Results 1 to 10 of about 2,688,635 (294)

Long-Term Outcomes of Bioprosthetic and Mechanical Valve Replacement for Patients Aged between 50 and 70 Years [PDF]

Reviews in Cardiovascular Medicine, 2023
Background: The choice between bioprosthetic and mechanical valves for aortic valve replacement (AVR) and mitral valve replacement (MVR) among patients aged 50–70 years is controversial.
Wei Zhao, Zhongli Chen, Sipeng Chen, Junzhe Du, Heng Zhang, Yan Zhao, Li He, Wei Feng, Hansong Sun, Zhe Zheng   +9 more
doaj   +2 more sources

Predictors of Use and Outcomes of Mechanical Valve Replacement in the United States (2008–2017)

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2021
Background Contemporary nationwide data on the use, predictors, and outcomes of mechanical valve replacement in patients less than 70 years of age are limited.
Mohamad Alkhouli, Fahad Alqahtani, Trevor Simard, Sorin Pislaru, Hartzell V. Schaff, Rich A. Nishimura   +5 more
doaj   +3 more sources

Mechanical valve replacement in adults with Fontan physiology is an effective palliation in selected patients [PDF]

International Journal of Cardiology Congenital Heart Disease
Background: Valve regurgitation is associated with systemic ventricular dysfunction and mortality in patients with Fontan palliation. Valve repair and valve replacement with bioprostheses have limited durability, and outcomes after valve replacement with
Amr Moustafa, Ahmed T. Abdelhalim, William R. Miranda, Heidi M. Connolly, Elizabeth H. Stephens, Joseph A. Dearani, Alexander C. Egbe   +6 more
doaj   +2 more sources

Ventricular assist device implantation in children with a mechanical valve: An ACTION registry analysis [PDF]

JHLT Open
Background: Patients with congenital heart disease (CHD) frequently have had valve interventions, including replacement with a mechanical valve (mechV).
Sabena F. Hussain, MD, MSc, Elyse Miller, MD, Othman Aljohani, MBBS, MPH, Scott Auerbach, MD, David Bearl, MD, Victor Benvenuto, MD, Erica Bonura, MD, Richard L. Crawford, Anna Joong, MD, Jameson Dyal, MD, Christina Hartje-Dunn, MD, Sujit Jana, MD, Sonia Kaushal, MD, Melanie Lynn, MD, Joseph Spinner, MD, Laura Radel, MD, Alexander Raskin, MD, Diana Torpoco-Rivera, MD, Sarah J. Wilkens, MD, MPH, Chet R. Villa, MD   +19 more
doaj   +2 more sources

Elementary Mechanics of the Mitral Valve [PDF]

SIAM Journal on Applied Mathematics, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ambrosi D., Deorsola L., Turzi S., Zoppello M.   +3 more
openaire   +2 more sources

Sealing Structure Optimization Of LNG Ultra-Low Temperature And High-Pressure Axial Flow Check Valve

Journal of Applied Science and Engineering, 2022
To research the influence of high-speed collision between the valve core and valve seat on sealing performance in the closing process of check valve, the collision between the valve core and valve seat during the check valve closing process was ...
Shuxun Li, Wenyu Kang, Taiyu Liu, Lingxia Yang, YixueWang   +4 more
doaj   +1 more source

The Effect of Safety Signs on the Monitoring of Conflict and Erroneous Response

Frontiers in Psychology, 2022
The safety sign is important in our daily life and workplace to prevent potential safety issues. However, it remains undetermined whether the safety signs would influence the cognitive control ability of the people, which serves to guide the behaviors in
Linfeng Hu, Linfeng Hu, Linfeng Hu, Dingzhong Feng, Yelang Li, Jinwu Xu, Jiehui Zheng, Jiehui Zheng   +7 more
doaj   +1 more source

Computational fluid dynamics analysis and extended adaptive hybrid functions model-based design optimization of an explosion-proof safety valve

Engineering Applications of Computational Fluid Mechanics, 2022
Extremely complex flow channels and multi-parameter, highly nonlinear thermal fluid–structure interactions are the main factors restricting the exploration mechanism and optimal design of explosion-proof valves.
Chaoyong Zong, Qingye Li, Kunpeng Li, Xueguan Song, Dianjing Chen, Xiaofeng Li, Xuebin Wang   +6 more
doaj   +1 more source

Patient–Prosthesis Mismatch in Contemporary Small-Size Mechanical Prostheses Does Not Impact Survival at 10 Years

Journal of Cardiovascular Development and Disease, 2022
Background: The effect of PPM in mechanical prostheses on long-term survival is not well-established. Methods: Patients who received a 21 mm or smaller aortic valve between 2000 and 2011 were retrospectively analyzed (n = 416).
Horea Feier, Mihaela Mocan, Andrei Grigorescu, Lucian Falnita, Marian Gaspar, Constantin-Tudor Luca   +5 more
doaj   +1 more source

Quality of life in sexagenarians after aortic biological vs mechanical valve replacement: a single-center study in China

Journal of Cardiothoracic Surgery, 2020
Objective This article aimed to study the quality of life and anxiety of sexagenarian patients who underwent aortic biological vs mechanical valve replacement in a single center in China.
Li-Wen Wang, Ning Xu, Shu-Ting Huang, Liang-Wan Chen, Hua Cao, Qiang Chen   +5 more
doaj   +1 more source