This comparative study assesses aneurysm embolization changes via HR-VWI and pathology, suggesting effective monitoring methods.
Motivation: Evaluate the process of aneurysm embolization after the bioabsorbable coil using HR-VWI, compared with pathology. Goal(s): To monitor the dynamic change of aneurysm embolization after treatment with bioabsorbable coils. Approach: HR-VWI, including T2WI, pre-contrast T1WI, and post-contrast T1WI, was used to monitor the aneurysm change 14-, 90-, 270-, and 540-day after treatment and compare with histological results. Results: The signal and enhancement pattern of the aneurysm after the bioabsorbable coil changed during the regular follow-up, which was in accordance with the inflammation and embolization process. Impact: Aneurysm neck, lumen, and surrounding changes on HR-VWI can reflect the endothelialization, thrombus, and inflammatory process of aneurysms after coils, making HR-VWI an efficient tool for monitoring the embolization changes of aneurysms after bioabsorbable coils.
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Tian et al. (2025) studied this question.
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