Results 71 to 80 of about 49,590 (306)

Modeling the Mitral Valve [PDF]

arXiv, 2022
This thesis is concerned with modeling and simulation of the mitral valve, one of the four valves in the human heart. The valve is composed of leaflets attached to a ring, the free edges of which are supported by a system of chordae, which themselves are anchored to muscles inside the heart.
arxiv  

Off-pump transapical balloon-expandable aortic valve endoprosthesis implantation [PDF]

, 2009
OBJECTIVE: The aortic valve replacement is a routine procedure, and involves replacement of the native valve/prosthesis. In most of the patients who undergo such procedure the risk is acceptable, but in some cases, such risk can justify contraindication.
Buffolo, Enio, Ferreira, Carolina Baeta Neves Duarte, Fischer, Claudio Henrique, Fonseca, José Honório de Almeida Palma da, Gaia, Diego Felipe, Guilhen, José Cícero Stocco, Souza, José Augusto Marcondes de, Telis, Andre   +7 more
core   +4 more sources

The Impact of a New “Inverted Arch” Prosthetic Annuloplasty Ring on the Mitral Valve’s 3-D Motion: An Experimental Ex-Vivo Study

Bioengineering, 2019
This experimental study aimed to evaluate the ex-vivo three-dimensional (3-D) motion of the Inverted Arch Ring (IAR), an innovative new design concept for a flexible incomplete annuloplasty prosthesis with an incorporated stabilizing rigid arch that can ...
Philippe Caimmi, Emmanouil Kapetanakis, Carla Beggino, Giovanni Vacca, Elena Grossini, Florian Stratica, Roberto Sacco, Andrea Capponi   +7 more
doaj   +1 more source

Emergently Alteration of Procedural Strategy During Transcatheter Aortic Valve Replacement to Prevent Coronary Occlusion: A Case Report

Frontiers in Cardiovascular Medicine, 2022
BackgroundCoronary occlusion is an uncommon but fatal complication of transcatheter aortic valve replacement (TAVR) with a poor prognosis.Case PresentationA patient with symptomatic severe bicuspid aortic valve stenosis was admitted to a high-volume ...
Hanyi Dai, Hanyi Dai, Dao Zhou, Dao Zhou, Jiaqi Fan, Lihan Wang, Abuduwufuer Yidilisi, Abuduwufuer Yidilisi, Gangjie Zhu, Gangjie Zhu, Jubo Jiang, Huajun Li, Xianbao Liu, Xianbao Liu, Jian’an Wang, Jian’an Wang   +15 more
doaj   +1 more source

Transcatheter aortic valve-in-valve implantation of a CoreValve in a JenaValve prosthesis: a case report

Journal of Medical Case Reports, 2017
Background Transcatheter aortic valve implantation has become an accepted treatment modality for inoperable or high-risk surgical patients with symptomatic severe aortic stenosis.
Shahram Lotfi, Michael Becker, Ajay Moza, Rüdiger Autschbach, Nikolaus Marx, Jörg Schröder   +5 more
doaj   +1 more source

CT-angiography-based evaluation of the aortic annulus for prosthesis sizing in transcatheter aortic valve implantation (TAVI)-predictive value and optimal thresholds for major anatomic parameters. [PDF]

PLoS ONE, 2014
BACKGROUND/OBJECTIVES:To evaluate the predictive value of CT-derived measurements of the aortic annulus for prosthesis sizing in transcatheter aortic valve implantation (TAVI) and to calculate optimal cutoff values for the selection of various prosthesis
Florian Schwarz, Philipp Lange, Dominik Zinsser, Martin Greif, Peter Boekstegers, Christoph Schmitz, Maximilian F Reiser, Christian Kupatt, Hans C Becker   +8 more
doaj   +1 more source

Hedinger Syndrome—Lessons Learnt: A Single-Center Experience

Journal of Cardiovascular Development and Disease, 2023
Background: Hedinger syndrome (HS) or carcinoid heart disease (CD) is a rare and challenging manifestation of malignant neuroendocrine tumours (NETs) involving the heart.
Mohamed El Gabry, Sven Arends, Sharaf-Eldin Shehada, Harald Lahner, Markus Kamler, Daniel Wendt, Konstantina Spetsotaki   +6 more
doaj   +1 more source

Risk factors for paravalvular leak after transcatheter aortic valve replacement [PDF]

, 2019
Objective. To assess risk factors for paravalvular leak (PVL) after transcatheter aortic valve implantation (TAVI) in a large single-center cohort, including measurement of aortic valve calcification using a reproducible method. Methods.
Pollari, Francesco
core  

Predictors for New-Onset Complete Heart Block After Transcatheter Aortic Valve Implantation [PDF]

, 2010
ObjectivesThe aim of this study was to identify risk factors for new-onset atrioventricular (AV) block requiring pacemaker (PM) implantation after transcatheter aortic valve implantation (TAVI).BackgroundHigh-grade AV block and consecutive PM ...
Bauernschmitt, Robert, Bleiziffer, Sabine, Brockmann, Gernot, Geisbüsch, Sarah, Hutter, Andrea, Hörer, Jürgen, Lange, Rüdiger, Mazzitelli, Domenico, Ruge, Hendrik   +8 more
core   +1 more source