2025

• Halvorsrød, Marlene Iversen; Mohajery, Mohammad; Espeland, Torvald; Salles, Sebastien Andre Roger; Støylen, Asbjørn; Løvstakken, Lasse; Grenne, Bjørnar Leangen. (2025) Mechanical wave velocities in acute myocardial infarction: an exploratory study using three-dimensional high frame rate echocardiography. European Heart Journal – Imaging Methods and Practice (EHJ-IMP)
  Academic article

2024

• Riveland, Egil Aarstad; Valborgland, Torstein; Ushakova, Anastasia; Skadberg, Øyvind; Karlsen, Trine; Hole, Torstein Laurits; Støylen, Asbjørn; Dalen, Håvard; Videm, Vibeke; Koppen, Elias. (2024) Exercise training and high-sensitivity cardiac troponin-I in patients with heart failure with reduced ejection fraction. ESC Heart Failure
  Academic article

2023

• Halvorsrød, Marlene Iversen; Kiss, Gabriel Hanssen; Dahlslett, Thomas; Støylen, Asbjørn; Grenne, Bjørnar Leangen. (2023) Automated tissue Doppler imaging for identification of occluded coronary artery in patients with suspected non-ST-elevation myocardial infarction. The International Journal of Cardiovascular Imaging
  Academic article
• Daae, Annichen Søyland; Wigen, Morten Smedsrud; Halvorsrød, Marlene Iversen; Løvstakken, Lasse; Støylen, Asbjørn; Fadnes, Solveig. (2023) Retrospective Ultrasound Doppler Quantification Using a Single Acquisition in Healthy Adults. Ultrasound in Medicine and Biology
  Academic article
• Halvorsrød, Marlene Iversen; Thorstensen, Anders; Kiss, Gabriel Hanssen; Støylen, Asbjørn. (2023) Segmental myocardial viability by echocardiography at rest. Scandinavian Cardiovascular Journal
  Academic article
• Støylen, Asbjørn; Hansen, Harald Edvard Mølmen; Dalen, Håvard. (2023) Regional motion of the AV-plane is related to the cardiac anatomy and deformation of the AV-plane. Data from the HUNT study. Clinical Physiology and Functional Imaging
  Academic article

2022

• Halle, Martin; Prescott, Eva Bossano; Craenenbroeck, Emeline M Van; Beckers, Paul; Videm, Vibeke; Karlsen, Trine; Feiereisen, Patrick; Winzer, Ephraim B.; Mangner, Norman; Snoer, Martin. (2022) Moderate continuous or high intensity interval exercise in heart failure with reduced ejection fraction: Differences between ischemic and non-ischemic etiology. American Heart Journal Plus: Cardiology Research and Practice (AHJ Plus)
  Academic article

2021

• Støylen, Asbjørn; Daae, Annichen Søyland. (2021) Physiological significance of pre- and post-ejection left ventricular tissue velocities and relations to mitral and aortic valve closures. Clinical Physiology and Functional Imaging
  Academic article
• Daae, Annichen Søyland; Wigen, Morten Smedsrud; Fadnes, Solveig; Løvstakken, Lasse; Støylen, Asbjørn. (2021) Intraventricular Vector Flow Imaging with Blood Speckle Tracking in Adults: Feasibility, Normal Physiology and Mechanisms in Healthy Volunteers. Ultrasound in Medicine and Biology
  Academic article
• Letnes, Jon Magne; Berglund, Ida Johnsen; Johnson, Kristin Espolin; Dalen, Håvard; Nes, Bjarne; Lydersen, Stian; Viken, Hallgeir; Hassel, Erlend; Steinshamn, Sigurd Loe; Vesterbekkmo, Elisabeth Kleivhaug. (2021) Effect of 5 years of exercise training on the cardiovascular risk profile of older adults: the Generation 100 randomized trial. European Heart Journal
  Academic article

2020

• Støylen, Asbjørn; Hansen, Harald Edvard Mølmen; Dalen, Håvard. (2020) Over all variability of mitral annular plane peak systolic velocity and peak global longitudinal strain rate in relation to age, body size, and sex: The HUNT Study. Echocardiography
  Academic article
• Stensvold, Dorthe; Viken, Hallgeir; Steinshamn, Sigurd Loe; Dalen, Håvard; Støylen, Asbjørn; Loennechen, Jan Pål; Reitlo, Line Skarsem; Zisko, Nina; Bækkerud, Fredrik Hjulstad; Tari, Atefe R. (2020) Effect of exercise training for five years on all cause mortality in older adults-The Generation 100 study: Randomised controlled trial. The BMJ
  Academic article
• Letnes, Jon Magne; Nes, Bjarne; Vaardal-Lunde, Kristina; Bratt Slette, Martine; Hansen, Harald Edvard Mølmen; Aspenes, Stian Thoresen; Støylen, Asbjørn; Wisløff, Ulrik; Dalen, Håvard. (2020) Left Atrial Volume, Cardiorespiratory Fitness, and Diastolic Function in Healthy Individuals: The HUNT Study, Norway. Journal of the American Heart Association (JAHA)
  Academic article
• Lund, Joakim Schistad; Aksetøy, Inger-Lise Aamot; Dalen, Håvard; Amundsen, Brage H.; Støylen, Asbjørn. (2020) Left ventricular diastolic function: Effects of high-intensity exercise after acute myocardial infarction. Echocardiography
  Academic article
• Salles, Sebastien; Espeland, Torvald; Rodriguez-Molares, Alfonso; Aase, Svein Arne; Hammer, Tommy; Støylen, Asbjørn; Aakhus, Svend; Løvstakken, Lasse; Torp, Hans. (2020) 3D Myocardial Mechanical Wave Measurements: Toward In Vivo 3D Myocardial Elasticity Mapping. JACC Cardiovascular Imaging
  Academic article
• Salles, Sebastien; Kvåle, Kaja Frøysaa; Lervik, Lars Christian Naterstad; Støylen, Asbjørn; Løvstakken, Lasse; Samset, Eigil; Torp, Hans. (2020) Detection of Tissue Fibrosis using Natural Mechanical Wave Velocity Estimation: Feasibility Study. Ultrasound in Medicine and Biology
  Academic article
• Støylen, Asbjørn; Dalen, Håvard; Hansen, Harald Edvard Mølmen. (2020) Left ventricular longitudinal shortening: relation to stroke volume and ejection fraction in ageing, blood pressure, body size and gender in the HUNT3 study. Open heart
  Academic article

