Search Results - "Smiseth, O. A."

Altered maternal left ventricular contractility and function during normal pregnancy by Estensen, M. E., Beitnes, J. O., Grindheim, G., Aaberge, L., Smiseth, O. A., Henriksen, T., Aakhus, S.

“…ABSTRACT Objectives To evaluate maternal left ventricular (LV) systolic and diastolic function during normal pregnancy by non‐invasive measures of LV…”
Get full text

Myocardial strain by doppler echocardiography : Validation of a new method to quantify regional myocardial function by URHEIM, S, EDVARDSEN, T, TORP, H, ANGELSEN, B, SMISETH, O. A

“…Myocardial strain is a measure of regional deformation, and by definition, negative strain means shortening and positive strain, elongation. This study…”
Get full text

Prognostic utility of the assessment of diastolic function in patients undergoing cardiac resynchronization therapy by Galli, E., Smiseth, O.A., Aalen, J.M., Larsen, C.K., Sade, E., Hubert, A., Anilkumar, S., Penicka, M., Linde, Cecilia, Le Rolle, V., Hernandez, A., Leclercq, C., Duchenne, J., Voigt, J.-U., Donal, E.

“…Conflicting data exist about the relationship between cardiac resynchronization therapy (CRT) and diastolic function. Aims of the study are to assess diastolic…”
Get full text

Wasted septal work in left ventricular dyssynchrony: a novel principle to predict response to cardiac resynchronization therapy by Vecera, J, Penicka, M, Eriksen, M, Russell, K, Bartunek, J, Vanderheyden, M, Smiseth, O A

“…Cardiac resynchronization therapy (CRT) in heart failure is limited by many non-responders. This study explores whether degree of wasted left ventricular (LV)…”
Get full text

Deceleration time of systolic pulmonary venous flow: a new clinical marker of left atrial pressure and compliance by Hunderi, J. O, Thompson, C. R, Smiseth, O. A

“…1 Institute for Surgical Research and Department of Cardiology, Rikshospitalet University Hospital, Oslo, Norway; and 2 St. Paul’s Hospital and University of…”
Get full text

Intraventricular early diastolic filling during acute myocardial ischemia : assessment by multigated color M-mode doppler echocardiography by STUGAARD, M, SMISETH, O. A, RISÖE, C, IHLEN, H

“…Color M-mode Doppler echocardiography has been suggested as a new noninvasive technique for assessing left ventricular diastolic function. The present study…”
Get full text

Left atrial hyper-strain in dyssynchronous hearts: potential driver for adverse left atrial remodelling by Hammersboen, L E R, Stugaard, M, Puvrez, A, Larsen, C K, Remme, E W, Kongsgaard, E, Duchenne, J, Galli, E, Khan, F H, Sletten, O J, Penicka, M, Donal, E, Voigt, J U, Aalen, J M, Smiseth, O A

“…Abstract Funding Acknowledgements Type of funding sources: Public hospital(s). Main funding source(s): Institute for Surgical Research, Oslo University…”
Get full text

The pulmonary venous systolic flow pulse—its origin and relationship to left atrial pressure by Smiseth, Otto A, Thompson, Christopher R, Lohavanichbutr, Kamol, Ling, Hilton, Abel, James G, Miyagishima, Robert T, Lichtenstein, Sam V, Bowering, John

“…OBJECTIVES The purpose of this study was to determine the origin of the pulmonary venous systolic flow pulse using wave-intensity analysis to separate forward-…”
Get full text

The role of echocardiography in quantification of left ventricular dyssynchrony: state of the art and future directions by Smiseth, Otto A, Russell, Kristoffer, Skulstad, Helge

“…This article discusses how echocardiography can be applied to quantify dyssynchrony in patients who are evaluated for cardiac resynchronization therapy (CRT)…”
Get full text

Mechanisms of retarded apical filling in acute ischemic left ventricular failure by STEINE, K, STUGAARD, M, SMISETH, O. A

“…We examined the hypothesis that retardation of apical filling as measured by color M-mode Doppler echocardiography in the diseased left ventricle (LV) reflects…”
Get full text

