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Related Concept Videos

The Aorta01:14

The Aorta

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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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Aneurysm I: Introduction01:30

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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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Thoracic Aorta01:15

Thoracic Aorta

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The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...
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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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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

152
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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Abdominal Aorta01:25

Abdominal Aorta

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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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Related Experiment Video

Updated: Nov 6, 2025

Author Spotlight: Using Point-of-Care Ultrasound for Comprehensive Evaluation of the Abdominal Aorta
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Circumflex aorta: An uncharted territory.

Maruti Haranal1, Balaji Srimurugan2, Sivakumar Sivalingam1

  • 1Department of Cardiac Surgery, National Heart Institute, Kuala Lumpur, Malaysia.

Asian Cardiovascular & Thoracic Annals
|May 7, 2021
PubMed
Summary
This summary is machine-generated.

Circumflex aorta, a rare vascular ring anomaly, can cause significant airway compression. Surgical repair, including aortic uncrossing and sometimes tracheobronchopexy, offers a complete solution for this condition.

Keywords:
Vascular ringsaortic uncrossingcircumflex aortatracheobronchopexy

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Area of Science:

  • Cardiovascular Surgery
  • Pediatric Cardiology
  • Thoracic Surgery

Background:

  • Vascular rings, including the circumflex retro-esophageal aortic arch, present a spectrum of clinical manifestations.
  • These anomalies can range from incidental findings to severe tracheo-esophageal compression.
  • The circumflex aorta is a complex anomaly that requires specialized surgical knowledge.

Purpose of the Study:

  • To review the embryogenesis, presentation, and management of circumflex aorta.
  • To highlight the importance of accurate preoperative anatomical delineation.
  • To discuss surgical strategies, including aortic uncrossing and tracheobronchopexy.

Main Methods:

  • A comprehensive literature search was conducted using keywords such as 'Circumflex aorta' and 'circumflex arch'.
  • Databases searched included Google Scholar, Scholars Portal Journals, and PubMed.
  • Relevant articles were reviewed from embryogenesis to current management strategies.

Main Results:

  • Right circumflex aorta is more common than left-sided variants.
  • Presentation varies from asymptomatic to acute respiratory distress.
  • CT and MRI are crucial for anatomical assessment; aortic uncrossing is the primary surgical intervention.
  • Tracheobronchopexy is an emerging adjunct for residual tracheomalacia.

Conclusions:

  • Circumflex aorta is surgically correctable with good outcomes.
  • Precise preoperative anatomical assessment is vital for surgical success.
  • Division of the retro-esophageal segment addresses compression, while tracheobronchopexy may help with tracheomalacia, though it carries risks.