Stein Ørn

Kristian Berge; Henrik Schirmer; Tarjei Øvrebotten; Hamza Nahoui; Lars Gullestad; Charlotte Ingeborg Björk Ingul; Torstein Laurits Hole; Rune Mo; Kristina Larsby; Tone Merete Norekvål; Torbjørn Omland; Stein Ørn; Peder Langeland Myhre (2025) Improvements in medical therapy and prognosis for patients with HFrEF following the 2021 ESC HF guidelines. I: ESC Heart Failure. Online ISSN 2055-5822. s.1-10. DOI: 10.1002/ehf2.15337

Vidar Frøysa; Gøran Jansson Berg; Erlend Gyllensten Singsaas; Trygve Christian Eftestøl; Leik Woie; Stein Ørn (2025) Texture-based probability mapping for automatic assessment of myocardial injury in late gadolinium enhancement images after revascularized STEMI. I: International Journal of Cardiology. ISSN 0167-5273. Volum 427. DOI: 10.1016/j.ijcard.2025.133107

Jakob Svane; Tomasz Wiktorski; Trygve Christian Eftestøl; Stein Ørn (2024) Alterations in the autonomic and haemodynamic response to prolonged high-intensity endurance exercise in individuals with coronary artery calcification. I: Experimental Physiology. ISSN 0958-0670. Volum 110. s.454-463. DOI: 10.1113/EP092201

Jakob Svane; Tomasz Wiktorski; Trygve Christian Eftestøl; Stein Ørn (2024) Machine Learning Methods For Classification of Individuals With Coronary Artery Calcification. I: IEEE International Symposium on Computer-Based Medical Systems. Online ISSN 2372-9198. DOI: 10.1109/CBMS61543.2024.00013

Christine Bjørkvik Erevik; Øyunn Kleiven; Vidar Frøysa; Magnus Bjørkavoll-Bergseth; Ana Monica Chivulescu; Lars Gunnar Klæboe; Lars Dejgaard; Bjørn Henrik Auestad; Øyvind Skadberg; Tor Harald Melberg; Stig Urheim; Kristina Ingrid Helena Hermann Haugaa; Thor Edvardsen; Stein Ørn (2024) Echocardiographic assessment of myocardial efficiency predicts exercise performance. I: European Journal of Sport Science (EJSS). ISSN 1746-1391. Volum 24. s.319-329. DOI: 10.1002/ejsc.12082

Christine Bjørkvik Erevik; Øyunn Kleiven; Vidar Frøysa; Magnus Bjørkavoll-Bergseth; Ana Monica Chivulescu; Lars Gunnar Klæboe; Lars Dejgaard; Bjørn Henrik Auestad; Øyvind Skadberg; Tor Harald Melberg; Stig Urheim; Kristina Ingrid Helena Hermann Haugaa; Thor Edvardsen; Stein Ørn (2024) Exercise-Induced Cardiac Troponin I Elevation Is Associated With Regional Alterations in Left Ventricular Strain in High-Troponin Responders. I: Journal of the American Heart Association (JAHA). Online ISSN 2047-9980. Volum 13. s.e034382-e034382. DOI: 10.1161/JAHA.124.034382

Buzwani Buzwani; ELISABETH IVERSEN; Stein Ørn; Jon Herstad; Jian Chen; Peter Moritz Schuster (2024) Stent-in-Stent Intervention for Pulmonary Vein in Stent Restenosis: A Long-Term Follow-Up Case Report. I: Cardiovascular Electrophysiology. ISSN 1045-3873. DOI: 10.1111/jce.16506

Thor Ueland; Noreen Butt; Tove Lekva; Stein Ørn; Cord Arend Manhenke; Pål Aukrust; Alf Inge Larsen (2024) High dose statin treatment reduces circulating Dickkopf-1 following acute myocardial infarction. I: International Journal of Cardiology. ISSN 0167-5273. Volum 406. DOI: 10.1016/j.ijcard.2024.132035

Magnus Bjørkavoll-Bergseth; Christine Bjørkvik Erevik; Øyunn Kleiven; Tomasz Wiktorski; Bjørn Henrik Auestad; Øyvind Skadberg; Kristin Moberg Aakre; Thijs M. H. Eijsvogels; Stein Ørn (2024) The relationship between workload and exercise-induced cardiac troponin elevations is influenced by non-obstructive coronary atherosclerosis. I: Scandinavian Journal of Medicine & Science in Sports. ISSN 0905-7188. Volum 34. DOI: 10.1111/sms.14667

Trygve Christian Eftestøl; Mina Farmanbar; Tomas Royal Choat; Otto Nessa Ljosdal; Mathias Dyvik; Casper Cappelen; Vidar Frøysa; Jørn Kværness; Gøran Jansson Berg; Stein Ørn (2024) Exploring Pixel Value Scaling in the Application of Convolutional Neural Network U-Net Models for Segmentation of the Myocardium in Magnetic Resonance Images. I: Computing in cardiology. ISSN 2325-8861. Volum 51. DOI: 10.22489/CinC.2024.093

Peder Langeland Myhre; Øyunn Kleiven; Kristian Berge; Morten Grundtvig; Lars Gullestad; Stein Ørn (2024) Changes in 6-min walk test is an independent predictor of death in chronic heart failure with reduced ejection fraction. I: European Journal of Heart Failure. ISSN 1388-9842. Volum 26. s.2608-2615. DOI: 10.1002/ejhf.3391

Jakob Svane; Tomasz Wiktorski; Stein Ørn; Trygve Christian Eftestøl (2023) Optimizing support vector machines and autoregressive integrated moving average methods for heart rate variability data correction. I: MethodsX. Online ISSN 2215-0161. Volum 11. DOI: 10.1016/j.mex.2023.102381

