Related Experiment Video

Updated: Aug 30, 2026

A Minimally Invasive Model of Aortic Stenosis in Swine
06:51

A Minimally Invasive Model of Aortic Stenosis in Swine

Published on: October 20, 2023

Aortic stenosis: spectrum of diseases depicted at multisection CT

Carmen Sebastià1, Sergi Quiroga, Rosa Boyé

  • 1Institut de Diagnòstic per la Imatge, Vall d'Hebron Teaching Hospital, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain. sebastia@hg.vhebron.es

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|October 15, 2003
PubMed

Insights

Aortic stenosis, a narrowing of the aorta, can stem from various conditions. Multisection CT imaging offers a rapid and detailed method for diagnosing stenosis and visualizing collateral pathways, aiding differential diagnosis.

Area of Science:

  • Radiology
  • Vascular Medicine
  • Diagnostic Imaging

Background:

  • Aortic stenosis, or narrowing of the aortic lumen, has diverse etiologies including congenital anomalies, atherosclerosis, and inflammatory conditions.
  • Impedance of blood flow due to stenosis can precipitate the development of collateral arterial pathways.

Purpose of the Study:

  • To highlight the utility of multisection computed tomography (CT) in evaluating aortic stenosis and associated collateral circulation.
  • To emphasize the importance of recognizing stenosis types and collateral patterns for accurate differential diagnosis.

Main Methods:

  • Review of imaging techniques for aortic stenosis, comparing aortography with helical and multisection CT.
  • Focus on the capabilities of multisection CT in depicting aortic anatomy and collateral pathways.

Main Results:

  • Multisection CT provides high-quality arterial-phase imaging of the aorta and thoracoabdominal collateral pathways rapidly (under 1 minute).
  • This technique supports versatile two-dimensional and three-dimensional reformations, offering comprehensive anatomical detail.
  • Multisection CT can serve as an alternative or adjunct to traditional aortography.

Conclusions:

  • Multisection CT is a valuable tool for the rapid and detailed assessment of aortic stenosis and its collateral network.
  • Accurate interpretation of CT findings, including stenosis morphology and collateral configuration, is crucial for effective differential diagnosis in patients with aortic stenosis.

More Related Videos

Quantitative Micro-CT Analysis of Aortopathy in a Mouse Model of β-aminopropionitrile-induced Aortic Aneurysm and Dissection06:46

Quantitative Micro-CT Analysis of Aortopathy in a Mouse Model of β-aminopropionitrile-induced Aortic Aneurysm and Dissection

Published on: July 16, 2018

Novel and Innovative Hybrid Technique for Type A Aortic Dissection06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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...
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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...
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...