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Updated: Jul 20, 2026

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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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Transseptal Mitral Valve-in-Valve Implantation Using an Arteriovenous Loop
Yan-Jie Li1, Lan Ma2, Zi-Yong Hao1
1Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
JACC. Case Reports
|April 22, 2026
Summary
Transseptal mitral valve-in-valve (ViV) implantation can fail due to massive biatrial enlargement. A novel full-body rail technique provides crucial support, enabling successful valve delivery in challenging cases.
Area of Science:
- Cardiology
- Interventional Cardiology
- Medical Devices
Background:
- Transseptal mitral valve-in-valve (ViV) implantation is a standard treatment for failing surgical bioprostheses.
- Massive biatrial enlargement poses a significant challenge, potentially leading to procedural failure during ViV implantation.