Jakob Svane; Tomasz Wiktorski; Stein Ørn; Trygve Christian Eftestøl (2023) Recurrent Neural Networks for Artifact Correction in HRV Data During Physical Exercise. I: Nordic Machine Intelligence (NMI). Online ISSN 2703-9196. Volum 3. s.1-12. DOI: 10.5617/nmi.10140

Christine Bjørkvik Erevik; Øyunn Kleiven; Vidar Frøysa; Magnus Bjørkavoll-Bergseth; Ana Monica Chivulescu; Lars Gunnar Klæboe; Lars Dejgaard; Bjørn Henrik Auestad; Øyvind Skadberg; Tor Harald Melberg; Stig Urheim; Kristina Ingrid Helena Hermann Haugaa; Thor Edvardsen; Stein Ørn (2023) Myocardial inefficiency is an early indicator of exercise-induced myocardial fatigue. I: Frontiers in Cardiovascular Medicine. Online ISSN 2297-055X. Volum 9. s.1-12. DOI: 10.3389/fcvm.2022.1081664

Trygve Sørdahl Hall; Stein Ørn; Faiez Zannad; Patrick Rossignol; Kevin Duarte; Scott D. Solomon; Dan Atar; Stefan Agewall; Kenneth Dickstein; Nicolas Girerd (2022) The Association of Smoking with Hospitalization and Mortality Differs According to Sex in Patients with Heart Failure Following Myocardial Infarction. I: Journal of Women's Health. ISSN 1540-9996. Volum 31. s.310-320. DOI: 10.1089/jwh.2021.0326

Espen Øglænd Bjørnestad; Indu Dhar; Gard Frodahl Tveitevåg Svingen; Eva Kristine Ringdal Pedersen; Stein Ørn; Mads Malm Svenningsson; Grethe Seppola Tell; Per Magne Ueland; Gerhard Sulo; Reijo Laaksonen; Ottar Kjell Nygård (2022) Circulating trimethylamine N-oxide levels do not predict 10-year survival in patients with or without coronary heart disease. I: Journal of Internal Medicine. ISSN 0954-6820. Volum 292. s.915-924. DOI: 10.1111/joim.13550

Alba Gonzalez; Kristina Ingrid Helena Hermann Haugaa; Pål Haugar Brekke; Einar Hopp; Stein Ørn; Silje Alvestad; Erik Taubøll; Dag Aurlien (2022) Cardiac Structure and Function in Epilepsy Patients with Drug-Resistant Convulsive Seizures. I: Case Reports in Neurology. Online ISSN 1662-680X. Volum 14. s.88-97. DOI: 10.1159/000522237

Inga Strand Thorsen; Lasse Gunnar Gøransson; Thor Ueland; Pål Aukrust; Cord A Manhenke; Øyvind Skadberg; Grete Jonsson; Stein Ørn (2021) The relationship between Fibroblast Growth Factor 23 (FGF23) and cardiac MRI findings following primary PCI in patients with acute first time STEMI. I: International journal of cardiology: Heart and Vasculature (IJCHA). Online ISSN 2352-9067. Volum 33:100727. s.1-6. DOI: 10.1016/j.ijcha.2021.100727

Magnus Bjørkavoll-Bergseth; Christine Bjørkvik Erevik; Øyunn Kleiven; Thijs M. H. Eijsvogels; Øyvind Skadberg; Vidar Frøysa; Tomasz Wiktorski; Bjørn Henrik Auestad; Thor Edvardsen; Kristin Moberg Aakre; Stein Ørn (2021) Determinants of interindividual variation in exercise-induced cardiac troponin I levels. I: Journal of the American Heart Association (JAHA). Online ISSN 2047-9980. Volum 10. s.1-14. DOI: 10.1161/JAHA.121.021710

Vidar Frøysa; Gøran Jansson Berg; Trygve Christian Eftestøl; Leik Woie; Stein Ørn (2021) Texture-based probability mapping for automatic scar assessment in late gadolinium-enhanced cardiovascular magnetic resonance images. I: European Journal of Radiology Open (EJR Open). Online ISSN 2352-0477. Volum 8. s.1-8. DOI: 10.1016/j.ejro.2021.100387

Espen Øglænd Bjørnestad; Indu Dhar; Gard Frodahl Tveitevåg Svingen; Eva Kristine Ringdal Pedersen; Mads Malm Svenningsson; Grethe Seppola Tell; Per Magne Ueland; Stein Ørn; Gerhard Sulo; Reijo Laaksonen; Ottar Kjell Nygård (2021) Trimethyllysine predicts all-cause and cardiovascular mortality in community-dwelling adults and patients with coronary heart disease. I: European Heart Journal Open (EHJ Open). Online ISSN 2752-4191. Volum 1. DOI: 10.1093/ehjopen/oeab007

Mette Wærstad Hansen; Stein Ørn; Christine Bjørkvik Erevik; Magnus Friestad Bjørkavoll-Bergseth; Øyvind Skadberg; Tor Harald Melberg; Kristin Moberg Aakre; Øyunn Kleiven (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. I: Journal of the International Society of Sports Nutrition (JISSN). Online ISSN 1550-2783. Volum 18. s.1-10. DOI: 10.1186/s12970-021-00437-1

Vincent L Aengevaeren; Aaron L Baggish; Eugene H. Chung; Keith George; Øyunn Kleiven; Alma M. A. Mingels; Stein Ørn; Rob E. Shave; Paul Thompson; Thijs M. H. Eijsvogels (2021) Exercise-induced cardiac troponin elevations: From underlying mechanisms to clinical relevance. I: Circulation. ISSN 0009-7322. Volum 144. s.1955-1972. DOI: 10.1161/CIRCULATIONAHA.121.056208