Importance of Systematic Right Ventricular Assessment in Cardiac Resynchronization Therapy Candidates: A Machine Learning Approach by Galli, Elena, Le Rolle, Virginie, Smiseth, Otto A., Duchenne, Jurgen, Aalen, John M., Larsen, Camilla K., Sade, Elif A., Hubert, Arnaud, Anilkumar, Smitha, Penicka, Martin, Linde, Cecilia, Leclercq, Christophe, Hernandez, Alfredo, Voigt, Jens-Uwe, Donal, Erwan

“…Despite all having systolic heart failure and broad QRS intervals, patients screened for cardiac resynchronization therapy (CRT) are highly heterogeneous, and…”
Get full text

Diastolic flow pattern in the normal left ventricle by Rodevand, O, Bjornerheim, R, Edvardsen, T, Smiseth, O A, Ihlen, H

“…This study sought to clarify the diastolic flow pattern in the normal left ventricle. During left ventricular filling, basally directed (retrograde) velocities…”
Get more information

Intracavitary filling pattern in the failing left ventricle assessed by color M-mode Doppler echocardiography by Stugaard, Marie, Risöe, Cecilie, Ihlen, Halfdan, Smiseth, Otto A.

“…Objectives. The present study aimed to investigate the mechanism of intracavitary changes in filling pattern during acute ischemic left ventricular failure and…”
Get full text

Increased cardiac expression of endothelin-1 mRNA in ischemic heart failure in rats by Tønnessen, Theis, Christensen, Geir, Øie, Erik, Holt, Even, Kjekshus, Harald, Smiseth, Otto A., Sejersted, Ole M., Attramadal, Håvard

“…Objectives: Plasma endothelin (ET) concentrations are increased in heart failure. The aims of the present study were to investigate to what extent cardiac ET…”
Get full text

The relationship between pericardial pressure and right atrial pressure: an intraoperative study by TYBERG, J. V, TAICHMAN, G. C, SMITH, E. R, DOUGLAS, N. W. S, SMISETH, O. A, KEON, W. J

“…The objective of this study was to determine the constraining effect of the normal human pericardium. Accordingly, immediately after thoracotomy in nine…”
Get full text

Assessment of left ventricular relaxation by Doppler echocardiography : comparison of isovolumic relaxation time and transmitral flow velocities with time constant of isovolumic relaxation by MYRENG, Y, SMISETH, O. A

“…Isovolumic relaxation time (IVRT) and events of early transmitral flow measured by Doppler echocardiography were validated against the time constant of left…”
Get full text

Regulation of hepatic vascular volume : Contributions from active and passive mechanisms during catecholamine and sodium nitroprusside infusion by KJEKSHUS, H, RISOE, C, SCHOLZ, T, SMISETH, O. A

“…It is unclear how the liver contributes to regulation of cardiac filling. The aims of this study were to establish an animal model to quantify hepatic vascular…”
Get full text

An ultrasound-based method for determining pulse wave velocity in superficial arteries by Rabben, Stein Inge, Stergiopulos, Nikos, Hellevik, Leif Rune, Smiseth, Otto A., Slørdahl, Stig, Urheim, Stig, Angelsen, Bjørn

“…In this paper, we present a method for estimating local pulse wave velocity (PWV) solely from ultrasound measurements: the area-flow (QA) method. With the QA…”
Get full text

Recommendations for the Evaluation of Left Ventricular Diastolic Function by Echocardiography by Nagueh, Sherif F., Appleton, Christopher P., Gillebert, Thierry C., Marino, Paolo N., Oh, Jae K., Smiseth, Otto A., Waggoner, Alan D., Flachskampf, Frank A., Pellikka, Patricia A., Evangelisa, Arturo

Get full text

Nitric oxide synthase inhibition reduces venous return in porcine endotoxemia by Saetre, T, Smiseth, O A, Scholz, T, Carlsen, H, Nordsletten, L, Fahlstrøm, E, Aasen, A O

“…Mechanisms of circulatory effects induced by nitric oxide synthase inhibition in endotoxemia were investigated in 36 pigs randomized to 1) endotoxin infusion…”
Get full text