Results 11 to 20 of about 547,138 (218)

Effectiveness and safety of transcatheter aortic valve replacement in elderly people with severe aortic stenosis with different types of heart failure

BMC Cardiovascular Disorders, 2023
Background Impaired left ventricular function is an independent predictor of adverse clinical outcomes in patients with aortic stenosis. The aim of this study is to evaluate the short-term changes of echocardiographic parameters, New York Heart ...
Mei Dong, Lizhen Wang, Gary Tse, Tao Dai, Lihong Wang, Zhicheng Xiao, Tong Liu, Faxin Ren   +7 more
doaj   +1 more source

Comparative study on credibility measures of type-2 and type-1 fuzzy variables and their application to a multi-objective profit transportation problem via goal programming

International Journal of Transportation Science and Technology, 2017
In real world applications supply, demand and transportation costs per unit of the quantities in multi-objective transportation problems may be hardly specified accurately because of the changing economic and environmental conditions.
Dipak Kumar Jana, Palash Sahoo, Laszlo T. Koczy   +2 more
doaj   +1 more source

Exploring the Charge Compensation Mechanism of P2-Type Na_0.6Mg_0.3Mn_0.7O₂ Cathode Materials for Advanced Sodium-Ion Batteries

Energies, 2020
P2-type sodium layered transition metal oxides have been intensively investigated as promising cathode materials for sodium-ion batteries (SIBs) by virtue of their high specific capacity and high operating voltage.
Chen Cheng, Manling Ding, Tianran Yan, Kehua Dai, Jing Mao, Nian Zhang, Liang Zhang, Jinghua Guo   +7 more
doaj   +1 more source

Electric Power Loss Minimization in Power Supply Systems for the Suburban Houses [PDF]

Problems of the Regional Energetics, 2018
The main purpose of the research is the development and improvement of methods for minimizing power losses for non-sinusoidal and asymmetric modes of operation of power supply systems for suburban houses.
Averbukh М.А., Zhilin Е.V., Prokopishin D.I.   +2 more
doaj   +1 more source

Reduced coronary collateralization in type 2 diabetic patients with chronic total occlusion

Cardiovascular Diabetology, 2018
Background The extent of coronary collateral formation is a primary determinant of the severity of myocardial damage and mortality after coronary artery occlusion.
Ying Shen, Feng Hua Ding, Yang Dai, Xiao Qun Wang, Rui Yan Zhang, Lin Lu, Wei Feng Shen   +6 more
doaj   +1 more source

Fabrication of functional surfaces using layer height method in material extrusion type 3D printing

Journal of Materials Research and Technology
Various layer stacking methods have been employed in material extrusion type three-dimensional (3D) printing to utilize their potential for addressing the inherent technological limitation of reduced surface quality due to layer stacking.
Jaebum Sung, Yeongu Choi, Hongyun So
doaj   +1 more source

Medium term follow-up after percutaneous pulmonary valve replacement with the Melody® valve

International Journal of Cardiology: Heart & Vasculature, 2015
Introduction: Data on long term function of the Melody valve are scarce. Patients and methods: single institution; results of percutaneous pulmonary valve implantation (PPVI) from 2006 to 2014.
Bjorn Cools, Werner Budts, Ruth Heying, Derize Boshoff, Benedicte Eyskens, Stefan Frerich, Els Troost, Marc Gewillig   +7 more
doaj   +1 more source

Relationship Between QT Interval and Outcome in Low‐Flow Low‐Gradient Aortic Stenosis With Low Left Ventricular Ejection Fraction

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2016
BackgroundQT interval has been shown to be associated with cardiovascular events. There is no data regarding the association between QT interval and left ventricular (LV) function and prognosis in patients with low LV ejection fraction (LVEF), low‐flow ...
Abdellaziz Dahou, Oumhani Toubal, Marie‐Annick Clavel, Jonathan Beaudoin, Julien Magne, Patrick Mathieu, François Philippon, Jean G. Dumesnil, Rishi Puri, Henrique B. Ribeiro, Éric Larose, Josep Rodés‐Cabau, Philippe Pibarot   +12 more
doaj   +1 more source

Color-coded summation images for the evaluation of blood flow in endovascular aortic dissection fenestration

BMC Medical Imaging, 2022
Background To analyze the benefit of color-coded summation images in the assessment of target lumen perfusion in patients with aortic dissection and malperfusion syndrome before and after fluoroscopy-guided aortic fenestration.
Anne Marie Augustin, Franziska Wolfschmidt, Thilo Elsässer, Alexander Sauer, Alexander Dierks, Thorsten Alexander Bley, Ralph Kickuth   +6 more
doaj   +1 more source

Experimental and theoretical studies on (2E,5E)-2,5-bis(2-methoxybenzylidene)cyclopentanone: Structural, electrochemical, spectroscopic features, solid-state interactions, molecular docking and adsorption studies onto 2D carbon nanomaterials

Macedonian Journal of Chemistry and Chemical Engineering, 2023
A monocarbonyl analog of curcumin, (2E,5E)-2,5-bis(2-methoxybenzylidene)-cyclopentanone (B2MBCP), was prepared and characterized via spectroscopic methods (NMR, UV-Vis, FT-IR, and MS).
Veprim Thaçi, Arianit A. Reka, Nataša Ristovska, Ramiz Hoti, Avni Berisha, Jane Bogdanov   +5 more
doaj   +1 more source