Ultralydmetoder i medisin

Hjertekontraksjon

Akustiske fantomer

Underviser ultralydmetoder for studenter i:

medisin

fysikk

legers videre- og etterutdanning

Vitenskapelig artikkel

• Hjertaas, Johannes Just; Einarsen, Eigir; Gerdts, Eva et al. (2023). Impact of aortic valve stenosis on myocardial deformation in different left ventricular levels: A three-dimensional speckle tracking echocardiography study. (ekstern lenke)
• Kovac, Nina; Grymyr, Lisa Marie Dale; Gerdts, Eva et al. (2022). Markers of Subclinical Atherosclerosis in Severe Obesity and One Year after Bariatric Surgery. (ekstern lenke)
• Khan, Muhammad Umael; Omdal, Tom R.; Matre, Knut et al. (2021). Speckle tracking derived strain in neonates: planes, layers and drift. (ekstern lenke)
• Omdal, Tom Roar; Khan, Muhammad Umael; Ebbing, Cathrine et al. (2021). The influence of region of interest width in fetal 2D-speckle tracking echocardiography late in pregnancy. (ekstern lenke)
• Khan, Muhammad Umael; Omdal, Tom Roar; Greve, Gottfried et al. (2021). Effect of temporal and spatial smoothing on speckle–tracking-derived strain in neonates. (ekstern lenke)
• Grymyr, Lisa Marie Dale; Nadirpour, Saied; Gerdts, Eva et al. (2021). One-year impact of bariatric surgery on left ventricular mechanics: results from the prospective FatWest study. (ekstern lenke)
• Einarsen, Eigir; Hjertaas, Johannes Just; Gu, Haotian et al. (2021). Impact of arterio-ventricular interaction on first-phase ejection fraction in aortic stenosis. (ekstern lenke)
• Pristaj, Nadia; Saeed, Sahrai; Midtbø, Helga Bergljot et al. (2020). Covariables of myocardial function in women and men with increased body mass index. (ekstern lenke)
• Grymyr, Lisa Marie Dale; Nadirpour, Saied; Gerdts, Eva et al. (2020). Left ventricular myocardial oxygen demand and subclinical dysfunction in patients with severe obesity referred for bariatric surgery. (ekstern lenke)
• Saeed, Sahrai; Gerdts, Eva; Waje-Andreassen, Ulrike et al. (2019). Left ventricular myocardial dysfunction in young and middle-aged ischemic stroke patients: the Norwegian stroke in the young study. (ekstern lenke)
• Aass, Terje; Stangeland, Lodve; Moen, Christian Arvei et al. (2019). Left ventricular dysfunction after two hours of polarizing or depolarizing cardioplegic arrest in a porcine model. (ekstern lenke)
• Halland, Hilde; Matre, Knut; Einarsen, Eigir et al. (2019). Effect of fitness on cardiac structure and function in overweight and obesity (the FATCOR study). (ekstern lenke)
• Hjertaas, Johannes Just; Matre, Knut (2019). A left ventricular phantom for 3D echocardiographic twist measurements. (ekstern lenke)
• Midtbø, Helga Bergljot; Semb, Anne Grete; Matre, Knut et al. (2018). Left Ventricular Systolic Myocardial Function in Ankylosing Spondylitis . (ekstern lenke)
• Aass, Terje; Stangeland, Lodve; Chambers, David J. et al. (2017). Myocardial energy metabolism and ultrastructure with polarizing and depolarizing cardioplegia in a porcine model . (ekstern lenke)
• Retz, Kathinka; Kotopoulis, Spiros; Kiserud, Torvid et al. (2017). Measured acoustic intensities for clinical diagnostic ultrasound transducers and correlation with thermal index. (ekstern lenke)
• Dahle, Geir Olav; Stangeland, Lodve; Moen, Christian Arvei et al. (2016). The influence of acute unloading on left ventricular strain and strain rate by speckle tracking echocardiography in a porcine model. (ekstern lenke)
• Aass, Terje; Stangeland, Lodve; Moen, Christian Arvei et al. (2016). Myocardial function after polarizing versus depolarizing cardiac arrest with blood cardioplegia in a porcine model of cardiopulmonary bypass. (ekstern lenke)
• Midtbø, Helga Bergljot; Semb, Anne Grete; Matre, Knut et al. (2016). Disease activity is associated with reduced left ventricular systolic myocardial function in patients with rheumatoid arthritis. (ekstern lenke)
• Dahle, Geir Olav; Salminen, Pirjo-Riitta; Moen, Christian Arvei et al. (2016). Carvedilol-enriched cold oxygenated blood cardioplegia improves left ventricular diastolic function after weaning from cardiopulmonary bypass. (ekstern lenke)
• Retz, Asta Kathinka H; Kotopoulis, Spiros; Kiserud, Torvid et al. (2016). Measured acoustic intensities for clinical diagnostic ultrasound transducers and correlation with thermal index. (ekstern lenke)
• Khan, Muhammad Umael; Hjertaas, Johannes Just; Greve, Gottfried et al. (2016). Optimal acquisition settings for speckle tracking echocardiography-derived strains in infants: An in vitro study. (ekstern lenke)
• Salminen, Pirjo-Riitta; Dahle, Geir Olav; Moen, Christian Arvei et al. (2015). Intracoronary insulin administered at reperfusion in a porcine model of acute coronary syndrome. (ekstern lenke)
