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Plus Anchor Valve Replacement for Treatment of Severe Aortic Regurgitation With an Extremely Large Annulus.
JACC Cardiovasc Interv
December 2024
Center for Cardiovascular Diseases, Meizhou People's Hospital, Meizhou, China; Guangdong Provincial Engineering and Technological Research Center for Molecular Diagnostics of Cardiovascular Diseases, Meizhou, China. Electronic address:
Transcatheter aortic valve replacement for aortic regurgitation following valve sparing root replacement: a case series.
Eur Heart J Case Rep
January 2025
Institute of Cardiovascular Sciences, University of Birmingham, Birmingham B15 2TT, UK.
Background: Valve sparing aortic root replacement (VSARR) is a treatment for aortic root dilatation and aortic regurgitation (AR), which preserves the aortic valve. However, AR may recur, and redo surgery often carries high risk. Transcatheter aortic valve replacement (TAVR) can be performed but there is a paucity of literature to guide procedural planning.
View Article and Find Full Text PDFSurgical technique for mitral valve repair in dogs using a novel method to anchor artificial chordae tendineae with emphasis on key intraoperative decision points.
Front Vet Sci
December 2024
Department of Cardiology, Uenonomori Animal Hospital, Tokyo, Japan.
Objectives: Surgical options for mitral valve repair in dogs are unstandardized and influenced by various factors. This study describes a four-point surgical technique (MI-4) to reduce mitral regurgitation and provides data from a study of dogs with 12 months of follow up.
Methods: Twenty-five dogs with stages C or D mitral insufficiency were treated by one of two surgeons using the MI-4 procedure at Ueno no Mori Animal Hospital between October 2021 and May 2023.
A Novel Transcatheter Posterior Ventricular Anchoring Neochordoplasty Mitral Valve Repair Device.
Cardiovasc Eng Technol
December 2024
Department of Cardiothoracic Surgery, Stanford University, Stanford, CA, USA.
Purpose: Advancements in minimally invasive technologies to decrease postoperative morbidity and recovery times represent a large opportunity for mitral valve repair operations. However, current technologies are unable to replicate gold standard surgical neochord implantation.
Methods: We developed a novel neochordal repair device, Minimally Invasive Ventricular Anchoring Neochordoplasty (MIVAN), which operates via transcatheter, trans-septal anchoring to the posterior ventricular wall.
Parameterization, algorithmic modeling, and fluid-structure interaction analysis for generative design of transcatheter aortic valves.
Eng Comput
June 2024
Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN USA.
Heart valves play a critical role in maintaining proper cardiovascular function in the human heart; however, valve diseases can lead to improper valvular function and reduced cardiovascular performance. Depending on the extent and severity of the valvular disease, replacement operations are often required to ensure that the heart continues to operate properly in the cardiac system. Transcatheter aortic valve replacement (TAVR) procedures have recently emerged as a promising alternative to surgical replacement approaches because the percutaneous methods used in these implant operations are significantly less invasive than open heart surgery.
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