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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 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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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

24
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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Anastomoses01:19

Anastomoses

1.4K
In human anatomy, anastomosis refers to a connection or opening between two things, particularly between blood vessels or other tubular structures. The term is derived from the Greek term 'anastomosis,' which means 'outlet' or 'opening.' This natural network of connections plays a critical role in the survival and functionality of the human body.
Anastomoses can be formed at arterial, venous, and lymphatic vessels.
Arterial Anastomosis: These occur between arteries. They...
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Related Experiment Video

Updated: Sep 13, 2025

Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit
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Double-Barrel Anastomotic False Aortic Aneurysm.

Keita Kamata1, Mitsumasa Hata2, Masashi Tanaka1

  • 1Department of Cardiovascular Surgery, Nihon University School of Medicine, Tokyo, JPN.

Cureus
|July 28, 2025
PubMed
Summary

A patient developed a rare false aortic aneurysm around a prosthetic graft two years after surgery. This case highlights an unreported pathology involving anastomotic site tears and pericardial blood circulation.

Keywords:
aortic aneurysm repairaortic aneurysm surgerydistal tearproximal tearredo surgerythoracic aortic aneurysm repairthoracic aortic surgery

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Vascular Surgery

Background:

  • Ascending aortic graft replacement is a common procedure for aortic aneurysms.
  • Post-operative complications can include graft failure and pseudoaneurysm formation.
  • Long-term surveillance is crucial for patients with aortic prostheses.

Observation:

  • A 68-year-old woman presented with sudden chest pain two years after ascending aortic graft replacement.
  • Computed tomography revealed a large false aortic aneurysm surrounding the prosthetic graft.
  • The patient was hemodynamically stable without anemia.

Findings:

  • Urgent surgery under hypothermic circulatory arrest was performed.
  • Tears were identified at both proximal and distal anastomotic sites of the graft.
  • Blood was observed circulating from the proximal (entry) to the distal (re-entry) tears within the pericardium.

Implications:

  • This case represents a potentially unreported pathology of false aortic aneurysms.
  • Understanding this complication is vital for cardiologists and cardiac surgeons.
  • It underscores the importance of vigilance for late complications after aortic graft surgery.