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Related Concept Videos

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...
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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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Related Experiment Video

Updated: Jun 13, 2026

Manufacturing Abdominal Aorta Hydrogel Tissue-Mimicking Phantoms for Ultrasound Elastography Validation
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Published on: September 19, 2018

Numerical Evaluation of Abdominal Aortic Aneurysms Utilizing Finite Element Method.

Konstantinos Kyparissis1, Nikolaos Kladovasilakis1, Maria-Styliani Daraki1

  • 1School of Production Engineering and Management, Technical University of Crete, 731 00 Chania, Greece.

Diagnostics (Basel, Switzerland)
|March 28, 2025
PubMed
Summary

Finite Element Models (FEMs) aid medical decisions by simulating circulatory system mechanics. This study used FEMs to assess abdominal aortic aneurysm rupture risk, finding larger aneurysms significantly increase this danger.

Keywords:
3D reconstructionDICOMabdominal aneurysmsaortic wallsfinite elements modelsmechanical behaviorrupture risk assessment

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Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery

Published on: December 6, 2024

Area of Science:

  • Biomedical Engineering
  • Computational Mechanics
  • Medical Imaging

Background:

  • Numerical tools increasingly support medical evaluation and decision-making for complex cases.
  • Finite Element Models (FEMs) are crucial for simulating circulatory system fluid and structural dynamics.
  • FEMs can calculate risks associated with blood vessel function.

Purpose of the Study:

  • To develop a computational tool using the finite element method for evaluating stresses in abdominal aortic aneurysms.
  • To provide data for creating patient-specific digital twins of aortas.
  • To numerically assess rupture risk in abdominal aortic aneurysms.

Main Methods:

  • Developed a computational tool based on the finite element method.
  • Examined 12 distinct cases of aortas with abdominal aneurysms.
  • Performed 3D reconstruction from DICOM files into surface models.
  • Created a finite element material model to simulate aortic wall mechanical behavior.

Main Results:

  • Quantified tension, strain, and displacement values through finite element analysis.
  • Generated a rapid risk assessment for aortic rupture.
  • Identified larger aneurysmatic regions as a key factor increasing rupture risk.

Conclusions:

  • The developed FEM tool accurately simulates aortic mechanical behavior and quantifies biomechanical parameters.
  • Patient-specific digital twins can be created using this approach.
  • Risk assessment revealed that some cases with larger aneurysms have an over 90% risk of aortic rupture.