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Related Concept Videos

Aortic Regurgitation III: Medical Management01:25

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...
Aortic Regurgitation I: Introduction01:15

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 II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...

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Related Experiment Video

Updated: Jun 14, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
14:14

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

Published on: December 11, 2017

Aortic valve reconstruction: current status.

Sreekumar Subramanian1, Michael A Borger

  • 1Heart Center, Leipzig, Germany.

Herz
|April 9, 2010
PubMed
Summary

Aortic valve repair (AVr) offers an alternative to aortic valve replacement (AVR) for aortic insufficiency (AI), with lower risks. A standardized approach and careful patient selection yield excellent long-term outcomes.

Area of Science:

  • Cardiovascular Surgery
  • Cardiac Valve Repair
  • Aortic Valve Disease

Background:

  • Aortic valve replacement (AVR) is standard for aortic stenosis, while aortic valve repair (AVr) is an alternative for aortic insufficiency (AI).
  • AVr offers advantages over AVR, including reduced risk of endocarditis and avoidance of mechanical or bioprosthetic valve complications.
  • However, AVr is technically challenging, with variable techniques and outcomes.

Purpose of the Study:

  • To evaluate the efficacy of aortic valve repair (AVr) as an alternative to AVR for aortic insufficiency (AI).
  • To identify patient selection criteria and standardized surgical approaches for reproducible AVr outcomes.
  • To assess the long-term results of AVr in terms of survival, reoperation, and recurrent AI.

Main Methods:

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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

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Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model
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Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model

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Last Updated: Jun 14, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

Published on: May 21, 2017

Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model
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Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model

Published on: June 8, 2022

  • Preoperative evaluation and intraoperative transesophageal echocardiography (TEE) for patient selection.
  • Standardized, pathology-directed surgical techniques including ascending aorta replacement, valve-sparing root replacement (David or Yacoub procedures), and cusp repair.
  • Postoperative TEE to assess repair integrity and long-term outcome analysis.

Main Results:

  • Careful patient selection and standardized AVr techniques are crucial for successful outcomes.
  • Specific procedures address different pathologies: ascending aorta/STJ dilation, aortic sinus dilation, and cusp pathology.
  • Long-term results show high survival (85-95%), freedom from reoperation (90-95%), and freedom from moderate to severe AI (80-90%) at 8-10 years.

Conclusions:

  • Aortic valve repair (AVr) is a viable and effective treatment for aortic insufficiency (AI), particularly in select patients.
  • A standardized, pathology-directed approach combined with meticulous patient selection improves reproducibility and long-term outcomes.
  • AVr offers significant benefits over AVR, including reduced long-term complications and excellent functional results.