• Cramariuc, Dana; Gerdts, Eva; Hjertaas, Johannes Just et al. (2015). Myocardial function in aortic stenosis - insights from radial multilayer Doppler strain. (ekstern lenke)
• Dahle, Geir Olav; Salminen, Pirjo-Riitta; Moen, Christian Arvei et al. (2015). Esmolol added in repeated, cold, oxygenated blood cardioplegia improves myocardial function after cardiopulmonary bypass. (ekstern lenke)
• Logallo, Nicola; Fromm, Annette; Waje-Andreassen, Ulrike et al. (2014). Effect of microbubble contrast on intracranial blood flow velocity assessed by transcranial Doppler. (ekstern lenke)
• Salminen, Pirjo-Riitta; Dahle, Geir Olav; Moen, Christian Arvei et al. (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. (ekstern lenke)
• Moen, Christian Arvei; Salminen, Pirjo-Riitta; Dahle, Geir Olav et al. (2013). Multi-layer radial systolic strain vs. one-layer strain for confirming reperfusion from a significant non-occlusive coronary stenosis. (ekstern lenke)
• Moen, Christian Arvei; Salminen, Pirjo-Riitta; Dahle, Geir Olav et al. (2013). Is strain by Speckle Tracking Echocardiography dependent on user controlled spatial and temporal smoothing? An experimental porcine study. (ekstern lenke)
• Sande, Ragnar; Matre, Knut; Eide, Geir Egil et al. (2013). The effect of ultrasound output level on obstetric biometric measurements. (ekstern lenke)
• Sande, Ragnar; Matre, Knut; Eide, Geir Egil et al. (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. (ekstern lenke)
• Hjertaas, Johannes Just; Fosså, Henrik; Dybdahl, Grete Lunestad et al. (2013). Accuracy of real-time single- and multi-beat 3-D speckle tracking echocardiography in vitro. (ekstern lenke)
• Sande, Ragnar; Matre, Knut; Eide, Geir Egil et al. (2012). Ultrasound safety in early pregnancy: reduced energy setting does not compromise obstetric Doppler measurements. (ekstern lenke)
• Ahmed, Aymen B; Matre, Knut; Hausken, Trygve et al. (2012). Rome III subgroups of functional dyspepsia exhibit different characteristics of antral contractions measured by strain rate imaging. (ekstern lenke)
• Salminen, Pirjo-Riitta; Jonassen, Anne K.; Aarnes, Eva-Katrine et al. (2011). Antiapoptotic Intervention in Repeated Blood Cardioplegia: A Porcine Study of Myocardial Function. (ekstern lenke)
• Moen, Christian Arvei; Salminen, Pirjo-Riitta; Grong, Ketil et al. (2011). Left ventricular strain, rotation, and torsion as markers of acute myocardial ischemia. (ekstern lenke)
• Cramariuc, Dana; Gerdts, Eva; Davidsen, Einar Skulstad et al. (2010). Myocardial deformation in aortic valve stenosis – relation to left ventricular geometry. (ekstern lenke)
• Davidsen, Einar Skulstad; Moen, Christian Arvei; Matre, Knut (2010). Radial deformation by tissue Doppler imaging in multiple myocardial layers. (ekstern lenke)
• Hergum, Torbjørn; Skaug, Thomas Renhult; Matre, Knut et al. (2009). Quantification of Valvular Regurgitation Area and Geometry Using HPRF 3-D Doppler. (ekstern lenke)
• Ahmed, Aymen B; Gilja, Odd Helge; Hausken, Trygve et al. (2009). Strain measurement during antral contractions by ultrasound strain rate imaging: influence of erythromycin. (ekstern lenke)
• Fanneløp, Tord Olav; Dahle, Geir Olav; Salminen, Pirjo-Riitta et al. (2009). Multidose cold oxygenated blood is superior to a single dose of bretschneider HTK-cardioplegia in the pig. (ekstern lenke)
• Havre, Roald Flesland; Elde, Erlend; Gilja, Odd Helge et al. (2008). Freehand real-time elastography: Impact of scanning parameters on image quality and In Vitro intra- and interobserver validations. (ekstern lenke)
• Fanneløp, Tord Olav; Dahle, Geir Olav; Matre, Knut et al. (2008). Esmolol before 80 min of cardiac arrest with oxygenated cold blood cardioplegia alleviates systolic dysfunction. An experimental study in pigs. (ekstern lenke)
• Nylund, Kim; Leh, Sabine; Immervoll, Heike et al. (2008). Crohn's disease: Comparison of in vitro ultrasonographic images and histology. (ekstern lenke)
• Matre, Knut; Moen, Christian Arvei; Fanneløp, Tord Olav et al. (2007). Multilayer radial systolic strain can identify subendocardial ischemia: An experimental tissue Doppler imaging study of the porcine left ventricular wall. (ekstern lenke)
• Stormark, Tor Andre; Strømmen, Kenneth; Iversen, Bjarne Magnus et al. (2007). Three-dimensional ultrasonography can detect the modulation of kidney volume in two-kidney, one-clip hypertensive rats. (ekstern lenke)
• Ahmed, Aymen B; Gilja, Odd Helge; Gregersen, Hans et al. (2006). In vitro strain measurement in the porcine antrum using ultrasound Doppler strain rate imaging. (ekstern lenke)