2019

• Grue, Jahn Frederik; Storve, Sigurd; Støylen, Asbjørn; Torp, Hans; Haugen, Bjørn Olav; Hansen, Harald Edvard Mølmen; Dalen, Håvard. (2019) Normal ranges for automatic measurements of tissue Doppler indices of mitral annular motion by echocardiography. Data from the HUNT3 Study. Echocardiography
  Academic article
• Støylen, Asbjørn; Hansen, Harald Edvard Mølmen; Dalen, Håvard. (2019) Left ventricular global strains by linear measurements in three dimensions: interrelations and relations to age, gender and body size in the HUNT Study. Open heart
  Academic article
• Karlsen, Trine; Videm, Vibeke; Halle, Martin; Ellingsen, Øyvind; Støylen, Asbjørn; Dalen, Håvard; Delagardelle, Charles; Larsen, Alf Inge; Hole, Torstein; Mezzani, Alessandro. (2019) Baseline and Exercise Predictors of VO2peak in Systolic Heart Failure Patients: Results from SMARTEX-HF. Medicine & Science in Sports & Exercise
  Academic article

2018

• Støylen, Asbjørn. (2018) Strain and Strain Rate: Different Preload Dependence?. Journal of the American Society of Echocardiography
  Commentary
• Støylen, Asbjørn; Hansen, Harald Edvard Mølmen; Dalen, Håvard. (2018) Relation between mitral annular plane systolic excursion and global longitudinal strain in normal subjects: The HUNT study. Echocardiography
  Academic article
• Wigen, Morten Smedsrud; Fadnes, Solveig; Rodriguez-Molares, Alfonso; Bjåstad, Tore Grüner; Eriksen, Marius; Stensæth, KNUT HAAKON; Støylen, Asbjørn; Løvstakken, Lasse. (2018) 4-D Intracardiac Ultrasound Vector Flow Imaging-Feasibility and Comparison to Phase-Contrast MRI. IEEE Transactions on Medical Imaging
  Academic article

2017

• Leinan, Ingeborg Megård; Aamot, Inger Lise; Støylen, Asbjørn; Karlsen, Trine; Wisløff, Ulrik. (2017) Upper arm venous compliance and fitness in stable coronary artery disease patients and healthy controls. Clinical Physiology and Functional Imaging
  Academic article
• Lervik, Lars Christian Naterstad; Brekke, Birger; Aase, Svein Arne; Lønnebakken, Mai Tone; Stensvåg, Dordi; Amundsen, Brage H.; Torp, Hans; Støylen, Asbjørn. (2017) Myocardial Strain Rate by Anatomic Doppler Spectrum: First Clinical Experience Using Retrospective Spectral Tissue Doppler from Ultra-High Frame Rate Imaging. Ultrasound in Medicine and Biology
  Academic article
• Stensvold, Dorthe; Sandbakk, Silvana Bucher; Viken, Hallgeir; Zisko, Nina; Reitlo, Line Skarsem; Nauman, Javaid; Gaustad, Svein Erik; Hassel, Erlend; Moufack, Marcel; Brønstad, Eivind. (2017) Cardiorespiratory Reference Data in Older Adults: The Generation 100 Study. Medicine & Science in Sports & Exercise
  Academic article
• Karlsen, Trine; Nes, Bjarne; Tjønna, Arnt Erik; Engstrøm, Morten; Støylen, Asbjørn; Steinshamn, Sigurd Loe. (2017) High-intensity interval training improves obstructive sleep apnoea. BMJ Open sport & exercise medicine
  Academic article
• Ellingsen, Øyvind; Halle, Martin; Conraads, Viviane; Støylen, Asbjørn; Dalen, Håvard; Delagardelle, Charles; Larsen, Alf Inge; Hole, Torstein; Mezzani, Alessandro; Craenenbroeck, Emeline M. Van. (2017) High-Intensity Interval Training in Patients with Heart Failure with Reduced Ejection Fraction. Circulation
  Academic article
• Salles, Sebastien; Rodriguez-Molares, Alfonso; Støylen, Asbjørn; Bjåstad, Tore Grüner; Aase, Svein Arne; Løvstakken, Lasse; Torp, Hans. (2017) 3D myocardial mechanical wave measurements using high frame rate ultrasound imaging and Clutter filter wave imaging: Towards a 3D myocardial elasticity mapping. Proceedings - IEEE Ultrasonics Symposium
  Conference abstract

2016

• Karlsen, Trine; Leinan, Ingeborg Megård; Aamot, Inger Lise; Dalen, Håvard; Støylen, Asbjørn. (2016) Safety of the CO-Rebreathing method in patients with coronary artery disease. Medicine & Science in Sports & Exercise
  Academic article
• Støylen, Asbjørn; Hansen, Harald Edvard Mølmen; Dalen, Håvard. (2016) Importance of length and external diameter in left ventricular geometry. Normal values from the HUNT Study. Open heart
  Academic article
• Nestaas, Eirik; Støylen, Asbjørn; Fugelseth, Drude. (2016) Speckle tracking using gray-scale information from tissue Doppler recordings versus regular gray-scale recordings in term neonates. Ultrasound in Medicine and Biology
  Academic article
• Aamot, Inger Lise; Vesterbekkmo, Elisabeth Kleivhaug; Dalen, Håvard; Støylen, Asbjørn. (2016) Gender differences in physical activity measured with accelerometer 6 weeks after exercise-based cardiac rehabilitation. Medicine & Science in Sports & Exercise
  Conference abstract
• Malmo, Vegard; Nes, Bjarne; Amundsen, Brage H.; Tjønna, Arnt Erik; Støylen, Asbjørn; Rossvoll, Ole; Wisløff, Ulrik; Loennechen, Jan Pål. (2016) Aerobic interval training reduces the burden of Atrial fibrillation in the short term: A randomized trial. Circulation
  Academic article
• Aamot, Inger Lise; Karlsen, Trine; Dalen, Håvard; Støylen, Asbjørn. (2016) Long-term exercise adherence after high-intensity interval training in cardiac rehabilitation: a randomized study. Physiotherapy Research International
  Academic article

