- E-postknut.matre@uib.no
- BesøksadresseHaukeland universitetssykehus, Laboratoriebygget5009 Bergen
- PostadressePostboks 78045020 Bergen
Ultralydmetoder i medisin
Hjertekontraksjon
Akustiske fantomer
Underviser ultralydmetoder for studenter i:
medisin
fysikk
legers videre- og etterutdanning
Lærebok
- (2009). Innføring i abdominal ultrasonografi. Fagbokforlaget.
Vitenskapelig artikkel
- (2023). Impact of aortic valve stenosis on myocardial deformation in different left ventricular levels: A three-dimensional speckle tracking echocardiography study. Echocardiography.
- (2022). Markers of Subclinical Atherosclerosis in Severe Obesity and One Year after Bariatric Surgery. Journal of Clinical Medicine.
- (2021). The influence of region of interest width in fetal 2D-speckle tracking echocardiography late in pregnancy. The International Journal of Cardiovascular Imaging.
- (2021). Speckle tracking derived strain in neonates: planes, layers and drift. The International Journal of Cardiovascular Imaging. 1-13.
- (2021). One-year impact of bariatric surgery on left ventricular mechanics: results from the prospective FatWest study. European Heart Journal Open (EHJ Open).
- (2021). Impact of arterio-ventricular interaction on first-phase ejection fraction in aortic stenosis. European Heart Journal-Cardiovascular Imaging. 1-8.
- (2021). Effect of temporal and spatial smoothing on speckle–tracking-derived strain in neonates. Pediatric Cardiology. 743-752.
- (2020). Left ventricular myocardial oxygen demand and subclinical dysfunction in patients with severe obesity referred for bariatric surgery. NMCD. Nutrition Metabolism and Cardiovascular Diseases. 1-9.
- (2020). Covariables of myocardial function in women and men with increased body mass index. High Blood Pressure & Cardiovascular Prevention. 1-8.
- (2019). Left ventricular myocardial dysfunction in young and middle-aged ischemic stroke patients: the Norwegian stroke in the young study. Journal of Hypertension. 538-545.
- (2019). Left ventricular dysfunction after two hours of polarizing or depolarizing cardioplegic arrest in a porcine model. Perfusion. 67-75.
- (2019). Effect of fitness on cardiac structure and function in overweight and obesity (the FATCOR study). NMCD. Nutrition Metabolism and Cardiovascular Diseases. 710-717.
- (2019). A left ventricular phantom for 3D echocardiographic twist measurements. Biomedizinische Technik.
- (2018). Left Ventricular Systolic Myocardial Function in Ankylosing Spondylitis . Arthritis care & research. 1276-1283.
- (2017). Myocardial energy metabolism and ultrastructure with polarizing and depolarizing cardioplegia in a porcine model . European Journal of Cardio-Thoracic Surgery. 180-188.
- (2017). Measured acoustic intensities for clinical diagnostic ultrasound transducers and correlation with thermal index. Ultrasound in Obstetrics and Gynecology. 236-241.
- (2016). The influence of acute unloading on left ventricular strain and strain rate by speckle tracking echocardiography in a porcine model. American Journal of Physiology. Heart and Circulatory Physiology. H1330-H1339.
- (2016). Optimal acquisition settings for speckle tracking echocardiography-derived strains in infants: An in vitro study. Ultrasound in Medicine and Biology. 1660-1670.
- (2016). Myocardial function after polarizing versus depolarizing cardiac arrest with blood cardioplegia in a porcine model of cardiopulmonary bypass. European Journal of Cardio-Thoracic Surgery. 130-139.
- (2016). Measured acoustic intensities for clinical diagnostic ultrasound transducers and correlation with thermal index. Ultrasound in Obstetrics and Gynecology. 236-241.
- (2016). Disease activity is associated with reduced left ventricular systolic myocardial function in patients with rheumatoid arthritis. Annals of the Rheumatic Diseases. 371-376.