Øyunn Kleiven; Thor Edvardsen; Stein Ørn (2021) Echocardiography in the pre-participation evaluation of asymptomatic athletes: The never-ending story. I: European Journal of Preventive Cardiology (EJPC). ISSN 2047-4873. Volum 28. s.1068-1070. DOI: 10.1177/2047487320932269

Aleksandra Krolak; Tomasz Wiktorski; Magnus Bjørkavoll-Bergseth; Stein Ørn (2020) Artifact Correction in Short-Term HRV during Strenuous Physical Exercise. I: Sensors. Online ISSN 1424-8220. Volum 20. DOI: 10.3390/s20216372

Julia Brox Skranes; Øyunn Kleiven; Kristin Moberg Aakre; Øyvind Skadberg; Tor Harald Melberg; Torbjørn Omland; Stein Ørn (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. I: Journal of the American Heart Association (JAHA). Online ISSN 2047-9980. Volum 9. DOI: 10.1161/JAHA.120.017363

Magnus Bjørkavoll-Bergseth; Øyunn Kleiven; Bjørn Henrik Auestad; Trygve Christian Eftestøl; Kay Raymond Oskal; Martin Nygård; Øyvind Skadberg; Kristin Moberg Aakre; Tor Harald Melberg; Knut Gjesdal; Stein Ørn (2020) Duration of elevated heart rate Is an important predictor of exercise-induced troponin elevation. I: Journal of the American Heart Association (JAHA). Online ISSN 2047-9980. Volum 9:e14408. s.1-19. DOI: 10.1161/JAHA.119.014408

Morten Grundtvig; Torfinn Eriksen-Volnes; Stein Ørn; Eva Kjøl Slind; Lars Gullestad (2020) 6 min walk test is a strong independent predictor of death in outpatients with heart failure. I: ESC Heart Failure. Online ISSN 2055-5822. s.1-8. DOI: 10.1002/ehf2.12900

Øyunn Kleiven; Magnus Bjørkavoll-Bergseth; Torbjørn Omland; Kristin Moberg Aakre; Vidar Frøysa; Christine Bjørkvik Erevik; Ole Jacob Greve; Tor Harald Melberg; Bjørn Henrik Auestad; Øyvind Skadberg; Thor Edvardsen; Stein Ørn (2020) Endurance exercise training volume is not associated with progression of coronary artery calcification. I: Scandinavian Journal of Medicine & Science in Sports. ISSN 0905-7188. Volum 30. s.1024-1032. DOI: 10.1111/sms.13643

Tomasz Wiktorski; Magnus Bjørkavoll-Bergseth; Stein Ørn (2020) Methods for preprocessing time and distance series data from personal monitoring devices. I: MethodsX. Online ISSN 2215-0161. Volum 7. DOI: 10.1016/j.mex.2020.100959

Kjell Le; Trygve Christian Eftestøl; Kjersti Engan; Øyunn Kleiven; Stein Ørn (2019) Validation of Baseline Wander Removal and Isoelectric Correction in Electrocardiograms Using Clustering. I: European Signal Processing Conference. ISSN 2076-1465. DOI: 10.23919/EUSIPCO.2019.8903153

Øyunn Kleiven; Torbjørn Omland; Øyvind Skadberg; Tor Harald Melberg; Magnus Bjørkavoll-Bergseth; Bjørn Henrik Auestad; Rolf Bergseth; Ole Jacob Greve; Kristin Moberg Aakre; Stein Ørn (2019) Race duration and blood pressure are major predictors of exercise-induced cardiac troponin elevation. I: International Journal of Cardiology. ISSN 0167-5273. Volum 283. s.1-8. DOI: 10.1016/j.ijcard.2019.02.044

Øyunn Kleiven; Torbjørn Omland; Øyvind Skadberg; Tor Harald Melberg; Magnus Bjørkavoll-Bergseth; Bjørn Henrik Auestad; Rolf Bergseth; Ole Jacob Greve; Kristin Moberg Aakre; Stein Ørn (2019) Occult obstructive coronary artery disease is associated with prolonged cardiac troponin elevation following strenuous exercise. I: European Journal of Preventive Cardiology (EJPC). ISSN 2047-4873. s.1-10. DOI: 10.1177/2047487319852808

Kjell Le; Trygve Christian Eftestøl; Kjersti Engan; Øyunn Kleiven; Stein Ørn (2019) Baseline Wander Removal and Isoelectric Correction in Electrocardiograms Using Clustering. I: Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing. ISSN 1520-6149. Volum 2019-May. s.1274-1278. DOI: 10.1109/ICASSP.2019.8683084

Jens Vikse; Stein Ørn; Bas Jeroen de Romijn; Ole Jacob Greve; Katrine Brække Norheim (2018) Kardial sarkoidose. I: Tidsskrift for Den norske legeforening (Tidsskriftet). ISSN 0029-2001. Volum 138. s.362-366. DOI: 10.4045/tidsskr.17.0701

Øyvind Skadberg; Øyunn Kleiven; Stein Ørn; Magnus Bjørkavoll-Bergseth; Tor Harald Melberg; Torbjørn Omland; Kristin Moberg Aakre (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. I: Clinica Chimica Acta. ISSN 0009-8981. Volum 479. s.155-159. DOI: 10.1016/j.cca.2018.01.033

Kjell Le; Trygve Christian Eftestøl; Kjersti Engan; Stein Ørn; Øyunn Kleiven (2018) High Frequency Noise Detection and Handling in ECG Signals. I: European Signal Processing Conference. ISSN 2076-1465. s.46-50. DOI: 10.23919/EUSIPCO.2018.8553046

