• Artificial Intelligence for Automatic Measurement of Left Ventricular Strain in Echocardiography 

      Salte, Ivar M.; Østvik, Andreas; Smistad, Erik; Melichova, Daniela; Nguyen, Thuy Mi; Karlsen, Sigve; Brunvand, Harald; Haugaa, Kristina H.; Edvardsen, Thor; Løvstakken, Lasse; Grenne, Bjørnar (Journal article; Peer reviewed, 2021)
      Objectives This study sought to examine if fully automated measurements of global longitudinal strain (GLS) using a novel motion estimation technology based on deep learning and artificial intelligence (AI) are feasible ...
    • Criteria for surveys: from the European Association of Cardiovascular Imaging Scientific Initiatives Committee 

      Haugaa, Kristina; Marsan, Nina Ajmone; Cameli, Matteo; D'Andrea, Antonello; Dweck, Mark R.; Carvalho, Ricardo Fontes; Holte, Espen; Manka, Robert; Michalski, Blazej; Podlesnikar, Tomaz; Popescu, Bogdan A.; Schulz-Menger, Jeanette; Sitges, Marta; Stankovic, Ivan; Maurer, Gerald; Edvardsen, Thor (Journal article; Peer reviewed, 2019)
      The European Association of Cardiovascular Imaging (EACVI) is committed to maintaining the highest standards of professional excellence in all aspects of cardiovascular imaging. The mission of the EACVI is to promote ...
    • Deep Learning for Improved Precision and Reproducibility of Left Ventricular Strain in Echocardiography: A Test-Retest Study 

      Salte, Ivar Mjåland; Østvik, Andreas; Olaisen, Sindre Hellum; Karlsen, Sigve; Dahlslett, Thomas; Smistad, Erik; Eriksen-Volnes, Torfinn Kirknes; Brunvand, Harald; Haugaa, Kristina Ingrid Helena Hermann; Edvardsen, Thor; Dalen, Håvard; Løvstakken, Lasse; Grenne, Bjørnar Leangen (Peer reviewed; Journal article, 2023)
      Aims Assessment of left ventricular (LV) function by echocardiography is hampered by modest test-retest reproducibility. A novel artificial intelligence (AI) method based on deep learning provides fully automated ...
    • Increased deformation of the left ventricle during exercise test measured by global longitudinal strain can rule out significant coronary artery disease in patients with suspected unstable angina pectoris 

      Karlsen, Sigve; Melichova, Daniela; Dahlslett, Thomas; Grenne, Bjørnar; Sjøli, Benthe; Smiseth, Otto A.; Edvardsen, Thor; Brunvand, Harald (Peer reviewed; Journal article, 2022)
      Background Noninvasive identification of significant coronary artery disease (CAD) in patients with unstable angina pectoris (UAP) is challenging. Exercise stress testing has been used for years in patients with suspected ...
    • Mortality in Patients with Acute Coronary Syndrome—A Prospective 5-Year Follow-Up Study 

      Nguyen, Thuy Mi; Melichova, Daniela; Aabel, Eivind Westrum; Lie, Øyvind Haugen; Klæboe, Lars Gunnar; Grenne, Bjørnar Leangen; Sjøli, Benthe; Brunvand, Harald; Haugaa, Kristina Ingrid Helena Hermann; Edvardsen, Thor (Peer reviewed; Journal article, 2023)
      Our objective was to compare long-term outcomes in patients with non-ST-elevation myocardial infarction (NSTEMI) and ST-elevation myocardial infarction (STEMI) between two time periods in Southern Norway. There are limited ...
    • Myocardial Function Imaging in Echocardiography Using Deep Learning 

      Østvik, Andreas; Salte, Ivar Mjåland; Smistad, Erik; Nguyen, Thuy Mi; Melichova, Daniela; Brunvand, Harald; Haugaa, Kristina; Edvardsen, Thor; Grenne, Bjørnar; Løvstakken, Lasse (Journal article; Peer reviewed, 2021)
      Deformation imaging in echocardiography has been shown to have better diagnostic and prognostic value than conventional anatomical measures such as ejection fraction. However, despite clinical availability and demonstrated ...
    • Prognostic value of circulating microRNA-210 levels in patients with moderate to severe aortic stenosis 

      Røsjø, Helge; Dahl, Mai Britt; Bye, Anja; Andreassen, Johanna; Jørgensen, Marit; Wisløff, Ulrik; Christensen, Geir Arve; Edvardsen, Thor; Omland, Torbjørn (Journal article; Peer reviewed, 2014)
      Background: Circulating micro-RNAs have been proposed as a novel class of cardiovascular (CV) biomarkers, but whether they meet analytical requirements and provide additional information to establish risk indices have ...
    • Real-Time Automatic Ejection Fraction and Foreshortening Detection Using Deep Learning 

      Smistad, Erik; Salte, Ivar Mjåland; Østvik, Andreas; Melichova, Daniela; Nguyen, Thuy Mi; Haugaa, Kristina; Brunvand, Harald; Edvardsen, Thor; Leclerc, Sarah; Bernard, Olivier; Grenne, Bjørnar; Løvstakken, Lasse (Peer reviewed; Journal article, 2020)
      Volume and ejection fraction (EF) measurements of the left ventricle (LV) in 2-D echocardiography are associated with a high uncertainty not only due to interobserver variability of the manual measurement, but also due to ...
    • Treatment of sleep apnea in patients with paroxysmal atrial fibrillation: design and rationale of a randomized controlled trial 

      Traaen, Gunn Marit; Aakerøy, Lars; Hunt, Tove Elisabeth F.; Øverland, Britt; Lyseggen, Erik; Aukrust, Pål; Ueland, Thor; Helle-Valle, Thomas Michael; Steinshamn, Sigurd Loe; Edvardsen, Thor; Zare, Hasse Khiabani; Aakhus, Svend; Akre, Harriet; Anfinsen, Ole-Gunnar; Loennechen, Jan Pål; Gullestad, Lars (Journal article; Peer reviewed, 2018)
      Rationale. Atrial fibrillation is associated with increased mortality as well as morbidity. There is strong evidence for an association between atrial fibrillation and sleep apnea. It is not known whether treatment of sleep ...
    • The use of handheld ultrasound devices: a position statement of the European Association of Cardiovascular Imaging (2018 update) 

      Cardim, Nuno; Dalen, Håvard; Voigt, Jens-Uwe; Ionescu, Adrian; Price, Susanna; Neskovic, Aleksandar N; Edvardsen, Thor; Galderisi, Maurizio; Sicari, Rosa; Donal, Erwan; Stefanidis, Alexandros; Delgado, Victoria; Zamorano, Jose; Popescu, Bogdan (Journal article, 2019)
      Recent technological advances in echocardiography, with progressive miniaturization of ultrasound machines, have led to the development of handheld ultrasound devices (HUD). These devices, no larger than some mobile phones, ...