Results 61 to 70 of about 4,496 (210)

Novel Sulfur‐Containing Polyurethanes using 5‐(Chloromethyl)Furfural as a Renewable Building Block

ChemSusChem, Volume 18, Issue 18, September 23, 2025.
A novel methodology is presented for synthesizing biomass‐derived diols using 5‐(chloromethyl)furfural, thiols, and mild reaction conditions. These innovative diols are subsequently utilized in the production of new polyurethanes via polyaddition with both commercially available and biomass‐derived diisocyanates.
Jorge Andrés Mora Vargas, Jéssica Ribeiro da Silva, Ana Clara Lancarovici Alves, Germán Darío Gómez Higuita, Antonio José Felix Carvalho, Antonio C. B. Burtoloso   +5 more
wiley   +1 more source

Stroke prevention in atrial fibrillation: A narrative review of current evidence and emerging strategies

European Journal of Clinical Investigation, Volume 55, Issue 9, September 2025.
Effective stroke prevention in AF requires a comprehensive holistic approach incorporating appropriate risk stratification, guideline‐adherent anticoagulation and management of underlying cardiovascular conditions and other comorbidities. The ABC pathway, supported by characterisation using the 4S‐AF framework, provides a structured approach to ...
Amir Askarinejad, Deirdre A. Lane, Parham Sadeghipour, Majid Haghjoo, Gregory Y. H. Lip   +4 more
wiley   +1 more source

Percutaneous Left Atrial Appendage Closure in Patients With Cardioembolic Breakthrough Stroke: An International Observational Study

European Journal of Neurology, Volume 32, Issue 9, September 2025.
Main Results of the Study. ABSTRACT Background Patients with non‐valvular atrial fibrillation (AF) who experience an ischemic stroke despite oral anticoagulation (OAC) are at particularly high risk of recurrence, with a reported annualized ischemic stroke rate of 5.3%–8.9%. The optimal strategy for secondary prevention in these patients remains unknown.
Roberto Galea, Gavino Casu, Tommaso Bini, Angelo Laconi, Pier Luigi Merella, Konstantina Chalkou, Alberto Preda, Marco Cerciello, Giuseppe D'Angelo, Paolo della Bella, Patrizio Mazzone, Elias Auer, Antanas Gasys, David Julian Seiffge, Urs Fischer, Lorenz Räber   +15 more
wiley   +1 more source

Long-Term Safety and Efficacy of Percutaneous Left Atrial Appendage Closure with the LAmbre Device

Journal of Interventional Cardiology, 2020
Background. Left atrial appendage closure (LAAC) using the LAmbre device has been associated with prevention of stroke in patients with nonvalvular atrial fibrillation (AF).
Guangji Wang, Bin Kong, Yu Liu, He Huang
doaj   +1 more source

Left Atrial Appendage Closure versus Oral Anticoagulants in Patients with Atrial Fibrillation: Systematic Review

Clinical and Applied Thrombosis/Hemostasis
Background Oral anticoagulants (OACs) remain the standard strategy for stroke prevention in atrial fibrillation (AF) but are limited by bleeding risk, intolerance, and long-term adherence challenges.
Heng Liu, Zhangbin Li, Xiaoqing Chen, Junjie Zhou   +3 more
doaj   +1 more source

Rationale and design of a randomized clinical trial evaluating the efficacy of mechanical neuroprotection in reducing the risk of silent brain infarcts associated with percutaneous left atrial appendage closure: study protocol for a LAAC-SBI trial

Trials, 2023
Background Left atrial appendage closure (LAAC) procedures prevent cardioembolic stroke in patients with atrial fibrillation who have contraindications to oral anticoagulant medications.
Witold Streb, Anetta Lasek-Bal, Katarzyna Mitręga, Jacek Kowalczyk, Tomasz Podolecki, Wiktoria Kowalska, Anna Olma, Agata Sobczyk, Zbigniew Kalarus   +8 more
doaj   +1 more source

A Case of Idiopathic Chest Pain Following Watchman Device Placement

Clinical Case Reports, Volume 13, Issue 8, August 2025.
ABSTRACT Chest pain following left atrial appendage closure (LAAC) with the Watchman device is rare but can occur due to complications such as pericarditis or myocardial infarction. We present the case of a 59‐year‐old male with atrial fibrillation who developed sharp, left‐sided chest pain exacerbated by inspiration after undergoing Watchman device ...
Salman Pervaiz, Abeera Azam, Masab Ali, Muhammad Husnain Ahmad, Preetham Muskula, Tyrone Galbreath, Muhammad Hassan   +6 more
wiley   +1 more source

Presence of patent foramen ovale does not increase cerebrovascular event rates in patients with atrial fibrillation following left atrial appendage closure

Heliyon
Objective: Both atrial fibrillation (AF) and patent foramen ovale (PFO) has been associated with occurrences of ischemic stroke. The aim of this study was to investigate whether patients with concomitant AF and PFO were at an increased risk of stroke ...
Chunyu Chen, Li Liu, Yonghua Zhang, Dan Chen, Yuyi Chen, Lulu Qu, Xi Su, Yanhong Chen   +7 more
doaj   +1 more source

Stroke prevention in an octogenarian with atrial fibrillation, cerebral amyloid angiopathy and intracerebral hemorrhage

Clinical Case Reports, 2023
Key Clinical Message Left‐atrial‐appendage‐closure (LAAC) is suggested as alternative to antiplatelet/anticoagulant therapy (AP/AC) for stroke‐prevention in patients with cerebral‐amyloid‐angiopathy (CAA), intracerebral hemorrhage (ICH) and atrial ...
Claudia Stöllberger, Josef Finsterer, Birke Schneider   +2 more
doaj   +1 more source

El grupo de investigación: "Laboratorio de Arqueología y Arquitectura de la Ciudad" [PDF]

, 2010
El Laboratorio de Arqueología y Arquitectura de la Ciudad, o LAAC (código HUM-104) es un grupo multidisciplinar cuyos componentes pertenecen en su mayor parte al Consejo Superior de Investigaciones Científicas y a las Universidades de Granada y Sevilla ...
Gámiz-Gordo, Antonio
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