Kjell Le; Trygve Christian Eftestøl; Kjersti Engan; Øyunn Kleiven; Stein Ørn (2018) Invariant electrical mean axis in electrocardiogram. I: Computing in cardiology. ISSN 2325-8861. Volum 45. DOI: 10.22489/CinC.2018.151

Dominika Dlugosz; Trygve Christian Eftestøl; Aleksandra Krolak; Tomasz Wiktorski; Stein Ørn (2018) The North Sea bicycle race ECG project: Time-domain analysis. I: Journal of Automation, Mobile Robotics & Intelligent Systems. ISSN 1897-8649. Volum 12. s.23-32. DOI: 10.14313/JAMRIS_1-2018/3

Dominika Długosz; Aleksandra Krolak; Trygve Christian Eftestøl; Stein Ørn; Tomasz Wiktorski; Kay Raymond Oskal; Martin Nygård (2018) ECG Signal Analysis for Troponin Level Assessment and Coronary Artery Disease Detection: the NEEDED Study 2014. I: Annals of Computer Science and Information Systems. Online ISSN 2300-5963. Volum 15. s.1065-1068. DOI: 10.15439/2018F247

Ida S. Svendsen; Espen Tønnessen; Leif Inge Tjelta; Stein Ørn (2018) Training, performance, and physiological predictors of a successful elite senior career in junior competitive road cyclists. I: International Journal of Sports Physiology and Performance (IJSPP). ISSN 1555-0265. Volum 13. s.1287-1292. DOI: 10.1123/ijspp.2017-0824

Øyunn Kleiven; Magnus Bjørkavoll-Bergseth; Tor Harald Melberg; Øyvind Skadberg; Rolf Bergseth; Jone Selvåg; Bjørn Henrik Auestad; Pål Aukrust; Torbjørn Aarsland; Stein Ørn (2018) High physical fitness is associated with reduction in basal and exercise induced inflammation. I: Scandinavian Journal of Medicine & Science in Sports. ISSN 0905-7188. Volum 28. s.172-179. DOI: 10.1111/sms.12878

Kristin Moberg Aakre; Øyunn Kleiven; Øyvind Skadberg; Magnus Bjørkavoll-Bergseth; Tor Harald Melberg; Heidi Strand; Tor-Arne Hagve; Stein Ørn (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. I: Clinical Biochemistry. ISSN 0009-9120. Volum 52. s.8-12. DOI: 10.1016/j.clinbiochem.2017.10.007

Terje Apeland; Tore Danielsen; Eva Marianne Staal; Anders Åsberg; Inga Strand Thorsen; Tom Ole Dalsrud; Stein Ørn (2017) Risk factors for exertional rhabdomyolysis with renal stress. I: BMJ Open sport & exercise medicine. Online ISSN 2055-7647. Volum 3. s.e000241-e000241. DOI: 10.1136/bmjsem-2017-000241

Øyvind Skadberg; Øyunn Kleiven; Magnus Bjørkavoll-Bergseth; Tor Harald Melberg; Rolf Bergseth; Jone Selvåg; Bjørn Henrik Auestad; Ole Jacob Greve; Kenneth Dickstein; Torbjørn Aarsland; Stein Ørn (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. I: European Journal of Preventive Cardiology (EJPC). ISSN 2047-4873. Volum 24. s.885-894. DOI: 10.1177/2047487317693130

Dominika Długosz; Trygve Christian Eftestøl; Stein Ørn; Tomasz Wiktorski; Aleksandra Krolak (2017) The North Sea Bicycle Race ECG Project: Time-Domain Analysis. I: Annals of Computer Science and Information Systems. Online ISSN 2300-5963. Volum 11. s.1353-1356. DOI: 10.15439/2017F303

Erlend Gyllensten Singsaas; Cord A Manhenke; Kenneth Dickstein; Stein Ørn (2016) Circulating galectin-3 levels are increased in patients with ischemic heart disease, but are not influenced by acute myocardial infarction. I: Cardiology. ISSN 0008-6312. Volum 134. s.398-405. DOI: 10.1159/000445103

Leik Woie; Kjersti Engan; Trygve Eftestøl; Jan Terje Kvaløy; Stein Ørn (2015) The relationship between transmurality of ischemic scars and the heart rate of ventricular tachycardia. I: Scandinavian Cardiovascular Journal. ISSN 1401-7431. Volum 49. s.241-248. DOI: 10.3109/14017431.2015.1066844

Trygve Christian Eftestøl; Erlend Gyllensten Singsaas; Kjersti Engan; Leik Woie; Stein Ørn (2015) Automatic Detection of Microvascular Obstruction in Patients with Myocardial Infarction. I: Computing in cardiology. ISSN 2325-8861. Volum 42. s.757-760. DOI: 10.1109/cic.2015.7411021

Kjersti Engan; Valery Naranjo; Trygve Christian Eftestøl; Stein Ørn; Leik Woie (2015) Segmentation of LG Enhanced Cardiac MRI. I: Jan Schier; Ana Fred; Dirk Elias; Màrio Forjaz Secca; Hugo Gamboa, Proceedings of the International Conference on Bioimaging (BIOIMAGING-2015). SciTePress. ISBN 9789897580727. s.47-55. DOI: 10.5220/0005169200470055

Lasya Priya Kotu; Kjersti Engan; Reza Borhani; Aggelos K. Katsaggelos; Stein Ørn; Leik Woie; Trygve Eftestøl (2015) Cardiac magnetic resonance image-based classification of the risk of arrhythmias in post-myocardial infarction patients. I: Artificial Intelligence in Medicine. ISSN 0933-3657. Volum 64. s.205-215. DOI: 10.1016/j.artmed.2015.06.001

