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Stig Urheim

Associate Professor
  • E-mailstig.urheim@uib.no
  • Visitor Address
    Haukeland universitetssykehus, Laboratoriebygget
    5009 Bergen
  • Postal Address
    Postboks 7804
    5020 Bergen
Academic article
  • Show author(s) (2023). Post-systolic shortening in the context of peri-myocarditis: two clinical imaging vignettes. European Heart Journal-Cardiovascular Imaging. e294.
  • Show author(s) (2023). Myocardial inefficiency is an early indicator of exercise-induced myocardial fatigue. Frontiers in Cardiovascular Medicine. 1-12.
  • Show author(s) (2023). Mitral annular dynamics are influenced by left ventricular load and contractility in an acute animal model. Physiological Reports.
  • Show author(s) (2023). Mechanical behavior and collagen structure of degenerative mitral valve leaflets and a finite element model of primary mitral regurgitation. Acta Biomaterialia. 269-281.
  • Show author(s) (2023). In silico analysis provides insights for patient-specific annuloplasty in Barlow's disease. JTCVS open. 95-105.
  • Show author(s) (2023). Impact of aortic valve stenosis on myocardial deformation in different left ventricular levels: A three-dimensional speckle tracking echocardiography study. Echocardiography.
  • Show author(s) (2022). Mitral Annular Elasticity Determines Severity of Regurgitation in Barlow's Mitral Valve Disease. Journal of the American Society of Echocardiography. 1037-1046.
  • Show author(s) (2022). Finite element analysis of mitral valve annuloplasty in Barlow's disease. Journal of Biomechanics. 8 pages.
  • Show author(s) (2022). Comparison of ultrasound vector flow imaging and CFD simulations with PIV measurements of flow in a left ventricular outflow trackt phantom - Implications for clinical use and in silico studies. Computers in Biology and Medicine. 1-13.
  • Show author(s) (2021). Influence of Annular Dynamics and Material Behavior in Finite Element Analysis of Barlow’s Mitral Valve Disease. Journal of elasticity. 163-190.
  • Show author(s) (2021). An unusual cause of prosthetic aortic valve thrombosis detected by multimodality imaging. European Heart Journal-Cardiovascular Imaging.
  • Show author(s) (2020). High-molecular-weight von Willebrand Factor multimer ratio differentiates true-severe from pseudo-severe classical low-flow, low-gradient aortic stenosis. European Heart Journal-Cardiovascular Imaging. 1123-1130.
  • Show author(s) (2019). The effect of chordae tendineae on systolic flow. Computers in Biology and Medicine. 91-100.
  • Show author(s) (2019). Impact of pulmonary hypertension on outcome in patients with moderate or severe tricuspid regurgitation. Open heart. 1-9.
  • Show author(s) (2018). Validation of a holographic display for quantification of mitral annular dynamics by three-dimensional echocardiography. Journal of the American Society of Echocardiography. 1-18.
  • Show author(s) (2017). Semiautomated biventricular segmentation in three-dimensional echocardiography by coupled deformable surfaces. Journal of Medical Imaging. 1-xx.
  • Show author(s) (2017). Left Ventricular Contraction Pattern in Chronic Aortic Regurgitation and Preserved Ejection Fraction: Simultaneous Stress-Strain Analysis by Three-Dimensional Echocardiography. Journal of the American Society of Echocardiography. 422-430.e2.
  • Show author(s) (2017). Evaluation of a multi-view autostereoscopic real-time 3D ultrasound system for minimally invasive cardiac surgery guidance. IEEE International Symposium on Biomedical Imaging. 604-607.
  • Show author(s) (2016). Robust spatio-Temporal registration of 4D cardiac ultrasound sequences. Progress in Biomedical Optics and Imaging.
  • Show author(s) (2016). Exercise capacity and peak oxygen consumption in asymptomatic patients with chronic aortic regurgitation. International Journal of Cardiology. 688-692.
  • Show author(s) (2016). Controlled release metoprolol for aortic regurgitation: a randomised clinical trial. Heart. 191-197.
  • Show author(s) (2016). Automated Segmentation of the Right Ventricle in 3D Echocardiography: A Kalman Filter State Estimation Approach. IEEE Transactions on Medical Imaging. 42-51.
  • Show author(s) (2015). Mitral valve analysis using a novel 3D holographic display: a feasibility study of 3D ultrasound data converted to a holographic screen. The International Journal of Cardiovascular Imaging. 323-328.
