ArticleAnnals of vascular diseases2026
Preoperative Mural Thrombus Volume Ratio Predicts Aneurysm Enlargement in Type 2 Endoleak after Endovascular Aortic Repair.
Article in Annals of vascular diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: This study aimed to identify anatomical predictors of aneurysm enlargement in patients with lumbar artery (LA)-related type 2 endoleak (T2EL) after endovascular aortic repair (EVAR). Methods: This retrospective observational cohort study included 59 patients with infrarenal abdominal aortic aneurysms who developed T2EL caused exclusively by LAs after EVAR between January 2019 and July 2024. Computed tomography-based anatomical parameters, including mural thrombus volume ratio, calcified volume ratio, aneurysm diameter, and LA anatomy, were analyzed. Results: During a median follow-up of 33 months, aneurysm enlargement occurred in 9 patients (15.3%). Patients with aneurysm enlargement had a significantly lower mural thrombus volume ratio ( Conclusions: A low preoperative mural thrombus volume ratio was associated with aneurysm enlargement in patients with LA-related T2EL after EVAR. This parameter may serve as a practical imaging biomarker to support selective consideration of preemptive embolization.
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