- (2016). Carvedilol-enriched cold oxygenated blood cardioplegia improves left ventricular diastolic function after weaning from cardiopulmonary bypass. Journal of Cardiothoracic and Vascular Anesthesia. 859-868.
- (2015). Myocardial function in aortic stenosis - insights from radial multilayer Doppler strain. Cardiovascular Ultrasound. 8 sider.
- (2015). Intracoronary insulin administered at reperfusion in a porcine model of acute coronary syndrome. European Heart Journal: Acute Cardiovascular Care. 230-240.
- (2015). Esmolol added in repeated, cold, oxygenated blood cardioplegia improves myocardial function after cardiopulmonary bypass. Journal of Cardiothoracic and Vascular Anesthesia. 684-693.
- (2014). Reperfusion therapy with low-dose insulin or insulin-like growth factor 2; myocardial function and infarct size in a porcine model of ischaemia and reperfusion. Basic & Clinical Pharmacology & Toxicology. 438-447.
- (2014). Effect of microbubble contrast on intracranial blood flow velocity assessed by transcranial Doppler. Journal of Ultrasound. 21-26.
- (2013). The effects of reducing the thermal index for bone from 1.0 to 0.5 and 0.1 on common obstetric pulsed wave Doppler measurements in the second half of pregnancy. Acta Obstetricia et Gynecologica Scandinavica. 790-796.
- (2013). The effect of ultrasound output level on obstetric biometric measurements. Ultrasound in Medicine and Biology. 37-43.
- (2013). Multi-layer radial systolic strain vs. one-layer strain for confirming reperfusion from a significant non-occlusive coronary stenosis. European Heart Journal-Cardiovascular Imaging. 24-37.
- (2013). Is strain by Speckle Tracking Echocardiography dependent on user controlled spatial and temporal smoothing? An experimental porcine study. Cardiovascular Ultrasound. 14 sider.
- (2013). Accuracy of real-time single- and multi-beat 3-D speckle tracking echocardiography in vitro. Ultrasound in Medicine and Biology. 1006-1014.
- (2012). Ultrasound safety in early pregnancy: reduced energy setting does not compromise obstetric Doppler measurements. Ultrasound in Obstetrics and Gynecology. 438-443.
- (2012). Rome III subgroups of functional dyspepsia exhibit different characteristics of antral contractions measured by strain rate imaging. Ultraschall in der Medizin. 233-240.
- (2011). Left ventricular strain, rotation, and torsion as markers of acute myocardial ischemia. American Journal of Physiology. Heart and Circulatory Physiology. H2142-H2154.
- (2011). Antiapoptotic Intervention in Repeated Blood Cardioplegia: A Porcine Study of Myocardial Function. Annals of Thoracic Surgery. 784-792.
- (2010). Radial deformation by tissue Doppler imaging in multiple myocardial layers. Scandinavian Cardiovascular Journal. 82-91.
- (2010). Myocardial deformation in aortic valve stenosis – relation to left ventricular geometry. Heart. 106-112.
- (2009). Strain measurement during antral contractions by ultrasound strain rate imaging: influence of erythromycin. Neurogastroenterology and Motility. 170-179.
- (2009). Quantification of Valvular Regurgitation Area and Geometry Using HPRF 3-D Doppler. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 975-982.
- (2009). Multidose cold oxygenated blood is superior to a single dose of bretschneider HTK-cardioplegia in the pig. Annals of Thoracic Surgery. 1205-1213.
- (2008). Freehand real-time elastography: Impact of scanning parameters on image quality and In Vitro intra- and interobserver validations. Ultrasound in Medicine and Biology. 1638-1650.
- (2008). Esmolol before 80 min of cardiac arrest with oxygenated cold blood cardioplegia alleviates systolic dysfunction. An experimental study in pigs. European Journal of Cardio-Thoracic Surgery. 9-17.
- (2008). Crohn's disease: Comparison of in vitro ultrasonographic images and histology. Scandinavian Journal of Gastroenterology. 719-726.