  • Show author(s) (2015). Mitral valve analysis adding a virtual semi-transparent annulus plane for detection of prolapsing segments. Cardiovascular Ultrasound. 1-9.
  • Show author(s) (2015). Identification of a definite diabetic cardiomyopathy in type 2 diabetes by comprehensive echocardiographic evaluation: A cross-sectional comparison with non-diabetic weight-matched controls. Journal of Diabetes. 779-790.
  • Show author(s) (2014). Quantification of aortic regurgitation using high-pulse repetition frequency three-dimensional colour Doppler. European Heart Journal-Cardiovascular Imaging. 615-622.
  • Show author(s) (2014). 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. American Heart Journal. 280-288.
  • Show author(s) (2014). Automatic measurement of aortic annulus diameter in 3-dimensional transoesophageal echocardiography. BMC Medical Imaging.
  • Show author(s) (2009). Semi-automated quantification of left ventricular volumes and ejection fraction by real-time three-dimensional echocardiography. Cardiovascular Ultrasound.
  • Show author(s) (2009). Long-Term Assessment of Electrocardiographic and Echocardiographic Findings in Norwegian Elite Endurance Athletes. Cardiology. 234-241.
  • Show author(s) (2007). Constrained Active Appearance Models for Segmentation of Triplane Echocardiograms. IEEE Transactions on Medical Imaging. 1391-1400.
  • Show author(s) (2006). Grading of myocardial dysfunction by tissue Doppler echocardiography: a comparison between velocity, displacement, and strain imaging in acute ischemia. JACC. 1672-1682.
  • Show author(s) (2006). Analysis of Postsystolic Myocardial Thickening Work in Selective Myocardial Layers During Progressive Myocardial Ischemia. Journal of the American Society of Echocardiography. 1102-1111.
  • Show author(s) (2005). Relation of tissue displacement and strain to invasively determined right ventricular stroke volume. American Journal of Cardiology. 1173-1178.
  • Show author(s) (2005). Regional myocardial work by strain Doppler echocardiography and LV pressure: a new method for quantifying myocardial function. American Journal of Physiology. Heart and Circulatory Physiology. H2375-H2380.
  • Show author(s) (2005). Myocardial strain analysis in acute coronary occlusion. A tool to assess myocadial viability and reperfusion. Circulation. 3901-3910.
  • Show author(s) (2005). Myocardial Acceleration During Isovolumic Contraction, Relationship to Contractility. Circulation. 1362-1369.
  • Show author(s) (2005). Increased right ventricular afterload induces postsystolic thickening of the ventricular septum in nonischemic hearts. Journal of the American Society of Echocardiography. 839-843.
  • Show author(s) (2005). Direct identification of subendocardial postsystolic thickening by intracardiac M-mode Doppler echocardiography. Echocardiography. 145-147.
  • Show author(s) (2005). Detection of the myocardial boundary in the left ventricle from simultaneously acquired triplane ultrasound images using multi view active appearance motion models. IEEE International Ultrasonics Symposium Proceedings.
  • Show author(s) (2005). Delayed onset of subendocardial diastolic thinning at rest identifies hypoperfused myocardium. Circulation. 2943-2950.
  • Show author(s) (2004). Mechanisms of elevated plasma endothelin-1 in CHF: congestion increases pulmonary synthesis and secretion of endothelin-1. Cardiovascular Research (CVR). 41-50.
  • Show author(s) (2004). An ultrasound-based method for determining pulse wave velocity in fuperficial arteries. Journal of Biomechanics. 1615-1622.
  • Show author(s) (2003). Postsystolic shortening of ischemic myocardium: a mechanism of abnormal intraventricular filling. American Journal of Physiology. Heart and Circulatory Physiology. H2343-50.
  • Show author(s) (2002). Quantification of left ventricular systolic function by tissue Doppler echocardiography: Added value of measuring pre- and postejection velocities in ischimic myocardium. Circulation. 2071-2077.
  • Show author(s) (2002). Quantification of left ventricular diastolic pressure-volume relations during routine cardiac catheterization by two-dimensional digital echo quantification and left ventricula micromanometer. Journal of the American Society of Echocardiography. 225-232.
  • Show author(s) (2002). Postsystolic shortening in ischemic myocardium:active contraction or passive recoil? Circulation. 718-724.
