Abstract #3376

MRI findings of aneurysmal inside and walls associated with sac shrinkage after endovascular aortic repair

Teppei Nakagomi¹, Takahiko Mine², Masashi Abe², Tetsuro Sekine³, Daisuke Yasui³, Rika Kobayashi¹, Seigoh Happoh², Shinpei Ikeda², Yasuhiro Kawase⁴, Masahiro Fujii⁴, Hiromitsu Hayashi¹, and Shin-ichiro Kumita¹

¹Dapartment Of Radiology, Nippon Medical School Hospital, Tokyo, Japan, ²Dapartment Of Radiology, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Japan, ³Dapartment Of Radiology, Nippon Medical School Musashikosugi Hospital, Kawasaki, Japan, ⁴Department Of Cardiothoracic Surgery, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Japan

Synopsis

Keywords: Vascular, Cardiovascular, Abdominal aortic aneurysm

Motivation: To survey radiographical parameters to predict outcomes after EVAR.

Goal(s): To reveal new MRI findings associated with aneurysmal shrinkage.

Approach: Various MRI findings were extracted from fifty patients and the relationship between each finding and aneurysmal volume change was analyzed.

Results: Lack of endoleak, endoleak with clear boundary shapes, homogenous signal pattern or uncomplex heterogenous signal pattern of intra-aneurysmal thrombus, and aneurysmal wall enhancement and thickening were noted as the factors for sac shrinkage.

Impact: Some specific MRI findings as lack of endoleak, clear endoleak boundary, homogenous or uncomplex heterogenous thrombus, and aneurysmal wall enhancement thickening were noted as the factors for sac shrinkage.

How to access this content:

For one year after publication, abstracts and videos are only open to registrants of this annual meeting. Registrants should use their existing login information. Non-registrant access can be purchased via the ISMRM E-Library.

After one year, current ISMRM & ISMRT members get free access to both the abstracts and videos. Non-members and non-registrants must purchase access via the ISMRM E-Library.

After two years, the meeting proceedings (abstracts) are opened to the public and require no login information. Videos remain behind password for access by members, registrants and E-Library customers.

Click here for more information on becoming a member.