- (2007). Three-dimensional ultrasonography can detect the modulation of kidney volume in two-kidney, one-clip hypertensive rats. Ultrasound in Medicine and Biology. 1882-1888.
- (2007). Multilayer radial systolic strain can identify subendocardial ischemia: An experimental tissue Doppler imaging study of the porcine left ventricular wall. European Heart Journal-Cardiovascular Imaging. 420-430.
- (2006). In vitro strain measurement in the porcine antrum using ultrasound Doppler strain rate imaging. Ultrasound in Medicine and Biology.
- (2006). In vitro strain measurement in the porcine antrum using Doppler strain rate imaging. Ultrasound in Medicine and Biology. 513-522.
- (2006). A multimodal laser Doppler and endosonographic distension device for studying mechanosensation and mucosal blood flow in the oesophagus. Neurogastroenterology and Motility. 243-248.
- (2005). Radial strain gradient across the normal myocardial wall in open-chest pigs measured with Doppler strain rate imaging. Journal of the American Society of Echocardiography. 1066-1073.
- (2005). Assessment of regional timing of left ventricular sytolic longitudinal movement by Doppler tissue synchronization imaging in structurally normal hearts. European Heart Journal-Cardiovascular Imaging. 336-343.
- (2004). Volume estimation of small phantoms and rat kidneys using three-dimensional ultrasonography and a position sensor. Ultrasound in Medicine and Biology. 1109-1117.
- (2004). An anaesthetic protocol in the young domestic pig allowing neuromuscular blockade for studies of cardiac function following cardioplegic arrest and cardiopulmonary bypass. Acta Anaesthesiologica Scandinavica. 1144-1154.
- (2003). The effect of body weight on the degree of blood velocity profile skewness in the aortic annulus in domestic pigs. Laboratory Animals. 72-80.
- (2003). In vitro evaluation of ultrasound Doppler strain rate imaging: modification for measurement in a slowly moving tissue phantom. Ultrasound in Medicine and Biology. 1725-1734.
- (2002). Strain during gastric contractions can be measured using Doppler ultrasonography. Ultrasound in Medicine and Biology. 1457-1465.
- (2002). Release of cardiac troponin I after temporally graded acute coronary ischaemia with electrocardiographic ST depression. International Journal of Cardiology. 243-251.
- (2002). Percutaneous assessment of coronary blood flow and cardiac biomarkers. Ultrasound in Medicine and Biology. 39-48.
- (2002). Mechanical properties in the human gastric antrum using B-mode ultrasonography and antral distension. American Journal of Physiology - Gastrointestinal and Liver Physiology. G368-G375.
- (2002). In vitro agreement between magnetic resonance imaging and intraluminal Doppler ultrasound for high flow velocity measurements. Scandinavian Cardiovascular Journal. 180-186.
- (2002). Determination of plasma volume in anaesthetized piglets using the carbon monoxide (CO) method. Laboratory Animals. 344-350.
- (1999). Velocity distribution in the ascending aorta in pigs during chronotropic and inotropic stimulation. Scandinavian Cardiovascular Journal. 199-205.
- (1999). In vitro volume estimation of kidneys using three-dimensional ultrrasonography and a position sensor. European Journal of Ultrasound. 65-73.
- (1998). Resetting of RBF autoregulation during acute pressure reduction in hypertensive rats. American Journal of Physiology. Regulatory Integrative and Comparative Physiology. 343-349.
- (1998). In vitro evaluation of three-dimensional ultrasonography based on magnetic scanhead tracking. Ultrasound in Medicine and Biology. 1161-1167.
- (1998). Dieulafoy's vascular malformation: role of endoscopic ultrasonography in therapeutic decision-making. Scandinavian Journal of Gastroenterology. 104-108.
- (1998). Dieulafoy's vascular malformation: Role of endoscopic ultrasonography in therapeutic decision-making. Scandinavian Journal of Gastroenterology. 104-108.