  • Show author(s) (2000). Relative timing of myocardial and transmitral early filling velocities - a non-invasive marker of LV restoring forces. European Heart Journal. 538.
  • Show author(s) (2000). Myocardial strain by Doppler echocardiography. Validation of a new method to quantify regional mayocardial function. Circulation. 1158-1164.
Academic lecture
  • Show author(s) (2019). Beslutningsstøtte for behandlingsplanlegging av hjertesykdom basert på pasient-spesifikke strømningssimulering i hjertet.
  • Show author(s) (2018). On Pragmatism in Industrial Modelling Part VI: Management, Retrieval and Analysis of CFD Cases.
  • Show author(s) (2005). Detection of the myocardial boundary in the left ventricle from simultaneously acquired triplane ultrasound images using multi view active appearance motion models.
  • Show author(s) (2004). Echocardiographic Markers of Myocardial Viability and Reperfusion - Combined Assessment of Segmental Lengthening/Shortening Ratio and Regional Compliance by Strain Doppler Echocardiography.
  • Show author(s) (2004). Echocardiographic Markers of Myocardial Viability and Reperfusion - Combined Assessment of Segmental Lengthening/Shortening Ratio and Regional Compliance by Strain Doppler Echocardiography.
  • Show author(s) (2003). Regulation of endothelin-1 in heart failure: Pulmonary congetion increases plasma ET-1 levels by augmentin regional tissue ECE-1 activity.
  • Show author(s) (2003). Regulation of emdothelin-1 in heart failure: Pulmonary congestion increases plasma ET-1 levels by augmentin regional tissue ECE-1 activity.
  • Show author(s) (2003). Regulation of Endothelin-1 in Heart Failure: Pulmonary Congestion Increases Plasma ET-1 Levels by Augmenting Regional Tissue ECE-1 Activity.
  • Show author(s) (2003). Regulation of ET-1 in heart failure: Pulmonary congestion increase plasma ET-1 levels by up-regulation of regional tissue ECE-1 activity.
  • Show author(s) (2003). Regulation of ET-1 in Heart Failure: Pulmonary Congestion Increases Plasma ET-1 Levels by Up-Regulation of Regional Tissue ECE-1 Activity.
  • Show author(s) (2003). Molecular mechanisms of increased plasma endothelin-1 levels in congestive heart failure.
  • Show author(s) (2003). Molecular basis of increased plasma endothelin-1 levels in congestive heart failure.
  • Show author(s) (2003). Molecular Mechanisms of Increased Plasma Endothelin-1 Levels in Congestive Heart Failure.
  • Show author(s) (2003). Molecular Basis of Increased Plasma Endothelin-1 Levels in Congestive Heart Failure.
  • Show author(s) (2002). Tissue Doppler Echocardiography and strain Doppler echocardiography: a head-to-head comparision in moderate and severe ischemia.
  • Show author(s) (2002). Regional myocardial work index by strain Doppler echocardiography and left ventricular pressure - a new method for quantifying myocardial function.
  • Show author(s) (2002). Myocardial elasticity by Strain Doppler Echocardiography - a method to identify viable myocardium.
  • Show author(s) (2002). Myocardial acceleration during isovolumic contraction - is it really a sensitive index of myocardial function?
  • Show author(s) (2002). Mechanisms of post-ejection shortening in ischemic myocardium: an answer by regional pressure-segment length analysis.
  • Show author(s) (2002). Identification of dyskinetic myocardium by Doppler tissue imaging - the importance of isovolumic phase analysis.
  • Show author(s) (2002). An ultrasound-based method for determining pulse-wave velocity in the carotid artery.
  • Show author(s) (2001). Validation of stranin Doppler echocardiography.
  • Show author(s) (2001). Urheim, S. Validation of stranin Doppler echocardiography.
  • Show author(s) (2001). Studies of ventricular fluid-wall interactions by combined imaging of myocardial strain and intraventricular flow. Mini-symposium: Myocardial tissue Doppler and strain echocardiography. How to improve the techniques.
  • Show author(s) (2001). Studies of ventricular fluid wall interactions by combined imaging of myocardial strain and intraventricular flow.
  • Show author(s) (2001). Regional levels of plasma endothelin:Important roles of the pulmonary and splanchnic circulations in the secretions and clearance of ET-1 during the development of heart failure.
