andrew Bivard, Longting Lin, Mark W Parsons

Journal article  |  2013  |  Journal of Stroke

Perfusion CT in Acute Stroke: A Comprehensive Analysis of Infarct and Penumbra

Andrew Bivard, Christopher Levi, Neil Spratt, Mark Parsons

Journal article  |  2013  |  Radiology

Assessment of leptomeningeal collaterals using dynamic CT angiography in patients with acute ischemic stroke

Bijoy K Menon, Billy O'Brien, Andrew Bivard, Neil J Spratt, Andrew M Demchuk, Ferdinand Miteff, Xuewen Lu, Christopher Levi, Mark W Parsons

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

Defining Acute Ischemic Stroke Tissue Pathophysiology Using Whole Brain 320 Slice Ct Perfusion

Andrew Bivard, Mark Parsons

Conference Proceedings  |  2013  |  STROKE

Whole Brain Perfusion In Tia

Andrew Bivard, Mark Parsons

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

Magnetic Resonance Spectroscopy for Neuroscientists and Clinicians

A Bivard, undefined Parsons

Book Chapter  |  2013

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

ASPECTaSaurus (a dinosaur)?

A Bivard, M Parsons

Journal article  |  2012  |  International Journal of Stroke

A new measure of acute perfusion imaging in ischemic stroke- Severity

A Bivard, MW Parsons

Conference Proceedings  |  2012  |  INTERNATIONAL JOURNAL OF STROKE

MR Spectroscopy: bio-makers for post stroke recovery

A Bivard, P Stanwell, MW Parsons

Conference Proceedings  |  2012  |  INTERNATIONAL JOURNAL OF STROKE

A Randomized Trial of Tenecteplase versus Alteplase for Acute Ischemic Stroke

Mark Parsons, Neil Spratt, Andrew Bivard, Bruce Campbell, Kong Chung, Ferdinand Miteff, Bill O'Brien, Christopher Bladin, Patrick McElduff, Chris Allen, Grant Bateman, Geoffrey Donnan, Stephen Davis, Christopher Levi

Journal article  |  2012  |  New England Journal of Medicine

Perfusion computer tomography: imaging and clinical validation in acute ischaemic stroke

Andrew Bivard, Neil Spratt, Christopher Levi, Mark Parsons

Journal article  |  2011  |  Brain

Acute stroke thrombolysis: time to dispense with the clock and move to tissue-based decision making?

Andrew Bivard, Neil Spratt, Christopher R Levi, Mark W Parsons

Journal article  |  2011  |  Expert Review of Cardiovascular Therapy

Currently, imaging is predominantly used to exclude patients for thrombolysis, rather than identify patients most likely to benefi..

Defining the Extent of Irreversible Brain Ischemia Using Perfusion Computed Tomography

Andrew Bivard, Patrick McElduff, Neil Spratt, Christopher Levi, Mark Parsons

Journal article  |  2011  |  Cerebrovascular Diseases