• Hoff, Dag Arne Lihaug; Gregersen, Hans; Ødegaard, Svein et al. (2006). A multimodal laser Doppler and endosonographic distension device for studying mechanosensation and mucosal blood flow in the oesophagus. (ekstern lenke)
• Ahmed, Aymen B; Gilja, Odd Helge; Gregersen, Hans et al. (2006). In vitro strain measurement in the porcine antrum using Doppler strain rate imaging. (ekstern lenke)
• Matre, Knut; Fanneløp, Tord Olav; Dahle, Geir Olav et al. (2005). Radial strain gradient across the normal myocardial wall in open-chest pigs measured with Doppler strain rate imaging. (ekstern lenke)
• Schuster, Peter Moritz; Matre, Knut; Færestrand, Svein (2005). Assessment of regional timing of left ventricular sytolic longitudinal movement by Doppler tissue synchronization imaging in structurally normal hearts. (ekstern lenke)
• Fanneløp, Tord Olav; Dahle, Geir Olav; Matre, Knut et al. (2004). An anaesthetic protocol in the young domestic pig allowing neuromuscular blockade for studies of cardiac function following cardioplegic arrest and cardiopulmonary bypass. (ekstern lenke)
• Strømmen, Kenneth; Stormark, Tor A.; Iversen, Bjarne Magnus et al. (2004). Volume estimation of small phantoms and rat kidneys using three-dimensional ultrasonography and a position sensor. (ekstern lenke)
• Matre, Knut; Kvitting, Peder; Zhou, Y.Q. et al. (2003). The effect of body weight on the degree of blood velocity profile skewness in the aortic annulus in domestic pigs. (ekstern lenke)
• Matre, Knut; Ahmed, Aymen B; Gregersen, Hans et al. (2003). In vitro evaluation of ultrasound Doppler strain rate imaging: modification for measurement in a slowly moving tissue phantom. (ekstern lenke)
• Gregersen, Hans; Gilja, Odd Helge; Hausken, Trygve et al. (2002). Mechanical properties in the human gastric antrum using B-mode ultrasonography and antral distension. (ekstern lenke)
• Gilja, Odd Helge; Heimdal, Andreas; Hausken, Trygve et al. (2002). Strain during gastric contractions can be measured using Doppler ultrasonography. (ekstern lenke)
• Matre, Knut; Ersland, Lars; Larsen, Terje H et al. (2002). In vitro agreement between magnetic resonance imaging and intraluminal Doppler ultrasound for high flow velocity measurements. (ekstern lenke)
• Vikenes, Kjell; Westby, Jørgen; Matre, Knut et al. (2002). Percutaneous assessment of coronary blood flow and cardiac biomarkers. (ekstern lenke)
• Heltne, Jon-Kenneth; Farstad, Marit; Lund, Tjøstolv et al. (2002). Determination of plasma volume in anaesthetized piglets using the carbon monoxide (CO) method. (ekstern lenke)
• Vikenes, Kjell; Westby, Jørgen; Matre, Knut et al. (2002). Release of cardiac troponin I after temporally graded acute coronary ischaemia with electrocardiographic ST depression. (ekstern lenke)
• Kvitting, Peder; Matre, Knut; Hessevik, Idar et al. (1999). Velocity distribution in the ascending aorta in pigs during chronotropic and inotropic stimulation. (ekstern lenke)
• Matre, Knut; Stokke, Elisabeth M; Martens, Ditlef et al. (1999). In vitro volume estimation of kidneys using three-dimensional ultrrasonography and a position sensor. (ekstern lenke)
• Nesje, LB; Skarstein, Arne; Matre, Knut et al. (1998). Dieulafoy's vascular malformation: Role of endoscopic ultrasonography in therapeutic decision-making. (ekstern lenke)
• Nesje, LB; Skarstein, Arne; Matre, Knut et al. (1998). Dieulafoy's vascular malformation: Role of endoscopic ultrasonography in therapeutic decision-making. (ekstern lenke)
• Nesje, Lars B; Skarstein, Arne; Matre, Knut et al. (1998). Dieulafoy's vascular malformation: role of endoscopic ultrasonography in therapeutic decision-making. (ekstern lenke)
• Iversen, Bjarne Magnus; Kvam, Fred I.; Matre, Knut et al. (1998). Resetting of RBF autoregulation during acute pressure reduction in hypertensive rats. (ekstern lenke)
• Gilja, Odd Helge; Hausken, Trygve; Olafsson, Snorri et al. (1998). In vitro evaluation of three-dimensional ultrasonography based on magnetic scanhead tracking. (ekstern lenke)
• Iversen, Bjarne Magnus; Kvam, Fred-Ivan; Matre, Knut et al. (1998). Resetting of renal blood flow autoregulation during acute blood pressure reduction in hypertensive rats.. (ekstern lenke)
• Zhou, YQ; Birkeland, S; Matre, Knut et al. (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. (ekstern lenke)
• Zhou, Y. Q.; Faerestrand, S.; Birkeland, S. et al. (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. (ekstern lenke)
• Zhou, Yuqing; Birkeland, Sigurd; Matre, Knut et al. (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. (ekstern lenke)
• Zhou, Yu-Qing; Færestrand, Svein; Matre, Knut (1996). Velocity distribution in the aortic annulus in patients with primary dilated and ischemic cardiomyopathy measured using Doppler ultrasound. (ekstern lenke)
