Search Results - "Urheim, Stig"

Influence of Annular Dynamics and Material Behavior in Finite Element Analysis of Barlow’s Mitral Valve Disease by Aguilera, Hans Martin, Urheim, Stig, Skallerud, Bjørn, Prot, Victorien

“…Barlow’s disease affects the entire mitral valve apparatus, by altering several of the fundamental mechanisms in the mitral valve which ensures unidirectional…”
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Quantified planar collagen distribution in healthy and degenerative mitral valve: biomechanical and clinical implications by Sadeghinia, Mohammad Javad, Persson, Robert Matongo, Ellensen, Vegard Skalstad, Haaverstad, Rune, Holzapfel, Gerhard A., Skallerud, Bjørn, Prot, Victorien, Urheim, Stig

“…Degenerative mitral valve disease is a common valvular disease with two arguably distinct phenotypes: fibroelastic deficiency and Barlow’s disease. These…”
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Exercise-Induced Cardiac Troponin I Elevation Is Associated With Regional Alterations in Left Ventricular Strain in High-Troponin Responders by Erevik, Christine Bjørkvik, Kleiven, Øyunn, Frøysa, Vidar, Bjørkavoll-Bergseth, Magnus, Chivulescu, Monica, Klæboe, Lars Gunnar, Dejgaard, Lars, Auestad, Bjørn, Skadberg, Øyvind, Melberg, Tor, Urheim, Stig, Haugaa, Kristina, Edvardsen, Thor, Ørn, Stein

“…The implications of exercise-induced cardiac troponin elevation in healthy individuals are unclear. This study aimed to determine if individuals with a high…”
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Left Ventricular Contraction Pattern in Chronic Aortic Regurgitation and Preserved Ejection Fraction: Simultaneous Stress-Strain Analysis by Three-Dimensional Echocardiography by Broch, Kaspar, MD, PhD, de Marchi, Stefano F., MD, Massey, Richard, MSc, Hisdal, Jonny, PhD, Aakhus, Svend, MD, PhD, Gullestad, Lars, MD, PhD, Urheim, Stig, MD, PhD

“…Background The role of speckle-tracking echocardiography in the assessment of chronic aortic regurgitation (AR) is not established. Load dependency may…”
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Myocardial inefficiency is an early indicator of exercise-induced myocardial fatigue by Erevik, Christine Bjørkvik, Kleiven, Øyunn, Frøysa, Vidar, Bjørkavoll-Bergseth, Magnus, Chivulescu, Monica, Klæboe, Lars Gunnar, Dejgaard, Lars, Auestad, Bjørn, Skadberg, Øyvind, Melberg, Tor, Urheim, Stig, Haugaa, Kristina, Edvardsen, Thor, Ørn, Stein

“…The effect of prolonged, high-intensity endurance exercise on myocardial function is unclear. This study aimed to determine the left ventricular (LV) response…”
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Semi-automated quantification of left ventricular volumes and ejection fraction by real-time three-dimensional echocardiography by Hansegård, Jøger, Urheim, Stig, Lunde, Ketil, Malm, Siri, Rabben, Stein Inge

“…Recent studies have shown that real-time three-dimensional (3D) echocardiography (RT3DE) gives more accurate and reproducible left ventricular (LV) volume and…”
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Mitral annular dynamics are influenced by left ventricular load and contractility in an acute animal model by Persson, Robert Matongo, Aguilera, Hans Martin Dahl, Kvitting, John‐Peder Escobar, Grong, Ketil, Prot, Victorien Emile, Salminen, Pirjo‐Riitta, Svenheim, Bård, Leiknes, Anita, Stangeland, Lodve, Haaverstad, Rune, Urheim, Stig

“…The purpose of this study was to investigate the effects of loading conditions and left ventricular (LV) contractility on mitral annular dynamics. In 10…”
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Regional myocardial systolic function during acute myocardial ischemia assessed by strain Doppler echocardiography by Edvardsen, Thor, Skulstad, Helge, Aakhus, Svend, Urheim, Stig, Ihlen, Halfdan