2015

• Karlsen, Trine; Leinan, Ingeborg Megård; Bækkerud, Fredrik Hjulstad; Lundgren, Kari Margrethe; Tari, Atefe R; Steinshamn, Sigurd Loe; Støylen, Asbjørn; Rognmo, Øivind. (2015) How to Be 80 Year Old and Have a VO2max of a 35 Year Old. Case Reports in Medicine
  Academic article
• Dalen, Håvard; Mølmen, Harald Edvard; Thorstensen, Anders; Støylen, Asbjørn; Schirmer, Henrik; Otterstad, Jan Erik. (2015) Ethnic-Specific Normative Reference Values for Echocardiographic LA and LV Size, LV Mass, and Systolic Function: The EchoNoRMAL Study. JACC Cardiovascular Imaging
  Academic article
• Støylen, Asbjørn. (2015) Measurements of myocardial deformation - strain and strain rate - by ultrasound. Asbjørn Støylen
  Working paper
• Støylen, Asbjørn. (2015) Basic ultrasound, echocardiography and Doppler for clinicians. Asbjørn Støylen
  Working paper
• Støylen, Asbjørn. (2015) Mathematics of strain and strain rate. Asbjørn Støylen
  Working paper
• Stensvold, Dorthe; Viken, Hallgeir; Rognmo, Øivind; Skogvoll, Eirik; Steinshamn, Sigurd Loe; Vatten, Lars Johan; Coombes, Jeff S; Anderssen, Sigmund Alfred; Magnussen, Jon; Ingebrigtsen, Jan Erik. (2015) A randomised controlled study of the long-term effects of exercise training on mortality in elderly people: Study protocol for the generation 100 study. BMJ Open
  Academic article
• Støylen, Asbjørn. (2015) Strain rate imaging. Myocardial deformation imaging by ultrasound / echocardiography Tissue Doppler and Speckle tracking. Asbjørn Støylen
  Working paper
• Leinan, Ingeborg Megård; Grønnevik, Øystein; Støylen, Asbjørn; Wisløff, Ulrik; Karlsen, Trine. (2015) A cross sectional study of arm venous compliance in fit healthy subjects. Journal of Cardiovascular Research
  Academic article

2014

• Nestaas, Eirik; Skranes, Janne Helen; Støylen, Asbjørn; Brunvand, Leif; Fugelseth, Drude. (2014) The myocardial function during and after whole-body therapeutic hypothermia for hypoxic–ischemic encephalopathy, a cohort study. Early Human Development
  Academic article
• Nestaas, Eirik; Fugelseth, Drude; Støylen, Asbjørn. (2014) Automated, Objective and Expert-Independent Assessment of the Analyzability of Strain and Strain Rate in Tissue Doppler Images in Term Neonates by Analysis of Beat-to-Beat Variation. Ultrasound in Medicine and Biology
  Academic article
• Aamot, Inger-Lise; Forbord, Siv Hege; Karlsen, Trine; Støylen, Asbjørn. (2014) Does rating of perceived exertion result in target exercise intensity during interval training in cardiac rehabilitation? A study of the Borg scale versus a heart rate monitor. Journal of Science and Medicine in Sport
  Academic article
• Brekke, Birger; Nilsen, Lars Christian Lervik; Lund, Joakim Schistad; Torp, Hans; Bjåstad, Tore; Amundsen, Brage H.; Støylen, Asbjørn; Aase, Svein Arne. (2014) Ultra-high frame rate tissue doppler imaging. Ultrasound in Medicine and Biology
  Academic article
• Aamot, Inger Lise; Forbord, Siv Hege; Gustad, Kjersti; Løckra, Vibeke; Stensen, Andreas; Berg, Astrid Tarlebø; Dalen, Håvard; Karlsen, Trine; Støylen, Asbjørn. (2014) Home-based versus hospital-based high-intensity interval training in cardiac rehabilitation: A randomized study. European Journal of Preventive Cardiology (EJPC)
  Academic article
• Eriksen, Beate Horsberg; Støylen, Asbjørn. (2014) Myocardial Function in Infants During Postnatal Transition and With Further Maturation: A longitudinal echocardiographic study in preterm and term infants. Norges teknisk-naturvitenskapelige universitet
  Doctoral thesis
• Eriksen, Beate Horsberg; Nestaas, Eirik; Hole, Torstein; Liestøl, Knut; Støylen, Asbjørn; Fugelseth, Drude. (2014) Myocardial function in term and preterm infants. Influence of heart size, gestational age and postnatal maturation. Early Human Development
  Academic article

2013

• Eriksen, Beate Horsberg; Nestaas, Eirik; Hole, Torstein; Liestøl, Knut; Støylen, Asbjørn; Fugelseth, Drude. (2013) Longitudinal assessment of atrioventricular annulus excursion by grey-scale m-mode and colour tissue Doppler imaging in premature infants. Early Human Development
  Academic article
• Thorstensen, Anders; Dalen, Håvard; Hala, Pavel; Kiss, Gabriel; D'Hooge, Jan R M; Torp, Hans; Støylen, Asbjørn; Amundsen, Brage H.. (2013) Three-Dimensional Echocardiography in the Evaluation of Global and Regional Function in Patients with Recent Myocardial Infarction: A Comparison with Magnetic Resonance Imaging. Echocardiography
  Academic article
• Eriksen, Beate Horsberg; Nestaas, Eirik; Hole, Torstein; Liestøl, Knut; Støylen, Asbjørn; Fugelseth, Drude. (2013) Myocardial function in premature infants: a longitudinal observational study. BMJ Open
  Academic article
• Støylen, Asbjørn. (2013) Trening i kardiovaskulær profylakse og behandling. Hjerteforum
  Academic literature review