  • Show author(s) (2001). Quantifications of left ventricular diastolic pressure-volume relations during routine catherization by two-dimensional digital echo quanticication and LV micromanometer.
  • Show author(s) (2001). Marked non-uniformity in myocardial strain rate and strain by Doppler echocardiography in pacing-induced heart failure.
  • Show author(s) (2001). Assessment of regional myocardial function by combined color flow imaging and strain Doppler echocardiography.
  • Show author(s) (2001). Assessment of regional caontractile function by Doppler-derived strain.
  • Show author(s) (2001). Afterload depedency of contraction patterns in ischaemic myocardial - consequences for assessment of myocardial viability by strain Doppler echocardiography.
  • Show author(s) (2000). Regional levels of plasma endothelin: Important roles of the pulmonary and splanchnic circulations in the secretion and clearance of plasma ET-1 during the development of heart failure.
  • Show author(s) (1999). Relative timing of myocardial and transmitral early filling velocities - a non-invasive marker of LV restoring forces.
  • Show author(s) (1999). Doppler tissue imaging expresses non-uniformity of left ventricular diastolic function during regional ischemia.
  • Show author(s) (1998). Reversal of intraventricular flow during isovolumic relaxation - a marker of anterior myocardial ischemia.
  • Show author(s) (1997). Reversal of intraventricular flow during isovolumic relaxation - A marker of anterior myocardial ischaemia.
  • Show author(s) (1997). Intraventrikulær diastolisk shunting ved akutt myokardischemi.
  • Show author(s) (1997). Intraventricular diastolic shunting during acute myocardial ischemia.
Editorial
  • Show author(s) (2023). Pulmonary hypertension in significant aortic valve disease: a dive into real-world data. Heart.
Doctoral dissertation
  • Show author(s) (2005). Quantification of myocardial function by Doppler echocardiography.
Academic chapter/article/Conference paper
  • Show author(s) (2019). Finite Element Analysis of a Barlow Mitral Valve: Patient Specific Geometry and Comparison With Three-Dimensional Echocardiographic Data. 24 pages.
  • Show author(s) (2017). Velocity profiles in a 2D model of the left ventricular outflow tract, pathological case study using PIV and CFD modeling. 7 pages.
Abstract
  • Show author(s) (2022). Mitral annulus strain by 3D echo reveals regional annular dysfunction in Barlow's disease. European Heart Journal. 1 pages.
  • Show author(s) (2020). Is combined use of Impella® and VA-ECMO better than VA-ECMO alonein refractory cardiogenic shock? Perfusion.
  • Show author(s) (2013). Left ventricular contraction pattern in asymptomatic patients with moderate to severe aortic regurgitation. European Heart Journal. 120-120.
  • Show author(s) (2013). Impaired left ventricular diastolic function and increased systolic contractions in type 2 diabetes compared to healthy controls: a case-control study. Diabetologia. S537-S537.
  • Show author(s) (2012). Area strain for the assessment of regional left ventricular wall thickening using 3D Speckle Tracking. European Heart Journal. 723-723.
Poster
  • Show author(s) (2022). Mitral annulus strain by 3D echo reveals regional annular dysfunction in Barlow's disease.
  • Show author(s) (2003). The ratio between systolic lengthening and postsystolic shortening: a marker of myocardial viability.
  • Show author(s) (1999). Regional diastolisk funksjon under ischemi målt ved vevsdoppler.
  • Show author(s) (1999). Regional diastolic function during ischemia meassured with doppler tissue imaging.
  • Show author(s) (1997). Intraventrikulær diastolisk shunting ved akutt myokardischemi.
Academic literature review
  • Show author(s) (2023). Echocardiography Assessment of Rheumatic Heart Disease: Implications for Percutaneous Balloon Mitral Valvuloplasty. Current problems in cardiology.
  • Show author(s) (2023). Echocardiographic assessment in infective endocarditis: Transthoracic or transesophageal echocardiography, or both?: Echocardiography in endocarditis. Current problems in cardiology.
  • Show author(s) (2023). Correlation between Murmurs and Echocardiographic Findings; From an Imaging Cardiologist Point of View. Current problems in cardiology.
  • Show author(s) (2016). Myocardial strain imaging: How useful is it in clinical decision making? European Heart Journal. 1196-1207b.
  • Show author(s) (2012). Tredimensjonal ultralydundersøkelse i kardiologisk diagnostikk. Tidsskrift for Den norske legeforening. 2171-2174.

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