Results 61 to 70 of about 711,742 (203)

Effects of rewarming with extracorporeal membrane oxygenation to restore oxygen transport and organ blood flow after hypothermic cardiac arrest in a porcine model

Scientific Reports, 2021
We recently documented that cardiopulmonary resuscitation (CPR) generates the same level of cardiac output (CO) and mean arterial pressure (MAP) during both normothermia (38 °C) and hypothermia (27 °C).
Jan Harald Nilsen, Torstein Schanche, Sergei Valkov, Rizwan Mohyuddin, Brage Haaheim, Timofei V. Kondratiev, Torvind Næsheim, Gary C. Sieck, Torkjel Tveita   +8 more
doaj   +1 more source

Prediction of Turbulent Shear Stresses through Dysfunctional Bileaflet Mechanical Heart Valves using Computational Fluid Dynamics

, 2018
There are more than 300,000 heart valves implanted annually worldwide with about 50% of them being mechanical valves. The heart valve replacement is often a common treatment for severe valvular disease.
Gamage, Peshala T., Khalili, Fardin, Mansy, Hansen   +2 more
core   +1 more source

Impaired coronary blood flow at higher heart rates during atrial fibrillation: investigation via multiscale modelling [PDF]

, 2019
Background. Different mechanisms have been proposed to relate atrial fibrillation (AF) and coronary flow impairment, even in absence of relevant coronary artery disease (CAD). However, the underlying hemodynamics remains unclear.
Anselmino, Matteo, Gallo, Caterina, Ridolfi, Luca, Saglietto, Andrea, Scarsoglio, Stefania   +4 more
core   +2 more sources

Clinical Utility of Echocardiography in Former Preterm Infants with Bronchopulmonary Dysplasia. [PDF]

, 2020
BackgroundThe clinical utility of echocardiography for the diagnosis of pulmonary vascular disease (PVD) in former preterm infants with bronchopulmonary dysplasia (BPD) is not established.
Fineman, Jeffrey R, Guslits, Elyssa, Keller, Roberta L, Nawaytou, Hythem, Steurer, Martina A, Teitel, David, Zhao, Yili   +6 more
core   +1 more source

Numerical Study of the Blood Flow in a Deformable Human Aorta

Applied Sciences, 2019
In this work, we present a numerical investigation of blood flow in a portion of the human vascular system. More precisely, the present work analyzed the blood flow in the upper portion of the aorta.
Marwa Selmi, Hafedh Belmabrouk, Abdullah Bajahzar   +2 more
doaj   +1 more source

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Blood flow measured by electromagnetic flow meter to determine cardiac ...
Collings, W. D.
core   +1 more source

A coupled mitral valve -- left ventricle model with fluid-structure interaction

, 2017
Understanding the interaction between the valves and walls of the heart is important in assessing and subsequently treating heart dysfunction. With advancements in cardiac imaging, nonlinear mechanics and computational techniques, it is now possible to ...
Brown, André EX, Ch'ng, Quee-Lim, Currie, Michael, Grundy, Laura J, Hokanson, Jim, Javer, Avelino, Kerr, Rex, Lee, Chee Wai, Li, Chris, Li, Kezhi, Schafer, William R, Yemini, Eviatar   +11 more
core   +3 more sources

Acute cardiac inflammatory responses to postischemic reperfusion during cardiopulmonary bypass [PDF]

, 1999
Objectives: The investigation centers on whether there is a reperfusion-induced specific cardiac inflammatory reaction after bypass surgery. Background: Cardiopulmonary bypass (CPB) leads to systemic inflammation.
Becker, Bernhard F., Hartl, Heinz, Hähnel, Christoph, Massoudy, Parwis, Meisner, Hans, Zahler, Stefan   +5 more
core   +1 more source

Link between Yoga and Heart Rate Variability: Can Yoga Enhance the Cardiac Resonance

International Journal of Yoga
Cardiac resonance is a complicated phenomenon involving the coordinated oscillations of numerous circulatory system components, such as electrical activity, contraction and relaxation, and blood flow.
Swati Kumari, Pooja Nadholta, Neelam Dahiya, Arun Sharma, Harpreet Singh, Sunil Kumar, Gurmeet Singh   +6 more
doaj   +1 more source

Age‐Related Changes of Normal Cerebral and Cardiac Blood Flow in Children and Adults Aged 7 Months to 61 Years

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2016
BackgroundCerebral and cardiac blood flow are important to the pathophysiology and development of cerebro‐ and cardiovascular diseases. The purpose of this study was to investigate the age dependence of normal cerebral and cardiac hemodynamics in ...
Can Wu, Amir R. Honarmand, Susanne Schnell, Ryan Kuhn, Samantha E. Schoeneman, Sameer A. Ansari, James Carr, Michael Markl, Ali Shaibani   +8 more
doaj   +1 more source