- (1998). Dieulafoy's vascular malformation: Role of endoscopic ultrasonography in therapeutic decision-making. Scandinavian Journal of Gastroenterology. 104-108.
- (1997). Effects of velocity distribution. Diameter measurement and velocity tracing on the accuracy of cardiac output measurement by pulsed Doppler echocardiography in the aortic annulus. Ultrasound in Medicine and Biology. 177-185.
- (1997). Effects of velocity distribution, diameter measurement and velocity tracing on the accuracy of cardiac output measurement by pulsed Doppler echocardiography in the aortic annulus. Ultrasound in Medicine and Biology. 177-185.
- (1997). Effect of velocity distribution, diameter measurement and velocity tracing on the accuracy of cardiac output measurement by pulsed Doppler echocardiography in the aortic anulus of pigs. Ultrasound in Medicine and Biology. 177-185.
- (1996). Velocity distribution in the aortic annulus in patients with primary dilated and ischemic cardiomyopathy measured using Doppler ultrasound. European Journal of Ultrasound. 211-221.
- (1996). Three-dimensional cross-sectional velocity distribution in the ascending aorta in cardiac patients. Clinical Physiology. 239-258.
- (1996). Three-dimensional cross-sectional velocity distribution in the ascending aorta in cardiac patients. Clinical Physiology. 239-258.
- (1996). A practical method for estimating enclosed volumes using 3D ultrasound. European Journal of Ultrasound. 83-92.
- (1995). Volume measurements of the antrum by 3D-ultrasonography and flow measurements through the pylorus by duplex technique. Digestive Diseases and Sciences. 97-100.
- (1995). Velocity distribution in the left ventricular outflow tract in patients with aortic stenosis: effect on the measurement of aortic valve area by using continuity equation. European Heart Journal. 383-393.
- (1995). The velocity distribution in the aortic anulus at different times during systole is mainly determined by the pattern of flow convergence in the left ventricular outflow tract: an experimental study using Doppler colour flow mapping. Clinical Physiology. 597-610.
- (1995). Intraluminal recording of cross-sectional blood velocity distribution of human ascending aorta by ultrasound Doppler technique. Medical and Biological Engineering and Computing. 171-177.
- (1995). In vivo comparison of 3D ultrasonography and Magnetic Response Imaging in volume estimation of human kidneys. Ultrasound in Medicine and Biology. 25-32.
- (1994). Volume measurement of gastric antrum by 3-D ultrasonography and flow measurements through the pylorus by duplex technique. Digestive Diseases and Sciences. 97-100.
- (1994). Volume estimation of the gastric antrum and the gallbladder in patients with non-ulcer dyspepsia and erosive prepyloric changes, using three-dimensional ultrasonography. Neurogastroenterology and Motility. 263-270.
- (1994). Myocardial contraction patterns in non-ischaemic and ischaemic regions during acute coronary insufficiency. European Heart Journal. 424-433.
- (1994). Intraluminal recording of cross-sectional blood velocity distribution of human ascending aorta by ultrasound doppler technique. Medical and Biological Engineering and Computing. 171-177.
- (1994). In vitro evaluation of three-dimensional ultrasonography in volume estimation of abdominal organs. (Tilknyttet prosjektet: Pasienter med funksjonell dyspepsi studert v.h.a. 3-dimensjonal ultralyd.). Ultrasound in Medicine and Biology. 157-165.
- (1994). Comparison of transit-time and Doppler ultrasound methods for measurement of flow in aortocoronary bypass grafts during cardiac surgery. The thoracic and cardiovascular surgeon. 170-174.
- (1994). Comparison of transit-time and Doppler ultrasound methods for measurement of flow in aortocoronary bypass grafts during cardiac surgery. The thoracic and cardiovascular surgeon. 170-174.
- (1993). Velocity distribution in the left ventricular outflow tract and the aortic anulus measured with Doppler colour flow mapping in normal subjects. European Heart Journal. 1179-1188.
