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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...
Anastomoses01:19

Anastomoses

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 are most common in...
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...
Abdominal Aorta01:25

Abdominal Aorta

Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
The celiac trunk, a singular artery, divides into the left gastric artery, which...
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...
The Aorta01:14

The Aorta

The aorta is the largest artery in the human body. It originates from the left ventricle of the heart and extends down to the abdomen, where it splits into two smaller arteries. Structurally, it can be divided into four main parts: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta.
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...

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Related Experiment Video

Updated: Jul 7, 2026

Technical Aspects of the Mouse Aortocaval Fistula
06:12

Technical Aspects of the Mouse Aortocaval Fistula

Published on: July 11, 2013

Primary aortoenteric fistula.

Graham Roche-Nagle1, David H O'Donnell, David P Brophy

  • 1Department of Vascular and Endovascular Surgery, St. Vincent's Hospital, Dublin 4, Ireland. grnagle@rcsi.ie

American Journal of Surgery
|February 29, 2008
PubMed
Summary
This summary is machine-generated.

A rare aortoenteric fistula caused a gastrointestinal bleed in an elderly woman with an abdominal aortic aneurysm. Early diagnosis and surgical intervention are crucial for managing this life-threatening condition.

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Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique
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Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique

Published on: April 1, 2022

Related Experiment Videos

Last Updated: Jul 7, 2026

Technical Aspects of the Mouse Aortocaval Fistula
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Published on: July 11, 2013

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique
07:30

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique

Published on: April 1, 2022

Area of Science:

  • Vascular Surgery
  • Gastroenterology
  • Diagnostic Imaging

Background:

  • Aortoenteric fistulae are rare but life-threatening complications, often presenting with gastrointestinal bleeding.
  • Abdominal aortic aneurysms are a significant risk factor for developing aortoenteric fistulae.

Observation:

  • A 78-year-old female presented with acute gastrointestinal hemorrhage.
  • A palpable abdominal aortic aneurysm was noted on physical examination.
  • Computed tomography (CT) scan confirmed a primary aortoenteric fistula.

Findings:

  • The case highlights the diagnostic challenges associated with aortoenteric fistulae.
  • CT imaging is essential for accurate diagnosis of this condition.
  • Surgical management is the primary treatment modality.

Implications:

  • Prompt diagnosis and surgical repair of aortoenteric fistulae are critical for patient survival.
  • Understanding the presentation and diagnostic pathway can improve outcomes.
  • Further research into minimally invasive surgical options may be beneficial.