• Kvitting, Peder M; Hessevik, Idar; Matre, Knut et al. (1996). Three-dimensional cross-sectional velocity distribution in the ascending aorta in cardiac patients. (ekstern lenke)
• Kvitting, Peder M; Hessevik, Idar; Matre, Knut et al. (1996). Three-dimensional cross-sectional velocity distribution in the ascending aorta in cardiac patients. (ekstern lenke)
• Thune, Nils; Gilja, Odd Helge; Hausken, Trygve et al. (1996). A practical method for estimating enclosed volumes using 3D ultrasound. (ekstern lenke)
• Berstad, Arnold; Hausken, Trygve; Gilja, OH et al. (1995). Volume measurements of the antrum by 3D-ultrasonography and flow measurements through the pylorus by duplex technique. (ekstern lenke)
• Gilja, OH; Smievoll, AI; Thune, N et al. (1995). In vivo comparison of 3D ultrasonography and Magnetic Response Imaging in volume estimation of human kidneys. (ekstern lenke)
• Hessevik, Idar; Matre, Knut; Kvitting, Peder M. et al. (1995). Intraluminal recording of cross-sectional blood velocity distribution of human ascending aorta by ultrasound Doppler technique. (ekstern lenke)
• Zhou, Yuqing; Færestrand, Svein; Matre, Knut (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. (ekstern lenke)
• Zhou, Yuqing; Færestrand, Svein; Birkeland, Sigurd et al. (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. (ekstern lenke)
• Matre, Knut; Birkeland, S.; Hessevik, Idar et al. (1994). Comparison of transit-time and Doppler ultrasound methods for measurement of flow in aortocoronary bypass grafts during cardiac surgery. (ekstern lenke)
• Gilja, Odd Helge; Thune, Nils; Matre, Knut et al. (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.). (ekstern lenke)
• Matre, Knut; Birkeland, S.; Hessevik, Idar et al. (1994). Comparison of transit-time and Doppler ultrasound methods for measurement of flow in aortocoronary bypass grafts during cardiac surgery. (ekstern lenke)
• Hausken, Trygve; Thune, N.; Matre, Knut et al. (1994). Volume estimation of the gastric antrum and the gallbladder in patients with non-ulcer dyspepsia and erosive prepyloric changes, using three-dimensional ultrasonography. (ekstern lenke)
• Berstad, Arnold; Hausken, Trygve; Gilja, Odd Helge et al. (1994). Volume measurement of gastric antrum by 3-D ultrasonography and flow measurements through the pylorus by duplex technique. (ekstern lenke)
• Hessevik, Idar; Matre, Knut; Kvitting, Peder M. et al. (1994). Intraluminal recording of cross-sectional blood velocity distribution of human ascending aorta by ultrasound doppler technique. (ekstern lenke)
• Birkeland, Sigurd; Westby, Jørgen; Matre, Knut et al. (1994). Myocardial contraction patterns in non-ischaemic and ischaemic regions during acute coronary insufficiency. (ekstern lenke)
• Hausken, Trygve; Thune, N.; Matre, Knut et al. (1993). New device shows enlarged antrum in dyspeptic patients. (ekstern lenke)
• Zhou, Yuqing; Færestrand, Svein; Matre, Knut et al. (1993). Velocity distribution in the left ventricular outflow tract and the aortic anulus measured with Doppler colour flow mapping in normal subjects. (ekstern lenke)
• Ødegaard, Svein; Nesje, Lars B; Kimmey, M.B. et al. (1992). Trabsendoskopische Ultraschalldiagnostik bei Läsionen im Oberen Verdauungstrakt im Rahmen der Routineendoskopi. (ekstern lenke)
• Hausken, Trygve; Berstad, Arnold; Matre, Knut et al. (1992). Antroduodenal motility and movements of luminal contents studied by Duplex-sonography. (ekstern lenke)
• Iversen, Bjarne Magnus; Kvam, Fred Ivan; Matre, Knut et al. (1992). Effect of mesangiolysis on autoregulation of renal blood flow and glomerular filtration in rats. (ekstern lenke)
• Hausken, Trygve; Ødegaard, Svein; Matre, Knut et al. (1992). Untersuchungen der gastroduodenalen Motilität mit Realtime Ultrasonographie. (ekstern lenke)
• Hexeberg, Erik; Birkeland, Sigurd; Grong, Ketil et al. (1992). Coronary artery stenosis provokes nonuniformity of twodimensional deformation in the anterior wall of the feline left ventricle. (ekstern lenke)
• Hexeberg, Erik; Birkeland, Sigurd; Grong, Ketil et al. (1992). Coronary artery stenosis provokes non-uniformity of two-dimensional deformation in the anterior wall of the feline left ventricle. (ekstern lenke)
• Birkeland, Sigurd; Hexeberg, Erik; Matre, Knut et al. (1990). Gradual reduction of coronary perfusion pressure in cats: changes in transmural distribution of blood flow. (ekstern lenke)
• Matre, Knut; Hexeberg, Erik; Grong, Ketil et al. (1987). Local myocardial function following coronary occlusion in cats. Effect on non-ischaemic regions. (ekstern lenke)