Leik Woie; Kjersti Engan; Trygve Eftestøl; Alf Inge Larsen; Stein Ørn (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. I: Cardiology Research and Practice. ISSN 2090-8016. Volum 2015. DOI: 10.1155/2015/120874

Kjersti Engan; Valery Naranjo; Trygve Eftestøl; Leik Woie; Arthur Schuchter; Stein Ørn (2014) Automatic Detection of Heart Center in Late Gadolinium Enhanced MRI. I: International Federation for Medical and Biological Engineering Proceedings. ISSN 1680-0737. Volum 41. s.165-168. DOI: 10.1007/978-3-319-00846-2_41

Cord A Manhenke; Thor Ueland; Bodh I. Jugdutt; Kristin Godang; Pål Aukrust; Kenneth Dickstein; Stein Ørn (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. I: European Heart Journal. ISSN 0195-668X. Volum 35. s.395-402. DOI: 10.1093/eurheartj/eht482

Leik Woie; Frode Måløy; Trygve Eftestøl; Kjersti Engan; Thor Edvardsen; Jan Terje Kvaløy; Stein Ørn (2014) Comparing a novel automatic 3D method for LGE-CMR quantification of scar size with established methods. I: The International Journal of Cardiovascular Imaging. ISSN 1569-5794. Volum 30. s.339-347. DOI: 10.1007/s10554-013-0329-0

Tor Harald Melberg; Marianne Jørgensen; Stein Ørn; Torhild Solli; Unni Murvold Edland; Kenneth Dickstein (2014) Safety and health status following early discharge in patients with acute myocardial infarction treated with primary PCI: a randomized trial. I: European Journal of Preventive Cardiology (EJPC). ISSN 2047-4873. DOI: 10.1177/2047487314559276

Trygve Eftestøl; Frode Måløy; Kjersti Engan; Lasya Priya Kotu; Leik Woie; Stein Ørn (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. I: Proceedings of IEEE International Conference on Image Processing. ISSN 1522-4880. s.2227-2231. DOI: 10.1109/ICIP.2014.7025451

Lasya Priya Kotu; Kjersti Engan; Karl Skretting; Frode Måløy; Stein Ørn; Leik Woie; Trygve Eftestøl (2013) Probability mapping of scarred myocardium using texture and intensity features in CMR images. I: Biomedical engineering online. Online ISSN 1475-925X. Volum 12. DOI: 10.1186/1475-925X-12-91

Frode Måløy; Leik Woie; Trygve Eftestøl; Kjersti Engan; Stein Ørn (2013) Measuring the Degree of Fibrosity of Myocardial Scars from Late Gadolinium- Enhanced Cardiovascular Magnetic Resonance Images. I: Computers in cardiology. ISSN 0276-6574. Volum 40. s.647-650.

Kjersti Engan; Valery Naranjo; Trygve Eftestøl; Stein Ørn; Leik Woie (2013) Automatic Segmentation of the Epicardium in Late Gadolinium Enhanced Cardiac MR Images. I: Computers in cardiology. ISSN 0276-6574. Volum 40. s.631-634.

Ida Gregersen; Mona Skjelland; Sverre Holm; Kirsten Bjørklund Holven; Kirsten Sørensen; David Russell; Erik Tandberg Askevold; Christen Peder Dahl; Stein Ørn; Lars Gullestad; Tom Eirik Mollnes; Thor Ueland; Pål Aukrust; Bente Halvorsen (2013) Increased Systemic and Local Interleukin 9 Levels in Patients with Carotid and Coronary Atherosclerosis. I: PLOS ONE. Online ISSN 1932-6203. Volum 8. DOI: 10.1371/journal.pone.0072769

Cord A Manhenke; Stein Ørn; Stephan von Haehling; Kai C. Wollert; Thor Ueland; Pål Aukrust; Adriaan A. Voors; Iain Squire; Faiez Zannad; Stefan D. Anker; Kenneth Dickstein (2013) Clustering of 37 circulating biomarkers by exploratory factor analysis in patients following complicated acute myocardial infarction. I: International Journal of Cardiology. ISSN 0167-5273. Volum 166. s.729-735. DOI: 10.1016/j.ijcard.2011.11.089

Lasya Priya Kotu; Kjersti Engan; Karl Skretting; Stein Ørn; Leik Woie; Trygve Eftestøl (2013) Segmentation of Scarred Myocardium in Cardiac Magnetic Resonance Images. I: ISRN Biomedical Imaging. Online ISSN 2314-5412. DOI: 10.1155/2013/504594

Lars Gullestad; Stein Ørn; Kenneth Dickstein; Christian Eek; Thor Edvardsen; Svend Aakhus; Erik Tandberg Askevold; Annika Michelsen; Bjørn Bendz; Rita Skårdal; Hans-Jørgen Smith; Arne Yndestad; Thor Ueland; Pål Aukrust (2013) Intravenous immunoglobulin does not reduce left ventricular remodeling in patients with myocardial dysfunction during hospitalization after acute myocardial infarction. I: International Journal of Cardiology. ISSN 0167-5273. Volum 168. s.212-218. DOI: 10.1016/j.ijcard.2012.09.092

Jørgen A. Gravning; Stein Ørn; Ole Jørgen Kaasbøll; Vladimir Nikolkaev Martinov; Cord A Manhenke; Kenneth Dickstein; Thor Edvardsen; Håvard Attramadal; Muhammad Shakil Ahmed (2012) Myocardial Connective Tissue Growth Factor (CCN2/CTGF) Attenuates Left Ventricular Remodeling after Myocardial Infarction. I: PLOS ONE. Online ISSN 1932-6203. Volum 7. DOI: 10.1371/journal.pone.0052120

Lasya Priya Kotu; Kjersti Engan; Trygve Eftestøl; Leik Woie; Stein Ørn; Aggelos K. Katsaggelos (2012) LOCAL BINARY PATTERNS USED ON CARDIAC MRI TO CLASSIFY HIGH AND LOW RISK PATIENT GROUPS. I: European Signal Processing Conference. ISSN 2076-1465. Volum 20. s.2586-2590.

