Stein Ørn
Professor
Contact
Email: stein.orn@uis.no
Department
Faculty of Science and Technology
Department of Electrical Engineering and Computer Science
Publications
Vitenskapelige publikasjoner
Erevik, Christine Bjørkvik; Kleiven, Øyunn; Frøysa, Vidar; Bjørkavoll-Bergseth, Magnus; Chivulescu, Ana Monica; Klæboe, Lars Gunnar; Dejgaard, Lars; Auestad, Bjørn Henrik; Skadberg, Øyvind; Melberg, Tor Harald; Urheim, Stig; Haugaa, Kristina Ingrid Helena Hermann; Edvardsen, Thor; Ørn, Stein
(2024)
Echocardiographic assessment of myocardial efficiency predicts exercise performance.European Journal of Sport Science (EJSS).
ISSN 1746-1391.
Volum 24.
Hefte 3.
s.319-329.
DOI: 10.1002/ejsc.12082
Ueland, Thor; Butt, Noreen; Lekva, Tove; Ørn, Stein; Manhenke, Cord Arend; Aukrust, Pål; Larsen, Alf Inge
(2024)
High dose statin treatment reduces circulating Dickkopf-1 following acute myocardial infarction.International Journal of Cardiology.
ISSN 0167-5273.
Volum 406.
Bjørkavoll-Bergseth, Magnus; Erevik, Christine Bjørkvik; Kleiven, Øyunn; Wiktorski, Tomasz; Auestad, Bjørn Henrik; Skadberg, Øyvind; Aakre, Kristin Moberg; Eijsvogels, Thijs M. H.; Ørn, Stein
(2024)
The relationship between workload and exercise-induced cardiac troponin elevations is influenced by non-obstructive coronary atherosclerosis.Scandinavian Journal of Medicine & Science in Sports.
ISSN 0905-7188.
Volum 34.
Hefte 5.
DOI: 10.1111/sms.14667
Myhre, Peder Langeland; Kleiven, Øyunn; Berge, Kristian; Grundtvig, Morten; Gullestad, Lars; Ørn, Stein
(2024)
Changes in 6-min walk test is an independent predictor of death in chronic heart failure with reduced ejection fraction.European Journal of Heart Failure.
ISSN 1388-9842.
DOI: 10.1002/ejhf.3391
Erevik, Christine Bjørkvik; Kleiven, Øyunn; Frøysa, Vidar; Bjørkavoll-Bergseth, Magnus; Chivulescu, Ana Monica; Klæboe, Lars Gunnar; Dejgaard, Lars; Auestad, Bjørn Henrik; Skadberg, Øyvind; Melberg, Tor Harald; Urheim, Stig; Haugaa, Kristina Ingrid Helena Hermann; Edvardsen, Thor; Ørn, Stein
(2024)
Exercise-Induced Cardiac Troponin I Elevation Is Associated With Regional Alterations in Left Ventricular Strain in High-Troponin Responders.Journal of the American Heart Association (JAHA).
ISSN 2047-9980.
Volum 13.
Hefte 16.
Erevik, Christine Bjørkvik; Kleiven, Øyunn; Frøysa, Vidar; Bjørkavoll-Bergseth, Magnus; Chivulescu, Ana Monica; Klæboe, Lars Gunnar; Dejgaard, Lars; Auestad, Bjørn Henrik; Skadberg, Øyvind; Melberg, Tor Harald; Urheim, Stig; Haugaa, Kristina Ingrid Helena Hermann; Edvardsen, Thor; Ørn, Stein
(2023)
Myocardial inefficiency is an early indicator of exercise-induced myocardial fatigue.Frontiers in Cardiovascular Medicine.
ISSN 2297-055X.
Volum 9.
s.1-12.
Svane, Jakob; Wiktorski, Tomasz; Ørn, Stein; Eftestøl, Trygve Christian
(2023)
Recurrent Neural Networks for Artifact Correction in HRV Data During Physical Exercise.Nordic Machine Intelligence (NMI).
ISSN 2703-9196.
Volum 3.
Hefte 1.
s.1-12.
DOI: 10.5617/nmi.10140
Svane, Jakob; Wiktorski, Tomasz; Ørn, Stein; Eftestøl, Trygve Christian
(2023)
Optimizing support vector machines and autoregressive integrated moving average methods for heart rate variability data correction.MethodsX.
ISSN 2215-0161.
Volum 11.
Hall, Trygve Sørdahl; Ørn, Stein; Zannad, Faiez; Rossignol, Patrick; Duarte, Kevin; Solomon, Scott D.; Atar, Dan; Agewall, Stefan; Dickstein, Kenneth; Girerd, Nicolas
(2022)
The Association of Smoking with Hospitalization and Mortality Differs According to Sex in Patients with Heart Failure Following Myocardial Infarction.Journal of Women's Health.
ISSN 1540-9996.
Volum 31.
Hefte 3.
s.310-320.
Gonzalez, Alba; Haugaa, Kristina Ingrid Helena Hermann; Brekke, Pål Haugar; Hopp, Einar; Ørn, Stein; Alvestad, Silje; Taubøll, Erik; Aurlien, Dag
(2022)
Cardiac Structure and Function in Epilepsy Patients with Drug-Resistant Convulsive Seizures.Case Reports in Neurology.
ISSN 1662-680X.
Volum 14.
Hefte 1.
s.88-97.
