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17F-023 포스터 발표

Risk Factors of Secondary Intervention for Type II Endoleaks in Endovascular Aneurysm Repair: An 8-year Single Institution Study
Up Huh, Sung Woon Chung, Sang-pil Kim, Seunghwan Song, Miju Bae, Chung Won Lee
Department of Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Pusan National University College of Medicine, Busan, Republic of Korea

Purpose : The clinical progression of a type II endoleak (T2EL) is controversial. Therefore, we aimed to review our experience with T2ELs in endovascular aneurysm repair (EVAR), and to report risk factors of T2EL occurrence and factors affecting secondary intervention for T2ELs.

Methods : We retrospectively reviewed electronic medical records of all patients who underwent EVAR for infrarenal-type abdominal aortic aneurysms (AAAs) at a single institution from August 2007 to November 2015. Demographic and clinical data were collected. Preoperative contrast computed tomography scans were reviewed to determine aneurysm morphology (the maximum AAA diameter, number of lumbar arteries that enter the AAA sac, size of the IMA, proximal neck diameter, proximal neck angle, existence of thrombosis, existence of atheroma, and existence of rupture).

Results : Sixty-two patients underwent EVAR; the follow-up duration was 35.82±31.89 months. There were statistically significant differences in female sex (P=.040), number of lumbar arteries on preoperative computed tomography scans (P=.010), and non-smoking status (P=.031) between patients with and without T2ELs. There were statistically significant differences in the maximum AAA diameter (P=.034) and size of the inferior mesenteric artery (IMA) (P=.043) between patients with and without secondary intervention in T2EL. There was one mortality after EVAR but no mortality associated with T2ELs.

Conclusion : A more judicious approach that considers risk factors of T2ELs is needed before EVAR. It is also necessary to consider the probability of secondary intervention for T2ELs in patients with a maximum AAA diameter ≥7 cm and IMA ≥3 cm.


책임저자: Chung Won Lee
Department of Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Pusan National University College of Medicine, Busan, Republic of Korea
발표자: Up Huh, E-mail : tymfoo82@gmail.com

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