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Abstract #1894

Evaluation of the process of aneurysm embolization after the bioabsorbable coil: A comparative study of HR-VWI and pathology

Bing Tian1, Yuxi Hou1, Zhen Wang1, and Jianping Lu1
1Changhai hospital of Shanghai, Shanghai, China

Synopsis

Keywords: Vascular/Vessel Wall, Cardiovascular

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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Keywords