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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 II: Clinical Manifestations and Diagnostic Studies01:21

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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 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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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

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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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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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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.
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Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
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Thoracic aorta--dilated or not?

Matias Hannuksela1, Stefan Lundqvist, Bo Carlberg

  • 1Department of Surgical and Perioperative Sciences, Heart Center, Umeå University Hospital, Umeå, Sweden. matias.hannuksela@vll.se

Scandinavian Cardiovascular Journal : SCJ
|June 27, 2006
PubMed
Summary

Normal thoracic aortic diameters increase with age, influencing assessment of aortic disease. Formulas are provided to calculate upper normal limits based on age, sex, and BMI for accurate diagnosis.

Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Anatomy

Background:

  • Accurate assessment of aortic disease relies on understanding normal thoracic aortic diameters.
  • Establishing reference values is crucial for clinical interpretation of imaging studies.

Purpose of the Study:

  • To determine normal thoracic aortic diameters in a patient cohort.
  • To investigate the influence of age, sex, and body mass index (BMI) on aortic dimensions.

Main Methods:

  • Computed tomography (CT) of the thorax was performed on 77 patients.
  • Thoracic aortic diameters were measured at multiple levels in the ascending and descending aorta.
  • Measurements were analyzed in relation to patient age, sex, weight, and height.

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Main Results:

  • Thoracic aortic diameter significantly increases with age.
  • Sex and BMI also influence aortic diameter, though to a lesser extent than age.
  • Formulas derived: Ascending aorta D(mm) = 31 + 0.16*age; Descending aorta D(mm) = 21 + 0.16*age.

Conclusions:

  • Age is the primary determinant of normal thoracic aortic diameter.
  • Incorporating age into the assessment is essential for accurate detection of aortic dilation.
  • Sex and anthropometric factors play a secondary role in aortic sizing.