Doktorgradsavhandling

• Aass, Terje; Grong, Ketil; Matre, Knut et al. (2019). Polarizing versus depolarizing blood cardioplegia. An experimental study of myocardial function, metabolism and ultrastructure following cardiopulmonary bypass and cardioplegic arrest. (ekstern lenke)
• Dahle, Geir Olav; Grong, Ketil; Matre, Knut et al. (2017). Cardiac performance after adrenergic blocker-enriched blood cardioplegia. An evaluation of left ventricular function by pressure volume loops and myocardial deformation. (ekstern lenke)
• Salminen, Pirjo-Riitta; Grong, Ketil; Matre, Knut et al. (2015). Myocardial protection and anti-apoptotic intervention at reperfusion. Experimental studies in translational porcine models of myocardial ischemia and reperfusion. (ekstern lenke)
• Moen, Christian Arvei; Matre, Knut; Grong, Ketil (2013). Myocardial deformation during ischemia and reperfusion. An experimental study of regional left ventricular function by Tissue Doppler Imaging and Speckle Tracking Echocardiography. (ekstern lenke)
• Fanneløp, Tord Olav; Segadal, Leidulf; Grong, Ketil et al. (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. (ekstern lenke)
• Cramariuc, Dana; Gerdts, Eva; Matre, Knut (2009). Left ventricular structure and systolic function in aortic valve stenosis : influence of global left ventricular load, gender and hypertension. (ekstern lenke)
• Matre, Knut (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. (ekstern lenke)

Vitenskapelig oversiktsartikkel/review

• Khan, Muhammad Umael; Omdal, Tom Roar; Matre, Knut et al. (2019). What is left ventricular strain in healthy neonates? A systematic review and meta-analysis. (ekstern lenke)
• Matre, Knut; Lønnebakken, Mai Tone (2013). Doppler av kar. (ekstern lenke)

Faglig foredrag

• Aass, Terje; Stangeland, Lodve; Moen, Christian Arvei et al. (2018). Left ventricular dysfunction after two hours of polarizing or depolarizing cardioplegic arrest in a porcine model of cardiopulmonary bypass.. (ekstern lenke)

