Results 41 to 50 of about 205,483 (368)

Interactive-Automatic Segmentation and Modelling of the Mitral Valve [PDF]

open access: yes, 2019
Mitral valve regurgitation is the most common valvular disease, affecting 10% of the population over 75 years old. Left untreated, patients with mitral valve regurgitation can suffer declining cardiac health until cardiac failure and death. Mitral valve repair is generally preferred over valve replacement. However, there is a direct correlation between
arxiv   +1 more source

Computational fluid dynamics modelling of left valvular heart diseases during atrial fibrillation [PDF]

open access: yesPeerJ, 4: e2240, 2016, 2016
Although atrial fibrillation (AF), a common arrhythmia, frequently presents in patients with underlying valvular disease, its hemodynamic contributions are not fully understood. The present work aimed to computationally study how physical conditions imposed by pathologic valvular anatomy act on AF hemodynamics.
arxiv   +1 more source

The potential of mitral valve quantification in cardiovascular surgery

open access: yesAlʹmanah Kliničeskoj Mediciny, 2018
Objective: To identify specifics of mitral valve anatomy in patients with mitral insufficiency of various origin using the Mitral Valve Quantification (MVQ) technique for an optimal choice of mitral valve repair strategy. Materials and methods: The study
A. A. Tolstikhina   +5 more
doaj   +1 more source

Initial results of combined anterior mitral leaflet extension and myectomy in patients with obstructive hypertrophic cardiomyopathy [PDF]

open access: yes, 1996
Objectives. The purpose of this study was to describe the clinical and functional results of combined anterior mitral leaflet extension and myectomy in patients with hypertrophic obstructive cardiomyopathy. Background.
Boersma, H. (Eric)   +6 more
core   +1 more source

Heatmap-based 2D Landmark Detection with a Varying Number of Landmarks [PDF]

open access: yesarXiv, 2021
Mitral valve repair is a surgery to restore the function of the mitral valve. To achieve this, a prosthetic ring is sewed onto the mitral annulus. Analyzing the sutures, which are punctured through the annulus for ring implantation, can be useful in surgical skill assessment, for quantitative surgery and for positioning a virtual prosthetic ring model ...
arxiv  

Methods of estimation of mitral valve regurgitation for the cardiac surgeon

open access: yesJournal of Cardiothoracic Surgery, 2009
Mitral valve regurgitation is a relatively common and important heart valve lesion in clinical practice and adequate assessment is fundamental to decision on management, repair or replacement.
Baikoussis Nikolaos G   +1 more
doaj   +1 more source

Intraoperative evaluation of mitral valve regurgitation and repair by transesophageal echocardiography: Incidence and significance of systolic anterior motion [PDF]

open access: yes, 1992
Objectives. This study was designed to delineate the utility and results of intraoperative transesophageal echocardiography in the evaluation of patients undergoing mural valve repair for mitral regurgitation.Background.
Abel, Martin D.   +7 more
core   +1 more source

Transapical transcatheter mitral valve implantation with J-valve in patients with degenerated mitral bioprostheses

open access: yesBMC Cardiovascular Disorders, 2023
Background Due to the widespread application of bioprosthetic valve in the treatment of mitral valve disease in recent years, the incidence of valve failure has increased significantly, which is facing the need of reoperation.
Fan He   +5 more
doaj   +1 more source

Diffuse Alveolar Hemorrhage due to Acute Mitral Valve Regurgitation [PDF]

open access: yes, 2013
Diffuse alveolar hemorrhage (DAH) can be caused by several etiologies including vasculitis, drug exposure, anticoagulants, infections, mitral valve stenosis, and regurgitation.
Bukovskaya, Yana   +4 more
core   +3 more sources

A Computational Framework for Atrioventricular Valve Modeling using Open-Source Software [PDF]

open access: yesarXiv, 2022
Atrioventricular valve regurgitation is a significant cause of morbidity and mortality in patients with acquired and congenital cardiac valve disease. Image-derived computational modeling of atrioventricular valves has advanced substantially over the last decade and holds particular promise to inform valve repair in small and heterogeneous populations ...
arxiv  

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