Results 111 to 120 of about 3,753,947 (257)

Early structural valve deterioration of the Mitroflow biological valve prosthesis [PDF]

European Journal of Cardio-Thoracic Surgery, 2018
Nardi P, Bassano C, Pellegrino A, Ruvolo G.   +3 more
openaire   +3 more sources

Stochastic Entanglement of Deterministic Origami Tentacles For Robust Robotic Grasping

Advanced Science, EarlyView.
This study introduces an origami tentacle gripper to robustly grasp objects‐in air, underwater, and even in orbital space‐by exploiting a synergy between local, deterministic deformation programming and global, stochastic entanglements. A single origami tentacle can be designed to coil with a simple tendon pull.
Alec Boron, Bokun Zheng, Ziyang Zhou, Noel Naughton, Suyi Li   +4 more
wiley   +1 more source

Long‐Term Comparison Between Pulmonary Homograft Versus Bioprosthesis for Pulmonary Valve Replacement in Tetralogy of Fallot

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2019
Background Tetralogy of Fallot repair results in late occurrence of pulmonary regurgitation, which requires pulmonary valve replacement in a large proportion of patients.
Lucia Cocomello, Marco Meloni, Filippo Rapetto, Mai Baquedano, Maria Victoria Ordoñez, Giovanni Biglino, Chiara Bucciarelli‐Ducci, Andrew Parry, Serban Stoica, Massimo Caputo   +9 more
doaj   +1 more source

High‐Entropy Engineering and External Magnetic Field Modulation Synergistically Enhance the H2S Sensing Performance of Rare‐Earth Perovskite Ferrites

Advanced Science, EarlyView.
A novel high‐entropy perovskite oxide, (Gd0.2Tb0.2Dy0.2Ho0.2Er0.2)FeO3, was successfully synthesized for advanced hydrogen sulfide gas detection. By synergistically coupling high‐entropy‐induced local lattice distortion with weak magnetic field modulation, the tailored material generates abundant active sites. This innovative dual strategy dramatically
Yunfei Wang, Min Zhang, Rui Li, Xiaolong Yao, Zhaofeng Wu, Fengdong Qu, Shan Qiu, Zhenjiang Li   +7 more
wiley   +1 more source

Three-year outcomes of surgical valve replacement with Dafodil™ pericardial bioprosthesis: Dafodil™-1 trial

Frontiers in Cardiovascular Medicine
BackgroundThe Dafodil™-1 trial was designed to evaluate the clinical safety and performance of Dafodil™ pericardial bioprosthesis for replacing diseased native or prosthetic aortic or mitral valves in patients with advanced valvular heart disease (VHD ...
Channabasavaraj Shivalingaiah Hiremath, Anil R. Jain, Anurag Garg, Atul A. Maslekar, Nirmal K. Gupta, Binay Krishna Sarkar, Seetharama Bhat, Manish Porwal, Zile Singh Meharwal, Yugal Kishore Mishra, Prashanth Vaijyanath, Vijay Grover, Shiv Kumar Chaudhary, Subash S. Rajput, Rajan Sethuratnam, Naman Shastri   +15 more
doaj   +1 more source

Transcatheter aortic-valve replacement for inoperable severe aortic stenosis. [PDF]

, 2012
BACKGROUND: Transcatheter aortic-valve replacement (TAVR) is the recommended therapy for patients with severe aortic stenosis who are not suitable candidates for surgery. The outcomes beyond 1 year in such patients are not known.
Makkar, Raj R, Dewey, Todd M, Pocock, Stuart, Brown, David L, Pichard, Augusto D, Bowers, Bruce, Siegel, Robert J, Smith, Craig R, Webb, John G, Tuzcu, Murat, Moses, Jeffrey W, Williams, Matthew R, Babaliaros, Vasilis C, Thourani, Vinod H, Kapadia, Samir, Svensson, Lars G, Jilaihawi, Hasan, Kodali, Susheel, Bavaria, Joseph E, MD, Fontana, Gregory P, Akin, Jodi J, Douglas, Pamela S, Bavaria, Joseph E, Herrmann, Howard C, Leon, Martin B, PARTNER Trial Investigators, Anderson, William N   +26 more
core   +1 more source

Drought Stress Mediated Changes in Food Crops: Mechanisms and Remediation Strategies

Advanced Science, EarlyView.
This work presents a multi‐scale framework for flavonoid‐mediated drought tolerance in staple food crops, integrating ROS redox regulation, antioxidant defense, rhizosphere microbial interactions, and sustainable agronomic practices. This interdisciplinary model provides core insights to develop climate‐resilient cropping systems and enhance global ...
Xiaoyi Duan, Litao Wang, Tuuli‐Marjaana Koski, Lizhe An, Thomas Efferth, Yujie Fu   +5 more
wiley   +1 more source

Supra‐Annular Versus Intra‐Annular Devices for Transcatheter Aortic Valve‐in‐Valve Replacement: The PANDORA International Registry

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Background As transcatheter aortic valve replacement (TAVR) expands to younger, lower‐risk populations, the need for repeat procedures due to valve degeneration is expected to increase.
Antonio Popolo Rubbio, Antonio Sisinni, Enrico Criscione, Enrico Poletti, Nicolas Van Mieghem, Gaspare S. Cannone, Didier Tchétché, Azeem Latib, Andrea Scotti, Ole De Backer, Michele Morosato, Damiano Regazzoli, Ignacio A. Santos, Michiel Voskuil, Matjaz Bunc, David Hildick‐Smith, Joachim Schofer, Christina Brinkmann, Kush P. Patel, Andreas Baumbach, Francesco Bedogni, Luca Testa   +21 more
doaj   +1 more source

SerpinA3 is an Endogenous TGF‐β Receptor Antagonist that Attenuates Cardiac Fibroblast Activation and Fibrotic Remodeling

Advanced Science, EarlyView.
SerpinA3 acts as an endogenous TGF‐β receptor antagonist that binds to the extracellular domain of TGFR‐1, thereby preventing TGFR‐1–TGFR‐2 complex formation. This receptor‐level blockade suppresses TGF‐β/Smad2/3 signaling, attenuates cardiac fibroblast activation, and extracellular matrix deposition, and ultimately alleviates pressure overload–induced
Hui Wang, Jieyu Cui, Chunlu Huang, Wanyi Guo, Tong Liu, Yi Zhu, Shuai Shao, Kangyin Chen, Jinlong He, Qiankun Bao   +9 more
wiley   +1 more source

Increased Disarray of Extracellular Matrix Collagen‐I Fiber Network and Compromised Biomechanics in Aortae From Marfan‐Syndrome Mice Assessed Through Combined Opto‐Biomechatronics

Advanced Science, EarlyView.
Combined structure‐function assessment in aortic rings from Marfan mice using MechaMorph Opto‐Biomechatronics technology relates increased elasticity (stiffness) and dynamic viscosity and less ordered extracellular matrix 3D‐structure (collagen) as potential causes for impaired Windkessel function and compromised haemodynamics in Marfan's syndrome ...
Dominik Schneidereit, Anika Nagel, Vanessa I. T. Zwaans, Laureen Schurr, Jonas Ahr, Michael Haug, Anna Piluso, Alexandra Sporkova, Matthias Karck, Andreas H. Wagner, Oliver Friedrich   +10 more
wiley   +1 more source