DOI: 10.1159/000522237
Bjørnestad, Espen Øglænd; Dhar, Indu; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Kristine Ringdal; Ørn, Stein; Svenningsson, Mads Malm; Tell, Grethe Seppola; Ueland, Per Magne; Sulo, Gerhard; Laaksonen, Reijo; Nygård, Ottar Kjell
(2022)
Circulating trimethylamine N-oxide levels do not predict 10-year survival in patients with or without coronary heart disease.Journal of Internal Medicine.
ISSN 0954-6820.
Volum 292.
Hefte 6.
s.915-924.
DOI: 10.1111/joim.13550
Thorsen, Inga Strand; Gøransson, Lasse Gunnar; Ueland, Thor; Aukrust, Pål; Manhenke, Cord A; Skadberg, Øyvind; Jonsson, Grete; Ørn, Stein
(2021)
The relationship between Fibroblast Growth Factor 23 (FGF23) and cardiac MRI findings following primary PCI in patients with acute first time STEMI.International journal of cardiology: Heart and Vasculature (IJCHA).
ISSN 2352-9067.
Volum 33:100727.
s.1-6.
Hansen, Mette Wærstad; Ørn, Stein; Erevik, Christine Bjørkvik; Bjørkavoll-Bergseth, Magnus Friestad; Skadberg, Øyvind; Melberg, Tor Harald; Aakre, Kristin Moberg; Kleiven, Øyunn
(2021)
Regular consumption of cod liver oil is associated with reduced basal and exercise-induced C-reactive protein levels; a prospective observational trial: A NEEDED (The North Sea Race Endurance Exercise Study) 2014 sub-study.Journal of the International Society of Sports Nutrition (JISSN).
ISSN 1550-2783.
Volum 18.
s.1-10.
Bjørkavoll-Bergseth, Magnus; Erevik, Christine Bjørkvik; Kleiven, Øyunn; Eijsvogels, Thijs M. H.; Skadberg, Øyvind; Frøysa, Vidar; Wiktorski, Tomasz; Auestad, Bjørn Henrik; Edvardsen, Thor; Aakre, Kristin Moberg; Ørn, Stein
(2021)
Determinants of interindividual variation in exercise-induced cardiac troponin I levels.Journal of the American Heart Association (JAHA).
ISSN 2047-9980.
Volum 10.
Hefte 17.
s.1-14.
Bjørnestad, Espen Øglænd; Dhar, Indu; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Kristine Ringdal; Svenningsson, Mads Malm; Tell, Grethe Seppola; Ueland, Per Magne; Ørn, Stein; Sulo, Gerhard; Laaksonen, Reijo; Nygård, Ottar Kjell
(2021)
Trimethyllysine predicts all-cause and cardiovascular mortality in community-dwelling adults and patients with coronary heart disease.European Heart Journal Open (EHJ Open).
Volum 1.
Hefte 1.
Frøysa, Vidar; Berg, Gøran Jansson; Eftestøl, Trygve Christian; Woie, Leik; Ørn, Stein
(2021)
Texture-based probability mapping for automatic scar assessment in late gadolinium-enhanced cardiovascular magnetic resonance images.European Journal of Radiology Open (EJR Open).
ISSN 2352-0477.
Volum 8.
s.1-8.
Aengevaeren, Vincent L; Baggish, Aaron L; Chung, Eugene H.; George, Keith; Kleiven, Øyunn; Mingels, Alma M. A.; Ørn, Stein; Shave, Rob E.; Thompson, Paul; Eijsvogels, Thijs M. H.
(2021)
Exercise-induced cardiac troponin elevations: From underlying mechanisms to clinical relevance.Circulation.
ISSN 0009-7322.
Volum 144.
Hefte 24.
s.1955-1972.
Kleiven, Øyunn; Edvardsen, Thor; Ørn, Stein
(2021)
Echocardiography in the pre-participation evaluation of asymptomatic athletes: The never-ending story.European Journal of Preventive Cardiology (EJPC).
ISSN 2047-4873.
Volum 28.
Hefte 10.
s.1068-1070.
Grundtvig, Morten; Eriksen-Volnes, Torfinn; Ørn, Stein; Slind, Eva Kjøl; Gullestad, Lars
(2020)
6 min walk test is a strong independent predictor of death in outpatients with heart failure.ESC Heart Failure.
ISSN 2055-5822.
s.1-8.
DOI: 10.1002/ehf2.12900
Wiktorski, Tomasz; Bjørkavoll-Bergseth, Magnus; Ørn, Stein
(2020)
Methods for preprocessing time and distance series data from personal monitoring devices.MethodsX.
ISSN 2215-0161.
Volum 7.
Kleiven, Øyunn; Bjørkavoll-Bergseth, Magnus; Omland, Torbjørn; Aakre, Kristin Moberg; Frøysa, Vidar; Erevik, Christine Bjørkvik; Greve, Ole Jacob; Melberg, Tor Harald; Auestad, Bjørn Henrik; Skadberg, Øyvind; Edvardsen, Thor; Ørn, Stein
(2020)
Endurance exercise training volume is not associated with progression of coronary artery calcification.Scandinavian Journal of Medicine & Science in Sports.
ISSN 0905-7188.
Volum 30.
s.1024-1032.
DOI: 10.1111/sms.13643
Bjørkavoll-Bergseth, Magnus; Kleiven, Øyunn; Auestad, Bjørn Henrik; Eftestøl, Trygve Christian; Oskal, Kay Raymond; Nygård, Martin; Skadberg, Øyvind; Aakre, Kristin Moberg; Melberg, Tor Harald; Gjesdal, Knut; Ørn, Stein
(2020)
Duration of elevated heart rate Is an important predictor of exercise-induced troponin elevation.Journal of the American Heart Association (JAHA).