Sammendrag/abstract

• Hjertaas, Johannes Just; Matre, Knut (2016). A twisting left ventricular ultrasound phantom for evaluation of 3D speckle tracking twist measurements. (ekstern lenke)
• Khan, Umael; Hjertaas, Johannes Just; Greve, Gottfried et al. (2015). Optimizing speckle tracking echocardiography strain measurements in infants: an in-vitro phantom study . (ekstern lenke)
• Davidsen, Einar Skulstad; Kuiper, Karel Kier-Jan; Matre, Knut et al. (2014). Determinants of left ventricular systolic function after transcatheter aortic valve implantation. (ekstern lenke)
• Sande, Ragnar; Matre, Knut; Eide, Geir Egil et al. (2012). The effect of ultrasound power level on obstetric biometric measurements. (ekstern lenke)
• Hjertaas, Johannes Just; Fosså, Henrik; Dybdahl, Grete Lunestad et al. (2011). Accuracy of real-time single and multi beat 3D speckle tracking echocardiography in vitro. (ekstern lenke)
• Moen, Christian Arvei; Salminen, Pirjo-Riitta; Grong, Ketil et al. (2011). Multilayer radial strain measurements can detect early reperfusion from ischemia. An experimental porcine study. (ekstern lenke)
• Davidsen, Einar Skulstad; Cramariuc, Dana; Bleie, Øyvind et al. (2011). Increased systolic strain rate early after transcatheter aortic valve implantation. (ekstern lenke)
• Cramariuc, Dana; Hjertaas, Johannes Just; Segadal, Leidulf et al. (2011). Impact of aortic valve stenosis and hypertension on radial strain in multiple layers. (ekstern lenke)
• Moen, Christian Arvei; Salminen, Pirjo-Riitta; Grong, Ketil et al. (2010). Multilayer radial strain measurements detect reduction in myocardial perfusion before longitudinal, circumferential, radial strain and rotation. An experimental porcine study. (ekstern lenke)
• Cramariuc, Dana; Gerdts, Eva; Davidsen, Einar Skulstad et al. (2009). 2D Longitudinal Myocardial Strain: A More Sensitive Parameter of Left Ventricular Dysfunction in Aortic Valve Stenosis?. (ekstern lenke)
• Cramariuc, Dana; Gerdts, Eva; Davidsen, Einar Skulstad et al. (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. (ekstern lenke)
• Davidsen, Einar Skulstad; Matre, Knut (2005). Systolic radial strain in 3 layers across the myocardial wall in normal humans. (ekstern lenke)
• Matre, Knut; Fanneløp, Tord Olav; Moen, Christian Arvei et al. (2005). Radial strain in 4 layers across the left ventricular wall. An experimental TVI study in pigs demonstrating the influence of ischaemia. (ekstern lenke)
• Hoff, Dag Arne Lihaug; Gregersen, Hans; Ødegaard, Svein et al. (2005). Development of a multimodal device incorporating laser Doppler flowmetry to study oesophageal pain mechanisms. . (ekstern lenke)
• Hexeberg, Erik; Birkeland, Sigurd; Grong, Ketil et al. (1991). Left coronary artery stenosis provokes nonuniformity of myocardial contraction. (ekstern lenke)

Brev til redaktøren

• Midtbø, Helga Bergljot; Semb, Anne Grete; Matre, Knut et al. (2016). Response to: 'Disease activity and left ventricular systolic function in rheumatoid arthritis' by Giollo et al. (ekstern lenke)
• Dahle, Geir Olav; Salminen, Pirjo-Riitta; Moen, Christian Arvei et al. (2016). Reply: Esmolol Added in Cardioplegia. (ekstern lenke)

