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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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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, 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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Related Experiment Video

Updated: Sep 9, 2025

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Rupture risk assessment for AComA aneurysms with morphological, hemodynamic and structural mechanical analysis.

Jozsef Nagy1, Nico Stroh-Holly2, Wolfgang Fenz3

  • 1eulerian-solutions e.U. Leonfeldnerstraße 245, Linz, Austria.

Plos One
|September 2, 2025
PubMed
Summary
This summary is machine-generated.

Gaussian curvature (GLN) is a key predictor of Anterior Communicating Artery aneurysm rupture risk. This morphological parameter, along with composite metrics like WGD and WG, offers excellent predictive power for optimizing treatment decisions.

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Area of Science:

  • Neurosurgery
  • Biomedical Engineering
  • Medical Imaging

Background:

  • Anterior Communicating Artery (AComA) complex aneurysms are common intracranial pathologies.
  • Accurate rupture risk assessment is crucial for effective patient management.
  • Fluid-structure interaction (FSI) analysis offers a comprehensive approach by integrating hemodynamics and wall mechanics.

Purpose of the Study:

  • To investigate single and composite parameters for predicting AComA aneurysm rupture risk.
  • To assess the predictive performance of morphological, hemodynamic, and structural-mechanical parameters.
  • To validate findings through internal cohort analysis.

Main Methods:

  • Analysis of clinical, morphological, hemodynamic, and structural-mechanical parameters in 150 AComA aneurysm patients.
  • Workflow analysis including comparative and collinearity analysis, predictive modeling, and performance evaluation.
  • Internal validation using 25 independent ruptured aneurysms.

Main Results:

  • Gaussian curvature (GLN) demonstrated the highest predictive power as a single parameter (AUC=0.91, sensitivity=0.93, specificity=0.83).
  • Composite parameters WGD (AUC=0.89) and WG (AUC=0.88) also showed strong predictive capabilities.
  • Internal validation confirmed GLN's high sensitivity (0.92) for rupture prediction.

Conclusions:

  • Investigated parameters offer a potential tool for AComA aneurysm rupture risk evaluation.
  • GLN, WGD, and WG exhibit excellent prediction power, validated internally.
  • Further research is needed to explore the clinical application of these parameters.