Results 61 to 70 of about 37,507 (250)

Nanostructured 316L Stainless Steel Stent Surfaces Improve Corrosion Resistance, and Enhance Endothelization and Hemocompatibility

Advanced Materials Interfaces, EarlyView.
This study investigates the impact of nanostructured surface modification on corrosion resistance, HUVEC functions, and platelet interactions of 316L SS for cardiovascular stents. Nanostructured surfaces enhanced HUVEC proliferation, migration, and angiogenesis‐related gene expression while reducing platelet adhesion and hemolysis.
Yasar Kemal Erdogan, Pelin Mutlu, Batur Ercan   +2 more
wiley   +1 more source

Multi-scale simulation of thrombus formation at LVAD inlet cannula connection: Importance of Virchow's triad [PDF]

arXiv, 2020
As pump thrombosis is reduced in current-generation ventricular assist devices (VAD), adverse events such as bleeding or stroke remain at unacceptable rates. Thrombosis around the VAD inlet cannula (IC) has been highlighted as a possible source of stroke events.
arxiv  

In Silico Fatigue Optimization of TAVR Stent Designs with Physiological Motion in a Beating Heart Model [PDF]

arXiv, 2023
The rapid expansion of TAVR to younger, low-risk patients raises concerns regarding device durability. Necessarily, extended stent lifetime will become more critical for new generation devices. In vitro methods commonly used for TAVR stent fatigue testing exclude the effects of the beating heart.
arxiv  

Perioperative stent thrombosis

Interventional Cardiology, 2010
Percutaneous coronary intervention with stent placement is one of the most frequently performed procedures in the western world. Patients with coronary stents need to be on dual antiplatelet therapy in order to minimize the risk of stent thrombosis.
Ion S. Jovin, Wanda M. Popescu, Syed Ahsan Raza   +2 more
openaire   +2 more sources

Toward “Green” Vessels: Characterization of Microstructure, Mechanics, and Endothelial Cell Interaction on Three Macro‐Tubular Plants for Vascular Tissue Engineering Applications

Advanced Materials Technologies, Volume 10, Issue 7, April 4, 2025.
The concept of “green” vessels explores naturally derived tubular structures from three decellularized plants—Water Spinach, Green Onion, and Water Horsetail—as innovative alternatives for vessel models and vascular grafts. Microstructural and mechanical testing reveal the promising suturability and mechanical properties of Water Spinach.
Ali Salehi, Meriem Ernez, Gemma Lucas Salido, Giorgio Cattaneo   +3 more
wiley   +1 more source

Bare Metal Stent Thrombosis and In-Stent Neoatherosclerosis [PDF]

Circulation: Cardiovascular Interventions, 2012
Background— Very late stent thrombosis (VLST) was reported to occur even in patients with bare metal stent (BMS) implantation, although the annual incidence of VLST after BMS was much lower than that after drug-eluting stent implantation. Pathophysiologic mechanisms of VLST after BMS implantation remain largely unknown.
Masashi Iwabuchi, Kyohei Yamaji, Hideyuki Nosaka, Shinichi Shirai, Koyu Sakai, Masakiyo Nobuyoshi, Hiroyoshi Yokoi, Makoto Hyodo, Takenori Domei, Takeshi Kimura, Masahiko Noguchi, Katsumi Inoue, Yoshimitsu Soga, Kenji Ando, Katsuhiro Kondo, Takuya Nakahashi   +15 more
openaire   +2 more sources

Functional Polymer Nanocomposites by Gas Aggregation Cluster Source and Initiated Chemical Vapor Deposition

Advanced Materials Technologies, Volume 10, Issue 9, May 6, 2025.
In this work, a gas aggregation cluster source and an initiated chemical vapor deposition are combined in a single vacuum reactor. With this setup polymer thin films can be combined with functional nanoparticles. As a proof‐of‐concept PTFE is combined with silver nanoparticles and tested in antibacterial, antiviral, and anticancer applications ...
Torge Hartig, Joschka Paulsen, Jonas Drewes, Asmaa T. Mohamed, Nasra F. Abdel Fattah, Cedric Hinrichs, Felix Pohl, Stefan Rehders, Ainura Aliyeva, Henning Wieker, Jörg Wiltfang, Salih Veziroglu, Samah A Loutfy, Oral Cenk Aktas, Alexander Vahl, Thomas Strunskus, Aydin Gülses, Amal Amin, Stefan Schröder, Franz Faupel   +19 more
wiley   +1 more source

Effectiveness of Two-Year Versus One-Year Use of Dual Antiplatelet Therapy in Reducing the Risk of Very Late Stent Thrombosis After Drug-Eluting Stent Implantation [PDF]

Journal of Tehran University Heart Center, 2012
Background: Impact of 12 months’ versus 24 months’ use of dual antiplatelet therapy on the prevalence of stent thrombosis in patients undergoing percutaneous coronary intervention (PCI) with the drug-eluting stent (DES) is not clear.
Ali Reza Amirzadegan, Hasan Aghajani, Ali Mohammad Haji Zeinali, Ebrahim Nematipour, Younes Nozari, Mohammad Alidoosti, Seyed Ebrahim Kassaian, Seyed Kianoosh Hosseini, Hamid Reza Poorhosseini, Mojtaba Salarifar, Masoumeh Lotfi Tokaldany, Tahereh Davarpasand   +11 more
doaj   +2 more sources

In-silico Analysis of Hemodynamic Indicators in Idealized Stented Coronary Arteries for Varying Stent Indentation [PDF]

In this work, we investigate the effects of stent indentation on hemodynamic indicators in stented coronary arteries. Our aim is to assess in-silico risk factors for in-stent restenosis (ISR) and thrombosis after stent implantation. The proposed model is applied to an idealized artery with Xience V stent for four indentation percentages and three mesh ...
arxiv   +1 more source

Deformation Mechanics of Self-expanding Venous Stents: Modelling and Experiments [PDF]

arXiv, 2021
Deformation properties of venous stents based on braided design, chevron design, Z design, and diamond design are compared using in vitro experiments coupled with analytical and finite element modelling. Their suitability for deployment in different clinical contexts is assessed based on their deformation characteristics. Self-expanding stainless steel
arxiv