2012

• Tyldum, Eva Veslemøy; Backe, Bjørn; Støylen, Asbjørn; Slørdahl, Stig Arild. (2012) Maternal left ventricular and endothelial functions in preeclampsia. Acta Obstetricia et Gynecologica Scandinavica
  Academic article
• Støylen, Asbjørn; Nes, Bjarne Martens; Karlsen, Trine. (2012) Maksimal forventet hjertefrekvens. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Nes, Bjarne Martens; Janszky, Imre; Wisløff, Ulrik; Støylen, Asbjørn; Karlsen, Trine. (2012) Age-predicted maximal heart rate in healthy subjects: The HUNT Fitness Study. Scandinavian Journal of Medicine & Science in Sports
  Academic article
• Nestaas, Eirik; Støylen, Asbjørn; Fugelseth, Drude. (2012) Myocardial performance assessment in neonates by one-segment strain and strain rate analysis by tissue Doppler - a quality improvement cohort study. BMJ Open
  Academic article
• Thorstensen, Anders; Amundsen, Brage H.; Dalen, Håvard; Hala, Pavel; Kiss, Gabriel; Aase, Svein Arne; Torp, Hans; Støylen, Asbjørn. (2012) Strain rate imaging combined with wall motion analysis gives incremental value in direct quantification of myocardial infarct size. European Heart Journal-Cardiovascular Imaging
  Academic article
• Støylen, Asbjørn; Conraads, Viviane; Halle, Martin; Linke, Axel; Prescott, Eva; Ellingsen, Øyvind. (2012) Controlled study of myocardial recovery after interval training in heart failure: SMARTEX-HF - rationale and design. European Journal of Preventive Cardiology (EJPC)
  Academic article
• Karlsen, Trine; Leinan, Ingeborg; Bækkerud, Fredrik H; Solberg, Frederic; Støylen, Asbjørn; Rognmo, Øivind; Wisløff, Ulrik. (2012) Total Hemoglobin Mass, Erythrocyte Volume and VO2max in Overweight and Normal Weight Healthy Subjects. Medicine & Science in Sports & Exercise
  Conference abstract
• Molmen, Harald Edvard; Wisløff, Ulrik; Aamot, Inger Lise; Støylen, Asbjørn; Ingul, Charlotte Bjørk. (2012) Aerobic interval training compensates age related decline in cardiac function. Scandinavian Cardiovascular Journal
  Academic article
• Leinan, Ingeborg; Gronnevik, Øystein; Støylen, Asbjørn; Wisloff, Ulrik; Karlsen, Trine. (2012) Cardiovascular Fitness is Associated with Venous Compliance in Healthy Subjects. Medicine & Science in Sports & Exercise
  Conference abstract
• Aamot, Inger Lise; Forbord, Siv Hege; Lockra, Vibeke; Gustad, Kjersti; Stensen, Andreas; Berg, Astrid Tarlebø; Dalen, Håvard; Karlsen, Trine; Støylen, Asbjørn. (2012) Feasibility Of Aerobic Interval Training In Cardiac Rehabilitation. Medicine & Science in Sports & Exercise
  Conference abstract
• Aamot, Inger Lise; Forbord, Siv Hege; Lockra, Vibeke; Gustad, Kjersti; Stensen, Andreas; Berg, Astrid Tarlebø; Dalen, Håvard; Karlsen, Trine; Støylen, Asbjørn. (2012) High-intensity Aerobic Interval Training In Cardiac Rehabilitation: A Matter Of Mode?. Medicine & Science in Sports & Exercise
  Conference abstract
• Moholdt, Trine Tegdan; Aamot, Inger Lise; Granøien, Ingrid; Gjerde, Lisbeth; Myklebust, Gitte; Walderhaug, Liv; Brattbakk, Line; Hole, Torstein; Graven, Torbjørn; Stølen, Tomas. (2012) Aerobic interval training increases peak oxygen uptake more than usual care exercise training in myocardial infarction patients: a randomised, controlled study. Clinical Rehabilitation
  Academic article
• Hansen, Harald Edvard Mølmen; Stølen, Tomas; Tjønna, Arnt Erik; Aamot, Inger Lise; Schjerve, Inga Ekeberg; Tyldum, Gjertrud Aunet; Wisløff, Ulrik; Ingul, Charlotte Bjørk; Støylen, Asbjørn. (2012) Aerobic interval training reduces blood pressure and improves myocardial function in hypertensive patients. European Journal of Cardiovascular Prevention & Rehabilitation
  Academic article

2011

• Fugelseth, Drude; Ramstad, HEIDI; Kvehaugen, Anne Stine; Nestaas, Eirik; Støylen, Asbjørn; Staff, Anne Cathrine. (2011) Myocardial function in offspring 5-8 years after pregnancy complicated by preeclampsia. Early Human Development
  Academic article
• Brekke, Birger; Torp, Hans; Bjåstad, Tore; Støylen, Asbjørn; Aase, Svein Arne. (2011) 3D Tissue Doppler imaging with ultra high frame rate. IEEE International Ultrasonics Symposium Proceedings
  Academic article
• Thorstensen, Anders; Dalen, Håvard; Amundsen, Brage H.; Støylen, Asbjørn. (2011) Peak systolic velocity indices are more sensitive than end-systolic indices in detecting contraction changes assessed by echocardiography in young healthy humans. European Heart Journal-Cardiovascular Imaging
  Academic article
• Helgerud, Jan; Karlsen, Trine; Kim, WY; Høydal, Kjetil L; Støylen, Asbjørn; Pedersen, H; Brix, L; Ringgaard, S; Kværness, J; Hoff, Jan. (2011) Interval and Strength Training in CAD Patients. International Journal of Sports Medicine (IJSM)
  Academic article
• Aase, Svein Arne; Snare, Sten Roar; Dalen, Håvard; Støylen, Asbjørn; Orderud, Fredrik; Torp, Hans. (2011) Echocardiography without electrocardiogram. European Heart Journal-Cardiovascular Imaging
  Academic article
• Moholdt, Trine Tegdan; Aamot, Inger Lise; Granøien, Ingrid; Gjerde, Lisbeth; Myklebust, G; Walderhaug, Liv; Hole, Torstein; Graven, Torbjørn; Stølen, Tomas; Hansen, Harald Edvard Mølmen. (2011) Long-term follow-up after cardiac rehabilitation A randomized study of usual care exercise training versus aerobic interval training after myocardial infarction. International Journal of Cardiology
  Commentary
• Nestaas, Eirik; Støylen, Asbjørn; Brunvand, Leif; Fugelseth, Drude. (2011) Longitudinal strain and strain rate by tissue Doppler are more sensitive indices than fractional shortening for assessing the reduced myocardial function in asphyxiated neonates. Cardiology in the Young
  Academic article
• Dalen, Håvard; Thorstensen, Anders; Romundstad, Pål Richard; Aase, Svein Arne; Støylen, Asbjørn; Vatten, Lars Johan. (2011) Cardiovascular Risk Factors and Systolic and Diastolic Cardiac Function: A Tissue Doppler and Speckle Tracking Echocardiographic Study. Journal of the American Society of Echocardiography
  Academic article

