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Leif Østergaard

Leif Østergaard

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Neuroscience
Denmark
2026

D-Index & Metrics

Neuroscience

D-Index
92
Citations
26046
World Ranking
1040
National Ranking
8

Medicine

D-Index
92
Citations
26262
World Ranking
11441
National Ranking
124

Research.com Recognitions

  • 2026 - Research.com Neuroscience in Denmark Leader Award
  • 2025 - Research.com Neuroscience in Denmark Leader Award

Overview

Leif Østergaard is affiliated with Aarhus University in Denmark and specializes primarily in the field of Medicine. Their research spans several subfields including Neurology, Radiology, Nuclear Medicine and Imaging, Physiology, Epidemiology, and Molecular Biology.

Their work covers a variety of main topics, notably Advanced MRI Techniques and Applications, Advanced Neuroimaging Techniques and Applications, Alzheimer's disease research and treatments, Traumatic Brain Injury and Neurovascular Disturbances, Functional Brain Connectivity Studies, Acute Ischemic Stroke Management, and Intracerebral and Subarachnoid Hemorrhage Research.

Leif Østergaard has published extensively in several venues, with frequent contributions to bioRxiv (Cold Spring Harbor Laboratory), Alzheimer's & Dementia, Journal of the American Heart Association, Stroke, and NMR in Biomedicine.

Some recent publications include:

  • SARS CoV-2 related microvascular damage and symptoms during and after COVID-19: Consequences of capillary transit-time changes, tissue hypoxia and inflammation (2021, Physiological Reports)
  • Blood flow, capillary transit times, and tissue oxygenation: the centennial of capillary recruitment (2020, Journal of Applied Physiology)

Frequent co-authors collaborating with Leif Østergaard include:

  • Simon Fristed Eskildsen
  • Irene Klærke Mikkelsen
  • Eugenio Gutiérrez-Jiménez
  • David J. Brooks
  • Sune Nørhøj Jespersen

Best Publications

  • High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part I: Mathematical approach and statistical analysis

    Leif Østergaard;Robert M. Weisskoff;David A. Chesler;Carsten Gyldensted

  • High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part II: Experimental comparison and preliminary results

    Leif Østergaard;Alma Gregory Sorensen;Kenneth K. Kwong;Robert M. Weisskoff

  • Tracer arrival timing-insensitive technique for estimating flow in MR perfusion-weighted imaging using singular value decomposition with a block-circulant deconvolution matrix.

    Ona Wu;Leif Østergaard;Robert M. Weisskoff;Thomas Benner

  • Mr perfusion studies with t1‐weighted echo planar imaging

    Kenneth K. Kwong;David A. Chesler;Robert M. Weisskoff;Kathleen M. Donahue

  • The roles of cerebral blood flow, capillary transit time heterogeneity, and oxygen tension in brain oxygenation and metabolism

    Sune N Jespersen;Leif Østergaard;Leif Østergaard

  • Hyperacute stroke: simultaneous measurement of relative cerebral blood volume, relative cerebral blood flow, and mean tissue transit time.

    A. Gregory Sorensen;William A. Copen;Leif Østergaard;Ferdinando S. Buonanno

  • Perfusion-weighted imaging defects during spontaneous migrainous aura.

    F. Michael Cutrer;A. Gregory Sorensen;Robert M. Weisskoff;Leif Østergaard

  • Acute Stroke Imaging Research Roadmap II

    Max Wintermark;Gregory W. Albers;Andrei V. Alexandrov;Jeffry R. Alger

  • Modeling dendrite density from magnetic resonance diffusion measurements.

    Sune Nørhøj Jespersen;Christopher D. Kroenke;Leif Østergaard;Joseph J. H. Ackerman

  • Principles of cerebral perfusion imaging by bolus tracking

    Leif Østergaard

  • Viability Thresholds of Ischemic Penumbra of Hyperacute Stroke Defined by Perfusion-Weighted MRI and Apparent Diffusion Coefficient

    L. Røhl;L. Østergaard;C. Z. Simonsen;P. Vestergaard-Poulsen

  • Predicting tissue outcome in acute human cerebral ischemia using combined diffusion- and perfusion-weighted MR imaging.

    Wu O;Koroshetz Wj;Ostergaard L;Buonanno Fs

  • Neurite density from magnetic resonance diffusion measurements at ultrahigh field: Comparison with light microscopy and electron microscopy

    Sune Nørhøj Jespersen;Carsten R. Bjarkam;Carsten R. Bjarkam;Jens R. Nyengaard;M. Mallar Chakravarty;M. Mallar Chakravarty

  • Predictive coding of music--brain responses to rhythmic incongruity.

    Peter Vuust;Peter Vuust;Leif Ostergaard;Karen Johanne Pallesen;Karen Johanne Pallesen;Christopher Bailey;Christopher Bailey;Christopher Bailey

  • To musicians, the message is in the meter pre-attentive neuronal responses to incongruent rhythm are left-lateralized in musicians.

    Peter Vuust;Karen Johanne Pallesen;Karen Johanne Pallesen;Karen Johanne Pallesen;Christopher J. Bailey;Christopher J. Bailey;Titia L. van Zuijen

  • Remote Ischemic Perconditioning as an Adjunct Therapy to Thrombolysis in Patients With Acute Ischemic Stroke A Randomized Trial

    Kristina Dupont Hougaard;Niels Hjort;Dora Zeidler;Leif Sørensen

  • Perfusion Magnetic Resonance Imaging: A Comprehensive Update on Principles and Techniques

    Geon-Ho Jahng;Ka-Loh Li;Leif Ostergaard;Fernando Calamante

  • Preventing dementia by preventing stroke: The Berlin Manifesto

    Vladimir Hachinski;Karl Einhäupl;Detlev Ganten;Suvarna Alladi

  • Schwann cell interactions with axons and microvessels in diabetic neuropathy

    Nádia P. Gonçalves;Christian B. Vægter;Henning Andersen;Leif Østergaard

  • Magnetic Resonance Imaging Criteria for Thrombolysis in Acute Cerebral Infarct

    Niels Hjort;K Butcher;SM Davis;CS Kidwell

  • SARS CoV-2 related microvascular damage and symptoms during and after COVID-19: Consequences of capillary transit-time changes, tissue hypoxia and inflammation.

    Leif Østergaard;Leif Østergaard

  • Size-Dependent Accumulation of PEGylated Silane-Coated Magnetic Iron Oxide Nanoparticles in Murine Tumors.

    Esben K. U. Larsen;Thomas Nielsen;Thomas Wittenborn;Henrik Birkedal

  • Perfusion weighted imaging during migraine: spontaneous visual aura and headache.

    M. Sanchez del Rio;D Bakker;O Wu;R Agosti

Frequent Co-Authors

Albert Gjedde
Albert Gjedde University of Copenhagen
Jean-Claude Baron
Jean-Claude Baron University of Cambridge
Ona Wu
Ona Wu Harvard University
Götz Thomalla
Götz Thomalla Universität Hamburg
Bruce R. Rosen
Bruce R. Rosen Harvard University
Robert M. Weisskoff
Robert M. Weisskoff Harvard University
Peter Vuust
Peter Vuust Royal Academy of Music
A. Gregory Sorensen
A. Gregory Sorensen Harvard University
Andreas Roepstorff
Andreas Roepstorff Aarhus University
David A. Boas
David A. Boas Boston University

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