
| Halfdan Ihlen | |
| Position: | Professor Emeritus |
| Phone: | |
| Email: | |
Development of new ultrasonic methods for assessment of myocardial function and dysfunction
Main methods:
Tissue Doppler and speckle tracking ultrasound
Author network for Halfdan Ihlen by COREMINE medical
Publications 2011
Detection of left ventricular dysfunction by global longitudinal systolic strain in patients with chronic aortic regurgitation
J Am Soc Echocardiogr, 24 (11), 1253-9
PubMed 21908174
Publications 2010
Detecting myocardial ischaemia using miniature ultrasonic transducers--a feasibility study in a porcine model
Eur J Cardiothorac Surg, 37 (1), 119-26
PubMed 19581103
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
PubMed 19395547
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
Diagnostic capability and reproducibility of strain by Doppler and by speckle tracking in patients with acute myocardial infarction
JACC Cardiovasc Imaging, 2 (1), 24-33
PubMed 19356529
Publications 2008
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
PubMed 19808542
Feasibility of a three-axis epicardial accelerometer in detecting myocardial ischemia in cardiac surgical patients
J Thorac Cardiovasc Surg, 136 (6), 1496-502
PubMed 19114197
Mechanisms of preejection and postejection velocity spikes in left ventricular myocardium: interaction between wall deformation and valve events
Circulation, 118 (4), 373-80
PubMed 18606917
Publications 2007
Communication of medical images, text, and messages in inter-enterprise systems: a case study in Norway
IEEE Trans Inf Technol Biomed, 11 (1), 7-13
PubMed 17249398
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
PubMed 17501720
Clinical and echocardiographic assessment of the Medtronic Advantage aortic valve prosthesis: the Scandinavian multicentre, prospective study
Heart, 93 (4), 500-5
PubMed 17065186
Early prediction of infarct size by strain Doppler echocardiography after coronary reperfusion
J Am Coll Cardiol, 49 (16), 1715-21
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
PubMed 16487846
Reduced left ventricular function in hypoxemic newborn pigs: a strain Doppler echocardiographic study
Pediatr Res, 59 (5), 630-5
PubMed 16627872
Grading of myocardial dysfunction by tissue Doppler echocardiography: a comparison between velocity, displacement, and strain imaging in acute ischemia
J Am Coll Cardiol, 47 (8), 1672-82
PubMed 16631008
Mechanisms behind the postprandial increase in cardiac output: a clue obtained from transplanted hearts
Eur J Appl Physiol, 97 (5), 516-20
PubMed 16718506
Publications 2005
Interaction between left ventricular wall motion and intraventricular flow propagation in acute and chronic ischemia
Am J Physiol Heart Circ Physiol, 289 (2), H732-7
PubMed 15849233
New noninvasive method for assessment of left ventricular rotation: speckle tracking echocardiography
Circulation, 112 (20), 3149-56
PubMed 16286606
Myocardial strain analysis in acute coronary occlusion: a tool to assess myocardial viability and reperfusion
Circulation, 112 (25), 3901-10
PubMed 16365210
Regional myocardial work by strain Doppler echocardiography and LV pressure: a new method for quantifying myocardial function
Am J Physiol Heart Circ Physiol, 288 (5), H2375-80
PubMed 15637114
Publications 2004
Detection of ischemia and new insight into left ventricular physiology by strain Doppler and tissue velocity imaging: assessment during coronary bypass operation of the beating heart
J Am Soc Echocardiogr, 17 (12), 1225-33
PubMed 15562259
Tissue Doppler imaging for the diagnosis of coronary artery disease
Curr Opin Cardiol, 19 (5), 421-9
PubMed 15316447
Publications 2003
[Transcatheter closure of atrial septal defects in the oval fossa]
Tidsskr Nor Laegeforen, 123 (15), 2052-4
PubMed 12934130
N-terminal proatrial natriuretic peptide in primary care: relation to echocardiographic indices of cardiac function in mild to moderate cardiac disease
Int J Cardiol, 89 (2-3), 197-205
PubMed 12767543
Strain rate imaging: why do we need it?
J Am Coll Cardiol, 42 (9), 1584-6
PubMed 14607442
Publications 2002
Quantification of left ventricular systolic function by tissue Doppler echocardiography: added value of measuring pre- and postejection velocities in ischemic myocardium
Circulation, 105 (17), 2071-7
PubMed 11980687
Postsystolic shortening in ischemic myocardium: active contraction or passive recoil?