- (1993). New device shows enlarged antrum in dyspeptic patients. Internat Gastroenterol Observer. 5-6.
- (1992). Untersuchungen der gastroduodenalen Motilität mit Realtime Ultrasonographie. Ultraschall in Klinik und Praxis.
- (1992). Trabsendoskopische Ultraschalldiagnostik bei Läsionen im Oberen Verdauungstrakt im Rahmen der Routineendoskopi. Ultraschall in Klinik und Praxis. 99-103.
- (1992). Effect of mesangiolysis on autoregulation of renal blood flow and glomerular filtration in rats. American Journal of Physiology - Renal, fluid and electrolyte physiology. F361-F366.
- (1992). Coronary artery stenosis provokes nonuniformity of twodimensional deformation in the anterior wall of the feline left ventricle. European Heart Journal. 981-989.
- (1992). Coronary artery stenosis provokes non-uniformity of two-dimensional deformation in the anterior wall of the feline left ventricle. European Heart Journal. 981-989.
- (1992). Antroduodenal motility and movements of luminal contents studied by Duplex-sonography. Gastroenterology. 1583-1590.
- (1990). Gradual reduction of coronary perfusion pressure in cats: changes in transmural distribution of blood flow. Scandinavian Journal of Clinical and Laboratory Investigation. 787-796.
- (1987). Local myocardial function following coronary occlusion in cats. Effect on non-ischaemic regions. Clinical Physiology. 511-523.
Faglig foredrag
- (2018). Left ventricular dysfunction after two hours of polarizing or depolarizing cardioplegic arrest in a porcine model of cardiopulmonary bypass.
Vitenskapelig foredrag
- (2016). Myocardial energy status and ultrastructure with polarizing and depolarizing cardioplegic arrest in a porcine model.
- (2014). Polariserende versus depolariserende kardioplegi med repetert, kaldt oksygenert blod i en eksperimentell dyremodell.
- (2013). Quantitative myocardial perfusion analysis with contrast-enhanced ultrasound bolus tracking - preliminary animal results.
- (2012). Multilayer radial strain analysis can detect successful reperfusion from a significant non-occlusive coronary stenosis. An experimental porcine study.
- (2012). Experimental and clinical measurements of multilayer strain using TDI.
- (2011). Tissue doppler imaging in open-chest pigs before and after pericardiotomy.
- (2011). Multilayer strain can identify reperfusion from coronary stenosis.
- (2011). Left ventricular strain and rotation as markers of acute myocardial ischemia.
- (2011). Esmolol added to cold repeated oxygenated blood cardioplegia may increase cardiac function the first hours after declamping in a swine model.
- (2010). Multilayer radial strain measurements detect reduction in myocardial perfusion before longitudinal, circumferential, radial strain and rotation. An experimental porcine study.
- (2010). Low-grade coronary stenosis is first detected by multilayer strain measurements. An experimental porcine study.
- (2010). Insulin-like growth factor-II in blood cardioplegia enhances myocardial contractility and stimulates anti-apoptotic mechanisms after reperfusion.
- (2009). Insulinlignende vekstfaktor-II i blodkardioplegi øker kontraktilitet av myokard og stimulerer anti-apoptotiske mekanismer etter reperfusjon.
- (2008). Quantification of Valvular Regurgitation Area and Geometry using HPRF 3D Doppler.
- (2005). Muscularis mucosae, fibrosis and nodular lymphocyte aggregates in Crohn's disease - novel ultrasonographic findings in vitro.
- (2001). Percutaneous assessment of coronary blood flow and cardiac markers.
- (2000). A novel method using color Doppler ultrasonography to study relative strain of the muscle layers during antral contractions.
- (2000). A novel method using color Doppler ultrasonography to study relative strain of the muscle layers during antral contractions.
- (1996). Anpassning av TEE proben for stadieindelning av tumører i øvre gastrointestinalkanalen och preliminære resultat av 3D visualisering med multiplanprob.
