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Updated: Jan 28, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
Transcatheter aortic valve replacement in failed surgical valves
Matheus Simonato1, Danny Dvir2
1Division of Cardiovascular Surgery, Federal University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil.
Aortic valve-in-valve (AVIV) is a safe and effective treatment for failed bioprosthetic valves, offering improved quality of life. While risks like elevated gradients exist, AVIV is increasingly offered to lower-risk patients.
Area of Science:
- Cardiology
- Interventional Cardiology
- Biomedical Engineering
Background:
- Bioprosthetic aortic valves can fail over time, necessitating reintervention.
- Surgical redo aortic valve replacement carries significant risks, especially in elderly or comorbid patients.
- Aortic valve-in-valve (AVIV) emerged as a less invasive alternative to surgical redo procedures.
Purpose of the Study:
- To evaluate the safety and efficacy of the aortic valve-in-valve procedure.
- To assess the outcomes and potential complications associated with AVIV.
- To understand the evolving role of AVIV in managing failed bioprosthetic valves.
Main Methods:
- Review of current literature and clinical data on aortic valve-in-valve procedures.
- Analysis of patient populations, procedural techniques, and outcomes.
- Identification and discussion of key complications and risk factors.
Main Results:
- AVIV is increasingly offered to lower-risk patients, with global experience in the thousands.
- Early mortality rates have significantly decreased.
- Documented improvements in patient symptoms and quality of life.
- Key considerations include postprocedural gradients, coronary obstruction, and leaflet thrombosis.
Conclusions:
- Aortic valve-in-valve is a safe and effective option for managing failed bioprosthetic aortic valves.
- The procedure demonstrates favorable outcomes and improved quality of life for selected patients.
- Understanding and mitigating potential complications are crucial for successful AVIV implementation.
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