Vitenskapelig foredrag

• Aass, Terje; Stangeland, Lodve; Chambers, David J. et al. (2016). Myocardial energy status and ultrastructure with polarizing and depolarizing cardioplegic arrest in a porcine model. (ekstern lenke)
• Aass, Terje; Stangeland, Lodve; Moen, Christian Arvei et al. (2014). Polariserende versus depolariserende kardioplegi med repetert, kaldt oksygenert blod i en eksperimentell dyremodell. (ekstern lenke)
• Mezl, Martin; Jirík, Radovan; Matre, Knut et al. (2013). Quantitative myocardial perfusion analysis with contrast-enhanced ultrasound bolus tracking - preliminary animal results. (ekstern lenke)
• Matre, Knut (2012). Experimental and clinical measurements of multilayer strain using TDI. (ekstern lenke)
• Moen, Christian Arvei; Salminen, Pirjo-Riitta; Dahle, Geir Olav et al. (2012). Multilayer radial strain analysis can detect successful reperfusion from a significant non-occlusive coronary stenosis. An experimental porcine study. (ekstern lenke)
• Hjertaas, Johannes Just; Fanneløp, Tord Olav; Grong, Ketil et al. (2011). Tissue doppler imaging in open-chest pigs before and after pericardiotomy. (ekstern lenke)
• Dahle, Geir Olav; Salminen, Pirjo-Riitta; Moen, Christian Arvei et al. (2011). Esmolol added to cold repeated oxygenated blood cardioplegia may increase cardiac function the first hours after declamping in a swine model. (ekstern lenke)
• Moen, Christian Arvei; Salminen, Pirjo-Riitta; Dahle, Geir Olav et al. (2011). Multilayer strain can identify reperfusion from coronary stenosis. (ekstern lenke)
• Moen, Christian Arvei; Salminen, Pirjo-Riitta; Grong, Ketil et al. (2011). Left ventricular strain and rotation as markers of acute myocardial ischemia. (ekstern lenke)
• Moen, Christian Arvei; Salminen, Pirjo-Riitta; Grong, Ketil et al. (2010). Multilayer radial strain measurements detect reduction in myocardial perfusion before longitudinal, circumferential, radial strain and rotation. An experimental porcine study. (ekstern lenke)
• Moen, Christian Arvei; Salminen, Pirjo-Riitta; Grong, Ketil et al. (2010). Low-grade coronary stenosis is first detected by multilayer strain measurements. An experimental porcine study. (ekstern lenke)
• Salminen, Pirjo-Riitta; Jonassen, Anne K.; Aarnes, Eva-Katrine et al. (2010). Insulin-like growth factor-II in blood cardioplegia enhances myocardial contractility and stimulates anti-apoptotic mechanisms after reperfusion. (ekstern lenke)
• Salminen, Pirjo-Riitta; Jonassen, Anne K.; Aarnes, Eva-Katrine et al. (2009). Insulinlignende vekstfaktor-II i blodkardioplegi øker kontraktilitet av myokard og stimulerer anti-apoptotiske mekanismer etter reperfusjon. (ekstern lenke)
• Hergum, Torbjørn; Skaug, Thomas Renhult; Matre, Knut et al. (2008). Quantification of Valvular Regurgitation Area and Geometry using HPRF 3D Doppler. (ekstern lenke)
• Nylund, Kim; Leh, Sabine; Immervoll, Heike et al. (2005). Muscularis mucosae, fibrosis and nodular lymphocyte aggregates in Crohn's disease - novel ultrasonographic findings in vitro. (ekstern lenke)
• Vikenes, Kjell; Westby, Jørgen; Matre, Knut et al. (2001). Percutaneous assessment of coronary blood flow and cardiac markers. (ekstern lenke)
• Gilja, Odd Helge; Heimdal, A; Hausken, Trygve et al. (2000). A novel method using color Doppler ultrasonography to study relative strain of the muscle layers during antral contractions. (ekstern lenke)
• Gilja, Odd Helge; Heimdal, A; Hausken, Trygve et al. (2000). A novel method using color Doppler ultrasonography to study relative strain of the muscle layers during antral contractions. (ekstern lenke)
• Molin, S-O; Falk, A.; Siwertsson, R. et al. (1996). Anpassning av TEE proben for stadieindelning av tumører i øvre gastrointestinalkanalen och preliminære resultat av 3D visualisering med multiplanprob. (ekstern lenke)
• Gilja, OH; Hausken, Trygve; Olafsson, S et al. (1995). In vitro evaluation of three-dimensional ultrasonography based on magnetic scanhead tracking. Oral presentation. (ekstern lenke)
• Gilja, Odd Helge; Smievoll, Alf-Inge; Thune, Nils et al. (1994). 3D ultrasonography compared with magnetic resonance imaging in volume estimation of human kidneys in vivo. (ekstern lenke)
• Gilja, Odd H.; Thune, Nils; Matre, Knut et al. (1994). Evaluering av 3D ultrasonografi in vitro. (Tilknyttet prosjektet: Pasienter med funksjonell dyspepsi studert v.h.a. 3-dimensjonal ultralyd.). (ekstern lenke)
• Gilja, Odd Helge; Smievoll, Alf-Inge; Thune, Nils et al. (1994). In Vivo Comparison of 3D Ultrasonography and Magnetic Resonance Imaging in Volume Estimation of Abdominal Organs. (ekstern lenke)

