Search Results - "Tyberg, J V"

Increased testicular blood flow maintains oxygen delivery and avoids testicular hypoxia in response to reduced oxygen content in inspired air by Rizzoto, G., Hall, C., Tyberg, J. V., Thundathil, J. C., Caulkett, N. A., Kastelic, J. P.

“…Despite a long-standing assertion that mammalian testes operate near hypoxia and increased testicular temperature causes frank hypoxia, we have preliminary…”
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Left ventricular pacing minimizes diastolic ventricular interaction, allowing improved preload-dependent systolic performance by BLEASDALE, R. A, TURNER, M. S, MUMFORD, C. E, STEENDIJK, P, PAUL, V, TYBERG, J. V, MORRIS-THURGOOD, J. A, FRENNEAUX, M. P

“…Left ventricular (LV) pacing improves hemodynamics in patients with heart failure. We hypothesized that at least part of this benefit occurs by minimization of…”
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Why does pulmonary venous pressure rise after onset of LV dysfunction: a theoretical analysis by Burkhoff, D, Tyberg, J V

“…One of the most important consequences of acute left ventricular dysfunction (LVD) is pulmonary edema resulting from a rise in pulmonary venous pressure (PVP)…”
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The Effect of a Venous Filter on the Embolic Load During Medullary Canal Pressurization: A Canine Study by Mohanty, K, Powell, J.N, Musso, D, Traboulsi, M, Belenkie, I, Mullen, J.B.M, Tyberg, J.V

“…BackgroundAcute intramedullary stabilization of femoral shaft fractures in multiply injured patients is controversial. Intravasation of medullary fat during…”
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Testicular hyperthermia increases blood flow that maintains aerobic metabolism in rams by Rizzoto, G, Hall, C, Tyberg, J V, Thundathil, J C, Caulkett, N A, Kastelic, J P

“…There is a paradigm that testicular hyperthermia fails to increase testicular blood flow and that an ensuing hypoxia impairs spermatogenesis. However, in our…”
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Diastolic ventricular interaction in chronic heart failure by Atherton, J J, Moore, T D, Lele, S S, Thomson, H L, Galbraith, A J, Belenkie, I, Tyberg, J V, Frenneaux, M P

“…Diastolic ventricular interaction describes a situation in which the volume of one ventricle is directly influenced by the volume of the other ventricle. Such…”
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Quantitative assessment of independent contributions of pericardium and septum to direct ventricular interaction by Baker, A E, Dani, R, Smith, E R, Tyberg, J V, Belenkie, I

“…In the intact animal, it is difficult to discriminate between the independent effects of series and direct ventricular interaction (DI) or the individual…”
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Ventricular interaction: from bench to bedside by Belenkie, I, Smith, E R, Tyberg, J V

“…Decreased right ventricle (RV) output results in decreased left ventricle end-diastolic volume (LVEDV) and output by series interaction. Direct ventricular…”
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Effects of ischemia on left ventricular apex rotation : an experimental study in anesthetized dogs by KROEKER, C. A. G, TYBERG, J. V, BEYAR, R

“…Left ventricular (LV) twist has been defined as the counterclockwise rotation of the ventricular apex with respect to the base during systole. We recently…”
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Effects of load manipulations, heart rate, and contractility on left ventricular apical rotation : an experimental study in anesthetized dogs by KROEKER, C. A. G, TYBERG, J. V, BEYAR, R

“…Left ventricular twist or torsion has been defined as the counterclockwise rotation of the ventricular apex with respect to the base during systole. We have…”
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Effects of volume loading during experimental acute pulmonary embolism by BELENKIE, I, DANI, R, SMITH, E. R, TYBERG, J. V

“…Volume loading is used to treat hemodynamically compromised patients with acute pulmonary embolism despite data to suggest that volume loading after embolism…”
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An optical device to measure the dynamics of apex rotation of the left ventricle by Gibbons Kroeker, C A, Ter Keurs, H E, Knudtson, M L, Tyberg, J V, Beyar, R

“…Systolic counterclockwise rotation of the left ventricular apex with respect to the base has been defined as left ventricular (LV) twist or torsion. If…”
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Ventricular interaction and septal deformation: a model compared with experimental data by Beyar, R, Dong, S J, Smith, E R, Belenkie, I, Tyberg, J V

“…Diastolic ventricular interaction is associated with septal shift and deformation, the consequences of which have not been fully assessed. A model was…”
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Endografting of the Descending Thoracic Aorta Increases Ascending Aortic Input Impedance and Attenuates Pressure Transmission in Dogs by Dobson, G., Flewitt, J., Tyberg, J.V., Moore, R., Karamanoglu, M.

“…Endografting is being used to manage aneurysms, dissections and acute traumatic disruptions of the thoracic aorta. The acute effects of such interventions on…”
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Left ventricular wall thickness and regional systolic function in patients with hypertrophic cardiomyopathy : a three-dimensional tagged magnetic resonance imaging study by SHENG-JING DONG, MACGREGOR, J. H, CRAWLEY, A. P, MCVEIGH, E, BELENKIE, I, SMITH, E. R, TYBERG, J. V, BEYAR, R

“…Regional performance of the hypertrophied left ventricle (LV) in hypertrophic cardiomyopathy (HCM) is still incompletely characterized with studies variably…”
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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…”
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Dynamics of left ventricular Apex rotation during angioplasty : A sensitive index of ischemic dysfunction by KNUDTSON, M. L, GALBRAITH, P. D, HILDEBRAND, K. L, TYBERG, J. V, BEYAR, R

“…Apex rotation has been shown to provide a reliable index of the dynamics of left ventricular (LV) twist. In this study, we aimed to characterize twist at…”
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Effects of aortic constriction during experimental acute right ventricular pressure loading : further insights into diastolic and systolic ventricular interaction by BELENKIE, I, HORNE, S. G, DANI, R, SMITH, E. R, TYBERG, J. V

“…Acute right ventricular (RV) hypertension may result in hemodynamic collapse. The associated reduction in left ventricular (LV) end-diastolic volume is thought…”
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Ventricular interaction during experimental acute pulmonary embolism by BELENKIE, I, DANI, R, SMITH, E. R, TYBERG, J. V

“…Although stroke volume may decrease markedly after acute pulmonary embolism, left ventricular end-diastolic pressure (LVEDP) usually changes very little, which…”
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Effects of diastolic transseptal pressure gradient on ventricular septal position and motion by KINGMA, I, TYBERG, J. V, SMITH, E. R

“…Despite the clinical prevalence of paradoxic interventricular septal (IVS) motion, its pathogenesis remains unclear. To assess the influence of the…”
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