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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...

Aortic Regurgitation III: Medical Management

Aortic Regurgitation III: Medical Management

Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...

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Related Experiment Video

Updated: Oct 1, 2025

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA

Published on: April 24, 2017

Root-commando operation for a ruptured left ventricular outflow tract.

Hidenobu Takaki¹, Kenichi Hashizume¹, Koki Ikebata²

¹Department of Cardiovascular Surgery, Saiseikai Utsunomiya Hospital, 911-1 Takebayashicho, Utsunomiya, Tochigi, 321-0974, Japan.

Interactive Cardiovascular and Thoracic Surgery

|March 3, 2022

Summary

Prosthetic valve endocarditis with aortic root abscess and left ventricular outflow tract rupture is dangerous. A novel root-commando operation successfully reconstructed the damaged aortic annulus, offering a new treatment approach.

Keywords:

Aortic root replacement Left ventricular outflow tract rupture Prosthetic valve endocarditis Reoperation Root-commando

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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

Related Experiment Videos

Last Updated: Oct 1, 2025

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA

Published on: April 24, 2017

Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation

Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation

Published on: March 17, 2023

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

Area of Science:

Cardiovascular Surgery
Infective Endocarditis
Prosthetic Valve Complications

Background:

Prosthetic valve endocarditis (PVE) poses significant risks, particularly when involving aortic root abscesses and left ventricular outflow tract (LVOT) rupture.
These complications are associated with high morbidity and mortality, demanding innovative surgical solutions.

Observation:

A case of infective PVE complicated by a ruptured LVOT and aortic root abscess is presented.
The rupture created a critical defect in the aortic annulus, jeopardizing hemodynamic stability.

Findings:

Successful treatment was achieved using a "root-commando" operation, a complex surgical technique for aortic annulus reconstruction.
A secure anastomosis was employed to repair the ruptured LVOT and reconstruct the damaged aortic annulus, restoring structural integrity.

Implications:

This case demonstrates the feasibility and success of the root-commando operation in managing life-threatening PVE with LVOT rupture.
The findings suggest this approach may be a viable option for complex prosthetic valve endocarditis cases, improving patient outcomes.