Results 81 to 90 of about 71,121 (177)

Obesity and Transcatheter Aortic Valve Replacement

Journal of Cardiovascular Development and Disease
Amidst an aging population and escalating obesity prevalence, elucidating the impact of obesity on transcatheter aortic valve replacement (TAVR) outcomes becomes paramount. The so-called “obesity paradox”—a term denoting the counterintuitive association of obesity, typically a risk factor for cardiovascular diseases, with improved survival outcomes in ...
Jiyoung Seo, Amrin Kharawala, Pawel Borkowski, Nikita Singh, Harriet Akunor, Sanjana Nagraj, Dimitrios V. Avgerinos, Damianos G. Kokkinidis   +7 more
openaire   +3 more sources

Advancing aortic stenosis assessment: validation of fluid-structure interaction models against 4D flow MRI data [PDF]

arXiv
Systematic in vivo validations of computational models of the aortic valve remain scarce, despite successful validation against in vitro data. Utilizing a combination of computed tomography and 4D flow magnetic resonance imaging data, we developed patient-specific fluid-structure interaction models of the aortic valve immersed in the aorta for five ...
arxiv  

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  

An echocardiographic comparison of sutureless and conventional aortic valve replacement : a matched case-control study [PDF]

, 2018
Background: Patients at a high operative risk for conventional aortic valve replacement (AVR) may be offered sutureless valve implantation. Sutureless valves resemble conventional valves but incorporate an anchoring mechanism without using annular ...
Camilleri, Liberato, Casha, Aaron R., Galea, Joseph, Gauci, Marilyn, Manche, Alexander, Santucci, Stephanie, Yamagata, Kentaro   +6 more
core   +1 more source

Anesthetic considerations of percutaneous transcatheter aortic valve implantation: first attempt in Korea -A report of 2 cases- [PDF]

, 2011
Conventional aortic valve replacement for severe aortic stenosis is associated with a high operative mortality in the elderly patients with significant comorbidities, including severe respiratory dysfunction, renal insufficiency, and compromised cardiac ...
American College of Cardiology/American Heart Association Task Force on Practice Guidelines, Bauer, Billings, Brown, Chiam, Covello, Cribier, Dae Kee Choi, Eun Ho Lee, Hwa Mi Lee, Hyo Jung Son, In Cheol Choi, Ji Hyun Chin, Ji Yeon Sim, Klein, Leon, Nashef, Otto   +17 more
core   +2 more sources

Robust automated calcification meshing for biomechanical cardiac digital twins [PDF]

arXiv
Calcification has significant influence over cardiovascular diseases and interventions. Detailed characterization of calcification is thus desired for predictive modeling, but calcified heart meshes for physics-driven simulations are still often reconstructed using manual operations.
arxiv  

Anatomical and procedural features associated with aortic root rupture during balloon-expandable transcatheter aortic valve replacement [PDF]

, 2013
Aortic root rupture is a major concern with balloon-expandable transcatheter aortic valve replacement (TAVR). We sought to identify predictors of aortic root rupture during balloon-expandable TAVR by using multidetector computed ...
Alqoofi, F, Barbanti, M, Binder, Rk, Blanke, P, Canovas, Sj, Colombo, A, de Brito FS, Jr, Feuchtner, G, Freeman, M, Gurtvich, R, Hansson, Nc, Jilaihawi, H, Kapadia, S, Kodali, S, Latib, A, Leipsic, J., Leon, Mb, Makkar, Rr, Min, J, Napodano, Massimo, Nguyen, G, Norgaard, Bl, Pache, G, Pelletier, M, Raju, R, Ribeiro, Hb, Rod\ue8s Cabau, J, Tamburino, C, Tarantini, Giuseppe, Ussia, Gp, Webb, Jg, Wood, Da, Yang, Th, Zhang, H   +33 more
core   +1 more source

Aortic root landmark localization with optimal transport loss for heatmap regression [PDF]

arXiv
Anatomical landmark localization is gaining attention to ease the burden on physicians. Focusing on aortic root landmark localization, the three hinge points of the aortic valve can reduce the burden by automatically determining the valve size required for transcatheter aortic valve implantation surgery.
arxiv  

Fluid dynamics of aortic root dilation in Marfan syndrome [PDF]

Journal of Biomechanics, 47, (2014) 3120-3128, 2014
Aortic root dilation and propensity to dissection are typical manifestations of the Marfan Syndrome (MS), a genetic defect leading to the degeneration of the elastic fibres. Dilation affects the structure of the flow and, in turn, altered flow may play a role in vessel dilation, generation of aneurysms, and dissection.
arxiv  

3D Printing-Assisted Energy Loss Testing of Artificial Aortic Heart Valves [PDF]

arXiv, 2019
With the development of additive manufacturing, 3D printing technology has become more common nowadays. We designed and 3D printed a cost-effective liquid fluid pressure measurement device that can convert liquid pressure to air pressure. Air pressure was measured by a low-cost manometer in this study.
arxiv