ArticleCureus2026
Transcatheter Aortic Valve-in-Surgical Aortic Valve (TAV-in-SAV) for Structural Valve Degeneration of Post-Surgical Aortic Valve Replacement (SAVR) With the 3D-Nicks Procedure: A Case Report.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Transcatheter aortic valve implantation (TAVI) for structural valve deterioration (SVD) following surgical aortic valve replacement (SAVR) is an established alternative to redo surgery (transcatheter aortic valve-in-surgical aortic valve, or TAV-in-SAV). However, in patients with a small aortic annulus or small sinus of Valsalva (SOV), the risk of coronary artery obstruction or severe prosthesis-patient mismatch (PPM) remains a major constraint. To address this, we previously introduced the "3D-Nicks" procedure, using a preoperatively prepared three-dimensional ellipsoidal patch to achieve circumferential aortic root enlargement. We report a 14-year successful clinical course of TAV-in-SAV following SAVR with the 3D-Nicks procedure. A 61-year-old woman with severe aortic valve stenosis (AS) and a narrow aortic root (annulus 19 mm, STJ 20 mm) underwent SAVR (CEP19
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