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Stig Urheim's picture

Stig Urheim

Associate Professor
  • E-mailStig.Urheim@uib.no
  • Visitor Address
    Haukeland universitetssykehus, Laboratoriebygget
  • Postal Address
    Postboks 7804
    5020 Bergen
Academic article
  • 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.
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) 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) 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) 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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