Results 211 to 220 of about 95,640 (249)
Some of the next articles are maybe not open access.
Clinics in Perinatology, 1991
A review of the English literature reveals considerable disagreement regarding the cardiovascular hemodynamics of preeclampsia as measured by both noninvasive and invasive techniques. In the untreated patient, most of the data suggest the presence of low CO, low PCWP, and elevated SVR as compared to normotensive pregnancy.
Baha M. Sibai, William C. Mabie
openaire +2 more sources
A review of the English literature reveals considerable disagreement regarding the cardiovascular hemodynamics of preeclampsia as measured by both noninvasive and invasive techniques. In the untreated patient, most of the data suggest the presence of low CO, low PCWP, and elevated SVR as compared to normotensive pregnancy.
Baha M. Sibai, William C. Mabie
openaire +2 more sources
Hemodynamics in Hemofiltration
1986To study the established but not well understood phenomenon of improved intratreatment vascular stability during hemofiltration the same 10 stable hemodialysis patients were investigated during one hemodialysis and one hemofiltration treatment. Both treatments were matched in regard to linear fluid withdrawal (3 kg/240 minutes), small molecule removal ...
Stanley Shaldon +4 more
openaire +5 more sources
Computers and Biomedical Research, 1996
A numerical simulation of hemodynamics in blood vessels with 0-75% dilation is made. A transient UVP finite element method (FEM) and a stable time integration scheme, based on a predictor-corrector strategy, with constant error monitoring are employed in the flow analysis. The pulsatile flow is analyzed without any assumptions in nonlinear terms and is
K. B. Naidu, B. V. Rathish Kumar
openaire +3 more sources
A numerical simulation of hemodynamics in blood vessels with 0-75% dilation is made. A transient UVP finite element method (FEM) and a stable time integration scheme, based on a predictor-corrector strategy, with constant error monitoring are employed in the flow analysis. The pulsatile flow is analyzed without any assumptions in nonlinear terms and is
K. B. Naidu, B. V. Rathish Kumar
openaire +3 more sources
Comprehensive Physiology, 2016
ABSTRACTA review is presented of the physical principles governing the distribution of blood flow and blood pressure in the vascular system. The main factors involved are the pulsatile driving pressure generated by the heart, the flow characteristics of blood, and the geometric structure and mechanical properties of the vessels.
openaire +2 more sources
ABSTRACTA review is presented of the physical principles governing the distribution of blood flow and blood pressure in the vascular system. The main factors involved are the pulsatile driving pressure generated by the heart, the flow characteristics of blood, and the geometric structure and mechanical properties of the vessels.
openaire +2 more sources
Hemodynamics and atherosclerosis
Experimental and Molecular Pathology, 1974Atherosclerosis is an ubiquitous disease effecting degenerative, proliferative and atrophic changes in the vessel wall. Preoccupation with intramural lipid accumulation has been at the expense of studies concerning other aspects of atherosclerosis including the complications. The current view of the lipid hypothesis fails to explain the localization or
openaire +5 more sources
AACN Advanced Critical Care, 2006
Hemodynamics in sepsis change as sepsis develops. Initial hemodynamics of sepsis often are much different from later stages of sepsis, shifting from low cardiac output states to high cardiac output states. Tissue oxygenation also changes with initial mixed venous oxyhemoglobin (Svo2) or central venous oxyhemoglobin (Scvo2) levels below normal, with ...
openaire +3 more sources
Hemodynamics in sepsis change as sepsis develops. Initial hemodynamics of sepsis often are much different from later stages of sepsis, shifting from low cardiac output states to high cardiac output states. Tissue oxygenation also changes with initial mixed venous oxyhemoglobin (Svo2) or central venous oxyhemoglobin (Scvo2) levels below normal, with ...
openaire +3 more sources
Anesthesiology Clinics, 2022
Several components of an Enhanced Recovery After Surgery (ERAS) pathway act to improve and simplify perioperative fluid and hemodynamic therapy. Modern perioperative fluid management has shifted away from the liberal fluid therapy and toward more individualized approaches.
W Brenton, French, Michael, Scott
openaire +2 more sources
Several components of an Enhanced Recovery After Surgery (ERAS) pathway act to improve and simplify perioperative fluid and hemodynamic therapy. Modern perioperative fluid management has shifted away from the liberal fluid therapy and toward more individualized approaches.
W Brenton, French, Michael, Scott
openaire +2 more sources
2015
The cardiovascular transport circuit is involved in both mass and heat transfer. It carries blood cells as well as oxygen and nutrients to cells of the body’s organs through the perfusing systemic arterial bed and wastes produced by working cells to their final destinations through draining veins.
openaire +3 more sources
The cardiovascular transport circuit is involved in both mass and heat transfer. It carries blood cells as well as oxygen and nutrients to cells of the body’s organs through the perfusing systemic arterial bed and wastes produced by working cells to their final destinations through draining veins.
openaire +3 more sources
Hemodynamics rounds: Hemodynamics of mitral valve interventions
Catheterization and Cardiovascular Interventions, 2020AbstractMitral valvulopathy presents as regurgitation, stenosis, or mixed disease and can occur in both native and prosthetic valves. Such disease develops in conjunction with pathophysiologic changes in the left atrium (LA) and drives changes in LA compliance, pressure, and thus clinical syndromes.
James W. Lloyd +2 more
openaire +3 more sources
The American Journal of Cardiology, 2000
Present adaptive-rate pacemakers use a range of sensors for implementation in open-loop and closed-loop control systems. Hemodynamic sensors that detect the mechanical action of the heart and blood flow offer additional features to implement physiologic rate adaption in rate-controlling systems and rate-limiting systems.
D R, Daum, B R, Jones, D J, Lang
openaire +2 more sources
Present adaptive-rate pacemakers use a range of sensors for implementation in open-loop and closed-loop control systems. Hemodynamic sensors that detect the mechanical action of the heart and blood flow offer additional features to implement physiologic rate adaption in rate-controlling systems and rate-limiting systems.
D R, Daum, B R, Jones, D J, Lang
openaire +2 more sources