2010

• Dalen, Håvard; Thorstensen, Anders; Aase, Svein Arne; Ingul, Charlotte Bjørk; Torp, Hans; Vatten, Lars Johan; Støylen, Asbjørn. (2010) Segmental and global longitudinal strain and strain rate based on echocardiography of 1266 healthy individuals: the HUNT study in Norway. European Heart Journal-Cardiovascular Imaging
  Academic article
• Ingul, Charlotte Bjørk; Tjønna, Arnt Erik; Stølen, Tomas; Støylen, Asbjørn; Wisløff, Ulrik. (2010) Impaired cardiac function among obese adolescents: effect of aerobic interval training. Archives of Pediatrics & Adolescent Medicine
  Academic article
• Støylen, Asbjørn. (2010) Basic ultrasound, echocardiography and Doppler for clinicians. NTNU
  Working paper
• Aamot, Inger Lise; Moholdt, Trine; Amundsen, Brage H.; Solberg, Hilde Strøm; Mørkved, Siv; Støylen, Asbjørn. (2010) Onset of exercise training 14 days after uncomplicated myocardial infarction: a randomized clinical trial. European Journal of Cardiovascular Prevention & Rehabilitation
  Academic article
• Ingul, Charlotte Bjørk; Malm, Siri; Refsdal, Erlend; Hegbom, Knut; Amundsen, Brage H.; Støylen, Asbjørn. (2010) Recovery of Function After Acute Myocardial Infarction Evaluated by Tissue Doppler Strain and Strain Rate. Journal of the American Society of Echocardiography
  Academic article
• Aase, Svein Arne; Ingul, Charlotte Bjørk; Thorstensen, Anders; Torp, Hans; Støylen, Asbjørn. (2010) Aortic Valve Closure: Relation to Tissue Velocities by Doppler and Speckle Tracking in Patients with Infarction and at High Heart Rates. Echocardiography
  Academic article
• Thorstensen, Anders; Dalen, Håvard; Amundsen, Brage H.; Aase, Svein Arne; Støylen, Asbjørn. (2010) Reproducibility in echocardiographic assessment of the left ventricular global and regional function, the HUNT study. European Heart Journal-Cardiovascular Imaging
  Academic article
• Støylen, Asbjørn. (2010) Possible benefit of cardiac resynchronization therapy with ejection fraction >35%. European Journal of Heart Failure
  Commentary
• Hansen, Harald Edvard Mølmen; Wisløff, Ulrik; Aamot, Inger Lise; Støylen, Asbjørn; Ingul, Charlotte Bjørk. (2010) Improved diastolic myocardial function in elderly after high intensity aerobic interval training, compared to old master athletes. European Heart Journal-Cardiovascular Imaging
  Conference abstract
• Dalen, Håvard; Støylen, Asbjørn; Vatten, Lars Johan. (2010) Echocardiographic indices of cardiac function. Normal values and associations with cardiac risk factoprs in a population free from cardiac disease, hypertension and diabetes: The HUNT3 study. NTNU
  Doctoral thesis
• Dale, Kjetil; Støylen, Asbjørn. (2010) Is tissue Doppler based- and speckle tracking based strain and strain rate comparable at high heart rate?. European Heart Journal-Cardiovascular Imaging
  Conference abstract
• Hansen, Harald Edvard Mølmen; Aamot, Inger Lise; Wisløff, Ulrik; Støylen, Asbjørn; Ingul, Charlotte Bjørk. (2010) Influence of long-term vs. short-term endurance training in old males on left ventricular function. European Heart Journal, Supplement
  Conference abstract
• Moholdt, Trine Tegdan; Aamot, Inger Lise; Gjerde, Lisbeth; Myklebust, Gitte; Hole, Torstein; Stølen, Tomas; Hansen, Harald Edvard Mølmen; Støylen, Asbjørn; Wisløff, Ulrik; Slørdahl, Stig Arild. (2010) Group exercise versus aerobic interval training in myocardial infarction patients. A randomised controlled study with 30 months follow-up. European Heart Journal
  Conference abstract
• Hovland, Anders Wilhelm; Staub, Uwe Hans; Bjørnstad, hanne; Prytz, Jan Fredrik; Sexton, Joseph; Støylen, Asbjørn; Vik-Mo, Harald. (2010) Gated SPECT Offers Improved Interobserver Agreement Compared With Echocardiography. Clinical Nuclear Medicine
  Academic article
• Dalen, Håvard; Thorstensen, Anders; Vatten, Lars Johan; Aase, Svein Arne; Støylen, Asbjørn. (2010) Reference Values and Distribution of Conventional Echocardiographic Doppler Measures and Longitudinal Tissue Doppler Velocities in a Population Free From Cardiovascular Disease. Circulation Cardiovascular Imaging
  Academic article

2009

• Rustad, Lene Anette; Amundsen, Brage H.; Slørdahl, Stig Arild; Støylen, Asbjørn. (2009) Upright bicycle exercise echocardiography in patients with myocardial infarction shows lack of diastolic, but not systolic, reserve: a tissue Doppler study. European Heart Journal-Cardiovascular Imaging
  Academic article
• Sandvei, Marie Søfteland; Amundsen, Brage H.; Haugen, Bjørn Olav; Støylen, Asbjørn; Slørdahl, Stig Arild; Vik, Anne. (2009) Left ventricular myocardial function during the acute phase of a subarachnoid haemorrhage. Scandinavian Cardiovascular Journal
  Academic article
• Nestaas, E; Stoylen, A; Støylen, Asbjørn; Brunvand, L; Fugelseth, D. (2009) Tissue Doppler Derived Longitudinal Strain and Strain Rate During the First 3 Days of Life in Healthy Term Neonates. Pediatric Research
  Academic article
• Hovland, A; Bjornstad, H; Prytz, J; Støylen, Asbjørn; Vik-Mo, Harald. (2009) Feasibility of Using Tissue Doppler Velocities in Stress Echo during Upright Bicycle Exercise. Echocardiography
  Academic article
• Amundsen, Brage H.; Crosby, Jonas; Steen, PA; Torp, Hans; Slørdahl, Stig Arild; Støylen, Asbjørn. (2009) Regional myocardial long-axis strain and strain rate measured by different tissue Doppler and speckle tracking echocardiography methods: a comparison with tagged magnetic resonance imaging. European Heart Journal-Cardiovascular Imaging
  Academic article
• Karlsen, Trine; Helgerud, Jan; Støylen, Asbjørn; Lauritsen, N; Hoff, Jan. (2009) Maximal Strength Training Restores Walking Mechanical Effeciency in Heart Patients. International Journal of Sports Medicine (IJSM)
  Academic article

