Leif Østergaard

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	All	Since 2016
Citations	19638	7073
h-index	73	45
i10-index	183	132

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Co-authors

Bruce RosenMGH/HST Athinoula A. Martinos Center for Biomedical ImagingVerified email at mgh.harvard.edu
Sune Nørhøj JespersenProfessor, CFIN/MINDLab and Department of Physics, Aarhus UniversityVerified email at cfin.au.dk
A. Gregory SorensenDeepHealth, Inc.Verified email at deep.health
Ona WuAssociate Professor Radiology, Harvard Medical School, MGH Athinoula A Martinos CenterVerified email at nmr.mgh.harvard.edu
Simon Fristed EskildsenAssociate Professor, Aarhus UniversityVerified email at cfin.au.dk
Soeren ChristensenStanford UniversityVerified email at stanford.edu
Mikkel Bo HansenCenter for Functional Integrative Neuroscience, Aarhus University and Cercare Medical ApSVerified email at cfin.au.dk
Andreas RoepstorffProfessor, Cognition, Communication and Culture, Aarhus UniversityVerified email at hum.au.dk
Peter VuustProfessor, Aarhus University & The Royal Academy of Music, AarhusVerified email at musikkons.dk
Nina Kerting IversenAssociate Professor, CFIN, Institute of Clinical Medicin, Aarhus UniversityVerified email at cfin.dk
Eugenio Gutiérrez JiménezPostdoctoral Fellow, Aarhus University Hospital (CFIN)Verified email at cfin.au.dk
Lee SchwammProfessor of Neurology, Harvard Medical SchoolVerified email at mgh.harvard.edu
Antony GeeProfessor of Chemistry, King's College LondonVerified email at kcl.ac.uk
Torben Ellegaard LundAssociate Professor, CFIN, Aarhus UniversityVerified email at cfin.au.dk
Mikkel WallentinProfessor, Cognitive Science, Aarhus UniversityVerified email at cc.au.dk
Valerij G. KiselevUniversity Medical Center FreiburgVerified email at ukl.uni-freiburg.de
Manus J. DonahueProfessor of Neurology, Psychiatry, and Radiology; Vanderbilt University Medical CenterVerified email at vumc.org
Hans Erik BøtkerProfessor in cardiovascular medicine and interventional cardiologyVerified email at dadlnet.dk
Kwong, Kenneth Kin ManMassachusetts General Hospital, Harvard Medical SchoolVerified email at nmr.mgh.harvard.edu
Sava SakadzicMassachusetts General Hospital, Harvard Medical SchoolVerified email at mgh.harvard.edu

Leif Østergaard

Center of Functionally Integrative Neuroscience, Department of Clinical Medicine, Aarhus University

