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Background: Takayasu arteritis is a large-vessel vasculitis, in addition to giant cell arteritis. Various post-operative complications associated with the cardiac macrovasculature have been reported. Detachment of the prosthetic valve, pseudoaneurysm formation, and dilatation of the aortic root are well-known post-operative complications associated with vasculitis syndromes, including Takayasu arteritis.

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Background: Balloon-assisted bioprosthetic or native aortic scallop intentional laceration to prevent iatrogenic coronary artery obstruction (BA-BASILICA) enables valve-in-valve transcatheter aortic valve implantation (ViV-TAVI) in patients at risk of coronary artery obstruction. However, its efficacy in patients with severely calcified leaflets remains unclear.

Case Summary: We report a 78-year-old woman with a deteriorated 21 mm Carpentier-Edwards PERIMOUNT Magna valve.

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Aortic valve replacement (AVR) in a patient with a bio-Bentall conduit can be very challenging, especially if there was a previous endocarditis process for significant morbidity and mortality. We report a case of sutureless AVR in an old patient with a bio-Bentall conduit (Carpentier-Edwards Perimount Magna Ease 25 aortic valve and Hemashield 30 aortic conduit), who developed an endocarditis on aortic prosthesis valve. We believe that sutureless AVR is the best option for redo-operation in older patients with a high surgical risk because it allows for easy rapid deployment implantation, avoids anchoring sutures on a fragile aortic anulus, and reduces cardiopulmonary and aortic cross-clamp times.

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Adaptation of Aortic Bioprosthetic Valves for Pulmonary Position: Comparative Analysis of Transcatheter and Surgical Valves.

J Cardiovasc Transl Res

December 2024

Department of Mechanical and Materials Engineering, University of Denver, 2155 E. Wesley Ave, Room 439, Denver, CO, 80208, USA.

Article Synopsis
  • Pulmonary valve dysfunction is frequent in congenital heart disease, often requiring procedures like right ventricular outflow tract reconstruction, with transcatheter pulmonary valve replacement (TPVR) now being a successful alternative to traditional surgery.
  • This study compares two bioprosthetic valves: the Carpentier Edwards Perimount Magna Ease surgical valve and the Edwards SAPIEN 3 transcatheter valve, noting that the latter was originally designed for aortic use but has been adapted for pulmonary applications.
  • Significant differences were observed in the hydrodynamic and structural characteristics of the valves under pulmonary and aortic conditions, enhancing the understanding of the biomechanics involved in both surgical and transcatheter replacements.
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Mechanical circulatory support (MCS) using veno-arterial extracorporeal membrane oxygenation (VA-ECMO) is widely implemented as a rescue device in transcatheter aortic valve implantation (TAVI). Although prophylactic VA-ECMO (pECMO) in TAVI is preferable to emergency VA-ECMO (eECMO) in terms of overall survival, there is currently no consensus on the introduction criteria for pECMO. Here, we report four cases of eECMO and pECMO performed in valve-in-valve TAVI (ViV-TAVI) with a small surgical bioprosthesis to consider the validity of the current pECMO indications.

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