Results 61 to 70 of about 2,976,147 (281)

Improving In vitro Evaluation Capabilities of Cardiac Assist Devices through a Validated Exercise Simulation

, 2019
Cardiac assist devices require thorough in vitro evaluation prior to in vivo animal trials, which is often undertaken in mock circulatory loops. To allow for best possible device development, mock circulatory loops need to be able to simulate a variety ...
Andrew Stephens, Tansley, Geoff, Llion A Roberts, John F Fraser, Gregory, Shaun D, Geoff Tansley, Fraser, John F, Roberts, Llion A, Pauls, Jo P, Shaun D Gregory, Jo P Pauls, Stephens, Andrew   +11 more
core   +1 more source

Biventricular assist devices: A technical review [PDF]

, 2011
The optimal treatment option for end stage heart failure is transplantation; however, the shortage of donor organs necessitates alternative treatment strategies such as mechanical circulatory assistance.
Gregory, Shaun D., David G. Mason, Daniel Timms, Gregory, Shaun D, Timms, Daniel L., John F. Fraser, Gregory, Shaun, Fraser, John F., Mason, David G, Gaddum, Nick, Gregory, Shaun David, Gaddum, Nicholas R., Shaun D. Gregory, Mason, David, Mason, David Glen, Gaddum, Nicholas, Nicholas Gaddum, Fraser, John F, Timms, Daniel, Mason, David G., Fraser, John   +20 more
core   +1 more source

Soft Skins With Reversible Thickness Morphing: Materials, Mechanisms, and Applications

Advanced Materials, EarlyView.
Evolution of electronic skin (e‐skin) technologies toward adaptive, multifunctional soft skins. Phase I highlights early rigid and discrete sensory interfaces. Phase II shows the transition toward flexible, stretchable, and large‐area e‐skin. Phase III captures the emergence of computational e‐skin.
Oliver Ozioko, Chiamaka Akah, Ravinder Dahiya   +2 more
wiley   +1 more source

High Risk Coronary Atherectomy, Perforation, and Successful Percutaneous Treatment

JACC: Case Reports, 2020
We report a case of coronary perforation during high-risk percutaneous coronary intervention with Impella (Abiomed, Danvers, Massachusetts) support that resulted in cessation of pulsatile arterial flow. Maintenance of systemic perfusion due to antecedent
Graham Peigh, MD, Arif Jivan, MD, PhD, Ethan Kosova, MD, Aubrey Opyt, BSN, RN, Daniel Schimmel, MD, MS, Mark J. Ricciardi, MD   +5 more
doaj   +1 more source

Wearable Morphology‐Adaptive in‐Ear Device With Active Cleansing Capability for Multimodal Health Monitoring

Advanced Materials, EarlyView.
We present SCIENCE, an in‐ear multimodal physiological monitor featuring two key innovations. Water‐triggered morphological expansion (a 2‐mm cylinder to a 9‐mm spindle) achieves conformal adaptation across complex canal geometries. Simultaneously, active biofouling mitigation disrupts cerumen barriers, reducing sensor‐skin impedance by 20%.
Shuyun Zhuo, Zihuan Wu, Anan Zhang, Shideh Kabiri Ameri   +3 more
wiley   +1 more source

Self‐Assembling Copolymers Encapsulating Single Endothelial Cells Induce Endogenous ECM Deposition and Vascular Regeneration

Advanced Materials, EarlyView.
This study presents the first demonstration of stable sub‐50‐micron single‐cell GPM vesicles fabricated through the intrinsic self‐assembly of an amphiphilic copolymer. Hierarchical assembly of cell containing GPM vesicles into microspheres enable tunable, sustained cell delivery with immune protection.
Viola B. Morris, Sangho Lee, Kalp Soni, Simon He, Matthew Huang, Dandan Chen, Dae Hoon Lee, Kyung Hee Kim, Seonggeon Cho, Laura Pencea, Divit Jain, Young‐Sup Yoon   +11 more
wiley   +1 more source

Percutaneous ventricular assist devices for cardiogenic shock

, 2008
Cardiogenic shock complicates up to 7% of ST-segment elevation myocardial infarctions and 2.5% of non-ST-segment elevation myocardial infarctions, with an associated mortality of 50% to 70%.
Windecker, Stephan, Cook, Stéphane
core  

Microgels Enable iPSCs to Assemble, Expand, and Differentiate Into Organoids—From Sizable to High‐Throughput

Advanced Materials, EarlyView.
A chemically defined PEG‐based microgel platform enables scalable, reproducible production of three‐dimensional microgel‐iPSC constructs in multiple sizes. The system is compatible with high‐throughput automation and supports human iPSC expansion and differentiation within a single construct, including directed differentiation into cardiac organoids ...
Laura Klasen, Matthias Mork, Ramin Nasehi, Vasudha Turuvekere Krishnamurthy, Kira Zeevaert, Aaron Babendreyer, Jacopo Di Russo, Wolfgang Wagner, Laura De Laporte   +8 more
wiley   +1 more source

Soft and Transient Bioelectronics Enabled by Polymer‐Free Ti3C2Tx MXene Hydrogels

Advanced Materials, EarlyView.
We present Ti3C2Tx MXene hydrogel (MXgel) bioelectronics, a soft, flexible, and fully transient platform for high‐fidelity neural recording and stimulation. MXgel bioelectronics exhibit exceptional electrical conductivities, low electrochemical impedances, and high charge injection capacities.
Raghav Garg, Franco A. Laimo, Stefano Ippolito, Prastuti Upadhyay, Spencer R. Averbeck, Dimitris Boufidis, Charles‐Antoine Assenmacher, Dayo O. Adewole, Sai Panigrahy, Bita Soltan Mohammadlou, Lucy Plant, Yuan Zhang, Andrew G. Richardson, Yury Gogotsi, D. Kacy Cullen, Flavia Vitale   +15 more
wiley   +1 more source

Left Ventricular Assist Devices – Past, Present, and Future: A Narrative Review

Journal of the Practice of Cardiovascular Sciences
Advanced heart failure (AHF) is a major problem with an aging population and profound unmet needs. While heart transplant offers the most definitive solution, it is largely unavailable for most and mandates a long waiting period.
Devesh Kumar, Sandeep Seth, Rajiv Narang
doaj   +1 more source