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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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...
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...

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Related Experiment Video

Updated: May 11, 2026

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

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Aortic false aneurysm after double valve replacement in a child.

Daisuke Kobayashi1, Henry L Walters, Thomas J Forbes

  • 1Division of Cardiology, Children's Hospital of Michigan, Wayne State University School of Medicine, Detroit, Michigan, USA. dkobayas@dmc.org

The Annals of Thoracic Surgery
|May 28, 2013
PubMed
Summary

A rare aortic false aneurysm (AFA) complication in a boy after aortic valve surgery was caused by graft abrasion from a pulmonary valve conduit. Surgical repair involved patching the conduit to prevent AFA recurrence.

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Area of Science:

  • Cardiovascular Surgery
  • Medical Device Complications
  • Pediatric Cardiology

Background:

  • Aortic false aneurysm (AFA) is a rare, life-threatening complication following aortic surgery.
  • Double valve replacement procedures, including the Bentall procedure, are complex cardiac surgeries.
  • Prosthetic valves and grafts are commonly used in these interventions.

Observation:

  • A 13-year-old boy developed an AFA after a double valve replacement.
  • The surgery involved a Bentall procedure with a Hemashield Dacron graft and a porcine valved conduit for right ventricle to pulmonary artery replacement.
  • Abrasion of the Hemashield graft by the metal ring of the pulmonary prosthetic valve conduit was identified as the cause.

Findings:

  • The mechanical interaction between the pulmonary conduit's metal ring and the aortic graft led to graft abrasion and subsequent AFA formation.
  • The AFA was successfully treated with simple suture repair.
  • The pulmonary conduit was reinforced with a Gore-Tex patch to mitigate the risk of recurrence.

Implications:

  • This case highlights a unique mechanical complication arising from the interaction of different prosthetic components in complex cardiac surgery.
  • Awareness of potential graft-device interactions is crucial for preventing AFAs in pediatric and adult cardiac surgery patients.
  • The use of reinforcing patches may be a valuable strategy to prevent AFA recurrence in similar scenarios.