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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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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...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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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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Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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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...
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Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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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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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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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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The Arch of Aorta01:10

The Arch of Aorta

950
The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
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Related Experiment Video

Updated: Aug 27, 2025

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
04:56

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Published on: August 1, 2025

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[Aortic Root Pseudoaneurysm].

Haruo Yamauchi1

  • 1Department of Cardiac Surgery, The University of Tokyo, Tokyo, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|September 26, 2022
PubMed
Summary
This summary is machine-generated.

Aortic root pseudoaneurysm repair, often requiring redo aortic root replacement, showed high survival rates. Graft choice and infection status did not significantly impact long-term outcomes in this study.

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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Surgery

Background:

  • Aortic root pseudoaneurysms commonly arise from suture lines after aortic root replacement, linked to connective tissue diseases, aortitis, or endocarditis.
  • Diagnostic imaging like computed tomography (CT) and echocardiography are crucial for pseudoaneurysm diagnosis and surgical planning.
  • Redo aortic root replacement is typically required, with resternotomy posing challenges for large pseudoaneurysms near the sternum.

Purpose of the Study:

  • To evaluate surgical repair strategies and outcomes for aortic root pseudoaneurysms.
  • To assess the impact of graft selection and preoperative infectious status on patient survival.

Main Methods:

  • Surgical repair of 45 patients with aortic root pseudoaneurysm from 2011 onwards.
  • Aortic root replacement (homograft or modified Bentall procedure) was performed in 80% of patients.
  • Preoperative imaging (CT, echocardiography) and intraoperative management techniques were employed.

Main Results:

  • Overall survival at discharge was 100%, with 1-year survival at 96.8% and 5-year survival at 74.9%.
  • Infectious etiology was present in 67% of cases.
  • Neither preoperative infectious status nor graft selection significantly affected long-term survival.

Conclusions:

  • Surgical repair of aortic root pseudoaneurysms, including redo aortic root replacement, yields favorable survival outcomes.
  • Effective management of infection and appropriate graft selection are key, though not significantly impacting long-term survival in this cohort.
  • Techniques like cardiopulmonary bypass with apical venting can aid in managing challenging resternotomies.