ISSN 2047-9980.
Volum 9:e14408.
Hefte 4.
s.1-19.
Skranes, Julia Brox; Kleiven, Øyunn; Aakre, Kristin Moberg; Skadberg, Øyvind; Melberg, Tor Harald; Omland, Torbjørn; Ørn, Stein
(2020)
High-Sensitivity Cardiac Troponin I and T Response Following Strenuous Activity is Attenuated by Smokeless Tobacco: NEEDED (North Sea Race Endurance Exercise Study) 2014.Journal of the American Heart Association (JAHA).
ISSN 2047-9980.
Volum 9.
Krolak, Aleksandra; Wiktorski, Tomasz; Bjørkavoll-Bergseth, Magnus; Ørn, Stein
(2020)
Artifact Correction in Short-Term HRV during Strenuous Physical Exercise.Sensors.
ISSN 1424-8220.
Volum 20.
Hefte 21.
DOI: 10.3390/s20216372
Kleiven, Øyunn; Omland, Torbjørn; Skadberg, Øyvind; Melberg, Tor Harald; Bjørkavoll-Bergseth, Magnus; Auestad, Bjørn Henrik; Bergseth, Rolf; Greve, Ole Jacob; Aakre, Kristin Moberg; Ørn, Stein
(2019)
Race duration and blood pressure are major predictors of exercise-induced cardiac troponin elevation.International Journal of Cardiology.
ISSN 0167-5273.
Volum 283.
s.1-8.
Kleiven, Øyunn; Omland, Torbjørn; Skadberg, Øyvind; Melberg, Tor Harald; Bjørkavoll-Bergseth, Magnus; Auestad, Bjørn Henrik; Bergseth, Rolf; Greve, Ole Jacob; Aakre, Kristin Moberg; Ørn, Stein
(2019)
Occult obstructive coronary artery disease is associated with prolonged cardiac troponin elevation following strenuous exercise.European Journal of Preventive Cardiology (EJPC).
ISSN 2047-4873.
s.1-10.
Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Kleiven, Øyunn; Ørn, Stein
(2019)
Baseline Wander Removal and Isoelectric Correction in Electrocardiograms Using Clustering.Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing.
ISSN 1520-6149.
Volum 2019-May.
s.1274-1278.
Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Kleiven, Øyunn; Ørn, Stein
(2019)
Validation of Baseline Wander Removal and Isoelectric Correction in Electrocardiograms Using Clustering.European Signal Processing Conference.
ISSN 2076-1465.
Kleiven, Øyunn; Bjørkavoll-Bergseth, Magnus; Melberg, Tor Harald; Skadberg, Øyvind; Bergseth, Rolf; Selvåg, Jone; Auestad, Bjørn Henrik; Aukrust, Pål; Aarsland, Torbjørn; Ørn, Stein
(2018)
High physical fitness is associated with reduction in basal and exercise induced inflammation.Scandinavian Journal of Medicine & Science in Sports.
ISSN 0905-7188.
Volum 28.
Hefte 1.
s.172-179.
DOI: 10.1111/sms.12878
Aakre, Kristin Moberg; Kleiven, Øyunn; Skadberg, Øyvind; Bjørkavoll-Bergseth, Magnus; Melberg, Tor Harald; Strand, Heidi; Hagve, Tor-Arne; Ørn, Stein
(2018)
The copeptin response after physical activity is not associated with cardiac biomarkers or asymptomatic coronary artery disease: The North Sea Race Endurance Exercise Study (NEEDED) 2013.Clinical Biochemistry.
ISSN 0009-9120.
Volum 52.
s.8-12.
Skadberg, Øyvind; Kleiven, Øyunn; Ørn, Stein; Bjørkavoll-Bergseth, Magnus; Melberg, Tor Harald; Omland, Torbjørn; Aakre, Kristin Moberg
(2018)
The cardiac troponin response following physical exercise in relation to biomarker criteria for acute myocardial infarction; the North Sea Race Endurance Exercise Study (NEEDED) 2013.Clinica Chimica Acta.
ISSN 0009-8981.
Volum 479.
s.155-159.
Vikse, Jens; Ørn, Stein; de Romijn, Bas Jeroen; Greve, Ole Jacob; Norheim, Katrine Brække
(2018)
Kardial sarkoidose.Tidsskrift for Den norske legeforening.
ISSN 0029-2001.
Volum 138.
Hefte 4.
s.362-366.
Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Ørn, Stein; Kleiven, Øyunn
(2018)
High Frequency Noise Detection and Handling in ECG Signals.European Signal Processing Conference.
ISSN 2076-1465.
s.46-50.
Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Kleiven, Øyunn; Ørn, Stein
(2018)
Invariant electrical mean axis in electrocardiogram.Computing in cardiology.
ISSN 2325-8861.
Volum 45.
Dlugosz, Dominika; Eftestøl, Trygve Christian; Krolak, Aleksandra; Wiktorski, Tomasz; Ørn, Stein
(2018)
The North Sea bicycle race ECG project: Time-domain analysis.Journal of Automation, Mobile Robotics & Intelligent Systems.
ISSN 1897-8649.
Volum 12.
Hefte 1.
s.23-32.
Svendsen, Ida S.; Tønnessen, Espen; Tjelta, Leif Inge; Ørn, Stein
(2018)
Training, performance, and physiological predictors of a successful elite senior career in junior competitive road cyclists.International Journal of Sports Physiology and Performance (IJSPP).