2008

• Aase, Svein Arne; Torp, Hans; Støylen, Asbjørn. (2008) Aortic valve closure: relation to tissue velocities by Doppler and speckle tracking in normal subjects. European Heart Journal-Cardiovascular Imaging
  Academic article
• Nestaas, Eirik; Støylen, Asbjørn; Fugelseth, Drude. (2008) Optimal types of probe, and tissue Doppler frame rates, for use during tissue Doppler recording and off-line analysis of strain and strain rate in neonates at term. Cardiology in the Young
  Academic article
• Karlsen, Trine; Hoff, Jan; Støylen, Asbjørn; Skovholt, Mie Cappelen; Aarhus, Kari Gulbrandsen; Helgerud, Jan. (2008) Aerobic interval training improves VO2 peak in coronary artery disease patients; no additional effect from hyperoxia. Scandinavian Cardiovascular Journal
  Academic article
• Amundsen, Brage H.; Slørdahl, Stig Arild; Støylen, Asbjørn; Torp, Hans. (2008) Myocardial function quantified by speckle tracking and tissue Doppler echocardiography – Validation and application in exercise testing and training. Norges teknisk-naturvitenskapelige universitet
  Doctoral thesis
• Aase, Svein Arne; Torp, Hans; Amundsen, Brage H.; Bjåstad, Tore; Støylen, Asbjørn. (2008) Peak sysotlic velocity by upper edge of pulsed wave tissue Doppler spectrums cause overestimation compared to M-mode in normal subjects. European Heart Journal-Cardiovascular Imaging
  Conference abstract
• Amundsen, Brage H.; Crosby, Jonas; Steen, Per Arvid; Torp, Hans; Slørdahl, Stig Arild; Støylen, Asbjørn. (2008) Regional myocardial long-axis strain and strain rate measured by different tissue Doppler and speckle tracking echocardiography methods –a comparison with tagged magnetic resonance imaging. European Heart Journal-Cardiovascular Imaging
  Academic article
• Rustad, Lene Anette; Amundsen, Brage H.; Slørdahl, Stig Arild; Støylen, Asbjørn. (2008) Upright bicycle exercise echocardiography in patients with myocardial infarction shows lack of diastolic, but not systolic, reserve: a tissue Doppler study. European Heart Journal-Cardiovascular Imaging
  Academic article
• Sandvei, Marie Søfteland; Amundsen, Brage H.; Haugen, Bjørn Olav; Støylen, Asbjørn; Slørdahl, Stig Arild; Vik, Anne. (2008) Left ventricular function during the acute phase of a subarachnoid haemorrhage. Scandinavian Cardiovascular Journal
  Academic article

2007

• Nestaas, Eirik; Støylen, Asbjørn; Sandvik, Leif; Brunvand, Leif; Fugelseth, Drude. (2007) FEASIBILITY AND RELIABILITY OF STRAIN AND STRAIN RATE MEASUREMENT IN NEONATES BY OPTIMIZING THE ANALYSIS PARAMETERS SETTINGS. Ultrasound in Medicine and Biology
  Academic article
• Nestaas, Eirik; Støylen, Asbjørn; Sandvik, Leiv; Brunvand, Leif; Fugelseth, Drude. (2007) Feasibility and reliability of strain and strain rate measurement in neonates by optimizing the analysis parameters settings. Ultrasound in Medicine and Biology
  Academic article
• Ingul, Charlotte Bjørk; Støylen, Asbjørn; Slørdahl, Stig Arild; Wiseth, Rune; Burgess, Malcolm; Marwick, Thomas H.. (2007) Automated analysis of myocardial deformation at dobutamine stress echocardiography: an angiographic validation. Journal of the American College of Cardiology
  Academic article
• Tyldum, Eva Veslemøy; Støylen, Asbjørn; Backe, Bjørn; Slørdahl, Stig Arild. (2007) Impaired systolic and diastolic left ventricular function in preeclampsia. European Heart Journal-Cardiovascular Imaging
  Conference abstract
• Wisløff, Ulrik; Støylen, Asbjørn; Loennechen, Jan Pål; Bruvold, Morten; Rognmo, Øivind; Haram, Per Magnus; Tjønna, Arnt Erik; Helgerud, Jan; Slørdahl, Stig Arild; Lee, Sang Jun. (2007) Superior cardiovascular effect of aerobic interval training versus moderate continuous training in heart failure patients - A randomized study. Circulation
  Academic article
• Brekke, Svein; Rabben, SI; Støylen, Asbjørn; Haugen, A; Haugen, GU; Steen, EN; Torp, Hans. (2007) Volume stitching in three-dimensional echocardiography: Distortion analysis and extension to real time. Ultrasound in Medicine and Biology
  Academic article
• Høydal, Kjetil Laurits; Helgerud, Jan; Karlsen, Trine; Støylen, Asbjørn; Steinshamn, Sigurd Loe; Hoff, Jan. (2007) Patients with coronary artery- or chronic obstructive pulmonary disease walk with mechanical inefficiency. Scandinavian Cardiovascular Journal
  Academic article
• Sandvei, Marie Søfteland; Amundsen, Brage H.; Haugen, Bjørn Olav; Støylen, Asbjørn; Slørdahl, Stig Arild; Vik, Anne. (2007) Left ventricular function during the course of subarachnoid haemorrhage. Acta Neurochirurgica
  Conference abstract
• Støylen, Asbjørn. (2007) Three-dimensional reconstruction of strain measurements and measurement of strain in three dimensions.
  Academic chapter
• Støylen, Asbjørn. (2007) Strain Echocardiography.
  Academic chapter
• Skjold, Arne; Amundsen, Brage H.; Wiseth, Rune; Støylen, Asbjørn; Haraldseth, Olav; Larsson, Henrik; Jynge, Per. (2007) Manganese dipyridoxyl-diphosphate (MnDPDP) as a viability marker in patients with myocardial infarction. Journal of Magnetic Resonance Imaging
  Academic article
• Ingul, Charlotte Bjørk; Stølen, Tomas; Støylen, Asbjørn; Ødegaard, Rønnaug; Wisløff, Ulrik; Tjønna, Arnt Erik. (2007) Endurance training improves contractility and stroke volume at rest and during exercise in obese adolescents. European Heart Journal-Cardiovascular Imaging
  Academic article

