Results 111 to 120 of about 1,069,911 (295)

Myocardial Contraction Frequency and Onset of Cardiac Glycoside Action [PDF]

, 1971
Jan Koch‐Weser
openalex   +1 more source

Myocardial Contraction Fraction is Superior to Ejection Fraction in Predicting Functional Capacity in Patients with Heart Failure with Reduced Ejection Fraction. [PDF]

J Saudi Heart Assoc, 2022
Abdellatif YA, Addow HA, Elias RR.
europepmc   +1 more source

Fish Swim Bladder‐Derived ECM Hydrogels Effectively Treat Myocardial Ischemic Injury through Immunomodulation and Angiogenesis

Advanced Science, EarlyView.
A unique hydrogel based on extracellular matrix from fish swim bladder, which is suitable for transcatheter delivery and possesses remarkable reparative capabilities for treating heart failure, is developed. It emerges as a multi‐effect factor profoundly influencing inflammation regulation, angiogenesis, and myocardial metabolism.
Yulong Fu, Canran Gao, Hailing Zhang, Jing Liu, Boxuan Li, Wei Chen, Xiuping Chen, Xue Lin, Ligang Fang, Zhihong Wang   +9 more
wiley   +1 more source

A Multiphysics Biventricular Cardiac Model: Simulations With a Left-Ventricular Assist Device

Frontiers in Physiology, 2018
Computational models have become essential in predicting medical device efficacy prior to clinical studies. To investigate the performance of a left-ventricular assist device (LVAD), a fully-coupled cardiac fluid-electromechanics finite element model was
Azam Ahmad Bakir, Amr Al Abed, Michael C. Stevens, Michael C. Stevens, Nigel H. Lovell, Socrates Dokos   +5 more
doaj   +1 more source

An integrated heart-torso electromechanical model for the simulation of electrophysiogical outputs accounting for myocardial deformation [PDF]

arXiv
When generating in-silico clinical electrophysiological outputs, such as electrocardiograms (ECGs) and body surface potential maps (BSPMs), mathematical models have relied on single physics, i.e. of the cardiac electrophysiology (EP), neglecting the role of the heart motion.
arxiv  

Left Ventricular Pressure-Volume Alterations and Regional Disorders of Contraction During Myocardial Ischemia Induced by Atrial Pacing [PDF]

, 1970
Edward M. Dwyer
openalex   +1 more source

Novel Electroactive Therapeutic Platforms for Cardiac Arrhythmia Management

Advanced Science, EarlyView.
Electroactive platforms offer promising applications in cardiac arrhythmia. Based on their energy sources and mechanisms, electroactive platforms are categorized into i) direct electrical stimulation, ii) self‐powered electroactive systems, iii) physical stimuli‐mediated electroactive systems, and iv) conductive systems, and their applications in ...
Juwei Yang, Longfei Li, Yiran Hu, Zhou Li, Wei Hua   +4 more
wiley   +1 more source

Synchronous force and Ca2+ measurements for repeated characterization of excitation-contraction coupling in human myocardium

Communications Biology
Dysfunctional Ca2+ signaling affects the myocardial systole and diastole, may trigger arrhythmia and cause transcriptomic and proteomic modifications in heart failure.
Zhengwu Sun, Kun Lu, Christine Kamla, Petra Kameritsch, Thomas Seidel, Andreas Dendorfer   +5 more
doaj   +1 more source

Elucidating the cellular determinants of the end-systolic pressure-volume relationship of the heart via computational modelling [PDF]

arXiv
The left ventricular end-systolic pressure-volume relationship (ESPVr) is a key indicator of cardiac contractility. Despite its established importance, several studies suggested that the mechanical mode of contraction, such as isovolumetric or ejecting contractions, may affect the ESPVr, challenging the traditional notion of a single, consistent ...
arxiv  

Editorial: Mechano-Calcium, Mechano-Electric, and Mechano-Metabolic Feedback Loops: Contribution to the Myocardial Contraction in Health and Diseases. [PDF]

Front Physiol, 2021
Peyronnet R, Solovyova O, Iribe G, Katsnelson LB.   +3 more
europepmc   +1 more source