Tomas Vikner
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View article: Imaging blood to periarterial CSF flow coupling using 4D flow MRI and an ultra-high-performance head-only gradient system
Imaging blood to periarterial CSF flow coupling using 4D flow MRI and an ultra-high-performance head-only gradient system Open
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View article: Synchronous quantification of arterial, venous, and cerebrospinal fluid flow dynamics using real-time phase-contrast MRI
Synchronous quantification of arterial, venous, and cerebrospinal fluid flow dynamics using real-time phase-contrast MRI Open
Breathing patterns induced significant responses across neurofluids including in flow rates, flow power, and coupling parameters. Higher cross-correlation among synchronous measures support benefits over asynchronous measures for neuroflui…
View article: MRI contrast accumulation in features of cerebral small vessel disease: blood-brain barrier dysfunction or elevated vascular density?
MRI contrast accumulation in features of cerebral small vessel disease: blood-brain barrier dysfunction or elevated vascular density? Open
View article: Simultaneous and synchronous characterization of blood and CSF flow dynamics using multiple Venc PC MRI
Simultaneous and synchronous characterization of blood and CSF flow dynamics using multiple Venc PC MRI Open
Neurofluid dynamics are crucial for maintaining brain homeostasis and facilitating the clearance of brain metabolites through the coupling of arterial and venous blood with cerebrospinal fluid (CSF). Two-dimensional phase contrast (PC) mag…
View article: 4D flow MRI of CSF dynamics: relations to CSF morphology and Aβ status
4D flow MRI of CSF dynamics: relations to CSF morphology and Aβ status Open
Background Cerebrospinal fluid (CSF) dynamics are increasingly studied to understand potential pathologic coupling with neurological disorders. In Alzheimer’s disease (AD), CSF dynamics may be altered secondary to AD‐related atrophy and en…
View article: 4D flow MRI of CSF dynamics: relations to CSF morphology and Aβ status
4D flow MRI of CSF dynamics: relations to CSF morphology and Aβ status Open
Background Cerebrospinal fluid (CSF) dynamics are increasingly studied to understand potential pathologic coupling with neurological disorders. In Alzheimer’s disease (AD), CSF dynamics may be altered secondary to AD‐related atrophy and en…
View article: CSF dynamics throughout the ventricular system using 4D flow MRI: associations to arterial pulsatility, ventricular volumes, and age
CSF dynamics throughout the ventricular system using 4D flow MRI: associations to arterial pulsatility, ventricular volumes, and age Open
View article: Blood–brain barrier integrity is linked to cognitive function, but not to cerebral arterial pulsatility, among elderly
Blood–brain barrier integrity is linked to cognitive function, but not to cerebral arterial pulsatility, among elderly Open
View article: Four‐dimensional flow MRI for quantitative assessment of cerebrospinal fluid dynamics: Status and opportunities
Four‐dimensional flow MRI for quantitative assessment of cerebrospinal fluid dynamics: Status and opportunities Open
Neurological disorders can manifest with altered neurofluid dynamics in different compartments of the central nervous system. These include alterations in cerebral blood flow, cerebrospinal fluid (CSF) flow, and tissue biomechanics. Noninv…
View article: Longitudinal stability in working memory and frontal activity in relation to general brain maintenance
Longitudinal stability in working memory and frontal activity in relation to general brain maintenance Open
View article: 5‐Year Associations among Cerebral Arterial Pulsatility, Perivascular Space Dilation, and White Matter Lesions
5‐Year Associations among Cerebral Arterial Pulsatility, Perivascular Space Dilation, and White Matter Lesions Open
Objective High cerebral arterial pulsatility index (PI), white matter lesions (WMLs), enlarged perivascular spaces (PVSs), and lacunar infarcts are common findings in the elderly population, and considered indicators of small vessel diseas…
View article: Cerebral arterial pulsatility is linked to hippocampal microvascular function and episodic memory in healthy older adults
Cerebral arterial pulsatility is linked to hippocampal microvascular function and episodic memory in healthy older adults Open
Microvascular damage in the hippocampus is emerging as a central cause of cognitive decline and dementia in aging. This could be a consequence of age-related decreases in vascular elasticity, exposing hippocampal capillaries to excessive c…
View article: Characterizing pulsatility in distal cerebral arteries using 4D flow MRI
Characterizing pulsatility in distal cerebral arteries using 4D flow MRI Open
Recent reports have suggested that age-related arterial stiffening and excessive cerebral arterial pulsatility cause blood–brain barrier breakdown, brain atrophy and cognitive decline. This has spurred interest in developing non-invasive m…
View article: Modeling and control of mill discharge pumps in the Aitik copper mine
Modeling and control of mill discharge pumps in the Aitik copper mine Open
Boliden Aitik is the largest open-pit copper mine in Sweden, and during 2017, more than 39 million tonnes of ore was processed into concentrated copper, silver and gold. The distributed control system 800xA is provided by ABB, and this is …