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Redo mitral valve replacement with annular reconstruction of left atrial dissection following mitral valve replacement for infective endocarditis: a case report.
Gen Thorac Cardiovasc Surg Cases
January 2025
Department of Cardiovascular Surgery, Osaka General Medical Center, Osaka, 558-8558, Japan.
Background: Left atrial dissection is a rare and occasionally fatal complication of cardiac surgery and is defined as the creation of a false chamber through a tear in the mitral valve annulus extending into the left atrial wall. Some patients are asymptomatic, while others present with various symptoms, such as chest pain, dyspnea, and even cardiac arrest. Although there is no established management for left atrial dissection, surgery should be considered in patients with hemodynamic disruption.
View Article and Find Full Text PDFThe Melody Valve in Small Children Undergoing First Mitral Valve Replacement: Better Than Mechanical?
Ann Thorac Surg Short Rep
September 2024
Department of Cardiovascular and Thoracic Surgery, University of Texas Southwestern Medical Center and Children's Medical Center, Dallas, Texas.
Background: In small children with left atrioventricular valve dysfunction, valve repair is preferred but some will require valve replacement. No prosthetic valve has growth potential, bioprostheses have poor durability, and mechanical prostheses have high rates of thromboembolic and hemorrhagic complications. We reviewed our experience with a modified bovine jugular vein valve designed for use in the right ventricular outflow tract (Melody valve, Medtronic) and compared this with contemporary mechanical valve replacement.
View Article and Find Full Text PDFCombined simulation and ex vivo assessment of free-edge length in bicuspidization repair for congenital aortic valve disease.
JTCVS Open
December 2024
Division of Pediatric Cardiac Surgery, Department of Cardiothoracic Surgery, Stanford University, Palo Alto, Calif.
Objective: The study objective was to investigate the effect of free-edge length on valve performance in bicuspidization repair of congenitally diseased aortic valves.
Methods: In addition to a constructed unicuspid aortic valve disease model, 3 representative groups-free-edge length to aortic diameter ratio 1.2, 1.
A New Type of Bioprosthetic Heart Valve: Synergistic Modification with Anticoagulant Polysaccharides and Anti-inflammatory Drugs.
ACS Biomater Sci Eng
January 2025
College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P.R. China.
Valvular heart disease (VHD) poses a significant threat to human health, and the transcatheter heart valve replacement (THVR) is the best treatment for severe VHD. Currently, the glutaraldehyde cross-linked commercial bioprosthetic heart valves (BHVs) remain the first choice for THVR. However, the cross-linking by glutaraldehyde exhibits several drawbacks, including calcification, inflammatory reactions, and difficult endothelialization, which limits the longevity and applicability of BHVs.
View Article and Find Full Text PDFCorrigendum to 'Bovine pericardial versus porcine bioprosthetic aortic valves: A nationwide population-based cohort study in Korea'[The Journal of Thoracic and Cardiovascular Surgery Volume 168, Issue 5, November 2024, Pages 1438-1447.e4].
J Thorac Cardiovasc Surg
December 2024
Department of Cardiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. Electronic address:
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