A spatio-temporal model for spontaneous thrombus formation in cerebral aneurysms

Area of Science:

• Biomedical Engineering
• Computational Fluid Dynamics
• Medical Imaging

Background:

• Cerebral aneurysms can lead to thrombus formation, posing significant clinical challenges.
• Accurate modeling of thrombus development is crucial for understanding disease progression and treatment.
• Existing models may not fully capture the complex biomechanical factors involved.

Purpose of the Study:

• To develop and validate a novel numerical model for simulating thrombus formation in cerebral aneurysms.
• To integrate computational fluid dynamics (CFD) with key biomechanical processes.
• To assess the model's ability to replicate patient-specific thrombus characteristics.

Main Methods:

• Development of a computational model incorporating CFD simulations.
• Integration of essential biomechanical processes governing thrombus formation.
• Validation against in vitro experiments and clinical observations.
• Application to patient-specific giant aneurysm geometries.

Main Results:

• The proposed numerical model successfully simulates thrombus formation.
• The model accurately reproduces the shape and volume of patient-specific thrombi.
• The integration of CFD and biomechanical factors provides a comprehensive approach.

Conclusions:

• The developed numerical model offers a powerful tool for studying thrombus formation in cerebral aneurysms.
• The model's ability to replicate patient-specific thrombi enhances its clinical relevance.
• This approach advances our understanding of aneurysm pathophysiology and treatment strategies.