Results 51 to 60 of about 178,564 (298)

Aging on Chip: Harnessing the Potential of Microfluidic Technologies in Aging and Rejuvenation Research

open access: yesAdvanced Healthcare Materials, EarlyView.
This review highlights recent advances in microfluidic technologies for modeling human aging and age‐related diseases. It explores how organ‐on‐chip platforms improve physiological relevance, enable rejuvenation strategies, facilitate drug screening, detect senescent cells, and identify biomarkers.
Limor Zwi‐Dantsis   +5 more
wiley   +1 more source

Transcatheter Aortic Valve Replacement in Aortic Stenosis: a Clinical Case

open access: yesКреативная хирургия и онкология, 2021
Background. Aortic valve stenosis is common with prevalence of about 0.5 %, peaking in people aged over 70 years mostly due to age-related valve calcification. The year 2002 was marked by the invention and use of the endovascular aortic replacement valve
V. V. Plechev   +8 more
doaj   +1 more source

Quadricuspid aortic valve [PDF]

open access: yesEuropean Journal of Cardio-Thoracic Surgery, 2012
Daniel Hanratty*, Olatunde Farode, Adrian Ionescu and Aprim Youhana a Department of Cardiothoracic Surgery, Morriston Hospital, Swansea, UK b Department of Cardiology, Morriston Hospital, Swansea, UK * Corresponding author. 34 St Stephens Mansions, Mount Stuart Square, Cardiff CF10 5LQ, UK.
Aprim Youhana   +3 more
openaire   +3 more sources

Vorticity‐Facilitated Platelet Aggregation: a High Expansion‐Ratio Stenotic Microfluidic Platform Unravels the Role of Complex Flow Dynamics in Arterial Thrombosis

open access: yesAdvanced Healthcare Materials, EarlyView.
This study reveals how vorticity—a swirling flow pattern—enhances platelet aggregation and thrombus formation in high‐shear conditions. Using a custom microfluidic model, it is shows that vorticity promotes vWF–GPIbα interactions and calcium signaling, providing new insights into thrombosis mechanobiology and informing safer blood‐contacting medical ...
Jianfang Ren   +13 more
wiley   +1 more source

Contemporary Outcomes in Low‐Gradient Aortic Stenosis Patients Who Underwent Dobutamine Stress Echocardiography

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2019
Background Detection of flow reserve (FR) by dobutamine stress echocardiography is used for risk stratification in low‐gradient aortic stenosis (AS).
Kimi Sato   +13 more
doaj   +1 more source

Miniaturized Devices for On‐the‐Spot Generation of Small‐Diameter Vascular Grafts

open access: yesAdvanced Materials Technologies, EarlyView.
An intracorporeal extrusion device is developed for on‐the‐spot generation of vascular grafts with tunable diameters spanning from 1 to 6 mm. The device uses biomimetic polymers and light, to promptly obtaining biocompatible and high‐burst pressure‐resistant grafts.
Deyanira Hernandez‐Sanchez   +11 more
wiley   +1 more source

Redo aortic valve replacement vs valve-in-valve trans-catheter aortic valve implantation: a UK propensity-matched analysis

open access: yesMonaldi Archives for Chest Disease, 2023
This study sought to compare the morbidity and mortality of redo aortic valve replacement (redo-AVR) versus valve-in-valve trans-catheter aortic valve implantation (valve-in-valve TAVI) for patients with a failing bioprosthetic valve.
Francesca Gatta   +50 more
doaj   +1 more source

Non‐Invasive Diagnosis of Hypertrophic Cardiomyopathy by Breath

open access: yesAdvanced Sensor Research, Volume 4, Issue 7, July 2025.
The use of sensor technologies for the diagnosis of hypertrophic cardiomyopathy (HCM) by identification of volatile organic compounds (VOCs) in breath samples. By combining gas chromatography‐mass spectrometry (GC‐MS) and electronic nose (eNose) platforms, specific VOC patterns associated with HCM are detected and analyzed.
Yael Hershkovitz‐Pollak   +5 more
wiley   +1 more source

Transcatheter Aortic Valve Replacement on an Aortic Mechanical Valve

open access: yesJACC: Cardiovascular Interventions, 2018
A 71-year-old woman with a history of rheumatic heart valve disease and prior aortic and mitral mechanical valve replacement (Carbomedics #21 and #29, CarboMedics Inc., Austin, Texas, respectively), was referred for transcatheter closure of a mitral perivalvular leak due to New York ...
Dabit Arzamendi   +6 more
openaire   +3 more sources

A Bead‐Based Quantum Dot Immunoassay Integrated with Multi‐Module Microfluidics Enables Real‐Time Multiplexed Detection of Blood Insulin and Glucagon

open access: yesAdvanced Science, EarlyView.
The quantum dot integrated real‐time ELISA or QIRT‐ELISA system integrates a bead‐based quantum dot‐mediated immunoassay (BQI) with a modular microfluidic system to continuously monitor insulin and glucagon in whole blood samples and in a multiplexed setting.
Hesam Abouali   +7 more
wiley   +1 more source

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