Results 61 to 70 of about 51,516 (310)

Prediction of Turbulent Shear Stresses through Dysfunctional Bileaflet Mechanical Heart Valves using Computational Fluid Dynamics

, 2018
There are more than 300,000 heart valves implanted annually worldwide with about 50% of them being mechanical valves. The heart valve replacement is often a common treatment for severe valvular disease.
Gamage, Peshala T., Khalili, Fardin, Mansy, Hansen   +2 more
core   +1 more source

Comparative evaluation of single‐artery cannulation with passive venous drainage versus traditional dual‐cannula ex vivo lung perfusion in a rat model

Animal Models and Experimental Medicine, EarlyView.
This study compared a simplified rat ex vivo lung perfusion model with single‐artery inflow and passive vein drainage to the traditional dual‐catheter closed‐loop system. Abstract Background Ex vivo lung perfusion (EVLP) has emerged as a critical technique for lung preservation and evaluation prior to transplantation.
Ming Ni, Fei Xue, Xuanpeng Wu, Chenxi Li, Shuhao Liang, Tianhao Chen, Leyu Hong, Chao Luo, Tong Liu, Jingyao Zhang, Chang Liu, Qifei Wu   +11 more
wiley   +1 more source

Non-vitamin K antagonist oral anticoagulants in atrial fibrillation accompanying mitral stenosis: the concept for a trial. [PDF]

, 2015
Patients at thromboembolic risk with non-valvular atrial fibrillation (AF) can now be managed either with a vitamin K antagonist (VKA) or with a fixed dose of a non-VKA oral anticoagulant (NOAC), while patients with valvular AF have been restricted to ...
De Caterina, R, John Camm, A
core   +1 more source

A Meta‐Analysis and Simplified Nomenclature for Diagonal Coronary Artery and Ramus Intermedius Across Adult and Pediatric Hearts

Clinical Anatomy, EarlyView.
ABSTRACT Anatomical descriptions of left‐sided oblique coronary branches remain inconsistent, hindering imaging interpretation and surgical planning. To quantify the prevalence, branching patterns and morphometry of the ramus intermedius (RI) and diagonal branches, and propose a unified nomenclature.
Yuqian Dai, Sabrina Constantini, Michael J. Montalbano, Marios Loukas   +3 more
wiley   +1 more source

Transplante de valva mitral heteróloga: Nova alternativa cirúrgica: estudo clínico inicial Heterologous mitral valve transplant: New surgical technique: initial clinical trial

Brazilian Journal of Cardiovascular Surgery, 1993
A substituição da valva mitral tem sido realizada, nestes 30 anos, usando-se o modelo aórtico. Embora o resultado clínico, na maioria dos pacientes seja satisfatório, existem, restrições específicas, tanto entre as biopróteses, como nas próteses ...
Mário O Vrandecic, Bayard Gontijo Filho, Fernando Antônio Fantini, João Alfredo de Paula e Silva, Juscelino Teixeira Barbosa, Cristiana Gutierrez, Maurício R Barbosa, Sérgio Almeida de Oliveira, Mário Morea   +8 more
doaj  

A Rare Culprit of Infective Endocarditis in an IV Drug User: Burkholderia cepacia

Case Reports in Medicine, 2019
Infective endocarditis (IE) is an infection of the cardiac native or prosthetic valves typically caused by Staphylococcus aureus, viridans streptococci group, and coagulase-negative staphylococci. Risk factors include congenital heart disease, structural
Christopher Nnaoma, Ogechukwu Chika-Nwosuh, Christoph Sossou   +2 more
doaj   +1 more source

Left ventricular active stiffness: dependency on time and inotropic state [PDF]

, 1978
Left ventricular systolic stiffness was measured by rapidly changing ventricular volume (within 7 ms) of isovolumically contracting isolated rabbit hearts. Instantaneous pressure-volume relations were found to be linear with slopes that depended upon the
Boom, Herman B.K., Schiereck, Piet
core   +2 more sources

"Pac-Man Heart" and Mitral Valve Prolapse

Journal of Cardiovascular Echography, 2021
A 50-year-old man accessed the echo laboratory for dyspnea. His medical history was unremarkable. Transthoracic two-dimensional echocardiogram showed a posterior leaflet of the mitral valve prolapse associated with eccentric regurgitant jet.
Peluso AP, Iesu I, Provenza G, Citro R
openaire   +3 more sources

Commissural Misalignment Following Valve‐in‐Valve Transcatheter Aortic Valve Implantation

Catheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Background Data on commissural misalignment (CMA) during valve‐in‐valve transcatheter aortic valve implantation (ViV‐TAVI) for valve failure after surgical aortic valve replacement (SAVR) is scarce. Aims To study the impact of CMA on clinical and hemodynamic outcomes following ViV‐TAVI for failed SAVR.
Matthias Raschpichler, Johannes Rotta Detto Loria, Vivek Patel, Thilo Noack, Karoline Nüsser, Oliver Dumpies, Dhairya Patel, Takashi Nagasaka, Prateek Madaan, Aakriti Gupta, Holger Thiele, Michael A. Borger, Raj Makkar, Mohamed Abdel‐Wahab   +13 more
wiley   +1 more source

Identifying the Severity of Heart Valve Stenosis and Regurgitation Among a Diverse Population Within an Integrated Health Care System: Natural Language Processing Approach

JMIR Cardio
BackgroundValvular heart disease (VHD) is a leading cause of cardiovascular morbidity and mortality that poses a substantial health care and economic burden on health care systems.
Fagen Xie, Ming-sum Lee, Salam Allahwerdy, Darios Getahun, Benjamin Wessler, Wansu Chen   +5 more
doaj   +1 more source