Circulation, 106 (6), 718-24
PubMed 12163433
Publications 2001
Increase in anti-inflammatory cytokine levels in chronic heart failure: A measure of treatment success or failure? Response
Circulation, 104 (18), E97-E98
Regional myocardial systolic function during acute myocardial ischemia assessed by strain Doppler echocardiography
J Am Coll Cardiol, 37 (3), 726-30
PubMed 11693743
[Immunomodulating treatment in advanced heart failure--effect of intravenous immunoglobulin]
Tidsskr Nor Laegeforen, 121 (16), 1902-7
PubMed 11488180
Immunomodulating therapy with intravenous immunoglobulin in patients with chronic heart failure
Circulation, 103 (2), 220-5
PubMed 11208680
Reduction of left ventricular mass by lisinopril and nifedipine in hypertensive renal transplant recipients: a prospective randomized double-blind study
Transplantation, 72 (1), 107-11
PubMed 11468543
Myocardial performance after transmyocardial revascularization with CO(2)laser. A dobutamine stress echocardiographic study
Eur J Echocardiogr, 2 (3), 187-96
PubMed 11882452
Publications 2000
Acute regional myocardial ischemia identified by 2-dimensional multiregion tissue Doppler imaging technique
J Am Soc Echocardiogr, 13 (11), 986-94
PubMed 11093100
Publications 1999
Reversal of intraventricular flow propagation during isovolumic relaxation: A marker of anterior wall dysfunction
J Am Soc Echocardiogr, 12 (10), 801-10
PubMed 10511648
[Late complications after treatment of Hodgkin's disease]
Tidsskr Nor Laegeforen, 119 (7), 933-7
PubMed 10210953
Left atrial volumes assessed by three- and two-dimensional echocardiography compared to MRI estimates
Int J Card Imaging, 15 (5), 397-410
PubMed 10595406
Diastolic flow pattern in the normal left ventricle
J Am Soc Echocardiogr, 12 (6), 500-7
PubMed 10359922
Left atrial volumes assessed by three- and two-dimensional echocardiography compared to MRI estimates
Int. J. Card. Imaging, 15 (5), 397-410
Publications 1998
Pregnancy in heart and heart-lung transplant recipients
Acta Obstet Gynecol Scand, 77 (5), 574-6
PubMed 9654184
[Constrictive pericarditis illustrated by an unusual case report]
Tidsskr Nor Laegeforen, 118 (27), 4217-21
PubMed 9857805
Publications 1997
Hemodynamic characterization of the CarboMedics mitral valve prosthesis
J Heart Valve Dis, 6 (2), 115-22
PubMed 9130117
Post-transplant hyperlipidaemia: low-dose lovastatin lowers atherogenic lipids without plasma accumulation of lovastatin
J Intern Med, 242 (6), 483-90
PubMed 9437409
Left ventricular mass assessed by three-dimensional echocardiography using rotational acquisition
Clin Cardiol, 20 (11), 957-62
PubMed 9383590
Publications 1996
Surgical elimination of an atrial septal aneurysm causing cerebral embolism
Ann Thorac Surg, 62 (4), 1190-2
PubMed 8823114
Cardiac findings in generalized lipodystrophy
Acta Paediatr., 85 413, 39-43
Cardiac findings in generalized lipodystrophy
Acta Paediatr Suppl, 413, 39-43
PubMed 8783771
Increased risk of heart valve regurgitation after mediastinal radiation for Hodgkin's disease: an echocardiographic study
Heart, 75 (6), 591-5
PubMed 8697163
Cardiopulmonary sequelae after treatment for Hodgkin's disease: increased risk in females?
