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Related Concept Videos

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 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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Abdominal Aorta01:25

Abdominal Aorta

887
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...
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The Aorta01:14

The Aorta

942
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...
942
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

18
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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Related Experiment Video

Updated: Jul 23, 2025

Manufacturing Abdominal Aorta Hydrogel Tissue-Mimicking Phantoms for Ultrasound Elastography Validation
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Infrarenal Abdominal Aortic Aneurysm.

Simon De Freitas1, Nicole D'Ambrosio1, Javairiah Fatima1

  • 1Department of Vascular Surgery, Georgetown University Hospital, MedStar Health, Washington, DC, USA.

The Surgical Clinics of North America
|July 16, 2023
PubMed
Summary

Abdominal aortic aneurysms (AAAs) affect older adults and can rupture, causing high mortality. Early screening and endovascular repair of asymptomatic AAAs significantly reduce death rates.

Keywords:
Abdominal aortic aneurysmEndovascularOpen repair

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Area of Science:

  • Vascular Surgery
  • Public Health
  • Geriatric Medicine

Background:

  • Abdominal aortic aneurysms (AAAs) affect 6% of men and 1.7% of women over 65.
  • AAAs are often asymptomatic until rupture, which has an 80% mortality rate.
  • Ruptured AAA intervention survival is poor, with 50% mortality during hospitalization.

Purpose of the Study:

  • To highlight the importance of prophylactic repair for asymptomatic abdominal aortic aneurysms.
  • To emphasize the role of population-based screening programs in reducing AAA mortality.
  • To discuss the suitability of endovascular repair for infrarenal AAAs.

Main Methods:

  • Review of natural history and outcomes of abdominal aortic aneurysms.
  • Analysis of population-based screening program benefits.
  • Discussion of endovascular repair feasibility for infrarenal AAAs.

Main Results:

  • Prophylactic repair during the asymptomatic phase reduces AAA mortality.
  • Screening programs support mortality reduction on a population level.
  • 60% of AAAs are infrarenal and suitable for endovascular repair.

Conclusions:

  • Early detection and endovascular repair are crucial for reducing abdominal aortic aneurysm mortality.
  • Endovascular techniques are now the primary method for AAA repair, replacing open surgery.
  • Screening programs are vital for identifying AAAs amenable to timely intervention.