Marit Kristine Smedsrud; Sebastian Imre Sarvari; Kristina Haugaa; Ola Gjesdal; Stein Ørn; Lars Aaberge; Otto A. Smiseth; Thor Edvardsen (2012) Duration of Myocardial Early Systolic Lengthening Predicts the Presence of Significant Coronary Artery Disease. I: Journal of the American College of Cardiology. ISSN 0735-1097. Volum 60. s.1086-1093. DOI: 10.1016/j.jacc.2012.06.022

Stein Ørn; Toril Ueland; Cord A Manhenke; Øystein Sandanger; Kristin Godang; Arne Yndestad; Tom Eirik Mollnes; Kenneth Dickstein; Pål Aukrust (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. I: Journal of Internal Medicine. ISSN 0954-6820. Volum 272. s.267-276. DOI: 10.1111/j.1365-2796.2012.02517.x

Trygve Eftestøl; Leik Woie; Kjersti Engan; Jan Terje Kvaløy; Dennis W.T. Nilsen; Stein Ørn (2012) Texture Analysis to Assess Risk of Serious Arrhythmias after Myocardial Infarction. I: Computers in cardiology. ISSN 0276-6574. s.365-368.

Bjørnar Leangen Grenne; Christian Eek; Benthe Sjøli; Thomas Dahlslett; Per Kristian Hol; Stein Ørn; Helge Skulstad; Otto A. Smiseth; Thor Edvardsen; Harald Brunvand (2011) Mean Strain Throughout the Heart Cycle by Longitudinal Two-Dimensional Speckle-Tracking Echocardiography Enables Early Prediction of Infarct Size. I: Journal of the American Society of Echocardiography. ISSN 0894-7317. Volum 24. s.1118-1125. DOI: 10.1016/j.echo.2011.06.002

Leik Woie; Trygve Eftestøl; Kjersti Engan; Jan Terje Kvaløy; Dennis W.T. Nilsen; Stein Ørn (2011) The heart rate of ventricular tachycardia following an old myocardial infarction is inversely related to the size of scarring. I: Europace. ISSN 1099-5129. Volum 13. s.864-868. DOI: 10.1093/europace/euq466

Cord Arend Manhenke; Stein Ørn; Ian Squire; Anca Radauceanu; François Alla; Faiez Zannad; Kenneth Dickstein (2011) The prognostic value of circulating markers of collagen turnover after acute myocardial infarction. I: International Journal of Cardiology. ISSN 0167-5273. Volum 150. s.277-282. DOI: 10.1016/j.ijcard.2010.04.034

Lasya Priya Kotu; Kjersti Engan; Trygve Eftestøl; Stein Ørn; Leik Woie (2011) TEXTURE CLASSIFICATION OF SCARRED AND NON-SCARRED MYOCARDIUM IN CARDIAC MRI USING LEARNED DICTIONARIES. I: Proceedings of IEEE International Conference on Image Processing. ISSN 1522-4880. Volum 18. s.65-68. DOI: 10.1109/ICIP.2011.6116638

Lasya Priya Kotu; Kjersti Engan; Trygve Eftestøl; Stein Ørn; Leik Woie (2011) Segmentation of Scarred and Non-Scarred Myocardium in LG Enhanced CMR Images using Intensity-Based Textural Analysis. I: IEEE Engineering in Medicine and Biology Society. Conference Proceedings. ISSN 1557-170X. s.5698-5701. DOI: 10.1109/IEMBS.2011.6091379

Kjersti Engan; Trygve Eftestøl; Stein Ørn; Jan Terje Kvaløy; Leik Woie (2010) Exploratory Data Analysis of Image Texture and Statistical Features on Myocardium and Infarction Areas in Cardiac Magnetic Resonance Images. I: IEEE Engineering in Medicine and Biology Society. Conference Proceedings. ISSN 1557-170X. s.5728-5731. DOI: 10.1109/IEMBS.2010.5627866

Stein Ørn (2009) Myocardial infarction: Healing, scar size, and left ventricular remodelling. A contrast enhanced magnetic resonance study. Universitetet i Bergen.

Stein Ørn; S Orn; Cord Arend Manhenke; Thor Ueland; Jan Kristian Damås; Tom Eirik Mollnes; Thor Edvardsen; Pål Aukrust; Kenneth Dickstein (2009) C-reactive protein, infarct size, microvascular obstruction, and left-ventricular remodelling following acute myocardial infarction. I: European Heart Journal. ISSN 0195-668X. Volum 30. s.1180-1186. DOI: 10.1093/eurheartj/ehp070

Benthe Sjøli; Stein Ørn; Bjørnar Leangen Grenne; Halfdan Ihlen; Thor Edvardsen; Harald Brunvand (2009) Diagnostic Capability and Reproducibility of Strain by Doppler and by Speckle Tracking in Patients With Acute Myocardial Infarction. I: Journal of the American College of Cardiology. ISSN 0735-1097. Volum 2. s.24-33. DOI: 10.1016/j.jcmg.2008.10.007

