Value of computed tomography angiography (CTA) measured aneurysm morphology and incidence angle

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Xu Y.; Li Y.; Liu R.; Wu A.; Mao D.; Zhou R.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF RADIATION RESEARCH Year:2025 | Volume:23 | Issue:2 Page(s): 493-496

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Information Journal Paper

Title

Value of computed tomography angiography (CTA) measured aneurysm morphology and incidence angle

Author(s)

Xu Y. | Li Y. | Liu R. | Wu A. | Mao D. | Zhou R. | Issue Writer Certificate

Keywords

Intracranial aneurysm

CT angiography

aneurysm rupture

aneurysm morphology

incidence angle.

Abstract

Background: The study investigates the relationship between aneurysm morphology and incidence angle measured by Computed Tomography Angiography (CTA) and the risk of intracranial aneurysm (IA) rupture. Materials and Methods: We analyzed data from 150 patients with intracranial aneurysms, comparing those with ruptured and non-ruptured aneurysms. Statistical methods were applied to identify key risk factors for rupture. Results: Significant differences were observed in aneurysm morphology, incidence angle, and risk scores between the ruptured and non-ruptured groups. Factors such as irregular aneurysm shape, larger diameter, aspect ratio (AR), size ratio (SR), and incidence angle were associated with higher rupture risk. Conclusion: CTA-measured aneurysm morphology and incidence angle, along with patient-specific factors, are crucial in assessing the risk of IA rupture. These findings can guide clinical decision-making and improve patient outcomes.

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