- (1995). In vitro evaluation of three-dimensional ultrasonography based on magnetic scanhead tracking. Oral presentation.
- (1994). In Vivo Comparison of 3D Ultrasonography and Magnetic Resonance Imaging in Volume Estimation of Abdominal Organs.
- (1994). Evaluering av 3D ultrasonografi in vitro. (Tilknyttet prosjektet: Pasienter med funksjonell dyspepsi studert v.h.a. 3-dimensjonal ultralyd.).
- (1994). 3D ultrasonography compared with magnetic resonance imaging in volume estimation of human kidneys in vivo.
Leder
- (2013). 22nd World Congress on Ultrasound in Obstetrics and Gynecology, 9-13 September 2012, Copenhagen, Denmark: presentations and awards. Ultrasound in Obstetrics and Gynecology. 114-120.
Fagbok
- (2011). 2011 Joint National Ph.D. Conference in Medical Imaging and MedViz Conference. Universitetet i Bergen.
- (2009). Innføring i abdominal ultrasonografi. Fagbokforlaget.
Mastergradsoppgave
- (2011). Utvikling av testrigg for ultralyd volum- og strainmålingar i hjarta.
- (2011). Ultrasound phantom for myocardium. (Master thesis).
Populærvitenskapelig artikkel
- (1996). Evaluering av undervisningen i indremedisin ved Universitetet i Bergen. Effekt av økning i studenttall, ny studieplan og innføring i nytt studiested. UPED-skrift. 142-161.
- (1996). Evaluering av undervisningen i indremedisin ved Universitetet i Bergen. Effekt av økning i studenttall, ny studieplan og innføring i nytt studiested. UPED-skrift. 142-161.
Brev til redaktøren
- (2016). Response to: 'Disease activity and left ventricular systolic function in rheumatoid arthritis' by Giollo et al. Annals of the Rheumatic Diseases. e84-e84.
- (2016). Reply: Esmolol Added in Cardioplegia. Journal of Cardiothoracic and Vascular Anesthesia. e9-e10.
Doktorgradsavhandling
- (2019). Polarizing versus depolarizing blood cardioplegia. An experimental study of myocardial function, metabolism and ultrastructure following cardiopulmonary bypass and cardioplegic arrest.
- (2017). Cardiac performance after adrenergic blocker-enriched blood cardioplegia. An evaluation of left ventricular function by pressure volume loops and myocardial deformation.
- (2015). Myocardial protection and anti-apoptotic intervention at reperfusion. Experimental studies in translational porcine models of myocardial ischemia and reperfusion.
- (2013). Myocardial deformation during ischemia and reperfusion. An experimental study of regional left ventricular function by Tissue Doppler Imaging and Speckle Tracking Echocardiography.
- (2011). A Porcine Model for Studies of Cardioplegia. Assessment of left ventricular myocardial function after cardioplegic arrest by pressure-volume loops, tissue Doppler imaging and microspheres.
- (2009). Left ventricular structure and systolic function in aortic valve stenosis : influence of global left ventricular load, gender and hypertension. 1-2009.
- (1988). Invasive ultrasound for assessment of cardiac function : application of transit-time ultrasound for evaluation of myocardial contraction, and Doppler ultrasound for measure- ment of cardiac output.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
- (2012). Real Time Image-Based Tracking of 4D Ultrasound Data. 8 sider.
- (2011). Medical imaging. 28 sider.
- (2005). The Use of Ultrasound in Biomechanics. 31 sider.
- (2005). Basic Technologies in Ultrasound. 21 sider.
- (1995). In vitro evaluation of three dimensional ultrasonography in volume estimation of organs. 2 sider.
Sammendrag/abstract
- (2016). A twisting left ventricular ultrasound phantom for evaluation of 3D speckle tracking twist measurements. European Heart Journal, Supplement. ii51-ii51.