ISSN 1555-0265.
Volum 13.
Hefte 10.
s.1287-1292.
Długosz, Dominika; Krolak, Aleksandra; Eftestøl, Trygve Christian; Ørn, Stein; Wiktorski, Tomasz; Oskal, Kay Raymond; Nygård, Martin
(2018)
ECG Signal Analysis for Troponin Level Assessment and Coronary Artery Disease Detection: the NEEDED Study 2014.Annals of Computer Science and Information Systems.
ISSN 2300-5963.
Volum 15.
s.1065-1068.
DOI: 10.15439/2018F247
Apeland, Terje; Danielsen, Tore; Staal, Eva Marianne; Åsberg, Anders; Thorsen, Inga Strand; Dalsrud, Tom Ole; Ørn, Stein
(2017)
Risk factors for exertional rhabdomyolysis with renal stress.BMJ Open sport & exercise medicine.
ISSN 2055-7647.
Volum 3.
Hefte 1.
Skadberg, Øyvind; Kleiven, Øyunn; Bjørkavoll-Bergseth, Magnus; Melberg, Tor Harald; Bergseth, Rolf; Selvåg, Jone; Auestad, Bjørn Henrik; Greve, Ole Jacob; Dickstein, Kenneth; Aarsland, Torbjørn; Ørn, Stein
(2017)
Highly increased Troponin i levels following high-intensity endurance cycling may detect subclinical coronary artery disease in presumably healthy leisure sport cyclists: The North Sea Race Endurance Exercise Study (NEEDED) 2013.European Journal of Preventive Cardiology (EJPC).
ISSN 2047-4873.
Volum 24.
Hefte 8.
s.885-894.
Długosz, Dominika; Eftestøl, Trygve Christian; Ørn, Stein; Wiktorski, Tomasz; Krolak, Aleksandra
(2017)
The North Sea Bicycle Race ECG Project: Time-Domain Analysis.Annals of Computer Science and Information Systems.
ISSN 2300-5963.
Volum 11.
s.1353-1356.
DOI: 10.15439/2017F303
Singsaas, Erlend Gyllensten; Manhenke, Cord A; Dickstein, Kenneth; Ørn, Stein
(2016)
Circulating galectin-3 levels are increased in patients with ischemic heart disease, but are not influenced by acute myocardial infarction.Cardiology.
ISSN 0008-6312.
Volum 134.
Hefte 4.
s.398-405.
DOI: 10.1159/000445103
Kotu, Lasya Priya; Engan, Kjersti; Borhani, Reza; Katsaggelos, Aggelos K.; Ørn, Stein; Woie, Leik; Eftestøl, Trygve
(2015)
Cardiac magnetic resonance image-based classification of the risk of arrhythmias in post-myocardial infarction patients.Artificial Intelligence in Medicine.
ISSN 0933-3657.
Volum 64.
Hefte 3.
s.205-215.
Woie, Leik; Engan, Kjersti; Eftestøl, Trygve; Kvaløy, Jan Terje; Ørn, Stein
(2015)
The relationship between transmurality of ischemic scars and the heart rate of ventricular tachycardia.Scandinavian Cardiovascular Journal.
ISSN 1401-7431.
Volum 49.
Hefte 5.
s.241-248.
Woie, Leik; Engan, Kjersti; Eftestøl, Trygve; Larsen, Alf Inge; Ørn, Stein
(2015)
The Localization and Characterization of Ischemic Scars in relation to the Infarct Related Coronary Artery Assessed by Cardiac Magnetic Resonance and a Novel Automatic Postprocessing Method.Cardiology Research and Practice.
ISSN 2090-8016.
Volum 2015.
DOI: 10.1155/2015/120874
Eftestøl, Trygve Christian; Singsaas, Erlend Gyllensten; Engan, Kjersti; Woie, Leik; Ørn, Stein
(2015)
Automatic Detection of Microvascular Obstruction in Patients with Myocardial Infarction.Computing in cardiology.
ISSN 2325-8861.
Volum 42.
s.757-760.
Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve Christian; Ørn, Stein; Woie, Leik
(2015)
Segmentation of LG Enhanced Cardiac MRI. I: Proceedings of the International Conference on Bioimaging (BIOIMAGING-2015).SciTePress.
ISBN 978-989-758-072-7.
s.47-55.
Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Woie, Leik; Schuchter, Arthur; Ørn, Stein
(2014)
Automatic Detection of Heart Center in Late Gadolinium Enhanced MRI.International Federation for Medical and Biological Engineering Proceedings.
ISSN 1680-0737.
Volum 41.
s.165-168.
Woie, Leik; Måløy, Frode; Eftestøl, Trygve; Engan, Kjersti; Edvardsen, Thor; Kvaløy, Jan Terje; Ørn, Stein
(2014)
Comparing a novel automatic 3D method for LGE-CMR quantification of scar size with established methods.The International Journal of Cardiovascular Imaging.
ISSN 1569-5794.
Volum 30.
Hefte 2.
s.339-347.
Manhenke, Cord A; Ueland, Thor; Jugdutt, Bodh I.; Godang, Kristin; Aukrust, Pål; Dickstein, Kenneth; Ørn, Stein
(2014)
The relationship between markers of extracellular cardiac matrix turnover: Infarct healing and left ventricular remodelling following primary PCI in patients with first-time STEMI.European Heart Journal.
ISSN 0195-668X.
