Last ubdate 31.01.03 Hans Torp
Under construction!!!
1983 - 1997
[A1] B. Angelsen, E. Bøen, H. Torp, and K. Kristoffersen, “A new 16-channel multigated Doppler with full spectral analysis,” presented at 5th Symposium on Echocardiology, Rotterdam, 1983.
[A2] D. Linker, T. Skjærpe, S. Samstad, O. Rossvold, J. Chapman, H. Torp, K. Kristoffersen, and B. A. J. Angelsen, “Color Flow Mapping with an annular array transducer: An approach integrated with continuous wave and pulsed Doppler in adult and pediatric patients,” presented at Int. Card. Doppler Soc, 2nd annual meeting, Kyoto, Japan, 1986.
[A3] D. Linker, B. Angelsen, E. Johansen, H. C. Lønnstad, and H. Torp, “Computer analysis of 2D ultrasound Tissue and Flow Images,” presented at 3rd Int. Congress on Cardiac Doppler, Cologne, 1987.
[A4] O. Sæther, A. Brubakk, D. Linker, E. Johansen, H. C. Lønnstad, H. Torp, and B. Angelsen, “Study of the velocity profiles in stenoted carotid arteries,” presented at 3rd Int. Congress on Cardiac Doppler, Cologne, 1987.
[A5] S. Samstad, H. Torp, D. Linker, O. Rossvold, and T. Skjærpe, “Instantaneous flow velocity profiles from raw color flow data applied to early mitral flow in normals,” presented at Int. Card. Doppler Soc., 3rd annual scientific meeting, Køln, Germany, 1987.
[A6] S. Samstad, H. Torp, D. Linker, O. Rossvold, and T. Skjærpe, “Analysis of raw color flow mapping data: A new approach to mapping of velocity flow profiles applied to mitral diastolic flow,” presented at 7th symposium on Echocardiology, Rotterdam, The Nederlands, 1987.
[A7] D. Linker, M. Os, S. Slørdahl, H. Torp, and B. A. J. Angelsen, “Volumetric flow calculated using digital two-dimensional ultrasonic Doppler flow data: Validation in Vitro,” presented at Am. Heart. Ass., 1988.
[A8] D. Linker, H. Torp, Å. Grønningsæther, O. Sæther, S. Slørdahl, P. G. Yock, and B. A. J. Angelsen, “Instantaneous arterial flow estimated with an ultrasound imaging and Doppler catheter,” presented at Am. Heart. Ass., 1989.
[A9] O. Rossvold, S. Samstad, H. Torp, D. Linker, T. Skjærpe, B. Angelsen, and L. Hatle, “The cross sectional velocity profile in the left ventricular outflow tract in normals is skewed,” presented at Journal of the American Society of Echocardiography, 1989.
[A10] D. Linker, H. Torp, K. A. Berg, E. Bøen, S. E. Skjelbred, and B. Angelsen, “A system for digital collection of continous wave and pulsed spectra and two-dimensional Doppler data for research applications,” presented at 4th Int. Congress on Cardiac Doppler, Anaheim, USA, 1989.
[A11] S. Samstad, H. Torp, D. Linker, O. Rossvold, T. Skjærpe, E. Johannesen, K. Kristoffersen, B. Angelsen, and L. Hatle, “Cross-sectional instantaneous flow velocity profiles by two-dimensional Doppler ultrasound applied to early mitral flow in normals,” presented at Am. Heart Ass., 61th meeting, Washington DC, 1989.
[A12] H. Torp, K. Kristoffersen, and B. Angelsen, “Color flow mapping as a multi hypothesis detection problem,” presented at 8th Symposium on Echocardiology, Rotterdam, The Netherlands, 1989.
[A13] S. Samstad, H. Torp, K. Matre, O. Rossvold, D. Linker, T. Skjærpe, H. Piene, and L. Hatle, “Instantaneous cross-sectional flow velocity profiles: A comparative study of two methods based on pulsed Doppler ultrasound in pulsatile flow,” presented at Journal of the American Society of Echocardiography, 1989.
[A14] S. Samstad, H. Torp, O. Rossvold, and L. Hatle, “Cross sectional flow velocity profiles by two-dimensional (color coded) Doppler ultrasound applied to early mitral flow in patients with mitral regurgitation or mitral stenosis,” presented at 5th Int. Con. Card. Doppler, Trondheim, Norway, 1990.
[A15] W. Fehske, H. Torp, K. Schipper, U. Kohler, and B. Luderitz, “Computer analysis of mitral valve incompetence jets with special respect to relative signal amplitude in color coded Doppler recordings,” presented at 5th congress of Int. Cardiac Doppler Soc., Trondheim, Norway, 1990.
[A16] S. Samstad, H. Torp, O. Rossvold, and L. Hatle, “Cross sectional flow velocity profiles by two-dimensional (color coded) Doppler ultrasound applied to early mitral flow in patients with mitral regurgitation or mitral stenosis,” presented at J. Am. Soc. of Echo., 1990.
[A17] S. Slørdahl, H. Torp, and B. A. J. Angelsen, “Volumetric flow from color m-mode in a cardiovascular hydromechanical model,” presented at 5th congress of the Int. Cardiac Doppler Society, 1990.