- (2015). Optimizing speckle tracking echocardiography strain measurements in infants: an in-vitro phantom study . European Heart Journal-Cardiovascular Imaging. 102-129.
- (2014). Determinants of left ventricular systolic function after transcatheter aortic valve implantation. European Heart Journal-Cardiovascular Imaging.
- (2012). The effect of ultrasound power level on obstetric biometric measurements. Acta Obstetricia et Gynecologica Scandinavica. 124-124.
- (2011). Multilayer radial strain measurements can detect early reperfusion from ischemia. An experimental porcine study. European Heart Journal-Cardiovascular Imaging. ii83-ii83.
- (2011). Increased systolic strain rate early after transcatheter aortic valve implantation. European Heart Journal-Cardiovascular Imaging. ii37-ii37.
- (2011). Impact of aortic valve stenosis and hypertension on radial strain in multiple layers. European Heart Journal, Supplement. 1008-1009.
- (2011). Accuracy of real-time single and multi beat 3D speckle tracking echocardiography in vitro. European Heart Journal-Cardiovascular Imaging. ii5-ii6.
- (2010). Multilayer radial strain measurements detect reduction in myocardial perfusion before longitudinal, circumferential, radial strain and rotation. An experimental porcine study. European Heart Journal-Cardiovascular Imaging. ii3-ii4.
- (2009). 2D Longitudinal Myocardial Strain: A More Sensitive Parameter of Left Ventricular Dysfunction in Aortic Valve Stenosis? Circulation. S372-S373.
- (2008). The differential impact of static and pulsatile blood pressure components on regional myocardial deformation in patients with asymptomatic aortic valve stenosis. A SEAS substudy. Journal of Hypertension. S255-S256.
- (2005). Systolic radial strain in 3 layers across the myocardial wall in normal humans. European Heart Journal-Cardiovascular Imaging. S92.
- (2005). Radial strain in 4 layers across the left ventricular wall. An experimental TVI study in pigs demonstrating the influence of ischaemia. European Heart Journal-Cardiovascular Imaging. S192.
- (2005). Development of a multimodal device incorporating laser Doppler flowmetry to study oesophageal pain mechanisms. . Gut.
- (1991). Left coronary artery stenosis provokes nonuniformity of myocardial contraction. Hjerteforum. Abstr. 91.
Poster
- (2015). Polarizing versus depolarizing cardiac arrest with repeated, cold, oxygenated blood cardioplegia in a translational porcine model.
- (2011). Doppler strain rate imaging in open-chest pigs before and after pericardiotomy.
- (2011). Assessing load independent measures of contractility by pressure-strain loops during acute preload reduction.
- (2004). Assessment of Regional Timing of Left Ventricular Longitudinal Movement by Tissue Synchronization Imaging.
- (2002). A Doppler ultrasound method to study strain of antral contractions.
- (2001). Strain rate imaging- a novel Doppler ultrasound method to study antral contractions.
- (1995). The dynamic change of the systolic velocity distribution in the aortic annulus is closely related to the pattern of flow convergence in the left ventricular outflow tract.
- (1993). The velocity distribution in the left ventricular outflow tract: effect on aortic stenosis area measurement.
- (1993). Flow velocity distribution in the aortic annulus in patients with congestive heart failure.
Vitenskapelig oversiktsartikkel/review
- (2019). What is left ventricular strain in healthy neonates? A systematic review and meta-analysis. Pediatric Cardiology. 1-11.
- (2013). Doppler av kar. Indremedisineren. 14-17.
1. Effect of left ventricular hypertrophy on myocardial strain and torsion
2. Studies on myocardial dysfunction following ischemia and reperfusion
3. Develoment of acoustic phantoms
4. Accuracy of cardiac 3D deformation methods
B.Sc. i anvendt fysikk, Heriot-Watt University, Edinburgh, Skottland
M.Sc. i medisinsk fysikk, Aberdeen University, Skottland
dr.philos, Universitetet i Bergen