Volum 35.
Hefte 6.
s.395-402.
Eftestøl, Trygve; Måløy, Frode; Engan, Kjersti; Kotu, Lasya Priya; Woie, Leik; Ørn, Stein
(2014)
A Texture-based Probability Mapping for Localisation of Clinically Important Cardiac Segments in the Myocardium in Cardiac Magnetic Resonance Images from Myocardial Infarction Patients.Proceedings of IEEE International Conference on Image Processing.
ISSN 1522-4880.
s.2227-2231.
Melberg, Tor Harald; Jørgensen, Marianne; Ørn, Stein; Solli, Torhild; Edland, Unni Murvold; Dickstein, Kenneth
(2014)
Safety and health status following early discharge in patients with acute myocardial infarction treated with primary PCI: a randomized trial.European Journal of Preventive Cardiology (EJPC).
ISSN 2047-4873.
Gullestad, Lars; Ørn, Stein; Dickstein, Kenneth; Eek, Christian; Edvardsen, Thor; Aakhus, Svend; Askevold, Erik Tandberg; Michelsen, Annika ; Bendz, Bjørn; Skårdal, Rita; Smith, Hans-Jørgen; Yndestad, Arne; Ueland, Thor; Aukrust, Pål
(2013)
Intravenous immunoglobulin does not reduce left ventricular remodeling in patients with myocardial dysfunction during hospitalization after acute myocardial infarction.International Journal of Cardiology.
ISSN 0167-5273.
Volum 168.
Hefte 1.
s.212-218.
Manhenke, Cord A; Ørn, Stein; von Haehling, Stephan; Wollert, Kai C.; Ueland, Thor; Aukrust, Pål; Voors, Adriaan A.; Squire, Iain; Zannad, Faiez; Anker, Stefan D.; Dickstein, Kenneth
(2013)
Clustering of 37 circulating biomarkers by exploratory factor analysis in patients following complicated acute myocardial infarction.International Journal of Cardiology.
ISSN 0167-5273.
Volum 166.
Hefte 3.
s.729-735.
Gregersen, Ida; Skjelland, Mona; Holm, Sverre; Holven, Kirsten Bjørklund; Sørensen, Kirsten; Russell, David; Askevold, Erik Tandberg; Dahl, Christen Peder; Ørn, Stein; Gullestad, Lars; Mollnes, Tom Eirik; Ueland, Thor; Aukrust, Pål; Halvorsen, Bente
(2013)
Increased Systemic and Local Interleukin 9 Levels in Patients with Carotid and Coronary Atherosclerosis.PLOS ONE.
ISSN 1932-6203.
Volum 8.
Hefte 8.
Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Ørn, Stein; Woie, Leik
(2013)
Automatic Segmentation of the Epicardium in Late Gadolinium Enhanced Cardiac MR Images.
Computers in cardiology.
ISSN 0276-6574.
Volum 40.
s.631-634.
Måløy, Frode; Woie, Leik; Eftestøl, Trygve; Engan, Kjersti; Ørn, Stein
(2013)
Measuring the Degree of Fibrosity of Myocardial Scars from Late Gadolinium- Enhanced Cardiovascular Magnetic Resonance Images.
Computers in cardiology.
ISSN 0276-6574.
Volum 40.
s.647-650.
Kotu, Lasya Priya; Engan, Kjersti; Skretting, Karl; Måløy, Frode; Ørn, Stein; Woie, Leik; Eftestøl, Trygve
(2013)
Probability mapping of scarred myocardium using texture and intensity features in CMR images.Biomedical engineering online.
ISSN 1475-925X.
Volum 12.
Hefte 91.
Kotu, Lasya Priya; Engan, Kjersti; Skretting, Karl; Ørn, Stein; Woie, Leik; Eftestøl, Trygve
(2013)
Segmentation of Scarred Myocardium in Cardiac Magnetic Resonance Images.ISRN Biomedical Imaging.
ISSN 2314-5412.
DOI: 10.1155/2013/504594
Gravning, Jørgen A.; Ørn, Stein; Kaasbøll, Ole Jørgen; Martinov, Vladimir Nikolkaev; Manhenke, Cord A; Dickstein, Kenneth; Edvardsen, Thor; Attramadal, Håvard; Ahmed, Muhammad Shakil
(2012)
Myocardial Connective Tissue Growth Factor (CCN2/CTGF) Attenuates Left Ventricular Remodeling after Myocardial Infarction.PLOS ONE.
ISSN 1932-6203.
Volum 7.
Hefte 12.
Ørn, Stein; Ueland, Toril; Manhenke, Cord A; Sandanger, Øystein; Godang, Kristin; Yndestad, Arne; Mollnes, Tom Eirik; Dickstein, Kenneth; Aukrust, Pål
(2012)
Increased interleukin-1 beta levels are associated with left ventricular hypertrophy and remodelling following acute ST segment elevation myocardial infarction treated by primary percutaneous coronary intervention.Journal of Internal Medicine.
ISSN 0954-6820.
Volum 272.
Hefte 3.
s.267-276.
Smedsrud, Marit Kristine; Sarvari, Sebastian Imre; Haugaa, Kristina; Gjesdal, Ola; Ørn, Stein; Aaberge, Lars; Smiseth, Otto A.; Edvardsen, Thor
(2012)
Duration of Myocardial Early Systolic Lengthening Predicts the Presence of Significant Coronary Artery Disease.Journal of the American College of Cardiology.
ISSN 0735-1097.
Volum 60.