Verified email at cfin.au.dk - Homepage

neuroscience microcirculation stroke dementia physiology


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High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part I: Mathematical approach and statistical analysis L Østergaard, RM Weisskoff, DA Chesler, C Gyldensted, BR Rosen Magnetic resonance in medicine 5, 715-25, 1996	1715	1996
High Resolution Measurement of Cerebral Blood Flow using Intravascular Tracer Bolus Passages. Part II: Experimental comparison and preliminary results L Østergaard, AG Sorensen, KK Kwong, RM Weisskoff, C Gyldensted, ... Magnetic Resonance in Medicine 36 (5), 726-736, 1996	967	1996
Tracer arrival timing‐insensitive technique for estimating flow in MR perfusion‐weighted imaging using singular value decomposition with a block‐circulant deconvolution matrix O Wu, L Østergaard, RM Weisskoff, T Benner, BR Rosen, AG Sorensen Magnetic Resonance in Medicine: An Official Journal of the International …, 2003	574	2003
Mr perfusion studies with t₁‐weighted echo planar imaging KK Kwong, DA Chesler, RM Weisskoff, KM Donahue, TL Davis, ... Magnetic Resonance in Medicine 34 (6), 878-887, 1995	570	1995
Hyperacute stroke: simultaneous measurement of relative cerebral blood volume, relative cerebral blood flow, and mean tissue transit time AG Sorensen, WA Copen, L Østergaard, FS Buonanno, RG Gonzalez, ... Radiology 210 (2), 519-527, 1999	485	1999
MRI-guided thrombolysis for stroke with unknown time of onset G Thomalla, CZ Simonsen, F Boutitie, G Andersen, Y Berthezene, ... New England Journal of Medicine 379 (7), 611-622, 2018	477	2018
Perfusion‐weighted imaging defects during spontaneous migrainous aura FM Cutrer, AG Sorensen, RM Weisskoff, L Østergaard, MS Del Rio, ... Annals of neurology 43 (1), 25-31, 1998	397	1998
Acute stroke imaging research roadmap M Wintermark, GW Albers, AV Alexandrov, JR Alger, R Bammer, JC Baron, ... Stroke 39 (5), 1621-1628, 2008	354	2008
Viability thresholds of ischemic penumbra of hyperacute stroke defined by perfusion-weighted MRI and apparent diffusion coefficient L Røhl, L Østergaard, CZ Simonsen, P Vestergaard-Poulsen, G Andersen, ... Stroke 32 (5), 1140-1146, 2001	329	2001
The roles of cerebral blood flow, capillary transit time heterogeneity, and oxygen tension in brain oxygenation and metabolism SN Jespersen, L Østergaard Journal of cerebral blood flow & metabolism 32 (2), 264-277, 2012	317	2012
Principles of cerebral perfusion imaging by bolus tracking L Østergaard Journal of Magnetic Resonance Imaging: An Official Journal of the …, 2005	314	2005
Predicting tissue outcome in acute human cerebral ischemia using combined diffusion-and perfusion-weighted MR imaging O Wu, WJ Koroshetz, L Østergaard, FS Buonanno, WA Copen, ... Stroke 32 (4), 933-942, 2001	311	2001
Modeling dendrite density from magnetic resonance diffusion measurements SN Jespersen, CD Kroenke, L Østergaard, JJH Ackerman, DA Yablonskiy Neuroimage 34 (4), 1473-1486, 2007	304	2007
Magnetic resonance imaging criteria for thrombolysis in acute cerebral infarct N Hjort, K Butcher, SM Davis, CS Kidwell, WJ Koroshetz, J Rother, ... Stroke 36 (2), 388-397, 2005	285	2005
Size-dependent accumulation of PEGylated silane-coated magnetic iron oxide nanoparticles in murine tumors EKU Larsen, T Nielsen, T Wittenborn, H Birkedal, T Vorup-Jensen, ... ACS nano 3 (7), 1947-1951, 2009	254	2009
To musicians, the message is in the meter: pre-attentive neuronal responses to incongruent rhythm are left-lateralized in musicians P Vuust, KJ Pallesen, C Bailey, TL Van Zuijen, A Gjedde, A Roepstorff, ... Neuroimage 24 (2), 560-564, 2005	246	2005
Perfusion weighted imaging during migraine: spontaneous visual aura and headache M Sanchez del Rio, D Bakker, O Wu, R Agosti, DD Mitsikostas, ... Cephalalgia 19 (8), 701-707, 1999	241	1999
Neurite density from magnetic resonance diffusion measurements at ultrahigh field: comparison with light microscopy and electron microscopy SN Jespersen, CR Bjarkam, JR Nyengaard, MM Chakravarty, B Hansen, ... Neuroimage 49 (1), 205-216, 2010	229	2010
Combined diffusion and perfusion MRI with correlation to single-photon emission CT in acute ischemic stroke: ischemic penumbra predicts infarct growth JO Karonen, RL Vanninen, Y Liu, L Østergaard, JT Kuikka, J Nuutinen, ... Stroke 30 (8), 1583-1590, 1999	224	1999
Remote ischemic perconditioning as an adjunct therapy to thrombolysis in patients with acute ischemic stroke: a randomized trial KD Hougaard, N Hjort, D Zeidler, L Sørensen, A Nørgaard, TM Hansen, ... Stroke 45 (1), 159-167, 2014	215	2014

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