Lars Magnus Valnes

  • Postdoc; PhD
 

Publications 2023

Eide PK, Lashkarivand A, Pripp A, Valnes LM, Hovd MH, Ringstad G, Blennow K, Zetterberg H (2023)
Plasma neurodegeneration biomarker concentrations associate with glymphatic and meningeal lymphatic measures in neurological disorders
Nat Commun, 14 (1), 2084
DOI 10.1038/s41467-023-37685-5, PubMed 37045847

Eide PK, Lashkarivand A, Pripp AH, Valnes LM, Hovd M, Ringstad G, Blennow K, Zetterberg H (2023)
Mechanisms behind changes of neurodegeneration biomarkers in plasma induced by sleep deprivation
Brain Commun, 5 (6), fcad343
DOI 10.1093/braincomms/fcad343, PubMed 38130841

Eide PK, Lindstrøm EK, Pripp AH, Valnes LM, Ringstad G (2023)
Physiological alterations of pineal recess crowding in symptomatic non-hydrocephalic pineal cysts
Brain Commun, 5 (2), fcad078
DOI 10.1093/braincomms/fcad078, PubMed 37501910

Melin E, Ringstad G, Valnes LM, Eide PK (2023)
Human parasagittal dura is a potential neuroimmune interface
Commun Biol, 6 (1), 260
DOI 10.1038/s42003-023-04634-3, PubMed 36906686

Ringstad G, Valnes LM, Vatnehol SAS, Pripp AH, Eide PK (2023)
Prospective T1 mapping to assess gadolinium retention in brain after intrathecal gadobutrol
Neuroradiology, 65 (9), 1321-1331
DOI 10.1007/s00234-023-03198-7, PubMed 37479768

Sperre A, Karsrud I, Rodum AHS, Lashkarivand A, Valnes LM, Ringstad G, Eide PK (2023)
Prospective Safety Study of Intrathecal Gadobutrol in Different Doses
AJNR Am J Neuroradiol, 44 (5), 511-516
DOI 10.3174/ajnr.A7841, PubMed 37024308

Publications 2022

Eide PK, Lashkarivand A, Hagen-Kersten ÅA, Gjertsen Ø, Nedregaard B, Sletteberg R, Løvland G, Vatnehol SAS, Pripp AH, Valnes LM, Ringstad G (2022)
Intrathecal Contrast-Enhanced Magnetic Resonance Imaging of Cerebrospinal Fluid Dynamics and Glymphatic Enhancement in Idiopathic Normal Pressure Hydrocephalus
Front Neurol, 13, 857328
DOI 10.3389/fneur.2022.857328, PubMed 35463139

Eide PK, Pripp AH, Berge B, Hrubos-Strøm H, Ringstad G, Valnes LM (2022)
Altered glymphatic enhancement of cerebrospinal fluid tracer in individuals with chronic poor sleep quality
J Cereb Blood Flow Metab, 42 (9), 1676-1692
DOI 10.1177/0271678X221090747, PubMed 35350917

Hornkjøl M, Valnes LM, Ringstad G, Rognes ME, Eide PK, Mardal KA, Vinje V (2022)
CSF circulation and dispersion yield rapid clearance from intracranial compartments
Front Bioeng Biotechnol, 10, 932469
DOI 10.3389/fbioe.2022.932469, PubMed 36172015

Publications 2021

Eide PK, Pripp AH, Ringstad G, Valnes LM (2021)
Impaired glymphatic function in idiopathic intracranial hypertension
Brain Commun, 3 (2), fcab043
DOI 10.1093/braincomms/fcab043, PubMed 34235434

Eide PK, Valnes LM, Lindstrøm EK, Mardal KA, Ringstad G (2021)
Direction and magnitude of cerebrospinal fluid flow vary substantially across central nervous system diseases
Fluids Barriers CNS, 18 (1), 16
DOI 10.1186/s12987-021-00251-6, PubMed 33794929

Publications 2020

Valnes LM, Mitusch SK, Ringstad G, Eide PK, Funke SW, Mardal KA (2020)
Apparent diffusion coefficient estimates based on 24 hours tracer movement support glymphatic transport in human cerebral cortex
Sci Rep, 10 (1), 9176
DOI 10.1038/s41598-020-66042-5, PubMed 32514105

Publications 2019

Eide PK, Valnes LM, Pripp AH, Mardal KA, Ringstad G (2019)
Delayed clearance of cerebrospinal fluid tracer from choroid plexus in idiopathic normal pressure hydrocephalus
J Cereb Blood Flow Metab, 40 (9), 1849-1858
DOI 10.1177/0271678X19874790, PubMed 31495299

Storvestre GB, Valnes LM, Jensen A, Nerland S, Tesli N, Hymer KE, Rosaeg C, Server A, Ringen PA, Jacobsen M, Andreassen OA, Agartz I, Melle I, Haukvik UK (2019)
A preliminary study of cortical morphology in schizophrenia patients with a history of violence
Psychiatry Res Neuroimaging, 288, 29-36
DOI 10.1016/j.pscychresns.2019.04.013, PubMed 31071542

Vinje V, Ringstad G, Lindstrøm EK, Valnes LM, Rognes ME, Eide PK, Mardal KA (2019)
Respiratory influence on cerebrospinal fluid flow - a computational study based on long-term intracranial pressure measurements
Sci Rep, 9 (1), 9732
DOI 10.1038/s41598-019-46055-5, PubMed 31278278

Publications 2018

Ringstad G, Valnes LM, Dale AM, Pripp AH, Vatnehol SS, Emblem KE, Mardal KA, Eide PK (2018)
Brain-wide glymphatic enhancement and clearance in humans assessed with MRI
JCI Insight, 3 (13)
DOI 10.1172/jci.insight.121537, PubMed 29997300

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