[A18] W. Williams, H. Torp, B. Angelsen, and D. Linker, “Velocity profiles in the neonatal pulmonary artery,” presented at XIIth Congress of European Soc. of Cardiology, Stockholm, Sweeden, 1990.
[A19] W. Williams, H. Torp, B. Angelsen, and D. Linker, “Velocity profiles in the neonatal aorta, pulmonary artery, and tricuspic valve,” presented at 5th congress of Int. Cardiac Doppler Soc., Trondheim, Norway, 1990.
[A20] B. Angelsen, S. Slørdahl, J. E. Solbakken, H. Torp, and D. Linker, “Noninvasive estimation of aortic complience and peripheral resistance from cuff measurements of blood pressure, and Doppler measurement of aortic flow,” presented at 5th congress of Int. Cardiac Doppler Soc., Trondheim, Norway, 1990.
[A21] S. Samstad, H. Torp, O. Rossvold, T. Skjærpe, and L. Hatle, “Interobserver and Intraobserver Variation of Cross Sectional Early Mitral flow Velocity Profiles from color Doppler,” presented at American Heart Association, Dallas, Texas, 1990.
[A22] R. Wiseth, S. Samstad, O. Rossvold, H. Torp, T. Skjærpe, and L. Hatle, “Cross sectional left ventricular outflow tract velocities before and after aortic valve replacement: A comparative study with two-dimensional Doppler ultrasound,” presented at Am. Coll. Cardiol. 40th annual scientific session, Atlanta, Georgia, 1991.
[A23] O. Eftedal, R. Mohammadi, M. Rouhani, H. Torp, and A. O. Brubakk, “Computer real-time detection of intravascular bubbles,” , 1994.
[A24] H. Torp, “New Developments in Doppler Signal Processing,” presented at EuroDop-94, Oxford, England, 1994. Invited presentation
[A25] H. Torp, S. Dørum, E. Holm, E. Steen, K. Kristoffersen, K. A. Berg, H. J. Alker, and B. Olstad., “Real-time Three Dimensional Echocardiography for assessment of valvular function,” presented at 11th Symposium on Echocardiology, Rotterdam, The Netherlands, 1995.
[A26] H. Torp, K. Kristoffersen, D. Saetre, E. Nilsen, and H. Nummedal, “Velocity matched spectrum analysis: An improved method for pulsed wave Doppler sonogram display,” presented at 11th Symposium on Echocardiology, Rotterdam, The Netherlands, 1995.
[A27] K. Bjørnstad, J. Mæhle, S. Aakhus, and H. Torp, “Evaluation of reference systems for describing regional left ventricular wall motion abnormalities by using 3-dimensional endocardial surface reconstruction.,” presented at European society of cardiology, Amsterdam, The Nederlands, 1995.
[A28] J. Mæhle, S. Aakhus, K. Bjørnstad, and H. Torp, “How many apical imaging planes should be used for determination of left ventricular volumes by three-dimensional echocardiography,” presented at 11th Symposium on Echocardiology, Rotterdam, The Netherlands, 1995.
[A29] A. Gronningsaeter, J. Kirkhorn, and H. Torp, “Vessel Wall and Blood Classification in Intravascular Ultrasound Imaging,” presented at 6th International Symposium on Quantitative Coronary Imaging, Rotterdam, the Netherlands, June, 1995.
[A30] K. Bjørnstad, J. Mæhle, S. Aakhus, and H. Torp, “Quantitative Indices of global left ventricular shape and and function derived from three-dimensional echocardiographic reconstruction of endocardial surface in patients with and without myocardial infarction,” presented at European Society of Cardiology, Birmingham - England, 1996.
[A31] J. Mæhle, S. Aakhus, K. Bjørnstad, and H. Torp, “How many echocardiographic views should be used to determine left ventricular dimensions and shape from three-dimensional reconstruction of endocardial surface?,” presented at European Society of Cardiology, Birmingham - England, 1996.
[A32] D. Mele, E. Schwammenthal, C. Fratola, I. Pedini, H. Torp, F. Alboni, and R. Levine, “An objective technique for appying the PISA method to quantitate mitral regurgitation: Initial clinical studies using the digital flow map,” presented at European Society of Cardiology, Birmingham - England, 1996.
[A33] S. Berg, S. Samstad, S. Bjærum, and H. Torp, “Quantitative Transthoracic Three-Dimensional (3D) Color Flow Imaging: A New Method Applied to Mitral Blood Flow,” presented at 12th Symposium on Echocardiology and 9th Meeting of the International Cardiac Doppler Society, Rotterdam, The Netherlands., 1997.
[A34] S. Samstad, S. Bjærum, and H. Torp, “Cross sectional flow velocity profiles from two-dimensional color Doppler recorded with high frame rate. A new method appied to mitral blood flow,” presented at 12th Symposium on Echocardiology and 9th Meeting of the International Cardiac Doppler Society, Rotterdam, The Netherlands., 1997.
[A35] A. Heimdal and H. Torp, “Tøyningsavbildning med ultralyd,” presented at Cardiologisk Vårmøte, Trondheim, 1997.
[A36] S. Samstad, S. Bjærum, and H. Torp, “Variability of E/A ratio of the mitral blood flow velocity pattern with the intravalvular site of velocity sampling,” presented at 12th Symposium on Echocardiology and 9th Meeting of the International Cardiac Doppler Society, Rotterdam, The Netherlands., 1997..