Thomas Helle-Valle
- Consultant Cardiologist, MD, PhD
- +47 230 73272
Publications 2021
Mitral annulus disjunction is associated with adverse outcome in Marfan and Loeys-Dietz syndromes
Eur Heart J Cardiovasc Imaging, 22 (9), 1035-1044
DOI 10.1093/ehjci/jeaa324, PubMed 33280029
Publications 2019
Single-centre first experience with transapical transcatheter mitral valve replacement with an apical tether: factors influencing screening outcomes
Interact Cardiovasc Thorac Surg, 28 (5), 695-703
DOI 10.1093/icvts/ivy343, PubMed 30602024
Publications 2018
Treatment of sleep apnea in patients with paroxysmal atrial fibrillation: design and rationale of a randomized controlled trial
Scand Cardiovasc J, 52 (6), 372-377
DOI 10.1080/14017431.2019.1567933, PubMed 30638392
Publications 2015
Mitral valve analysis adding a virtual semi-transparent annulus plane for detection of prolapsing segments
Cardiovasc Ultrasound, 13, 25
DOI 10.1186/s12947-015-0019-2, PubMed 25986226
Strain, strain rate, torsion, and twist: echocardiographic evaluation
Curr Cardiol Rep, 17 (3), 568
DOI 10.1007/s11886-015-0568-x, PubMed 25676830
Publications 2012
Myocardial relaxation, restoring forces, and early-diastolic load are independent determinants of left ventricular untwisting rate
Circulation, 126 (12), 1441-51
DOI 10.1161/CIRCULATIONAHA.111.080861, PubMed 22865889
Identification of viable myocardium in acute anterior infarction using duration of systolic lengthening by tissue Doppler strain: a preliminary study
J Am Soc Echocardiogr, 25 (7), 718-25
DOI 10.1016/j.echo.2012.04.016, PubMed 22622107
Publications 2009
Clinical assessment of left ventricular rotation and strain: a novel approach for quantification of function in infarcted myocardium and its border zones
Am J Physiol Heart Circ Physiol, 297 (1), H257-67
DOI 10.1152/ajpheart.01116.2008, PubMed 19395547
A novel echocardiographic marker of end systole in the ischemic left ventricle: "tug of war" sign
Am J Physiol Heart Circ Physiol, 296 (3), H645-54
DOI 10.1152/ajpheart.00313.2008, PubMed 19122168
Determinants of left ventricular early-diastolic lengthening velocity: independent contributions from left ventricular relaxation, restoring forces, and lengthening load
Circulation, 119 (19), 2578-86
DOI 10.1161/CIRCULATIONAHA.108.791681, PubMed 19414640
Response to Letter Regarding Article, "Mechanisms of Preejection and Postejection Velocity Spikes in Left Ventricular Myocardium: Interaction Between Wall Deformation and Valve Events"
Circulation, 119 (6), E205
DOI 10.1161/CIRCULATIONAHA.108.823716
Age, increased left ventricular mass, and lower regional myocardial perfusion are related to greater extent of myocardial dyssynchrony in asymptomatic individuals: the multi-ethnic study of atherosclerosis
Circulation, 120 (10), 859-66
DOI 10.1161/CIRCULATIONAHA.108.787408, PubMed 19704101
Publications 2008
A new tissue Doppler method for examination of left ventricular rotation
Ultrasound Med Biol, 34 (11), 1741-51
DOI 10.1016/j.ultrasmedbio.2008.03.022, PubMed 18547711
Noninvasive separation of large, medium, and small myocardial infarcts in survivors of reperfused ST-elevation myocardial infarction: a comprehensive tissue Doppler and speckle-tracking echocardiography study
Circ Cardiovasc Imaging, 1 (3), 189-96, 2 p following 196
DOI 10.1161/CIRCIMAGING.108.784900, PubMed 19808542
Apical rotation by speckle tracking echocardiography: a simplified bedside index of left ventricular twist
J Am Soc Echocardiogr, 21 (10), 1121-8
DOI 10.1016/j.echo.2008.06.012, PubMed 18760568
Mechanisms of preejection and postejection velocity spikes in left ventricular myocardium: interaction between wall deformation and valve events
Circulation, 118 (4), 373-80
DOI 10.1161/CIRCULATIONAHA.107.748491, PubMed 18606917
Publications 2007
Global longitudinal strain measured by two-dimensional speckle tracking echocardiography is closely related to myocardial infarct size in chronic ischaemic heart disease
Clin Sci (Lond), 113 (6), 287-96
DOI 10.1042/CS20070066, PubMed 17501720
Contraction pattern of the systemic right ventricle shift from longitudinal to circumferential shortening and absent global ventricular torsion
J Am Coll Cardiol, 49 (25), 2450-6
DOI 10.1016/j.jacc.2007.02.062, PubMed 17599609
Early prediction of infarct size by strain Doppler echocardiography after coronary reperfusion
J Am Coll Cardiol, 49 (16), 1715-21
DOI 10.1016/j.jacc.2006.12.047, PubMed 17448374
Publications 2006
Noninvasive myocardial strain measurement by speckle tracking echocardiography: validation against sonomicrometry and tagged magnetic resonance imaging
J Am Coll Cardiol, 47 (4), 789-93
DOI 10.1016/j.jacc.2005.10.040, PubMed 16487846
Systolic dysfunction in heart failure with normal ejection fraction: speckle-tracking echocardiography
Prog Cardiovasc Dis, 49 (3), 207-14
DOI 10.1016/j.pcad.2006.08.008, PubMed 17084180
Publications 2005
Tracking of regional left ventricular rotation by tissue Doppler imaging.
ULTRASON, 2050-2053
New noninvasive method for assessment of left ventricular rotation: speckle tracking echocardiography
Circulation, 112 (20), 3149-56
DOI 10.1161/CIRCULATIONAHA.104.531558, PubMed 16286606
Myocardial strain analysis in acute coronary occlusion: a tool to assess myocardial viability and reperfusion
Circulation, 112 (25), 3901-10
DOI 10.1161/CIRCULATIONAHA.105.533372, PubMed 16365210
Publications 1995
[Health services in Nepal--much ado, little health]
Tidsskr Nor Laegeforen, 115 (6), 736-8
PubMed 7900140