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Aortic Regurgitation I: Introduction

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...

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Related Experiment Video

Updated: Jun 11, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

Revisiting the SURPLUS Procedure-A Hybrid Solution to the Complex Aortic Root.

John Murfee¹, Tarek Absi¹, John Trahanas¹

¹Department of Cardiac Surgery, Vanderbilt University, Nashville, Tennessee.

Annals of Thoracic Surgery Short Reports

|June 10, 2026

Summary

Valve-in-valve transcatheter aortic valve replacement (TAVR) is common for bioprosthetic valve failure. A hybrid approach combining surgical leaflet resection and TAV-in-TAV implantation offers a solution for complex cases with prior TAVR.

Area of Science:

Cardiology
Cardiovascular Surgery
Interventional Cardiology

Background:

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Transcatheter aortic valve replacement (TAVR) is increasingly used for bioprosthetic valve failure.
Managing complications in patients with prior TAVR, especially high-risk individuals, presents significant challenges.
Coronary artery occlusion is a risk during TAV-in-TAV procedures, limiting options for re-intervention.