Results 51 to 60 of about 2,650,139 (381)

Microscopic and ultramicroscopic characteristic of heart valves in human [PDF]

Морфологія, 2014
Background. Valvular apparatus of the heart is the frequent object of the surgical operations for today. Morphological changes which are happed within valves of the heart at time of cardiac diseases the modern medicine considers on the clinical ...
Fedoniuk L., Semeniuk T., Bodnar E.
doaj  

Recommendations for the imaging assessment of prosthetic heart valves: a report from the European Association of Cardiovascular Imaging endorsed by the Chinese Society of Echocardiography, the Inter-American Society of Echocardiography, and the Brazilian Department of Cardiovascular Imaging.

European Heart Journal-Cardiovascular Imaging, 2016
Prosthetic heart valve (PHV) dysfunction is rare but potentially life-threatening. Although often challenging, establishing the exact cause of PHV dysfunction is essential to determine the appropriate treatment strategy.
P. Lancellotti, P. Pibarot, J. Chambers, T. Edvardsen, V. Delgado, R. Dulgheru, M. Pepi, B. Cosyns, M. Dweck, M. Garbi, J. Magne, K. Nieman, R. Rosenhek, A. Bernard, J. Lowenstein, M. C. Vieira, A. Rabischoffsky, Rodrigo Hernández Vyhmeister, Xiao Zhou, Yun Zhang, J. Zamorano, G. Habib   +21 more
semanticscholar   +1 more source

The Endocardium and Heart Valves

Cold Spring Harbor Perspectives in Biology, 2020
Endocardial cells are specialized endothelial cells that, during embryogenesis, form a lining on the inside of the developing heart, which is maintained throughout life. Endocardial cells are an essential source for several lineages of the cardiovascular system including coronary endothelium, endocardial cushion mesenchyme, cardiomyocytes, mural cells,
Bailey K Dye, Joy Lincoln
openaire   +4 more sources

Blocking the voltage‐gated sodium channel hNav1.5 as a novel pH‐dependent mechanism of action for tamoxifen

FEBS Open Bio, EarlyView.
Patch‐clamp recordings revealed that tamoxifen inhibits voltage‐gated sodium channels, especially under acidic conditions, both common in metastatic cancer cells. These effects may explain certain antitumor properties of tamoxifen, highlighting a novel mechanism of action beyond its known endocrine effects.
Karl Josef Föhr, Michael Fauler, Thomas Zimmer, Bettina Jungwirth, Hubert Schrezenmeier, David Alexander Christian Messerer   +5 more
wiley   +1 more source

Dental procedures, antibiotic prophylaxis, and endocarditis among people with prosthetic heart valves: nationwide population based cohort and a case crossover study

British medical journal, 2017
Objective To assess the relation between invasive dental procedures and infective endocarditis associated with oral streptococci among people with prosthetic heart valves. Design Nationwide population based cohort and a case crossover study.
S. Tubiana, P. Blotière, B. Hoen, P. Lesclous, S. Millot, J. Rudant, A. Weill, J. Coste, F. Alla, X. Duval   +9 more
semanticscholar   +1 more source

Microphysiological Glomerular Filtration Barriers: Current Insights, Innovations, and Future Applications

Advanced Biology, EarlyView.
The glomerular filtration barrier (GFB) is the first step of blood filtration by the kidneys. The concerning increase of kidney diseases makes the development of new models essential. In this context, microphysiological glomerular filtration barriers focus on closely reproducing the physiological architecture of the in vivo GFB: podocytes, glomerular ...
Manon Miran, Kieu Ngo, David Buob, Hanna Debiec, Pierre Ronco, Guillaume Perry   +5 more
wiley   +1 more source

Pregnancy outcomes in women with mechanical prosthetic heart valves: a prospective descriptive population based study using the United Kingdom Obstetric Surveillance System (UKOSS) data collection system

BJOG: an International Journal of Obstetrics and Gynaecology, 2017
To describe the incidence of mechanical prosthetic heart valves (MPHV) in pregnancy in the UK; rates of maternal and fetal complications in this group of women, and whether these vary with the anticoagulation used during pregnancy.
S. Vause, B. Clarke, C. Tower, C. Hay, M. Knight   +4 more
semanticscholar   +1 more source

Combining Metal Additive Manufacturing and Casting Technology: High Performance Cooling Channels for Electric Powertrain Components

Advanced Engineering Materials, EarlyView.
When realized as inserts in high‐pressure die casting, aluminum cooling channels for electric powertrain components and similar applications typically require a stabilizing filler to survive the process. The present study investigates relinquishing this filler using additively manufactured inserts promising performance improvements.
Dirk Lehmhus, Gefei Li, Martin Czekalla, Leonardo Fernandes Gomes, Christoph Pille, Hermann Pleteit, Adrian Struss, Keno Toussaint, Andre Irretier, Münip Dalgic   +9 more
wiley   +1 more source

The living aortic valve: From molecules to function. [PDF]

, 2014
The aortic valve lies in a unique hemodynamic environment, one characterized by a range of stresses (shear stress, bending forces, loading forces and strain) that vary in intensity and direction throughout the cardiac cycle.
Bertazzo, S, Butcher, JT, Chester, AH, El-Hamamsy, I, Latif, N, Yacoub, MH   +5 more
core   +1 more source

Electronic Control System for Optimized Resonance Operation of Dielectric Elastomer Pumps through Self‐Sensing

Advanced Engineering Materials, EarlyView.
A powerful electronic control system enables a dielectric elastomer pump to operate at resonance, matching conventional pump performance. Using self‐sensing to reconstruct load pressure dynamically, the adaptive control adjusts resonance frequency accordingly.
Matthias Baltes, Benedikt Holz, Daniel Bruch, Paul Motzki   +3 more
wiley   +1 more source