Results 141 to 150 of about 92,781 (271)

Stochastic Modelling and Dynamic Analysis of Cardiovascular System with Rotary Left Ventricular Assist Devices [PDF]

Mathematical Problems in Engineering, 2018, 2018
The left ventricular assist device (LVAD) has been used for end-stage heart failure patients as a therapeutic option. The aortic valve plays a critical role in heart failure and its treatment with LVAD. The cardiovascular-LVAD model is often used to investigate the physiological demands required by patients and predict the hemodynamic of the native ...
arxiv  

Modified ‘dumbbell' technique: a simple and intuitive method to position balloon-expandable stent valves [PDF]

, 2017
Intraoperative cardiac imaging plays a key role during transcatheter aortic valve replacement. In recent years, new techniques and new tools for improved image quality and virtual navigation have been proposed, in order to simplify and standardize stent ...
Berdajs, Denis, Ferrari, Enrico, Niclauss, Lars, von Segesser, Ludwig Karl   +3 more
core  

Refractory heart failure due to acquired aortic coarctation after total arch replacement: find the right antidote!

ESC Heart Failure, Volume 12, Issue 3, Page 2391-2395, June 2025.
Abstract A 31‐year‐old male presented with unexplainable symptoms of heart failure including recurrent fatigue and orthopnoea after total arch replacement for type A aortic dissection 2 months ago. Computed tomography angiography detected a severe intra‐luminal stenosis, and we successfully implanted a balloon‐expandable stent to dilate the stenosis ...
Yi Xie, Chen Lu, Jia Hu
wiley   +1 more source

Cardiogenic Shock Due to Late Chimney Stent Failure Following Valve-in-Valve Transcatheter Aortic Valve Replacement

JACC: Case Reports, 2019
Although the safety of valve-in-valve transcatheter aortic valve replacement has improved, coronary ostium obstruction remains a significant complication, with chimney stenting a possible solution to circumvent this complication. In this case, we discuss
Daniel Nour, MBBS, Usaid Allahwala, MBBS, BSc, Peter Hansen, MBBS, PhD, DDU, Peter Brady, MBBS, Christopher Choong, MBBChir, PhD, DDU, Ravinay Bhindi, MBBS, MSc, PhD   +5 more
doaj  

Hemodynamic effects of intra- and supra- deployment locations for a bio-prosthetic aortic valve [PDF]

arXiv
Aortic valve replacement is a key surgical procedure for treating aortic valve pathologies, such as stenosis and regurgitation. The precise placement of the prosthetic valve relative to the native aortic annulus plays a critical role in the post-operative hemodynamics.
arxiv  

Prediction of Optimal Deployment Projection for Transcatheter Aortic Valve Replacement [PDF]

, 2012
Ronald K. Binder, Jonathon Leipsic, David A. Wood, Teri Moore, Stefan Toggweiler, Alex Willson, Ronen Gurvitch, Mélanie Freeman, John G. Webb   +8 more
openalex   +1 more source

Comparison of incidence, prevalence and death of aortic stenosis and aortic insufficiency in a nationwide Korean study

ESC Heart Failure, Volume 12, Issue 3, Page 2245-2255, June 2025.
Abstract Aims Few studies have examined the incidence, prevalence, survival rate and death risk for non‐rheumatic and rheumatic aortic stenosis (AS; RAS), aortic insufficiency (AR; RAR) and aortic stenosis with insufficiency (ASAR; RASAR). This study aims to identify the epidemiology of AS, AR, ASAR, RAS, RAR and RASAR.
Shin Yi Jang, Sung‐Ji Park, Eun Kyoung Kim, Seung Woo Park   +3 more
wiley   +1 more source

Robotic transcatheter tricuspid valve replacement with hybrid enhanced intelligence: a new paradigm and first-in-vivo study [PDF]

arXiv
Transcatheter tricuspid valve replacement (TTVR) is the latest treatment for tricuspid regurgitation and is in the early stages of clinical adoption. Intelligent robotic approaches are expected to overcome the challenges of surgical manipulation and widespread dissemination, but systems and protocols with high clinical utility have not yet been ...
arxiv  

Infective Endocarditis in the Transcatheter Aortic Valve Replacement Era: Comprehensive Review of a Rare Complication [PDF]

, 2012
Alon Eisen, Yaron Shapira, Alex Sagie, Ran Kornowski   +3 more
openalex   +1 more source

Transcriptomic Signature of Frailty in Older Patients With Cardiovascular Disease Undergoing Cardiac Surgery or TAVI

Journal of Cachexia, Sarcopenia and Muscle, Volume 16, Issue 3, June 2025.
ABSTRACT Background Deterioration of functional capacity mostly determinates frailty in older patients with cardiovascular disease (CVD). Elucidating the pathophysiological mechanisms of physical frailty is an important goal for improving functional health‐related outcomes. Our objective was the determination of the transcriptomic signature of physical
Omar Baritello, Simon H. Sündermann, Kristian Espinosa‐Garnica, Jörg Kempfert, Markus Jähnert, Nick L. Beetz, Dominik Geisel, Jasmin Gaugel, Julia Rominger, Ursula Müller‐Werdan, Catrin Herpich, Kristina Norman, Alexandra Chadt, Hadi Al‐Hasani, Heinz Völler, Annett Salzwedel, Heike Vogel   +16 more
wiley   +1 more source