Stein Ørn; Unni M. Breland; Tom Eirik Mollnes; Cord Arend Manhenke; Kenneth Dickstein; Pål Aukrust; Thor Ueland (2009) The Chemokine Network in Relation to Infarct Size and Left Ventricular Remodeling Following Acute Myocardial Infarction. I: American Journal of Cardiology. ISSN 0002-9149. Volum 104. s.1179-1183. DOI: 10.1016/j.amjcard.2009.06.028

S Orn; Stein Ørn; Cord Arend Manhenke; Ole Jacob Greve; Alf Inge Larsen; Vernon V.S Bonarjee; Thor Edvardsen; Kenneth Dickstein (2009) Microvascular obstruction is a major determinant of infarct healing and subsequent left ventricular remodelling following primary percutaneous coronary intervention. I: European Heart Journal. ISSN 0195-668X. Volum 30. s.1978-1985. DOI: 10.1093/eurheartj/ehp219

Benthe Sjøli; Stein Ørn; Bjørnar Leangen Grenne; Trond Vartdal; Otto A. Smiseth; Thor Edvardsen; Harald Brunvand (2009) Comparison of Left Ventricular Ejection Fraction and Left Ventricular Global Strain as Determinants of Infarct Size in Patients with Acute Myocardial Infarction. I: Journal of the American Society of Echocardiography. ISSN 0894-7317. Volum 22. s.1232-1238. DOI: 10.1016/j.echo.2009.07.027

Peter Scott Munk; Cord Arend Manhenke; Stein Ørn; Ole Jacob Greve (2008) Kontrastbasert MR-undersøkelse av hjerte ved akutt myokarditt. I: Tidsskrift for Den norske legeforening (Tidsskriftet). ISSN 0029-2001. Volum 128. s.1172-1174.

Stein Ørn; Cord Arend Manhenke; Iain B. Squire; Leong L. Ng; Inder S. Anand; Kenneth Dickstein (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. I: Journal of Cardiac Failure. ISSN 1071-9164. Volum 13. s.843-849. DOI: 10.1016/j.cardfail.2007.07.006

S Orn; Stein Ørn; Cord Arend Manhenke; Inder S. Anand; I Squire; Iain B. Squire; Eike Nagel; Thor Edvardsen; Kenneth Dickstein (2007) Effect of left ventricular scar size, location, and transmurality on left ventricular remodeling with healed myocardial infarction. I: American Journal of Cardiology. ISSN 0002-9149. Volum 99. s.1104-1114. DOI: 10.1016/j.amjcard.2006.11.059

Stein Ørn; Edvin Bach-Gansmo (2022) Sykdom og behandling. Gyldendal Akademisk. ISBN 9788205542587.

Eva Kjøl Slind; Marianne Lægran; Charlotte Ingeborg Björk Ingul; Torfinn Kirknes Eriksen-Volnes; Martin Andre Brevik Blindheimsvik; Peder Langeland Myhre; Stein Ørn; Torstein Laurits Hole; Lars Gullestad; Kristina Larsby; Rune Mo; Tone Merete Norekvål; Halvard Kjelås (2022) Norsk hjertesviktregister : Årsrapport 2021 : Med plan for forbedringstiltak. Norsk hjerteviktregister.

Dag Kvale; Stein Ørn; Edvin Bach-Gansmo (2016) Sykdom og behandling. Gyldendal Akademisk. ISBN 9788205482333.

Stein Ørn; Johnny Mjell; Edvin Bach-Gansmo (2011) Sykdom og behandling. Gyldendal Akademisk. ISBN 9788205323605.

Erik Ekker Solberg; Charlotte Ingeborg Björk Ingul; Thor Edvardsen; Jostein Grimsmo; Kristina Ingrid Helena Hermann Haugaa; Jan Pål Loennechen; Siri Ann Nyrnes; Marit Kristine Smedsrud; Elisabeth Kleivhaug Vesterbekkmo; Stein Ørn; Ole Christian Mjølstad (2025) Målrettet hjertescreening av idrettsutøvere. Volum 145. DOI: 10.4045/tidsskr.25.0127

Peder Langeland Myhre; Kristian Berge; Stein Ørn (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’. I: European Journal of Heart Failure. ISSN 1388-9842. DOI: 10.1002/ejhf.3448

Jakob Svane; Tomasz Wiktorski; Trygve Christian Eftestøl; Stein Ørn (2024) Differences in blood pressure and heart rate variability between individuals with and without coronary artery calcification during prolonged high-intensity endurance exercise. I: European Journal of Preventive Cardiology (EJPC). ISSN 2047-4873. Volum 31. DOI: 10.1093/eurjpc/zwae175.087

Ingvild Vatten Alsnes; Morten Munkvik; Stein Ørn (2021) Hva er Bergen så redde for?.

Morten Munkvik; Ingvild Vatten Alsnes; Stein Ørn (2021) Ny giv for norsk legeutdanning. DOI: 10.4045/tidsskr.21.0287

Kjell Le; Trygve Christian Eftestøl; Kjersti Engan; Øyunn Kleiven; Stein Ørn (2018) Invariant electrical mean axis in electrocardiogram. Computing in cardiology 2018 ; 2018-09-23 - 2018-09-26.

Kjell Le; Trygve Christian Eftestøl; Kjersti Engan; Stein Ørn; Øyunn Kleiven (2018) High Frequency Noise Detection and Handling in ECG Signals. European Signal Processing Conference 2018; 2018-09-03 - 2018-09-07.

Kjell Le; Trygve Christian Eftestøl; Kjersti Engan; Chunming Rong; Stein Ørn; Øyunn Kleiven (2018) Noise detection and handling in ECG signals. Norsk Forening for Bildebehandling og Mønstergjenkjenning; 2018-03-12 - 2018-03-13.