Hefte 12.
s.1086-1093.
Eftestøl, Trygve; Woie, Leik; Engan, Kjersti; Kvaløy, Jan Terje; Nilsen, Dennis W.T.; Ørn, Stein
(2012)
Texture Analysis to Assess Risk of Serious Arrhythmias after Myocardial Infarction.
Computers in cardiology.
ISSN 0276-6574.
s.365-368.
Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Woie, Leik; Ørn, Stein; Katsaggelos, Aggelos K.
(2012)
LOCAL BINARY PATTERNS USED ON CARDIAC MRI TO CLASSIFY HIGH AND LOW RISK PATIENT GROUPS.
European Signal Processing Conference.
ISSN 2076-1465.
Volum 20.
s.2586-2590.
Manhenke, Cord Arend; Ørn, Stein; Squire, Ian; Radauceanu, Anca; Alla, François; Zannad, Faiez; Dickstein, Kenneth
(2011)
The prognostic value of circulating markers of collagen turnover after acute myocardial infarction.International Journal of Cardiology.
ISSN 0167-5273.
Volum 150.
Hefte 3.
s.277-282.
Woie, Leik; Eftestøl, Trygve; Engan, Kjersti; Kvaløy, Jan Terje; Nilsen, Dennis W.T.; Ørn, Stein
(2011)
The heart rate of ventricular tachycardia following an old myocardial infarction is inversely related to the size of scarring.Europace.
ISSN 1099-5129.
Volum 13.
Hefte 6.
s.864-868.
Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Woie, Leik
(2011)
TEXTURE CLASSIFICATION OF SCARRED AND NON-SCARRED MYOCARDIUM IN CARDIAC MRI USING LEARNED DICTIONARIES.Proceedings of IEEE International Conference on Image Processing.
ISSN 1522-4880.
Volum 18.
s.65-68.
Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Woie, Leik
(2011)
Segmentation of Scarred and Non-Scarred Myocardium in LG Enhanced CMR Images using Intensity-Based Textural Analysis.IEEE Engineering in Medicine and Biology Society. Conference Proceedings.
ISSN 1557-170X.
s.5698 -5701 .
Grenne, Bjørnar Leangen; Eek, Christian; Sjøli, Benthe; Dahlslett, Thomas; Hol, Per Kristian; Ørn, Stein; Skulstad, Helge; Smiseth, Otto A.; Edvardsen, Thor; Brunvand, Harald
(2011)
Mean Strain Throughout the Heart Cycle by Longitudinal Two-Dimensional Speckle-Tracking Echocardiography Enables Early Prediction of Infarct Size.Journal of the American Society of Echocardiography.
ISSN 0894-7317.
Volum 24.
Hefte 10.
s.1118-1125.
Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Kvaløy, Jan Terje; Woie, Leik
(2010)
Exploratory Data Analysis of Image Texture and Statistical Features on Myocardium and Infarction Areas in Cardiac Magnetic Resonance Images.IEEE Engineering in Medicine and Biology Society. Conference Proceedings.
ISSN 1557-170X.
s.5728-5731 .
Ørn, Stein; Breland, Unni M.; Mollnes, Tom Eirik; Manhenke, Cord Arend; Dickstein, Kenneth; Aukrust, Pål; Ueland, Thor
(2009)
The Chemokine Network in Relation to Infarct Size and Left Ventricular Remodeling Following Acute Myocardial Infarction.American Journal of Cardiology.
ISSN 0002-9149.
Volum 104.
Hefte 9.
s.1179-1183.
Sjøli, Benthe; Ørn, Stein; Grenne, Bjørnar Leangen; Vartdal, Trond; Smiseth, Otto A.; Edvardsen, Thor; Brunvand, Harald
(2009)
Comparison of Left Ventricular Ejection Fraction and Left Ventricular Global Strain as Determinants of Infarct Size in Patients with Acute Myocardial Infarction.Journal of the American Society of Echocardiography.
ISSN 0894-7317.
Volum 22.
Hefte 11.
s.1232-1238.
Ørn, Stein; Orn, S; Manhenke, Cord Arend; Ueland, Thor; Damås, Jan Kristian; Mollnes, Tom Eirik; Edvardsen, Thor; Aukrust, Pål; Dickstein, Kenneth
(2009)
C-reactive protein, infarct size, microvascular obstruction, and left-ventricular remodelling following acute myocardial infarction.European Heart Journal.
ISSN 0195-668X.
Volum 30.
Hefte 10.
s.1180-1186.
Orn, S; Ørn, Stein; Manhenke, Cord Arend; Greve, Ole Jacob ; Larsen, Alf Inge; Bonarjee, Vernon V.S; Edvardsen, Thor; Dickstein, Kenneth
(2009)
Microvascular obstruction is a major determinant of infarct healing and subsequent left ventricular remodelling following primary percutaneous coronary intervention.European Heart Journal.
ISSN 0195-668X.
Volum 30.
Hefte 16.
s.1978-1985.
Sjøli, Benthe; Ørn, Stein; Grenne, Bjørnar Leangen; Ihlen, Halfdan; Edvardsen, Thor; Brunvand, Harald
(2009)
Diagnostic Capability and Reproducibility of Strain by Doppler and by Speckle Tracking in Patients With Acute Myocardial Infarction.Journal of the American College of Cardiology.
ISSN 0735-1097.
Volum 2.
Hefte 1.
s.24-33.
