Ivar Sjaastad

Oslo University Hospital — Norway

Medicine · Health Sciences

52h-index8.2kcitations365works1.62yr avg
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Research Topics

Cardiac electrophysiology and arrhythmias(120), Ion channel regulation and function(74), Cardiovascular Function and Risk Factors(58), Cardiomyopathy and Myosin Studies(55), Cardiac Fibrosis and Remodeling(44)

Publications363 total

Sacubitril/valsartan preserves kidney function in rats with cardiorenal syndrome after myocardial infarction
PLoS ONE·2025Open Access
Syndecan-4 interacts directly with β-parvin and regulates the ILK-PINCH-β-parvin complex, the β-parvin-β-PIX-Rac1 axis, and cardiomyocyte geometry in a sex-dependent manner
Frontiers in Cell and Developmental Biology·2025· 2 citedOpen Access
Segmented Look–Locker With Inversion Efficiency Correction (SELLIE) for Accurate and Precise Cardiac <i>T</i><sub>1</sub> Mapping in Rat Hearts at 9.4‐T MRI
NMR in Biomedicine·2025
Predictors of persistent active disease and the longitudinal development of organ damage, patient-reported outcomes and autoantibodies in long-term juvenile dermatomyositis
RMD Open·2025Open Access
Feasibility of magnetic resonance elastography in the healthy rat heart
Magnetic Resonance in Medicine·2025Open Access
Non-invasive estimation of left ventricular chamber stiffness using cardiovascular magnetic resonance and echocardiography
Journal of Cardiovascular Magnetic Resonance·2025· 1 citedOpen Access
Underlying mechanical efficiency after myocardial infarction
Journal of Cardiovascular Magnetic Resonance·2025Open Access
Longitudinal cardiovascular magnetic resonance evaluation of progressive pressure overload due to O-ring induced ascending aortic constriction in rats
Journal of Cardiovascular Magnetic Resonance·2025Open Access
Sacubitril/Valsartan Preserves Regional Cardiac Function Following Myocardial Infarction in Rats
ESC Heart Failure·2024· 2 citedOpen Access
Rapid, accurate and precise T1 mapping in rat heart at 9.4 T MRI
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·2024
Entropy of MRI T1 mapping as a novel biomarker to evaluate heart diastolic function and stiffness
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·2024
Elevated levels of peripheral and central nervous system immune markers reflect innate immune dysregulation in autism spectrum disorder
Psychiatry Research·2024· 5 citedOpen Access
Cellular immunity against cytomegalovirus and risk of infection after kidney transplantation
Frontiers in Immunology·2024· 4 citedOpen Access
Echocardiography - a non-invasive alternative for assessing cardiac morphology and function in Atlantic salmon (Salmo salar L.)
Aquaculture·2024· 5 citedOpen Access
Regulation of cardiomyocyte t‐tubule structure by preload and afterload: Roles in cardiac compensation and decompensation
The Journal of Physiology·2024· 9 citedOpen Access
Echocardiography - a Non-Invasive Alternative for Assessing Cardiac Morphology and Function in Atlantic Salmon (Salmo Salar L.)
SSRN Electronic Journal·2024· 1 citedOpen Access
Left Ventricular Myocardial Work in Patients with Aortic Stenosis Measured by Cardiovascular Magnetic Resonance: A Proof-of-concept
Journal of Cardiovascular Magnetic Resonance·2024Open Access
Non-invasive Prediction of Increased Left Ventricular Chamber Stiffness Using Echocardiography and Cardiac Magnetic Resonance Imaging
Journal of Cardiovascular Magnetic Resonance·2024Open Access
Temporal expression and spatial distribution of the proteoglycan versican during cardiac fibrosis development
Matrix Biology Plus·2023· 13 citedOpen Access
New therapeutic strategy targeting regulation of the SERCA2 complex protects from myocardial ischemia-reperfusion injury
European Heart Journal·2023Open Access
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Frequent Co-authors

Geir Christensen(24), Ole M. Sejersted(21), William E. Louch(18), Jan Magnus Aronsen(18), Ida G. Lunde(13), Theis Tønnessen(9), Biljana Skrbic(9), Cathrine R. Carlson(7), Per Lunde(7), Mari E. Strand(6), Eirik Qvigstad(5), Helga Sanner(5), Kristin V. T. Engebretsen(5), Alexandra Vanessa Finsen(4), Kate M. Herum(4), Michael Frisk(4), Emil Knut Stenersen Espe(4), Christen P. Dahl(4), Henriette S. Marstein(4), Berit Flatø(4)