Poster

• Aass, Terje; Stangeland, Lodve; Moen, Christian Arvei et al. (2015). Polarizing versus depolarizing cardiac arrest with repeated, cold, oxygenated blood cardioplegia in a translational porcine model. (ekstern lenke)
• Hjertaas, Johannes Just; Fanneløp, Tord Olav; Grong, Ketil et al. (2011). Doppler strain rate imaging in open-chest pigs before and after pericardiotomy. (ekstern lenke)
• Dahle, Geir Olav; Moen, Christian Arvei; Salminen, Pirjo-Riitta et al. (2011). Assessing load independent measures of contractility by pressure-strain loops during acute preload reduction. (ekstern lenke)
• Schuster, Peter; Færestrand, Svein; Matre, Knut (2004). Assessment of Regional Timing of Left Ventricular Longitudinal Movement by Tissue Synchronization Imaging. (ekstern lenke)
• Gilja, Odd Helge; Heimdal, Andreas; Hausken, Trygve et al. (2002). A Doppler ultrasound method to study strain of antral contractions. (ekstern lenke)
• Gilja, Odd Helge; Heimdal, Andreas; Hausken, Trygve et al. (2001). Strain rate imaging- a novel Doppler ultrasound method to study antral contractions. (ekstern lenke)
• Zhou, Yuqing; Færestrand, Svein; Birkeland, Sigurd et al. (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. (ekstern lenke)
• Zhou, Yuqing; Færestrand, Svein; Matre, Knut (1993). The velocity distribution in the left ventricular outflow tract: effect on aortic stenosis area measurement. (ekstern lenke)
• Zhou, Yuqing; Færestrand, Svein; Matre, Knut (1993). Flow velocity distribution in the aortic annulus in patients with congestive heart failure. (ekstern lenke)
• Kvam, Fred-Ivan; Iversen, Bjarne Magnus; Matre, Knut et al. (1990). Infusion of nifedipine abolishes RBF autoregulation in SHR with nephron loss. (ekstern lenke)
• Kvam, Fred-Ivan; Christensen, Jan A; Iversen, Bjarne Magnus et al. (1990). Chronic Ca–blocade increases glomerular capillary pressure and induces glomerular damage in SHR with nephron loss. (ekstern lenke)
• Ofstad, Jarle; Kvam, Fred-Ivan; Matre, Knut et al. (1990). Mesangiolysis does not influence RBF autoregulation, but attenutes autoregulation of RBF. (ekstern lenke)
• Kvam, Fred-Ivan; Iversen, Bjarne Magnus; Matre, Knut et al. (1990). Indometacin abolishes RBF and GFR autoregulation and increases glomerulary capillary pressure in SHR with nephron loss. (ekstern lenke)
• Iversen, Bjarne Magnus; Kvam, Fred-Ivan; Matre, Knut et al. (1990). Re–resetting of RBF autoregulation in SHR and non–clipped kidney in 2k–1C is acute, myogenic, and has a barostat function. (ekstern lenke)
• Grønbech, Jon Erik; Matre, Knut; Svanes, K. et al. (1987). The role of gastric mucosal blood flow in mucosal repair after damage by hypertonic saline in cats. (ekstern lenke)

Leder

• Kohl, Thomas; Schurg, R.; Maxeiner, H. et al. (2013). 22nd World Congress on Ultrasound in Obstetrics and Gynecology, 9-13 September 2012, Copenhagen, Denmark: presentations and awards. (ekstern lenke)

Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

• Øye, Ola Kristoffer; Wein, Wolfgang; Ulvang, Dag Magne et al. (2012). Real Time Image-Based Tracking of 4D Ultrasound Data. (ekstern lenke)
• Matre, Knut; Gilja, Odd Helge (2011). Medical imaging. (ekstern lenke)
• Gregersen, Hans; Matre, Knut (2005). The Use of Ultrasound in Biomechanics. (ekstern lenke)
• Matre, Knut; Dahl, Peter Hans (2005). Basic Technologies in Ultrasound. (ekstern lenke)
• Gilja, Odd Helge; Thune, N.; Matre, Knut et al. (1995). In vitro evaluation of three dimensional ultrasonography in volume estimation of organs. (ekstern lenke)

Fagbok

• Haslene-Hox, Hanne; Silden, Elisabeth; Mujic, Maja et al. (2011). 2011 Joint National Ph.D. Conference in Medical Imaging and MedViz Conference. (ekstern lenke)
• Ødegaard, Svein; Gilja, Odd Helge; Matre, Knut (2009). Innføring i abdominal ultrasonografi. (ekstern lenke)

Mastergradsoppgave

• Dybdahl, Grete Lunestad; Matre, Knut; Grüner, Renate (2011). Utvikling av testrigg for ultralyd volum- og strainmålingar i hjarta. (ekstern lenke)
• Fosså, Henrik; Lunde, Per; Matre, Knut (2011). Ultrasound phantom for myocardium. (Master thesis). (ekstern lenke)

Lærebok

• Ødegaard, Svein; Gilja, Odd Helge; Matre, Knut (2009). Innføring i abdominal ultrasonografi. (ekstern lenke)

Populærvitenskapelig artikkel

• Mørkve, Odd; Halstensen, Alfred; Matre, Knut (1996). Evaluering av undervisningen i indremedisin ved Universitetet i Bergen. Effekt av økning i studenttall, ny studieplan og innføring i nytt studiested. (ekstern lenke)
• Mørkve, Odd; Halstensen, Alfred; Matre, Knut (1996). Evaluering av undervisningen i indremedisin ved Universitetet i Bergen. Effekt av økning i studenttall, ny studieplan og innføring i nytt studiested. (ekstern lenke)

Se en full oversikt over publikasjoner i Cristin

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