2006

• Karlsen, Trine; Hoff, Jan; Støylen, Asbjørn; Helgerud, Jan. (2006) Aerobic Interval Training Breathing 100% O2 Improves VO2peak Equally as Ambient Air Training in Coronary Patients. Medicine & Science in Sports & Exercise
  Conference abstract
• Amundsen, Brage H.; Helle-Valle, T; Edvardsen, Thor; Torp, Hans; Crosby, Jonas; Lyseggen, Erik; Støylen, Asbjørn; Ihlen, Halfdan; Lima, Joao A. C.; Smiseth, O. (2006) Noninvasive myocardial strain measurement by speckle tracking echocardiography - Validation against sonomicrometry and tagged magnetic resonance imaging. Journal of the American College of Cardiology
  Academic article
• Malm, Siri; Frigstad, Sigmund; Støylen, Asbjørn; Torp, Hans; Sagberg, Einar; Skjærpe, Terje. (2006) Effects of ultrasound contrast during tissue velocity imaging on regional left ventricular velocity, strain, and strain rate measurements. Journal of the American Society of Echocardiography
  Academic article
• Aase, Svein Arne; Støylen, Asbjørn; Ingul, Charlotte Bjørk; Frigstad, Sigmund; Torp, Hans. (2006) Automatic timing of aortic valve closure in apical tissue Doppler images. Ultrasound in Medicine and Biology
  Academic article

2005

• Ingul, Charlotte Bjørk; Støylen, Asbjørn; Slørdahl, Stig Arild. (2005) Recovery of stunned myocardium in acute myocardial infarction quantified by strain rate imaging: A clinical study. Journal of the American Society of Echocardiography
  Academic article
• Ingul, Charlotte Bjørk; Torp, Hans; Aase, Svein Arne; Berg, Sigrid; Støylen, Asbjørn; Slørdahl, Stig Arild. (2005) Automated analysis of strain rate and strain: Feasibility and clinical implications. Journal of the American Society of Echocardiography
  Academic article
• Støylen, Asbjørn. (2005) Basic ultrasound. NTNU
  Working paper
• Aase, Svein Arne; Støylen, Asbjørn; Ingul, Charlotte Bjørk; Frigstad, Sigmund; Torp, Hans. (2005) Automatic timing of aortic valve closure using tissue Doppler imaging. European Heart Journal-Cardiovascular Imaging
  Conference abstract
• Malm, Siri; Støylen, Asbjørn; Sagberg, Einar; Torp, Hans; Amundsen, Brage H.; Skjærpe, Terje. (2005) Fractional myocardial infarct area size estimated by reconstructed 3-dimensional parametric strain rate imaging. European Heart Journal-Cardiovascular Imaging
  Conference abstract
• Dale, Kjetil; Støylen, Asbjørn. (2005) Is 2D strain by speckle tracking and tissue Doppler imaging comparable at high heart rate?. European Heart Journal-Cardiovascular Imaging
  Conference abstract
• Støylen, Asbjørn. (2005) Referat fra Euroecho 8, Athen. Hjerteforum
  Conference abstract
• Ingul, Charlotte Bjørk; Støylen, Asbjørn; Slørdahl, Stig Arild; Bjørnstad, Knut; Aase, Svein Arne; Torp, Hans; Marwick, Thomas. (2005) Automated peak systolic strain rate increases the accuracy of dobutamine stress echocardiography. European Heart Journal
  Conference abstract

2004

• Støylen, Asbjørn. (2004) Stressekkokardiografi.
  Academic chapter
• Støylen, Asbjørn. (2004) Reply to letter. European Heart Journal-Cardiovascular Imaging
  Commentary
• Støylen, Asbjørn; Bjørnstad, Knut. (2004) Stressekkokardiografi. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Slørdahl, Stig Arild; Madslien, VO; Støylen, Asbjørn; Kjos, A; Helgerud, Jan; Wisløff, Ulrik. (2004) Atrioventricular plane displacement in untrained and trained females. Medicine & Science in Sports & Exercise
  Academic article
• Malm, Siri; Sagberg, Einar; Frigstad, Sigmund; Støylen, Asbjørn; Skjærpe, Terje. (2004) Effects of contrast on regional left ventricular strain and strain rate measurements. European Heart Journal-Cardiovascular Imaging
  Conference abstract
• Støylen, Asbjørn. (2004) Mathematics of strain and strain rate. NTNU
  Working paper
• Støylen, Asbjørn. (2004) Physiology of strain and strain rate imaging. NTNU
  Working paper
• Støylen, Asbjørn. (2004) Strain rate imaging. NTNU
  Working paper
• Støylen, Asbjørn. (2004) Problems and pitfalls in strain rate imaging. NTNU
  Working paper
• Støylen, Asbjørn. (2004) Clinical utility of strain rate imaging. NTNU
  Working paper
• Støylen, Asbjørn. (2004) How to use strain rate imaging. NTNU
  Working paper
• Støylen, Asbjørn. (2004) Parametric imaging. NTNU
  Working paper
• Smiseth, Otto; Støylen, Asbjørn; Ihlen, Halvdan. (2004) Tissue Doppler imaging for the diagnosis of coronary artery disease. Current Opinion in Cardiology
  Academic literature review

