Why the study?
As TAVI is increasingly used in younger and lower-risk patients, ensuring long-term transcatheter aortic valve durability is critical, especially following standardized definitions of structural valve degeneration.
Standardized definitions of structural valve degeneration are crucial for evaluating the long-term durability of transcatheter aortic valves, especially as TAVI expands to younger, lower-risk patients.
Standardized SVD definitions required before TAVI durability assessment in low-risk patients; leaves open precise long-term outcome comparisons.
Transcatheter aortic valve implantation (TAVI) has become the standard of care for high-risk and inoperable surgical patients and a valid alternative to surgery for low- and intermediate-risk patients with severe, symptomatic aortic stenosis. It is increasingly being used for younger, lower-risk patients, so it is important to ensure the durability for long-term transcatheter aortic valves. The lack of standard definitions of structural valve degeneration (SVD) had made comparison among studies on prosthetic valve durability problematic. The 2017 standardised definitions of SVD by the European Association of Percutaneous Cardiovascular Intervention), the European Society of Cardiology and the European Association for Cardio-Thoracic Surgery, and the 2018 definitions by the Valve In Valve International Data group, has generated an increased uniformity in evaluations. This article examines the potential mechanisms and rates of SVD of transcatheter bioprostheses and the role of redo TAVI as a treatment option.
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Costa et al. (2019) studied this question.
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