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Ozaki procedure-re-construction of aortic valve leaflets using autologous pericardial tissue: a review.
Indian J Thorac Cardiovasc Surg
December 2023
Department of Cardiovascular Surgery, Toho University Ohashi Hospital, 2-17-6 Ohashi, Meguro-Ku, Tokyo, 153-8515 Japan.
The Ozaki procedure has emerged as a valuable option for treating various aortic valve pathologies. This review article delves into the intricacies of this innovative surgical approach by exploring its adaptation to the complex anatomy and physiology of the aortic root. The diverse etiologies of aortic valve diseases, ranging from congenital anomalies to degenerative changes, make treatment selection a complex challenge.
View Article and Find Full Text PDFAortic valve replacement in small aortic root- Bi-leaflet mechanical valve is superior to a Mono-leaflet mechanical valve.
Indian J Thorac Cardiovasc Surg
May 2023
#258/A, Bommasandra Industrial Area, Anekal Taluk, Bangalore, 560099 Karnataka India Department of Cardiothoracic Surgery, Narayana Institute of Cardiac Sciences, Narayana Health.
Background: Patient prosthetic mismatch is a serious but avoidable complication of surgical aortic valve replacement (SAVR) complicated by a small aortic annulus. This study aims to compare early and midterm outcomes following aortic valve replacement (AVR) with a mono-leaflet (ML) valve and a bi-leaflet (BL) valve in a small aortic root.
Methods And Selection: From January 1st, 2017 to December 31st, 2019, 98 patients diagnosed with small aortic root underwent isolated aortic valve replacement with either TTK Chitra valve (Mono-leaflet/ ML group) or St.
Developing Hemodynamic Valve Deterioration and Mortality in Aortic Valve Replacement.
J Surg Res
May 2023
Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. Electronic address:
Background: As life span increases, in patients having a bioprosthetic valve, the development of hemodynamic valve deterioration (HVD) is an important concern. We evaluated the association of developing HVD to survival in patients undergoing surgical aortic valve replacement (SAVR).
Methods: The individuals undergoing isolated SAVR and serial echocardiography exams (interval >30 d) were included in this study.
Effect of aortic curvature on bioprosthetic aortic valve performance.
J Biomech
January 2023
Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, USA; Health Research Institute, Center of Biocomputing and Digital Health and Institute of Computing and Cybernetics, Michigan Technological University, Houghton, MI, USA. Electronic address:
Transvalvular pressure gradient (ΔP) after aortic valve replacement is an important surrogate of aortic bioprostheses performance. Invasive ΔP is often measured after transcatheter aortic valve replacement to exclude patient-prosthetic mismatch. However, invasive aortic pressures are usually recorded in the pressure recovery (PR) zone downstream of the valve, potentially resulting in ΔP underestimation compared to noninvasive measurements.
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