Stroke Prediction and Vascular Territory

Room B 210-211      16:00 - 18:00                       Chairs: A. Gregory Sorensen and Jeffrey L. Sunshine

16:00      522.    Predicting Tissue Infarction Using Acute MR Imaging in Stroke Patients Treated with Thrombolytic Therapy

Ona Wu1,2, Søren Christensen2, Niels Hjort2, Kim Mouridsen2, Anders Rodell2, Rick M. Dijkhuizen1, Thomas Kucinski3, Jens Fiehler3, Joachim Röther3, Leif Østergaard2

1University Medical Center Utrecht, Utrecht, Netherlands; 2Århus University Hospital, Århus, Denmark; 3University Hospital Hamburg-Eppendorf, Hamburg, Germany

16:12      523.    A Novel Strategy for Predicting Tissue Outcome in Acute Human Stroke

Nina M. Menezes1, Hakan Ay1, Chloe J. Lopez1, Ming Wang Zhu1, Walter J. Koroshetz1, Hannu J. Aronen2,

Jari O. Karonen2, Juho Nuutinen2, Yawu Liu2, A. Gregory Sorensen1

1Massachusetts General Hospital, Boston, Massachusetts, USA; 2Kuopio University Hospital, Kuopio, Finland

16:24      524.    Temporal Evolution of Cerebral Oxygen Extraction Fraction Using MRI in a Middle Cerebral Artery Occlusion Stroke Rat Model

Hongyu An1, Liansheng Chang1, Yasheng Chen1, Weili Lin1

1University of North Carolina Chapel Hill, Chapel Hill, North Carolina, USA

16:36      525.    Normobaric Hyperoxia Therapy in Acute Ischemic Stroke: Serial Multivoxel MR Spectroscopy and Diffusion/Perfusion MRI
 - not available

Eva-Maria Ratai1,2, Thomas Benner1,2, A. Gregory Sorensen1,2, Mark Vangel1,2, Walter J. Koroshetz1,2,

Pamela W. Schaefer1,2, Eng H. Lo1,2, R. Gilberto Gonzalez1,2, Aneesh B. Singhal1,2

1Massachusetts General Hospital, Boston, Massachusetts, USA; 2Harvard Medical School, Boston, Massachusetts, USA

16:48      526.    Long Term Fate of Left Atrial Thrombi and Incidence of Cerebral Embolism Under Continuous Anticoagulation Therapy
 - not available

Torsten Sommer1, Katharina Strach1, Matthias Hackenbroch1, Carsten Meyer1, Alexandra Schmiedel1, Hans Schild1

1University of Bonn, Bonn, Nordrhein-Westfalen, Germany

17:00      527.    Correcting Bolus Delay Confounds on Flow Estimations Using Independent Component Analysis in Perfusion Weighted Images

Yang Wu1, Hongyu An2, Hamid Krim1, Weili Lin2

1North Carolina State University, Raleigh, North Carolina, USA; 2University of North Carolina, Chapel Hill, North Carolina, USA

17:12      528.    MRI-Based Modeling of Vascular Territories and Collateral Circulation of the Brain

Juan Raul Cebral1, Fernando Calamante2

1George Mason University, Fairfax, Virginia, USA; 2University College London, London, UK, UK

17:24      529.    Distribution of Cerebral Blood Flow in the Circle of Willis: A Population Based MR Angiography Study  - not available

Jeroen Hendrikse1, Jeroen Van der Grond2

1UMC Utrecht, Utrecht, Netherlands; 2UMC Leiden, Leiden, Netherlands

17:36      530.    Time-Resolved 3D Quantitative Flow MRI of the Major Intracranial Arteries

Roland Bammer1, Murat Aksoy1, Maarten A. Lansberg1, Tom Hope1, Michael E. Moseley1, Robert J. Herfkens1,

Marcus T. Alley1

1Stanford University, Stanford, California, USA

17:48      531.    Intracranial Time-Resolved Contrast-Enhanced MR Angiography at 3 T

Ty A. Cashen1, James C. Carr1, Stephen F. Futterer1, Matthew T. Walker1, Richard J. Parkinson1, Wanyong Shin1, Timothy J. Carroll1

1Northwestern University, Chicago, Illinois, USA