2003

• Støylen, Asbjørn; Wisløff, Ulrik; Slørdahl, Stig Arild. (2003) Left ventricular mechanics during exercise: a Doppler and tissue Doppler study. European Heart Journal-Cardiovascular Imaging
  Academic article
• Støylen, Asbjørn; Wisløff, Ulrik; Slørdahl, Stig Arild. (2003) Left ventricular mechanics during exercise, A Doppler and tissue Doppler study. European Heart Journal-Cardiovascular Imaging
  Academic article
• Støylen, Asbjørn; Skjærpe, Terje. (2003) Systolic long axis function of the left ventricle. Global and regional information. Scandinavian Cardiovascular Journal
  Academic article
• Støylen, Asbjørn; Skjærpe, Terje; Sletvold, Olav. (2003) Post systolic shortening in non-obstructive hypertrophic cardiomyopathy with delayed emptying of the apex. A Doppler flow, tissue Doppler and strain rate imaging case study. Echocardiography
  Academic article
• Støylen, Asbjørn; Skjærpe, Terje; Skjelvan, Gunnar. (2003) Flow propagation velocity is not a simple index of diastolic function in early filling. A comparative study of early diastolic strain rate and strain rate propagation, flow and flow propagation in normal and reduced diastolic function. Cardiovascular Ultrasound
  Academic article
• Støylen, Asbjørn; Ingul, Charlotte Bjørk; Torp, Hans. (2003) Strain and Strain Rate Parametric Imaging. A new Method for Post Processing to 3- / 4-dimensional images from three standard apical planes. Preliminary Data on Feasibility, Artefact and Regional Dyssynergy Visualisation. Cardiovascular Ultrasound
  Academic article

2002

• Støylen, Asbjørn. (2002) Regional venstre ventrikkelfunksjon bedømt med vevsdopplerbaserte metoder: Tissue velocity, Strain rate Imaging, Tissue Tracking og Farge M-mode. Hjerteforum
  Academic article

2001

• Støylen, Asbjørn. (2001) Strain rate imaging og the left ventricle by ultrasound: Feasibility, clinical validation and physiological aspects. Norges teknisk-naturvitenskapelige universitet
  Doctoral thesis
• Slørdahl, Stig A.; Bjærum, Steinar; Amundsen, Brage H.; Støylen, Asbjørn; Heimdal, Andreas; Rabben, Stein Inge; Torp, Hans. (2001) High frame rate strain rate imaging of the interventricular septum in healthy subjects. European Journal of Ultrasound
  Academic article
• Loenneche, Jan P.; Wisløff, Ulrik; Støylen, Asbjørn; Beisvåg, Vidar; Ellingsen, Øyvind. (2001) Regional expression of endothelin-1, ANP, IGF-1, and LV wall stress in the infarcted rat heart. American Journal of Physiology. Heart and Circulatory Physiology
  Academic article
• Wisløff, Ulrik; Helgerud, Jan; Støylen, Asbjørn; Ellingsen, Øyvind. (2001) Atrioventricular plane displacement in female endurance athletes. Medicine & Science in Sports & Exercise
  Academic article
• Støylen, Asbjørn; Slørdahl, Stig A.; Skjelvan, G K.; Heimdal, Andreas; Skjærpe, T.. (2001) Strain rate imaging in normal and reduced diastolic function: Comparison with pulsed doppler tissue imaging of the mitral annulus. Journal of the American Society of Echocardiography
  Academic article
• Wisløff, Ulrik; Helgerud, Jan; Støylen, Asbjørn; Ellingsen, Øyvind. (2001) Athletes heart, maximal oxygen uptake, left ventricular function, female athletes. Medicine & Science in Sports & Exercise
  Academic article
• Slørdahl, Stig Arild; Bjærum, Steinar; Amundsen, Brage; Støylen, Asbjørn; Heimdal, Andreas; Torp, Hans. (2001) High frame rate strain rate imaging of the ventricular septum in healthy subjects. European Journal of Ultrasound
  Academic article
• Støylen, Asbjørn. (2001) Zabalgoitia M, Berning J, Koren MJ, Stoylen A, Nieminen MS, Dahlof B, Devereux RB; The LIFE Study Investigators. Impact of coronary artery disease on left ventricular systolic function and geometry in hypertensive patients with left ventricular hypertrophy (the LIFE study). American Journal of Cardiology
  Academic article
• Støylen, Asbjørn; Slørdahl, Stig Arild; Heimdal, Andreas; Skjærpe, Terje. (2001) Strain Rate Imaging in Normal and Reduced Diastolic Function: Comparison with Pulsed Doppler Tissue Imaging of the Mitral Annulus. Journal of the American Society of Echocardiography
  Academic article

2000

• Rabben, S; Torp, Anders Herman; Støylen, Asbjørn; Slørdahl, Stig Arild; Bjørnstad, Knut; Haugen, Bjørn Olav; Angelsen, Bjørn Atle J.. (2000) Semiautomatic contour detection in ultrasound M-mode images. Ultrasound in Medicine and Biology
  Academic article

1999

• Støylen, Asbjørn; Heimdal, Andreas; Bjørnstad, Knut; Torp, Hans; Skjærpe, Terje. (1999) Strain rate imaging by ultrasound in the diagnosis of regional dysfunction of the left ventricle. Echocardiography
  Academic article

1998

• Remme, Espen; Sørhus, Vidar; Rabben, S; Støylen, Asbjørn; Angelsen, Bjørn Atle J.. (1998) Comparison of estimated central aortic blood pressure from carotid Pulse curves obtained by arterial tonometry and volume distension recordings. Journal of Cardiovascular Diagnosis and Procedures
  Academic article
• Heimdal, Andreas; Støylen, Asbjørn; Torp, Hans; Skjærpe, Terje. (1998) Real-Time Strain Rate Imaging of the Left Ventricle by Ultrasound. Journal of the American Society of Echocardiography
  Academic article

1988

• Rosenvinge, Jan H; Støylen, Asbjørn. (1988) The theory of logical types – a cul-de-sac in communication theory. Nordic Journal of Psychiatry
  Academic article

1985

• Rosenvinge, Jan H; Støylen, Asbjørn. (1985) Recursive messages in quantitative communication. Scandinavian Journal of Psychology
  Academic article

1984

• Rosenvinge, Jan H; Støylen, Asbjørn. (1984) Finnes det vanskelige pasienter? Lege-pasientforholdet i kommunikasjonsteoretisk perspektiv. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article