Blar i NTNU Open på forfatter "Grenne, Bjørnar Leangen"
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Automated estimation of mitral annular plane systolic excursion by artificial intelligence from 3D ultrasound recordings
Tasken, Anders Austlid; Berg, Erik Andreas Rye; Grenne, Bjørnar Leangen; Holte, Espen; Dalen, Håvard; Stølen, Stian Bergseng; Lindseth, Frank; Aakhus, Svend; Kiss, Gabriel Hanssen (Peer reviewed; Journal article, 2023)Perioperative monitoring of cardiac function is beneficial for early detection of cardiovascular complications. The standard of care for cardiac monitoring performed by trained cardiologists and anesthesiologists involves ... -
Automatic assessment of left ventricular function for hemodynamic monitoring using artificial intelligence and transesophageal echocardiography
Yu, Jinyang; Tasken, Anders Austlid; Flade, Hans Martin; Skogvoll, Eirik; Berg, Erik Andreas Rye; Grenne, Bjørnar Leangen; Rimehaug, Audun Eskeland; Kirkeby-Garstad, Idar; Aakhus, Svend (Peer reviewed; Journal article, 2024)We have developed a method to automatically assess LV function by measuring mitral annular plane systolic excursion (MAPSE) using artificial intelligence and transesophageal echocardiography (autoMAPSE). Our aim was to ... -
Automatic measurements of left ventricular volumes and ejection fraction by artificial intelligence: clinical validation in real time and large databases
Olaisen, Sindre Hellum; Smistad, Erik; Espeland, Torvald; Hu, Jieyu; Pasdeloup, David Francis Pierre; Østvik, Andreas; Aakhus, Svend; Rösner, Assami; Malm, Siri; Stylidis, Michael; Holte, Espen; Grenne, Bjørnar Leangen; Løvstakken, Lasse; Dalen, Håvard (Peer reviewed; Journal article, 2023)Aims Echocardiography is a cornerstone in cardiac imaging, and left ventricular (LV) ejection fraction (EF) is a key parameter for patient management. Recent advances in artificial intelligence (AI) have enabled fully ... -
Comparing the consenting and non-consenting populations in BIOMAK
Blomstrøm, Pernille (Master thesis, 2024)BIOMAK-studien er en prospektiv studie av diagnostisk nøyaktighet av hjertespesifikk troponin I, målt med forskjellige metoder og sammenlignet med diagnostikk basert på troponin T. Ikke-respondenter er et kjent problem i ... -
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 ... -
Echocardiographic Reference Ranges of Global Longitudinal Strain for All Cardiac Chambers Using Guideline-Directed Dedicated Views
Nyberg, John; Jakobsen, Even Olav; Østvik, Andreas; Holte, Espen; Stølen, Stian; Løvstakken, Lasse; Grenne, Bjørnar Leangen; Dalen, Håvard (Peer reviewed; Journal article, 2023)Background Myocardial deformation by echocardiographic strain imaging is a key measurement in cardiology, providing valuable diagnostic and prognostic information. Reference ranges for strain should be established from ... -
Five-year outcomes of mitral valve repair for leaflet prolapse at a medium-sized Norwegian university hospital
Kavlie, Trym Løvseth (Master thesis, 2024)Mål: Å evaluere pasientkarekteristika og 5-års utfall etter kirurgisk mitralplastikk for mitralklaffprolaps ved en mellomstor hjertekirurgisk avdeling. Bakgrunn: Det er begrenset data om utfall etter mitralplastikk ved ... -
Fully automatic estimation of global left ventricular systolic function using deep learning in transesophageal echocardiography
Berg, Erik Andreas Rye; Tasken, Anders Austlid; Nordal, Trym; Grenne, Bjørnar Leangen; Espeland, Torvald; Garstad, Idar Kirkeby; Dalen, Håvard; Holte, Espen; Stølen, Stian Bergseng; Aakhus, Svend; Kiss, Gabriel Hanssen (Journal article, 2023)Aims To improve monitoring of cardiac function during major surgery and intensive care, we have developed a method for fully automatic estimation of mitral annular plane systolic excursion (auto-MAPSE) using deep learning ... -
Fully digital self-screening for atrial fibrillation with patch electrocardiogram
Sandberg, Edvard Liljedahl; Halvorsen, Sigrun; Berge, Trygve; Grimsmo, Jostein; Atar, Dan; Fensli, Rune Werner; Grenne, Bjørnar Leangen; Jortveit, Jarle (Peer reviewed; Journal article, 2023)Aims Atrial fibrillation (AF) is the most common arrhythmia worldwide. The AF is associated with severe mortality, morbidity, and healthcare costs, and guidelines recommend screening people at risk. However, screening ... -
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 ... -
Pasienter med diskrepante resultater for hjertespesifikk troponin (cTn)
Lyså, Hanna; Bruun, Hanna Nilsen (Master thesis, 2024)Bakgrunn Hjertespesifikke troponiner er deler av kontraktilapparatet i myocytter. Grunnet den spesifikke tilstedeværelsen i myokard, samt utslipp ved skade på myocyttene, er hjertespesifikke troponiner gode biomarkører ... -
Pasienter med diskrepante resultater for hjertespesifikk troponin (cTn)
Lyså, Hanna; Bruun, Hanna Nilsen (Master thesis, 2024)Bakgrunn Hjertespesifikke troponiner er deler av kontraktilapparatet i myocytter. Grunnet den spesifikke tilstedeværelsen i myokard, samt utslipp ved skade på myocyttene, er hjertespesifikke troponiner gode biomarkører ...