James Duffin

University Health Network — Canada

Neuroscience · Life Sciences

55h-index10.5kcitations520works0.42yr avg

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Research Topics

Neuroscience of respiration and sleep(215), Heart Rate Variability and Autonomic Control(101), Respiratory Support and Mechanisms(61), Advanced MRI Techniques and Applications(54), Traumatic Brain Injury and Neurovascular Disturbances(52)

Publications520 total

Grading the success of revascularisation surgery

Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition·2025

MRI-Based Classification of Cerebral Hemodynamic Failure With Resting Perfusion Metrics and Cerebrovascular Reactivity

1 cited

Stroke·2025· 1 cited

Cerebrovascular reactivity differences in healthy cerebral gray and white matter

1 cited

Magnetic Resonance in Medicine·2025· 1 citedOpen Access

Excess ventilation and chemosensitivity in patients with inefficient ventilation and chronic coronary syndrome or heart failure: a case–control study

1 cited

Frontiers in Physiology·2025· 1 citedOpen Access

Assessing cerebral perfusion: analysis of the BOLD response to a hypoxia-induced step change in deoxyhemoglobin

NIMG-23. A NOVEL APPROACH TO PERFUSION MRI STUDIES IN BRAIN TUMOR PATIENTS USING ENDOGENOUS DEOXYHEMOGLOBIN AS A CONTRAST AGENT: A PROOF-OF-CONCEPT STUDY

Neuro-Oncology·2024Open Access

The choroid plexus as a source for selecting an arterial input function for resting cerebral perfusion measures

Cerebrovascular reactivity differences in the anterior and posterior brain circulations in Healthy individuals

Assessing cerebral perfusion: transfer function analysis of the BOLD response to hypoxia-induced changes in deoxyhemoglobin

Resting perfusion measures in patients with steno-occlusive disease; comparing two contrast agents Gadolinium and hypoxia-induced dOHb

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

1 cited

Scientific Reports·2024· 1 citedOpen Access

Editorial: Measuring resting cerebral perfusion using magnetic resonance imaging (MRI)

Frontiers in Physiology·2024Open Access

Variability of Resting Carbon Dioxide Tension in Patients with Intracranial Steno-occlusive Disease

Asian Journal of Neurosurgery·2024Open Access

Transient deoxyhemoglobin formation as a contrast for perfusion MRI studies in patients with brain tumors: a feasibility study

2 cited

Frontiers in Physiology·2024· 2 citedOpen Access

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

2024Open Access

The Choroid Plexus as an Alternative Locus for the Identification of the Arterial Input Function for Calculating Cerebral Perfusion Metrics Using MRI

2 cited

American Journal of Neuroradiology·2023· 2 citedOpen Access

Assessment of Cerebrovascular Reactivity Using <scp>CO<sub>2</sub>‐BOLD MRI</scp>: A 15‐Year, Single Center Experience

6 cited

Journal of Magnetic Resonance Imaging·2023· 6 citedOpen Access

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

4 cited

American Journal of Neuroradiology·2023· 4 citedOpen Access

Faculty Opinions recommendation of The jugular venous-to-arterial PCO2 difference during rebreathing and end-tidal forcing: Relationship with cerebral perfusion.

Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature·2023

The ventilatory response to modified rebreathing is unchanged by hyperoxic severity: implications for the hyperoxic hyperventilation paradox

2 cited

Journal of Applied Physiology·2023· 2 cited

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Frequent Co-authors

Joseph A. Fisher(13), Olivia Sobczyk(8), David J. Mikulis(8), Julien Poublanc(7), Adrian P. Crawley(7), Daniel M. Mandell(5), Jorn Fierstra(4), Anne Battisti‐Charbonney(4), Ravi Mohan(4), Kevin Sam(4), Janusz Lipski(4), Jay Han(3), Alexandra Mardimae(3), Richard Stephenson(2), Safraaz Mahamed(2), R R Bechbache(2), Eliot A. Phillipson(2), Jonathan D. Cooper(2), Greg D. Wells(2), Ludwik Fedorko(2)