
Thomas Helle-Valle
- Consultant Cardiologist, MD, PhD
- +47 230 73272
Publications 2020
Mitral annulus disjunction is associated with adverse outcome in Marfan and Loeys-Dietz syndromes
Eur Heart J Cardiovasc Imaging (in press)
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
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