Results 21 to 30 of about 435,399 (363)
Nanopatterned acellular valve conduits drive the commitment of blood-derived multipotent cells [PDF]
Considerable progress has been made in recent years toward elucidating the correlation among nanoscale topography, mechanical properties, and biological behavior of cardiac valve substitutes.
Aguiari, Paola +11 more
core +2 more sources
Comparative study of wall shear stress at the ascending aorta for different mechanical heart valve prostheses [PDF]
An experimental study is reported which investigates the wall shear stress (WSS) distribution in a transparent model of the human aorta comparing a bileaflet mechanical heart valve (BMHV) with a trileaflet mechanical heart valve (TMHV) in physiological ...
Bruecker, C., Li, Q.
core +1 more source
Background Cardiac disease after mediastinal radiotherapy for thoracic malignancy (chest radiotherapy [XRT]) often manifests as progressive aortic stenosis. In patients with XRT‐induced severe aortic stenosis undergoing surgical aortic valve replacement (
Eoin Donnellan +10 more
doaj +1 more source
Background The ratio of acceleration time/ejection time (AT/ET) is a simple and reproducible echocardiographic parameter that integrates aortic stenosis severity and its consequences on the left ventricle.
Alexandre Altes +10 more
doaj +1 more source
Conduction Abnormalities After Transcatheter Aortic Valve Replacement
Transcatheter aortic valve replacement (TAVR) has been established as a therapeutic option for patients with severe symptomatic aortic stenosis who are of intermediate or higher surgical risk.
Somsupha Kanjanauthai +3 more
doaj +1 more source
A 79-year-old woman was treated with a 23-mm balloon-expandable transcatheter heart valve (THV) that was initially complicated by an embolized THV requiring deployment in the descending aorta. She presented 13-years later with a degenerated bioprosthesis
Abdul Rahman Ihdayhid, MBBS, PhD +4 more
doaj +1 more source
The living aortic valve: From molecules to function. [PDF]
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 +5 more
core +1 more source
Design and Fabrication of Three-Dimensional Scaffolds for Tissue Engineering of Human Heart Valves [PDF]
We developed a new fabrication technique for 3-dimensional scaffolds for tissue engineering of human heart valve tissue. A human aortic homograft was scanned with an X-ray computer tomograph.
Fu, P. +8 more
core +1 more source
Moderate Aortic Stenosis: What is it and When Should We Intervene?
Current guidelines recommend aortic valve replacement in patients with severe aortic stenosis in the presence of symptoms or a left ventricular ejection fraction
Sveeta Badiani +4 more
doaj +1 more source
A Case Report of Acute Heart Failure Due to Infective Aortic Endocarditis Diagnosed by Point-of-care Ultrasound [PDF]
Introduction: Infective endocarditis (IE) is a life-threatening condition with significant morbidity and mortality, and can require surgical repair.Case Report: A 36-year-old man presented to the emergency department for worsening dyspnea and chest pain.
Gallagher, Ryan +3 more
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