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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
Procedural Strategies in Transcatheter Aortic Valve Replacement for Patients With Small Aortic Annulus and Aortic
Changfu Liu1, Zeyu Sun2, Yingqian Zhang1
1Senior Department of Cardiology, the Sixth Medical Center of PLA General Hospital, Beijing, China.
Abstract:
Small aortic annulus is recognized as a critical risk factor in transcatheter aortic valve replacement, predisposing patients to prosthesis-patient mismatch. This case series examines 3 distinct anatomical subtypes of small aortic annulus patients undergoing transcatheter aortic valve replacement: 1) tricuspid aortic valve morphology; 2) type 0 bicuspid aortic valve; and 3) failed surgical bioprosthesis. The analysis highlights subtype-specific technical challenges and procedural optimization strategies, emphasizing the importance of preprocedural imaging and prosthesis selection in mitigating complications.
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