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Updated: Jun 24, 2025

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
Remedy of a deep downward shift of a valve using double snares and "sandwich" technique
Dawei Lin1, Shasha Chen1, Daxin Zhou1
1Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China; National Clinical Research Center for Interventional Medicine, Shanghai, China.
Abstract:
A 76-year-old man diagnosed with severe pure native aortic regurgitation (PNAR) underwent transcatheter aortic valve replacement (TAVR) due to high surgical risk. The computed tomography angiography showed no calcification and no stenosis of the aortic valve, with an annulus perimeter of 81.1 mm and sinus diameters of 35 to 38 mm.
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