Johannes Lagethon Bjørnstad

  • Associate Professor; MD, PhD
 

Publications 2020

Bjornstad JL, Bendz B (2020)
Periprocedural myocardial injury in the EXCEL trial DISCUSSION
Eur. Heart J., 41 (17), 1703
DOI 10.1093/eurheartj/ehaa182

Bjornstad JL, Khan AM, Roed-Undlien H, Bendz B, Nygard S, Hoel TN, Lingaas PS (2020)
Operative survival in patients with acute aortic disease in the era of newer oral anticoagulants
Open Heart, 7 (2), e001278
DOI 10.1136/openhrt-2020-001278

Helgeland E, Andresen K, Dumont KA, Bjornstad JL (2020)
Leaflet fracture and embolization from an On-X mechanical mural valve
JTCVS Tech., 3, 140-143
DOI 10.1016/j.xjtc.2020.06.021

Publications 2019

Nuru A, Weltzien JAH, Sandvik L, Tonnessen T, Bjornstad JL (2019)
Short- and long-term survival after isolated coronary artery bypass grafting, the impact of gender and age
Scand. Cardiovasc. J., 53 (6), 342-347
DOI 10.1080/14017431.2019.1646430

Publications 2015

Majak P, Lunde IG, Hasic AK, Husebye T, Christensen G, Tonnessen T, Bjornstad JL (2015)
Reduced visfatin levels in aortic stenosis increase after aortic valve replacement and may contribute to reverse left ventricular remodelling
J. Cardiovasc. Surg., 56 (3), 483-492

Skrbic B, Engebretsen KVT, Strand ME, Lunde IG, Herum KM, Marstein HS, Sjaastad I, Lunde PK, Carlson CR, Christensen G, Bjornstad JL, Tonnessen T (2015)
Lack of collagen VIII reduces fibrosis and promotes early mortality and cardiac dilatation in pressure overload in mice
Cardiovasc. Res., 106 (1), 32-42
DOI 10.1093/cvr/cvv041

Publications 2014

Engebretsen KVT, Skardal K, Bjornstad S, Marstein HS, Skrbic B, Sjaastad I, Christensen G, Bjornstad JL, Tonnessen T (2014)
Attenuated development of cardiac fibrosis in left ventricular pressure overload by SM16, an orally active inhibitor of ALK5
J. Mol. Cell. Cardiol., 76, 148-157
DOI 10.1016/j.yjmcc.2014.08.008

Nygard S, Reitan T, Clancy T, Nygaard V, Bjornstad J, Skrbic B, Tonnessen T, Christensen G, Hovig E (2014)
Identifying pathogenic processes by integrating microarray data with prior knowledge
BMC Bioinformatics, 15, 115
DOI 10.1186/1471-2105-15-115

Publications 2013

Engebretsen KVT, Lunde IG, Strand ME, Waehre A, Sjaastad I, Marstein HS, Skrbic B, Dahl CP, Askevold ET, Christensen G, Bjornstad JL, Tonnessen T (2013)
Lumican is increased in experimental and clinical heart failure, and its production by cardiac fibroblasts is induced by mechanical and proinflammatory stimuli
FEBS J., 280 (10), 2382-2398
DOI 10.1111/febs.12235

Engebretsen KVT, Waehre A, Bjornstad JL, Skrbic B, Sjaastad I, Behmen D, Marstein HS, Yndestad A, Aukrust P, Christensen G, Tonnessen T (2013)
Decorin, lumican, and their GAG chain-synthesizing enzymes are regulated in myocardial remodeling and reverse remodeling in the mouse
J. Appl. Physiol., 114 (8), 988-997
DOI 10.1152/japplphysiol.00793.2012

Skrbic B, Bjornstad JL, Marstein HS, Carlson CR, Sjaastad I, Nygard S, Bjornstad S, Christensen G, Tonnessen T (2013)
Differential regulation of extracellular matrix constituents in myocardial remodeling with and without heart failure following pressure overload
Matrix Biol., 32 (2), 133-142
DOI 10.1016/j.matbio.2012.11.011

Publications 2012

Bjornstad JL, Skrbic B, Marstein HS, Hasic A, Sjaastad I, Louch WE, Florholmen G, Christensen G, Tonnessen T (2012)
Inhibition of SMAD2 phosphorylation preserves cardiac function during pressure overload
Cardiovasc. Res., 93 (1), 100-110
DOI 10.1093/cvr/cvr294

Bjornstad JL, Skrbic B, Sjaastad I, Bjornstad S, Christensen G, Tonnessen T (2012)
A mouse model of reverse cardiac remodelling following banding-debanding of the ascending aorta
Acta Physiol., 205 (1), 92-102
DOI 10.1111/j.1748-1716.2011.02369.x

Majak P, Bjornstad JL, Braathen B, Lunde IG, Husebye T, Christensen G, Tonnessen T (2012)
Endothelin-1 in the Human Myocardium and Circulating Plasma: Evaluation before, during and after Correction of Aortic Stenosis with Aortic Valve Replacement
Cardiology, 123 (1), 1-10
DOI 10.1159/000339756

Majak P, Braathen B, Bjornstad JL, Tonnessen T (2012)
GDF-15 is increased during early reperfusion following aortic valve replacement
Scand. Cardiovasc. J., 46 (2), 99-106
DOI 10.3109/14017431.2011.649489

Publications 2011

Bjornstad JL, Sjaastad I, Nygard S, Hasic A, Ahmed MS, Attramadal H, Finsen AV, Christensen G, Tonnessen T (2011)
Collagen isoform shift during the early phase of reverse left ventricular remodelling after relief of pressure overload
Eur. Heart J., 32 (2), 236-245
DOI 10.1093/eurheartj/ehq166

Bjørnstad JL (2011)
The TGFβ/SMAD signalling system and extracellular matrixchanges in myocardial remodelling and reverse remodelling following correction of pressure overload
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 1136, 1 b. (flere pag.)
BIBSYS 112811485, ISBN 978-82-8264-139-5

Publications 2010

Majak P, Bjornstad J, Vengen OA, Neverdal NO, Husebye T, Woldbaek P, Pepper J, Lie M, Christensen G, Tonnessen T (2010)
Plasma IL-18 and IL-18BP are altered differently in reverse remodeling following aortic valve replacement
Scand. Cardiovasc. J., 44 (2), 113-118
DOI 10.3109/14017430903426902

Publications 2008

Bjornstad JL, Neverdal NO, Vengen OA, Knudsen CW, Husebye T, Pepper J, Lie M, Christensen G, Tonnessen T (2008)
Alterations in circulating activin A, GDF-15, TGF-beta 3 and MMP-2,-3, and-9 during one year of left ventricular reverse remodelling in patients operated for severe aortic stenosis
Eur. J. Heart Fail., 10 (12), 1201-1207
DOI 10.1016/j.ejheart.2008.09.010