Munk, Peter Scott; Manhenke, Cord Arend; Ørn, Stein; Greve, Ole Jacob
(2008)
Kontrastbasert MR-undersøkelse av hjerte ved akutt myokarditt.
Tidsskrift for Den norske legeforening.
ISSN 0029-2001.
Volum 128.
Hefte 10.
s.1172-1174.
Ørn, Stein; Manhenke, Cord Arend; Squire, Iain B.; Ng, Leong L.; Anand, Inder S.; Dickstein, Kenneth
(2007)
Plasma MMP-2, MMP-9 and N-BNP in long-term survivors following complicated myocardial infarction: Relation to cardiac magnetic resonance imaging measures of left ventricular structure and function.Journal of Cardiac Failure.
ISSN 1071-9164.
Volum 13.
s.843-849.
Orn, S; Ørn, Stein; Manhenke, Cord Arend; Anand, Inder S.; Squire, I; Squire, Iain B.; Nagel, Eike; Edvardsen, Thor; Dickstein, Kenneth
(2007)
Effect of left ventricular scar size, location, and transmurality on left ventricular remodeling with healed myocardial infarction.American Journal of Cardiology.
ISSN 0002-9149.
Volum 99.
Hefte 8.
s.1104-1114.
Bøker og kapitler
Ørn, Stein; Bach-Gansmo, Edvin
(2022)
Sykdom og behandling.
Gyldendal Akademisk.
ISBN 978-82-05-54258-7.
Slind, Eva Kjøl; Lægran, Marianne; Ingul, Charlotte Ingeborg Björk; Eriksen-Volnes, Torfinn Kirknes; Blindheimsvik, Martin Andre Brevik; Myhre, Peder Langeland; Ørn, Stein; Hole, Torstein Laurits; Gullestad, Lars; Larsby, Kristina; Mo, Rune; Norekvål, Tone Merete; Kjelås, Halvard
(2022)
Norsk hjertesviktregister : Årsrapport 2021 : Med plan for forbedringstiltak.
Kvale, Dag; Ørn, Stein; Bach-Gansmo, Edvin
(2016)
Sykdom og behandling.
Gyldendal Akademisk.
ISBN 978-82-05-48233-3.
Ørn, Stein; Mjell, Johnny; Bach-Gansmo, Edvin
(2011)
Sykdom og behandling.
Gyldendal Akademisk.
ISBN 9788205323605.
Ørn, Stein
(2009)
Myocardial infarction: Healing, scar size, and left ventricular remodelling. A contrast enhanced magnetic resonance study.
Universitetet i Bergen.
Formidling
Myhre, Peder Langeland; Berge, Kristian; Ørn, Stein
(2024)
Reply to the letter regarding the article ‘Changes in 6-min walk test is an independent predictor of death in chronic heart failure with reduced ejection fraction’.European Journal of Heart Failure.
ISSN 1388-9842.
DOI: 10.1002/ejhf.3448
Alsnes, Ingvild Vatten; Munkvik, Morten; Ørn, Stein
(2021)
Hva er Bergen så redde for?.
www.aftenbladet.no.
Munkvik, Morten; Alsnes, Ingvild Vatten; Ørn, Stein
(2021)
Ny giv for norsk legeutdanning.Tidsskrift for Den norske legeforening.
ISSN 0029-2001.
Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Ørn, Stein; Kleiven, Øyunn
(2018)
High Frequency Noise Detection and Handling in ECG Signals.
European Signal Processing Conference 2018;
2018-09-03 - 2018-09-07.
Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Kleiven, Øyunn; Ørn, Stein
(2018)
Invariant electrical mean axis in electrocardiogram.
Computing in cardiology 2018 ;
2018-09-23 - 2018-09-26.
Le, Kjell; Eftestøl, Trygve Christian; Engan, Kjersti; Rong, Chunming; Ørn, Stein; Kleiven, Øyunn
(2018)
Noise detection and handling in ECG signals.
Norsk Forening for Bildebehandling og Mønstergjenkjenning;
2018-03-12 - 2018-03-13.
Ørn, Stein; van Hall, Gerrit
(2017)
Does a normal peripheral lactate value always indicate an aerobic tissue metabolism?.European Journal of Heart Failure.
ISSN 1388-9842.
Volum 19.
Hefte 8.
s.1034-1035.
DOI: 10.1002/ejhf.863
Kleiven, Øyunn; Ørn, Stein
(2017)
P-wave axis as a predictor of mortality.European Journal of Preventive Cardiology (EJPC).
ISSN 2047-4873.
Volum 24.
Hefte 18.
s.1991-1993.
Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Ørn, Stein; Woie, Leik
(2015)
Segmentation of LG Enhanced Cardiac MRI.
Bioimagin, Biosted;
2015-01-12 - 2015-01-15.
Eftestøl, Trygve Christian; Singsaas, Erlend; Engan, Kjersti; Woie, Leik; Ørn, Stein
(2015)
Automatic Detection of Microvascular Obstruction in Patients with Myocardial Infarction.
Computing in Cardiology 2015;
2015-09-06 - 2015-09-09.
Eftestøl, Trygve; Måløy, Frode; Engan, Kjersti; Kotu, Lasya Priya; Woie, Leik; Ørn, Stein
(2014)
A Texture-based Probability Mapping for Localisation of Clinically Important Cardiac Segments in the Myocardium in Cardiac Magnetic Resonance Images from Myocardial Infarction Patients.
International Conference on Image Processing (ICIP) ;
2014-10-27 - 2014-10-30.
Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Woie, Leik; Schuchter, Arthur; Ørn, Stein
(2013)
Automatic Detection of Heart Center in Late Gadolinium Enhanced MRI.
MEDICON (Mediterranean Conference on Medical and Biological Engineering and Computing);
2013-09-25 - 2013-09-28.
Engan, Kjersti; Naranjo, Valery; Eftestøl, Trygve; Ørn, Stein; Woie, Leik
(2013)
Automatic Segmentation of the Epicardium in Late Gadolinium Enhanced Cardiac MR Images.
Computing in Cardiology;
2013-09-22 - 2013-09-25.
Måløy, Frode; Woie, Leik; Eftestøl, Trygve; Engan, Kjersti; Ørn, Stein
(2013)
Measuring the Degree of Fibrosity of Myocardial Scars from Late Gadolinium- Enhanced Cardiovascular Magnetic Resonance Images.
Computing in Cardiology;
2013-09-22 - 2013-09-25.
Ørn, Stein; Melberg, Tor Harald; Jorgensen, M; Solli, T; Edland, UM; Lie, BT; Naerland, M; Dickstein, Kenneth
(2013)
Early discharge (< 3 days) following primary PCI is safe in low risk patients.
European Heart Journal.
ISSN 0195-668X.
Volum 34.
s.246-246.
Ørn, Stein; Aukrust, Pål
(2012)
The prediction of adverse cardiac remodelling following myocardial infarction: defining the need for a dynamic multimarker approach.Heart.
ISSN 1355-6037.
Volum 98.
Hefte 15.
s.1112-1113.
Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Woie, Leik; Ørn, Stein; Katsaggelos, Aggelos
(2012)
LOCAL BINARY PATTERNS USED ON CARDIAC MRI TO CLASSIFY HIGH AND LOW RISK PATIENT GROUPS.
EUSIPCO 2012;
2012-08-27 - 2012-08-31.
Eftestøl, Trygve; Woie, Leik; Engan, Kjersti; Kvaløy, Jan Terje; Nilsen, Dennis W.T.; Ørn, Stein
(2012)
Texture Analysis to Assess Risk of Serious Arrhythmias after Myocardial Infarction.
Computing in Cardiology 2012;
2012-09-09 - 2012-09-12.
Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Woie, Leik
(2011)
TEXTURE CLASSIFICATION OF SCARRED AND NON-SCARRED MYOCARDIUM IN CARDIAC MRI USING LEARNED DICTIONARIES.
ICIP 2011;
2011-09-11 - 2011-09-14.
Kotu, Lasya Priya; Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Woie, Leik
(2011)
Segmentation of Scarred and Non-Scarred Myocardium in LG Enhanced CMR Images using Intensity-Based Textural Analysis.
EMBC 2011;
2011-08-30 - 2011-09-03.
Engan, Kjersti; Eftestøl, Trygve; Ørn, Stein; Kvaløy, Jan Terje; Woie, Leik
(2010)
Exploratory Data Analysis of Image Texture and Statistical Features on Myocardium and Infarction Areas in Cardiac Magnetic Resonance Images.
International Conference of the IEEE Engineering in Medicine and Biology Society;
2010-08-31 - 2010-09-04.
Ørn, Stein; Manhenke, Cord A; Squire, IB; Dickstein, Kenneth
(2010)
Early increase in Stromelysin-1 levels is related to infarct size and predicts long-term LV remodelling following STEMI.
European Heart Journal.
ISSN 0195-668X.
Volum 31.
s.192-193.
Gravning, J; Ørn, Stein; Edvardsen, T; Martinov, VN; Manhenke, Cord A; Dickstein, Kenneth; Attramadal, H; Ahmed, MS
(2010)
Myocardial connective tissue growth factor (CCN2/CTGF) attenuates left ventricular remodeling after myocardial infarction and prevents ischemic heart failure.
European Heart Journal.
ISSN 0195-668X.
Volum 31.
s.314-314.
Ørn, Stein; Yu, ZF; Hou, R; Dargie, H; Zannad, Faiez; Dickstein, Kenneth
(2010)
Smokers spend shorter time in hospital than non-smokers following complicated AMI.
European Heart Journal.
ISSN 0195-668X.
Volum 31.
s.683-683.
Woie, Leik; Eftestoel, T; Engan, K; Kvaloy, JT; Nilsen, Dennis W.T.; Ørn, Stein
(2010)
Use of late gadolinium enhancement cardiovascular magnetic resonance images and texture analyses to distinguish patients with high and low risk of arrhythmias after myocardial infarction.
European Heart Journal.
ISSN 0195-668X.
Volum 31.
s.586-586.
Ørn, Stein; Manhenke, C; Bonarjee, Vernon; Edvardsen, Thor; Dickstein, K
(2007)
Temporal changes between infarct size and ejection fraction following primary PCI assessed by cardiac magnetic resonance.
Heart Failure;
2007-06-02 - 2007-06-09.
Ørn, Stein; Dickstein, Kenneth
(2007)
Reduce the risk of reinfarction and related complications after myocardial infarction - The reply.American Journal of Medicine.
ISSN 0002-9343.
Volum 120.
Hefte 3.
s.E27-E27.
Manhenke, Cord Arend; Ørn, Stein; Squire, Iain B.; Zannad, Faiez; Dickstein, Kenneth
(2007)
The relationship between N-terminal B-type natriuretic peptide and circulating markers of extracellular cardiac remodelling in patients following complicated myocardial infarction.European Journal of Heart Failure.
ISSN 1388-9842.
Volum 6.
s.10-11.