Results 51 to 60 of about 2,899,304 (242)

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

Fabrication and In Vitro Characterization of a Tissue Engineered PCL-PLLA Heart Valve

Scientific Reports, 2018
Heart valve diseases are among the leading causes of cardiac failure around the globe. Nearly 90,000 heart valve replacements occur in the USA annually. Currently, available options for heart valve replacement include bioprosthetic and mechanical valves,
A. Hasan, S. Soliman, Fatima El Hajj, Y. Tseng, H. Yalcin, Hany E. Marei   +5 more
semanticscholar   +1 more source

Figure-8 Tachycardia Confined to the Anterior Wall of the Left Atrium [PDF]

, 2004
Incisional atrial tachycardias have been described most frequently in patients with previous corrective surgery for congenital heart defects and mitral valve disease.
Jönsson, Anders, Liuba, Ioan, Walfridsson, Håkan   +2 more
core   +1 more source

Supra‐annular structure assessment for self‐expanding transcatheter heart valve size selection in patients with bicuspid aortic valve

Catheterization and cardiovascular interventions, 2018
To explore assessment of supra‐annular structure for self‐expanding transcatheter heart valve (THV) size selection in patients with bicuspid aortic stenosis (AS).
Xianbao Liu, Yuxin He, Qifeng Zhu, F. Gao, Wei He, Lei Yu, Qi-jing Zhou, M. Kong, Jian’an Wang   +8 more
semanticscholar   +1 more source

Impact Fatigue Characteristics of Valve Leaves for Small Hermetic Reciprocating Compressors [PDF]

, 2010
This paper presents an investigation on the impact fatigue characteristics of valve leaves that are prevalently used in hermetic reciprocating compressors especially for the household type refrigerators.
Altunlu, A. Can, Kara, Serkan, Lazoglu, Ismail, Oguz, Emre   +3 more
core   +3 more sources

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

Apical access and closure devices for transapical transcatheter heart valve procedures. [PDF]

, 2016
The majority of transcatheter aortic valve implantations, structural heart procedures and the newly developed transcatheter mitral valve repair and replacement are traditionally performed either through a transfemoral or a transapical access site ...
Ferrari, E.
core   +2 more sources

Can We Grow Valves Inside the Heart? Perspective on Material-based In Situ Heart Valve Tissue Engineering

Frontiers in Cardiovascular Medicine, 2018
In situ heart valve tissue engineering using cell-free synthetic, biodegradable scaffolds is under development as a clinically attractive approach to create living valves right inside the heart of a patient.
C. Bouten, A. Smits, F. Baaijens
semanticscholar   +1 more source

Artificial Heart Valves [PDF]

JAMA, 2021
Tom C. Nguyen, William C. Frankel
openaire   +3 more sources

Pressure Acquisition System for In Vitro Mitral Valve Analysis [PDF]

, 2018
In vitro testing of the mitral valve chordae tendineae is utilized to aid in the understanding of the stresses that occur in vivo and improve upon surgical solutions that exist for mitral valve repair.
Peck, Laura
core   +2 more sources