Evaluation of Type I endoleak after endovascular aneurysm repair for abdominal aortic aneurysm using component quantification of energy loss: a preliminary feasibility study.

Ran Tao, Qiming Liu, Weihao Guo, Lingshang Kong, Wenbin Wang, Xudong Jiang, Peng Wu, Yeben Qian

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Article in Frontiers in cardiovascular medicine, 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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8 authors.

Ran Tao *General Surgery Department, The First Affiliated Hospital of Anhui Medical University, Hefei, China.

Qiming Liu *General Surgery Department, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.

Weihao Guo *General Surgery Department, The First Affiliated Hospital of Anhui Medical University, Hefei, China.

Lingshang KongGeneral Surgery Department, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.

Wenbin WangGeneral Surgery Department, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.

Xudong JiangGeneral Surgery Department, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.

Peng WuPrecision and Intelligence Medical Imaging Lab, Beijing Friendship Hospital, Capital Medical University, Beijing. China.

Yeben QianGeneral Surgery Department, The First Affiliated Hospital of Anhui Medical University, Hefei, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objective: This study aimed to perform hemodynamic simulations using patient-specific models of abdominal aortic aneurysms (AAA) following endovascular aneurysm repair (EVAR) to investigate the association between energy loss (EL) and Type I endoleak. Methods: Pre- and post-EVAR models were reconstructed from computed tomography angiography (CTA) for four patients with Type I endoleak and four without. Component quantification of EL, along with wall shear stress (WSS)-related hemodynamic parameters, were employed to evaluate the potential of endoleak. Results: Endoleaks following EVAR tended to occur at the junction of stent grafts, where high time-averaged wall shear stress (TAWSS), high turbulence EL, and high mean flow EL were observed. The turbulence EL values for the main stents, left iliac branch stents, and right iliac branch stents in the endoleak group were 516 ± 183*10 Conclusion: Component quantification of EL demonstrated preliminary feasibility for evaluating Type I endoleak in patients with EVAR for AAA, demonstrating greater advantages over WSS-related hemodynamic parameters. This method may provide valuable support for clinicians in assessing surgical prognosis.

Indexed as

abdominal aortic aneurysmscomputational fluid dynamicsendovascular aneurysm repairenergy losstype i endoleak

Identifiers

PMID42699098

DOI10.3389/fcvm.2026.1849668

PMCPMC13542642

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