Assessing Perfusion in Steno-Occlusive Cerebrovascular Disease Using Transient Hypoxia-Induced Deoxyhemoglobin as a Dynamic Susceptibility Contrast Agent

Ece Su Sayin; James Duffin; Vittorio Stumpo; Jacopo Bellomo; Marco Piccirelli; Julien Poublanc; Vepeson Wijeya; Andrea Para; Athina Pangalu; Andrea Bink; Bence Nemeth; Zsolt Kulcsar; David J. Mikulis; Joseph A. Fisher; Olivia Sobczyk; Jorn Fierstra

doi:10.3174/ajnr.A8068

Research ArticleNeurovascular/Stroke Imaging

Open Access

Assessing Perfusion in Steno-Occlusive Cerebrovascular Disease Using Transient Hypoxia-Induced Deoxyhemoglobin as a Dynamic Susceptibility Contrast Agent

Ece Su Sayin, James Duffin, Vittorio Stumpo, Jacopo Bellomo, Marco Piccirelli, Julien Poublanc, Vepeson Wijeya, Andrea Para, Athina Pangalu, Andrea Bink, Bence Nemeth, Zsolt Kulcsar, David J. Mikulis, Joseph A. Fisher, Olivia Sobczyk and Jorn Fierstra

American Journal of Neuroradiology January 2024, 45 (1) 37-43; DOI: https://doi.org/10.3174/ajnr.A8068

Ece Su Sayin

aFrom the Department of Physiology (E.S.S., J.D., J.A.F.), University of Toronto, Toronto, Ontario, Canada

cJoint Department of Medical Imaging and the Functional Neuroimaging Lab (E.S.S., J.P., V.W., A. Para, D.J.M., O.S.), University Health Network, Toronto, Ontario, Canada

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James Duffin

aFrom the Department of Physiology (E.S.S., J.D., J.A.F.), University of Toronto, Toronto, Ontario, Canada

dDepartment of Anesthesia and Pain Management (J.D., J.A.F.), University Health Network, University of Toronto, Toronto, Ontario, Canada

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Vittorio Stumpo

eDepartment of Neurosurgery (V.S., J.B. J.F.), University Hospital Zurich, University of Zurich, Zurich, Switzerland

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Jacopo Bellomo

eDepartment of Neurosurgery (V.S., J.B. J.F.), University Hospital Zurich, University of Zurich, Zurich, Switzerland

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Marco Piccirelli

fDepartment of Neuroradiology and Clinical Neuroscience Center (M.P., A. Pangalu, A.B., B.N., Z.K.), University Hospital Zurich, University of Zurich, Zurich, Switzerland

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Julien Poublanc

cJoint Department of Medical Imaging and the Functional Neuroimaging Lab (E.S.S., J.P., V.W., A. Para, D.J.M., O.S.), University Health Network, Toronto, Ontario, Canada

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Vepeson Wijeya

cJoint Department of Medical Imaging and the Functional Neuroimaging Lab (E.S.S., J.P., V.W., A. Para, D.J.M., O.S.), University Health Network, Toronto, Ontario, Canada

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Andrea Para

cJoint Department of Medical Imaging and the Functional Neuroimaging Lab (E.S.S., J.P., V.W., A. Para, D.J.M., O.S.), University Health Network, Toronto, Ontario, Canada

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Athina Pangalu

fDepartment of Neuroradiology and Clinical Neuroscience Center (M.P., A. Pangalu, A.B., B.N., Z.K.), University Hospital Zurich, University of Zurich, Zurich, Switzerland

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Andrea Bink

fDepartment of Neuroradiology and Clinical Neuroscience Center (M.P., A. Pangalu, A.B., B.N., Z.K.), University Hospital Zurich, University of Zurich, Zurich, Switzerland

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Bence Nemeth

fDepartment of Neuroradiology and Clinical Neuroscience Center (M.P., A. Pangalu, A.B., B.N., Z.K.), University Hospital Zurich, University of Zurich, Zurich, Switzerland

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Zsolt Kulcsar

fDepartment of Neuroradiology and Clinical Neuroscience Center (M.P., A. Pangalu, A.B., B.N., Z.K.), University Hospital Zurich, University of Zurich, Zurich, Switzerland

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David J. Mikulis

bDepartment of Medical Biophysics (D.J.M.), University of Toronto, Toronto, Ontario, Canada.

cJoint Department of Medical Imaging and the Functional Neuroimaging Lab (E.S.S., J.P., V.W., A. Para, D.J.M., O.S.), University Health Network, Toronto, Ontario, Canada

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Joseph A. Fisher

aFrom the Department of Physiology (E.S.S., J.D., J.A.F.), University of Toronto, Toronto, Ontario, Canada

dDepartment of Anesthesia and Pain Management (J.D., J.A.F.), University Health Network, University of Toronto, Toronto, Ontario, Canada

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Olivia Sobczyk

cJoint Department of Medical Imaging and the Functional Neuroimaging Lab (E.S.S., J.P., V.W., A. Para, D.J.M., O.S.), University Health Network, Toronto, Ontario, Canada

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Jorn Fierstra

eDepartment of Neurosurgery (V.S., J.B. J.F.), University Hospital Zurich, University of Zurich, Zurich, Switzerland

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Assessing Perfusion in Steno-Occlusive Cerebrovascular Disease Using Transient Hypoxia-Induced Deoxyhemoglobin as a Dynamic Susceptibility Contrast Agent

American Journal of Neuroradiology Jan 2024, 45 (1) 37-43; DOI: 10.3174/ajnr.A8068

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Assessing Perfusion in Cerebrovascular Disease

American Journal of Neuroradiology Jan 2024, 45 (1) 37-43; DOI: 10.3174/ajnr.A8068

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Cerebral perfusion metrics calculated directly, model-free, from a hypoxia-induced step change in deoxyhemoglobin

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