“…OBJECTIVES We sought to evaluate if echocardiographic strain measurements could detect acute myocardial ischemia, and to compare this new method with…”
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Ventricular Function in Patients With Transposition of the Great Arteries Operated With Arterial Switch by Pettersen, Eirik, MD, Fredriksen, Per-Morten, PT, PhD, Urheim, Stig, MD, PhD, Thaulow, Erik, MD, PhD, Smith, Hans-Jørgen, MD, PhD, Smevik, Bjarne, MD, Smiseth, Otto, MD, PhD, Andersen, Kai, MD, PhD

“…The study aim was to investigate ventricular function at long-term follow-up in patients operated with arterial switch for transposition of the great arteries…”
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Neutral impact on systolic and diastolic cardiac function of 2 years of intensified multi-intervention in type 2 diabetes: The randomized controlled Asker and Bærum Cardiovascular Diabetes (ABCD) study by Ofstad, Anne Pernille, MD, Johansen, Odd Erik, MD, PhD, Gullestad, Lars, MD, PhD, Birkeland, Kåre I., MD, PhD, Orvik, Elsa, RN, Fagerland, Morten W., PhD, Urheim, Stig, MD, PhD, Aakhus, Svend, MD, PhD

“…Background Patients with type 2 diabetes (T2D) are prone to develop preclinical myocardial dysfunction, but no single strategy to prevent progression to heart…”
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Delayed onset of subendocardial diastolic thinning at rest identifies hypoperfused myocardium by JIANWEN WANG, ABRAHAM, Theodore P, KORINEK, Josef, URHEIM, Stig, MCMAHON, Eileen M, BELOHLAVEK, Marek

“…Onset of myocardial relaxation is highly energy dependent. Perfusion and therefore energy substrate delivery are predominantly reduced in the subendocardial…”
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Myocardial strain imaging: how useful is it in clinical decision making? by Smiseth, Otto A, Torp, Hans, Opdahl, Anders, Haugaa, Kristina H, Urheim, Stig

“…Myocardial strain is a principle for quantification of left ventricular (LV) function which is now feasible with speckle-tracking echocardiography. The best…”
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Post-systolic shortening in the context of peri-myocarditis: two clinical imaging vignettes by Khan, Umael, Urheim, Stig, Saeed, Sahrai

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Postsystolic shortening of ischemic myocardium: a mechanism of abnormal intraventricular filling by Urheim, Stig, Edvardsen, Thor, Steine, Kjetil, Skulstad, Helge, Lyseggen, Erik, Rodevand, Olaf, Smiseth, Otto A

“…Acute myocardial ischemia has been associated with abnormal filling patterns in the left ventricular (LV) apex. We hypothesized that this may in part be due to…”
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Analysis of postsystolic myocardial thickening work in selective myocardial layers during progressive myocardial ischemia by Wang, Jianwen, Urheim, Stig, Korinek, Josef, Abraham, Theodore P, McMahon, Eileen M, Belohlavek, Marek

“…Myocardial function is transmurally heterogeneous. Postsystolic work may functionally reflect ischemic but viable myocardium. We calculated systolic and…”
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Grading of Myocardial Dysfunction by Tissue Doppler Echocardiography by Skulstad, Helge, Urheim, Stig, Edvardsen, Thor, Andersen, Kai, Lyseggen, Erik, Vartdal, Trond, Ihlen, Halfdan, Smiseth, Otto A.

“…Grading of Myocardial Dysfunction by Tissue Doppler Echocardiography: A Comparison Between Velocity, Displacement, and Strain Imaging in Acute Ischemia Helge…”
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Echocardiographic assessment in infective endocarditis: Transthoracic or transesophageal echocardiography, or both?: Echocardiography in endocarditis by Dingen, Håvard, Urheim, Stig, Jordal, Stina, Saeed, Sahrai

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Echocardiographic assessment in infective endocarditis: Transthoracic or transesophageal echocardiography, or both? by Dingen, Håvard, Urheim, Stig, Jordal, Stina, Saeed, Sahrai

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Finite element analysis of mitral valve annuloplasty in Barlow’s disease by Aguilera, Hans Martin, Urheim, Stig, Persson, Robert Matongo, Haaverstad, Rune, Skallerud, Bjørn, Prot, Victorien

“…Barlow’s Disease affects the entire mitral valve apparatus causing mitral regurgitation. Standard annuloplasty procedures lead to an average of 55% annular…”
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Post systolic shortening in the context of perimyocarditis: Two clinical imaging vignettes by Khan, Umael, Urheim, Stig, Saeed, Sahrai

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