Results 101 to 110 of about 1,953,158 (218)

Development and evaluation of X‐ray lithophanes as test objects for interventional procedure simulation

open access: yesMedical Physics, Volume 53, Issue 11, November 2026.
Abstract Background In the growing field of interventional radiology, emerging technologies implement the use of artificial intelligence (AI) to help tackle growing demands for treatment. Due to the anatomical differences in animals, volunteers offer the most realistic training and testing scenario, however safety considerations restrict rapid ...
Carlo Saija   +12 more
wiley   +1 more source

Geometry‐Related Technical Complications After LVAD Implantation: Impact on Device Dysfunction and Clinical Outcomes

open access: yesArtificial Organs, Volume 50, Issue 11, Page 1605-1615, November 2026.
Preventable geometric failure modes, such as outflow graft kinking and inflow malposition, frequently cause HeartMate 3 dysfunction. This study identifies these complications as key drivers of device‐related morbidity, highlighting the importance of optimized surgical positioning to ensure long‐term device performance and improved clinical outcomes ...
Ali Saad Merzah   +17 more
wiley   +1 more source

Long-term tricuspid valve prosthesis-related complications in patients with congenital heart disease

open access: yes, 2014
OBJECTIVES: In patients with acquired valvar disease, morbidity and mortality rates after tricuspid valve replacement (TVR) are high. However, in adult patients with congenital heart disease, though data concerning outcome after TVR are scarce, even ...
Mulder, Barbara J. M.   +16 more
core   +1 more source

Dysfunction of an On-X Heart Valve by Pannus

open access: yes, 2016
A 68-year-old woman with a history of previous double-valve replacement with On-X mechanical heart valves presented with clinical, echocardiographic and cardiac catheterization signs of obstruction of the On-X tricuspid heart valve prosthesis.
Gomez, Elsa   +3 more
core  

Transcatheter aortic valve implantation with the NVT Allegra transcatheter heart valve system: first-in-human experience with a novel self-expanding transcatheter heart valve.

open access: yes, 2016
AIMS We aimed to demonstrate the feasibility and investigate the safety of a novel, self-expanding trans-catheter heart valve in a selected patient population with severe aortic stenosis. METHODS AND RESULTS Between January and September 2013, a
Glökler, Steffen   +14 more
core   +1 more source

Transcatheter aortic valve prosthesis surgically replaced 4 months after implantation

open access: yes, 2009
Transcatheter aortic valve implantation is a new and rapidly evolving treatment option for high-risk surgical patients with degenerative aortic valve stenosis. Long-term results with these new valve prostheses are lacking, and potential valve dysfunction
Thyregod, Hans Gustav   +7 more
core   +1 more source

Transapical valve-in-valve implantation for regurgitant stented aortic bioprostheses

open access: yes, 2012
Transcatheter aortic valve implantation (TAVI) is rapidly evolving as an alternative treatment option for elderly patients with severe symptomatic aortic stenosis and excessive risk for surgical intervention.
Windecker, Stephan   +5 more
core   +1 more source

Management of giant left atrial thrombus late after transcatheter mitral valve-in-ring replacement using a transcatheter aortic valve: a case report

open access: yesBMC Cardiovascular Disorders
Background In symptomatic high-risk patients with severe mitral valve regurgitation (MR), who are not eligible for surgery, Transcatheter edge-to-edge repair (TEER) or transcatheter mitral valve replacement (TMVR) may be an option, especially when ...
A. Maloku   +7 more
doaj   +1 more source

The PULSTA valve in native right ventricular outflow tract: initial experience in 3 Spanish hospitals

open access: yesREC: Interventional Cardiology (English Ed.)
Introduction and objectives: Surgery for congenital heart defects with right ventricular outflow tract (RVOT) stenosis often results in significant pulmonary regurgitation, requiring pulmonary valve replacement in the long term.
Diana Salas-Mera   +6 more
doaj   +1 more source

[Use of cytochrome C in the prevention of myocardial reperfusion injury during heart valve prosthesis implantation under conditions of extracorporeal circulation].

open access: yesVestnik khirurgii imeni I. I. Grekova, 2001
Cytochrome C used at the postischemic period causes a rapid reestablishment of coronary circulation, hemodynamic parameters, prevents activation of lipid peroxidation in reoxygenation of the heart after prolonged total myocardial ischemia in patients with acute bacterial endocarditis in whom the prostheses of heart valves had been fulfilled.
G A, Boiarinov   +4 more
openaire   +1 more source

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