Ann Oncol, 7 (3), 257-64
PubMed 8740789
The influence of atrioventricular conduction and heart rate on the pulmonary venous flow pattern
J Am Soc Echocardiogr, 9 (2), 129-34
PubMed 8849608
Publications 1995
[Hypercholesterolemia--a clinical problem in heart transplantation. A therapeutic trial with low-dose lovastatin]
Tidsskr Nor Laegeforen, 115 (3), 357-9
PubMed 7855835
A new color M-mode index of diastolic filling compared with radionuclide ventriculography
Int J Cardiol, 48 (1), 89-95
PubMed 7744542
Intraventricular early diastolic velocity profile during acute myocardial ischemia: a color M-mode Doppler echocardiographic study
J Am Soc Echocardiogr, 8 (3), 270-9
PubMed 7640020
Publications 1994
Repeatability of colour M-mode Doppler measurements of left ventricular filling
Int J Cardiol, 43 (1), 79-85
PubMed 8175223
Repeatability of measurements of pulmonary venous flow indices
Int J Cardiol, 47 (2), 169-75
PubMed 7721486
Abnormalities of left ventricular filling in patients with coronary artery disease: assessment by colour M-mode Doppler technique
Eur Heart J, 15 (3), 318-27
PubMed 8013503
Intracavitary filling pattern in the failing left ventricle assessed by color M-mode Doppler echocardiography
J Am Coll Cardiol, 24 (3), 663-70
PubMed 8077536
Visual assessment of intra ventricular flow from colour M-mode Doppler images
Int J Card Imaging, 10 (4), 279-87
PubMed 7722349
Publications 1993
Intraventricular early diastolic filling during acute myocardial ischemia, assessment by multigated color m-mode Doppler echocardiography
Circulation, 88 (6), 2705-13
PubMed 8252682
Publications 1992
Hemodynamic evaluation of the CarboMedics prosthetic heart valve in the aortic position: comparison of noninvasive and invasive techniques
Am Heart J, 123 (1), 151-9
PubMed 1729819
Publications 1991
[Results of 6 1/2 years of heart transplantation at Rikshospitalet]
Tidsskr Nor Laegeforen, 111 (3), 302-5
PubMed 2000608
Publications 1990
Cardiac output measured by Doppler echocardiography in patients with aortic prosthetic valves
Eur Heart J, 11 (5), 399-402
PubMed 2354701
Reproducibility of echocardiographic estimates of the area of stenosed aortic valves using the continuity equation
Int J Cardiol, 26 (3), 349-54; discussion 355-9
PubMed 2312203
Publications 1989
INTEROBSERVER VARIABILITY OF THE AORTIC ORIFICE AREA MEASURED BY ECHOCARDIOGRAPHY
J CARDIOVASC TECHNOL, 8 (1), 75-78
Publications 1988
[Cardiac output measured by Doppler echocardiography]
Tidsskr Nor Laegeforen, 108 (19-21), 1509-12
PubMed 3388388
REPRODUCIBILITY OF TRANSMITRAL FLOW VELOCITY PARAMETERS MEASURED BY PULSED DOPPLER ECHOCARDIOGRAPHY
J CARDIOVASC ULTRAS, 7 (3), 257-261
Effects of beta-adrenergic blockade on left ventricular relaxation and filling dynamics in coronary artery disease: a pulsed Doppler echocardiographic study
Eur Heart J, 9 (11), 1167-74
PubMed 2906870
May non-invasive methods replace catheterization in quantification of aortic stenosis?
Eur Heart J, 9 Suppl E, 101-4
PubMed 3042401
3 YEARS EXPERIENCE WITH HEART AND HEART-LUNG TRANSPLANTATION IN NORWAY
Transplant. Proc., 20 (3), 459-461
Three years' experience with heart and heart-lung transplantation in Norway
Transplant Proc, 20 (3), 459-61
PubMed 3132768
Publications 1987
Cardiac stroke volume during exercise measured by Doppler echocardiography: comparison with the thermodilution technique and evaluation of reproducibility
Br Heart J, 58 (5), 455-9
PubMed 3676035
Reproducibility of cardiac stroke volume estimated by Doppler echocardiography
Am J Cardiol, 59 (9), 975-8
PubMed 3565287
[Severe chronic heart insufficiency. NYHA (New York Heart Association) stage III-IV. Aspects of treatment]
Tidsskr Nor Laegeforen, 107 (27), 2297-300
PubMed 3445233
Quantification of mitral regurgitation by Doppler echocardiography
Eur Heart J, 8 Suppl C, 59-62
PubMed 3678248
Publications 1986
Optimal atrioventricular delay in physiological pacing determined by Doppler echocardiography
Pacing Clin Electrophysiol, 9 (1 Pt 1), 17-20
PubMed 2419850
[Heart and lung transplantation in Eisenmenger's syndrome]
Tidsskr Nor Laegeforen, 106 (34-36), 2965-7
PubMed 3101225
Analysis of methodology for quantifying mitral regurgitation by Doppler echocardiography
Herz, 11 (6), 327-31
PubMed 3817724
