Results 21 to 30 of about 379,519 (353)

A parallel interaction potential approach coupled with the immersed boundary method for fully resolved simulations of deformable interfaces and membranes [PDF]

open access: yes, 2016
In this paper we show and discuss the use of a versatile interaction potential approach coupled with an immersed boundary method to simulate a variety of flows involving deformable bodies.
de Tullio, Marco D   +6 more
core   +3 more sources

Right ventricular failure and pathobiology in patients with congenital heart disease – implications for long-term follow-up

open access: yesFrontiers in Pediatrics, 2013
Right ventricular dysfunction represents a common problem in patients with congenital heart defects, such as Tetralogy of Fallot or pulmonary arterial hypertension.
Doreen eKöhler   +3 more
doaj   +1 more source

MEF2C regulates outflow tract alignment and transcriptional control of Tdgf1 [PDF]

open access: yes, 2016
Congenital heart defects are the most common birth defects in humans, and those that affect the proper alignment of the outflow tracts and septation of the ventricles are a highly significant cause of morbidity and mortality in infants.
Barnes, Ralston M.   +9 more
core   +1 more source

Pro-Arrhythmic Effects of Discontinuous Conduction at the Purkinje Fiber-Ventricle Junction Arising From Heart Failure-Induced Ionic Remodeling – Insights From Computational Modelling

open access: yesFrontiers in Physiology, 2022
Heart failure is associated with electrical remodeling of the electrical properties and kinetics of the ion channels and transporters that are responsible for cardiac action potentials.
Kun Jian   +5 more
doaj   +1 more source

Structure-based finite strain modelling of the human left ventricle in diastole [PDF]

open access: yes, 2013
Finite strain analyses of the left ventricle provide important information on heart function and have the potential to provide insights into the biomechanics of myocardial contractility in health and disease. Systolic dysfunction is the most common cause
Bishop   +38 more
core   +2 more sources

Variable extent of parallelism in respiratory, circulatory, and neurological traits across lake whitefish species pairs

open access: yesEcology and Evolution, 2013
Parallel adaptive radiation events provide a powerful framework for investigations of ecology's contribution to phenotypic diversification. Ecologically driven divergence has been invoked to explain the repeated evolution of sympatric dwarf and normal ...
Melissa L. Evans   +3 more
doaj   +1 more source

Anatomicosurgical segmentectomy of the left ventricle for systematized partial resection of the heart: an experimental study

open access: yesBrazilian Journal of Cardiovascular Surgery, 1998
A surgical experimental investigation is being carried out in an attempt to provide a viable alternative to the current approaches to cardiac resection of the left ventricular myocardium in cases of cardiomyopathies with dilated ventricle.
Liberato John Alphonse DI DIO   +7 more
doaj   +1 more source

An algorithm for partitioning of right heart ventricle medial axis

open access: yesMathematical Modelling and Analysis, 2010
A right heart ventricle has a complex and irregular shape, this obscures analysis of ventricle surface movements. We are trying to quantitative evaluate morphological changes of right ventricle surface, these changes appear during heart beat cycle ...
Mantas Paulinas, Mečislavas Meilūnas
doaj   +1 more source

Simulation of left ventricular function during dyskinetic or akinetic aneurysm

open access: yesBiomolecules & Biomedicine, 2012
The purpose of our study was to simulate the hemodynamics of left ventricular function after left ventricular aneurysm (LVA) of various sizes and to validate the results of this computer based simulation with patient data.
Matjaž Sever   +2 more
doaj   +1 more source

Features of speckle tracking echocardiography for diagnosis of myocardial dysfunction [PDF]

open access: yesКардиоСоматика, 2021
Despite the undoubted success in the diagnosis of heart failure using echocardiography, the issue of detecting diastolic dysfunction of the left ventricle of the heart in the early stages remains insufficiently studied.
Olesia V. Gritsenko   +2 more
doaj   +1 more source

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