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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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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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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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The Arch of Aorta01:10

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The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
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Abdominal Aorta01:25

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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.
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Arteries and Arterioles01:16

Arteries and Arterioles

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Arteries, the vasculature responsible for transporting blood from the heart, possess robust walls capable of enduring the elevated pressures exerted by the heartbeat. Arteries near the heart are especially thick-walled and enriched with elastic fibers across their three tunics, classifying them as elastic or conducting arteries. These arteries, usually with a diameter exceeding 10 mm, are characterized by their ability to dilate in response to the blood pumped from the heart's ventricles...
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Related Experiment Video

Updated: Oct 5, 2025

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
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Moderately dilated ascending aorta-The right wrap?

Pradeep Narayan1, Aditya N Doddamane2, Alan J Bryan3

  • 1NH Rabindranath Tagore International Institute of Cardiac Sciences, Kolkata, West Bengal, India.

Journal of Cardiac Surgery
|January 27, 2022
PubMed
Summary
This summary is machine-generated.

External aortic reinforcement using various materials has been explored for decades. This review focuses on the effectiveness of aortic wrapping, especially with autologous pericardium, for treating dilated or thin-walled aortas.

Keywords:
aortic wrappingautologous pericardiumdilated aorta

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Area of Science:

  • Cardiovascular Surgery
  • Biomaterials Science
  • Medical Device Engineering

Background:

  • Dilated and thin-walled aortas pose significant clinical challenges, increasing risks of rupture and dissection.
  • External reinforcement techniques aim to provide structural support to weakened aortic walls.
  • Various biomaterials have been investigated for aortic wrapping over the past 50 years.

Purpose of the Study:

  • To critically assess the existing evidence on the efficacy of external aortic wrapping as a reinforcement strategy.
  • To compare the available material options for aortic support, with a specific emphasis on autologous pericardium.
  • To provide an overview of current approaches and future directions in aortic reinforcement.

Main Methods:

  • Systematic review and evidence synthesis of published studies on aortic wrapping techniques.
  • Comparative analysis of different biomaterials used for external aortic support.
  • Focused evaluation of studies utilizing autologous pericardium for aortic reinforcement.

Main Results:

  • Evidence regarding the efficacy of aortic wrapping is variable, with outcomes depending on the material and technique used.
  • Autologous pericardium has been explored as a biocompatible option, but its long-term durability and efficacy require further investigation.
  • Comparative data on different wrapping materials are limited, hindering definitive conclusions on the optimal choice.

Conclusions:

  • External aortic reinforcement remains an area of active research and development.
  • While various materials have been employed, robust evidence supporting the widespread adoption of specific wrapping techniques is still emerging.
  • Further well-designed studies are needed to establish the safety, efficacy, and long-term outcomes of different aortic wrapping strategies, particularly autologous pericardium.