Estimation of the peak-to-peak pressure gradient in aortic stenosis by Doppler echocardiography
Int J Cardiol, 10 (3), 192-212
PubMed 3957467
ESTIMATION OF THE PEAK-TO-PEAK PRESSURE-GRADIENT IN AORTIC-STENOSIS BY DOPPLER ECHOCARDIOGRAPHY
Int. J. Cardiol., 10 (3), 197-212
Measurement of aortic regurgitation by Doppler echocardiography
Br Heart J, 55 (1), 32-8
PubMed 3947478
Publications 1985
Changes in left ventricular stroke volume measured by Doppler echocardiography
Br Heart J, 54 (4), 378-83
PubMed 4052278
Significance of a positive exercise ECG in middle-aged and old athletes as judged by echocardiographic, radionuclide and follow-up findings
Eur Heart J, 6 (7), 615-24
PubMed 2995035
Aortic regurgitation associated with ventricular septal defects in adults. Clinical course, haemodynamic, angiographic and echocardiographic findings
Acta Med Scand, 218 (1), 85-96
PubMed 4050554
Measurement of mitral regurgitation by Doppler echocardiography
Br Heart J, 54 (4), 384-91
PubMed 4052279
Doppler echocardiographic measurement of cardiac output using the mitral orifice method
Br Heart J, 53 (2), 130-6
PubMed 3966956
Publications 1984
DIFFERENT EFFECTS OF NITROGLYCERIN AND NITROPRUSSIDE ON MYOCARDIAL BLOOD-FLOW AND METABOLISM
Scand. J. Clin. Lab. Invest., 44 173, 75-79
Different effects of nitroglycerin and nitroprusside on myocardial blood flow and metabolism
Scand J Clin Lab Invest Suppl, 173, 75-9
PubMed 6442005
Determination of cardiac output by Doppler echocardiography
Br Heart J, 51 (1), 54-60
PubMed 6689921
Evaluation of potential adverse effects of sodium nitroprusside during pacing-induced myocardial ischaemia in man
Eur Heart J, 5 (10), 834-41
PubMed 6499856
Potential deleterious haemodynamic effects of glyceryl trinitrate on myocardial ischaemia in man
Br Heart J, 52 (5), 510-5
PubMed 6437422
Effect of adrenaline on myocardial oxygen consumption during selective and non-selective beta-adrenoceptor blockade comparison of atenolol and pindolol
Eur J Clin Pharmacol, 27 (1), 29-34
PubMed 6489425
Publications 1983
Myocardial lactate metabolism during pacing induced angina pectoris
Scand J Clin Lab Invest, 43 (1), 1-7
PubMed 6622963
Reproducibility of ischaemic lactate metabolism during atrial pacing in man
Cardiology, 70 (4), 177-83
PubMed 6640558
HEMODYNAMIC AND METABOLIC EFFECTS OF TIMOLOL (BLOCADREN) ON ISCHEMIC MYOCARDIUM
ACTA MED SCAND, 213 (5), 393-398
Haemodynamic and metabolic effects of timolol (Blocadren) on ischaemic myocardium
Acta Med Scand, 213 (5), 393-8
PubMed 6880861
Publications 1982
EFFECTS OF BED REST AND PRAZOSIN IN CONGESTIVE HEART-FAILURE
ACTA MED SCAND, 212 (3), 131-136
Effects of red rest and prazosin in congestive heart failure
Acta Med Scand, 212 (3), 131-6
PubMed 7148503
Publications 1981
LOSS OF PRAZOSIN EFFECT IN SEVERE CHRONIC CHF
ACTA MED SCAND (652), 149-154
Loss of prazosin effect in severe chronic CHF
Acta Med Scand Suppl, 652, 149-54
PubMed 6949461
Publications 1978
[Intravenous nitroglycerin infusion in acute myocardial infarct]
Tidsskr Nor Laegeforen, 98 (30), 1505-8
PubMed 103241
Publications 1976
[Temporary pacemaker treatment in a central hospital]
Tidsskr Nor Laegeforen, 96 (28), 1477-9
PubMed 982374
[Duration of function of the pacemaker]
Tidsskr Nor Laegeforen, 96 (28), 1476-7
PubMed 982373
Publications 1975
Procainamide in acute myocardial infarction: a study on two different tablet preparations of sustained release type
Curr Ther Res Clin Exp, 18 (5), 720-6
PubMed 812650
Procainamide in plasma following administration of sustained-release tablets in acute myocardial infarction
Curr Ther Res Clin Exp, 17 (3), 257-62
PubMed 805020
[Hepatitis epidemic in a narcotic community]
Tidsskr Nor Laegeforen, 95 (34-36), 1961-2
PubMed 174238
[Carotid sinus syndrome. 3 cases treated with pacemaker]
Tidsskr Nor Laegeforen, 95 (19-21), 1155-6, 1166
PubMed 1166426
Publications 1974
[Alkyl phosphate poisoning. A case of Lebaycid (Fenthion) poisoning]
Tidsskr Nor Laegeforen, 94 (19), 1251-3
PubMed 4602576
[Runaway-phenomena in pacemaker treatment]
Tidsskr Nor Laegeforen, 94 (33), 2315-6
PubMed 4439390
[ECG-recording with a portable tape recorder]
Tidsskr Nor Laegeforen, 94 (21-22), 1306-7
PubMed 4409573




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