Stein Ørn; Gerrit van Hall (2017) Does a normal peripheral lactate value always indicate an aerobic tissue metabolism?. I: European Journal of Heart Failure. ISSN 1388-9842. Volum 19. s.1034-1035. DOI: 10.1002/ejhf.863

Øyunn Kleiven; Stein Ørn (2017) P-wave axis as a predictor of mortality. I: European Journal of Preventive Cardiology (EJPC). ISSN 2047-4873. Volum 24. s.1991-1993. DOI: 10.1177/2047487317739044

Trygve Christian Eftestøl; Erlend Singsaas; Kjersti Engan; Leik Woie; Stein Ørn (2015) Automatic Detection of Microvascular Obstruction in Patients with Myocardial Infarction. Computing in Cardiology 2015; 2015-09-06 - 2015-09-09.

Kjersti Engan; Valery Naranjo; Trygve Eftestøl; Stein Ørn; Leik Woie (2015) Segmentation of LG Enhanced Cardiac MRI. Bioimagin, Biosted; 2015-01-12 - 2015-01-15.

Trygve Eftestøl; Frode Måløy; Kjersti Engan; Lasya Priya Kotu; Leik Woie; Stein Ørn (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.

Kjersti Engan; Valery Naranjo; Trygve Eftestøl; Leik Woie; Arthur Schuchter; Stein Ørn (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.

Frode Måløy; Leik Woie; Trygve Eftestøl; Kjersti Engan; Stein Ørn (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.

Kjersti Engan; Valery Naranjo; Trygve Eftestøl; Stein Ørn; Leik Woie (2013) Automatic Segmentation of the Epicardium in Late Gadolinium Enhanced Cardiac MR Images. Computing in Cardiology; 2013-09-22 - 2013-09-25.

Stein Ørn; Tor Harald Melberg; M Jorgensen; T Solli; UM Edland; BT Lie; M Naerland; Kenneth Dickstein (2013) Early discharge (< 3 days) following primary PCI is safe in low risk patients. I: European Heart Journal. ISSN 0195-668X. Volum 34. s.246-246.

Lasya Priya Kotu; Kjersti Engan; Trygve Eftestøl; Leik Woie; Stein Ørn; Aggelos Katsaggelos (2012) LOCAL BINARY PATTERNS USED ON CARDIAC MRI TO CLASSIFY HIGH AND LOW RISK PATIENT GROUPS. EUSIPCO 2012; 2012-08-27 - 2012-08-31.

Stein Ørn; Pål Aukrust (2012) The prediction of adverse cardiac remodelling following myocardial infarction: defining the need for a dynamic multimarker approach. I: Heart. ISSN 1355-6037. Volum 98. s.1112-1113. DOI: 10.1136/heartjnl-2012-302204

Trygve Eftestøl; Leik Woie; Kjersti Engan; Jan Terje Kvaløy; Dennis W.T. Nilsen; Stein Ørn (2012) Texture Analysis to Assess Risk of Serious Arrhythmias after Myocardial Infarction. Computing in Cardiology 2012; 2012-09-09 - 2012-09-12.

Lasya Priya Kotu; Kjersti Engan; Trygve Eftestøl; Stein Ørn; Leik Woie (2011) TEXTURE CLASSIFICATION OF SCARRED AND NON-SCARRED MYOCARDIUM IN CARDIAC MRI USING LEARNED DICTIONARIES. ICIP 2011; 2011-09-11 - 2011-09-14.

Lasya Priya Kotu; Kjersti Engan; Trygve Eftestøl; Stein Ørn; Leik Woie (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.

Kjersti Engan; Trygve Eftestøl; Stein Ørn; Jan Terje Kvaløy; Leik Woie (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.

Leik Woie; T Eftestoel; K Engan; JT Kvaloy; Dennis W.T. Nilsen; Stein Ørn (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. I: European Heart Journal. ISSN 0195-668X. Volum 31. s.586-586.

J Gravning; Stein Ørn; T Edvardsen; VN Martinov; Cord A Manhenke; Kenneth Dickstein; H Attramadal; MS Ahmed (2010) Myocardial connective tissue growth factor (CCN2/CTGF) attenuates left ventricular remodeling after myocardial infarction and prevents ischemic heart failure. I: European Heart Journal. ISSN 0195-668X. Volum 31. s.314-314.

Stein Ørn; ZF Yu; R Hou; H Dargie; Faiez Zannad; Kenneth Dickstein (2010) Smokers spend shorter time in hospital than non-smokers following complicated AMI. I: European Heart Journal. ISSN 0195-668X. Volum 31. s.683-683.

Stein Ørn; Cord A Manhenke; IB Squire; Kenneth Dickstein (2010) Early increase in Stromelysin-1 levels is related to infarct size and predicts long-term LV remodelling following STEMI. I: European Heart Journal. ISSN 0195-668X. Volum 31. s.192-193.

Stein Ørn; C Manhenke; Vernon Bonarjee; Thor Edvardsen; K Dickstein (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.

Cord Arend Manhenke; Stein Ørn; Iain B. Squire; Faiez Zannad; Kenneth Dickstein (2007) The relationship between N-terminal B-type natriuretic peptide and circulating markers of extracellular cardiac remodelling in patients following complicated myocardial infarction. I: European Journal of Heart Failure. ISSN 1388-9842. Volum 6. s.10-11. DOI: 10.1016/S1567-4215(07)60025-3

Stein Ørn; Kenneth Dickstein (2007) Reduce the risk of reinfarction and related complications after myocardial infarction - The reply. I: American Journal of Medicine. ISSN 0002-9343. Volum 120. s.E27-E27. DOI: 10.1016/j.amjmed.2006.07.020