Tomas Vikner

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Works as

Research fellow at Department of Diagnostics and Intervention Section: Biomedical engineering and Radiation Physics

5A, Målpunkt H62, Norrlands universitetssjukhus Umeå universitet, 901 85 Umeå

Publications Publications

Quantitative assessment of flow between cerebrospinal and interstitial fluid compartments in humans

Proceedings of the National Academy of Sciences of the United States of America, Proceedings of the National Academy of Sciences (PNAS) 2026, Vol. 123, (18)

Wåhlin, Anders; Behndig, Sofia; Eriksson De Ryst, Johan; et al.

Synchronous quantification of arterial, venous, and cerebrospinal fluid flow dynamics using real-time phase-contrast MRI

Fluids and Barriers of the CNS, Springer Nature 2025, Vol. 22

Rivera-Rivera, Leonardo A.; Collick, Bruce; Vikner, Tomas; et al.

Simultaneous and synchronous characterization of blood and CSF flow dynamics using multiple Venc PC MRI

Imaging Neuroscience, MIT Press 2025, Vol. 3

Rivera-Rivera, Leonardo A.; Vikner, Tomas; Tang, Chenwei; et al.

MRI contrast accumulation in features of cerebral small vessel disease: blood-brain barrier dysfunction or elevated vascular density?

Fluids and Barriers of the CNS, BioMed Central (BMC) 2025, Vol. 22, (1)

Vikner, Tomas; Garpebring, Anders; Björnfot, Cecilia; et al.

Imaging blood to periarterial CSF flow coupling using 4D flow MRI and an ultra-high-performance head-only gradient system

Fluids and Barriers of the CNS, BioMed Central (BMC) 2025, Vol. 22, (1)

Vikner, Tomas; Rivera-Rivera, Leonardo A.; Yardim, Zaynab S.; et al.

Four-dimensional flow MRI for quantitative assessment of cerebrospinal fluid dynamics: Status and opportunities

NMR in Biomedicine, John Wiley & Sons 2024, Vol. 37, (7)

Rivera-Rivera, Leonardo A.; Vikner, Tomas; Eisenmenger, Laura; et al.

Blood-brain barrier integrity is linked to cognitive function, but not to cerebral arterial pulsatility, among elderly

Scientific Reports, Springer Nature 2024, Vol. 14, (1)

Vikner, Tomas; Garpebring, Anders; Björnfot, Cecilia; et al.

CSF dynamics throughout the ventricular system using 4D flow MRI: associations to arterial pulsatility, ventricular volumes, and age

Fluids and Barriers of the CNS, BioMed Central (BMC) 2024, Vol. 21, (1)

Vikner, Tomas; Johnson, Kevin M.; Cadman, Robert V.; et al.

Longitudinal stability in working memory and frontal activity in relation to general brain maintenance

Scientific Reports, Springer Nature 2022, Vol. 12, (1)

Nyberg, Lars; Karalija, Nina; Papenberg, Goran; et al.

Cerebral arterial pulsatility imaging using 4D flow MRI: methodological development and applications in brain aging

Umeå University medical dissertations, 2209

Vikner, Tomas

5-year associations among cerebral arterial pulsatility, perivascular space dilation, and white matter lesions

Annals of Neurology, John Wiley & Sons 2022, Vol. 92, (5) : 871-881

Vikner, Tomas; Karalija, Nina; Eklund, Anders; et al.

Cerebral arterial pulsatility is linked to hippocampal microvascular function and episodic memory in healthy older adults

Journal of Cerebral Blood Flow and Metabolism, Sage Publications 2021, Vol. 41, (7) : 1778-1790

Vikner, Tomas; Eklund, Anders; Karalija, Nina; et al.

Characterizing pulsatility in distal cerebral arteries using 4D flow MRI

Journal of Cerebral Blood Flow and Metabolism, Sage Publications 2020, Vol. 40, (12) : 2429-2440

Vikner, Tomas; Nyberg, Lars; Holmgren, Madelene; et al.

Cerebral arterial stiffness blood-brain barrier integrity and white matter lesion progression

Björnfot, Cecilia; Vikner, Tomas; Larsson, Jenny; et al.

Feasibility of deep image prior for noise reduction in quantitative DCE-MRI: a proof-of-concept

Hellström, Max; Vikner, Tomas; Eklund, Anders; et al.

Blood-brain barrier permeability, vascular density, and cerebral 4D flow MRI hemodynamics in a population-based elderly cohort

Vikner, Tomas; Garpebring, Anders; Björnfot, Cecilia; et al.

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