{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,25]],"date-time":"2025-11-25T12:33:49Z","timestamp":1764074029234,"version":"3.45.0"},"reference-count":54,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T00:00:00Z","timestamp":1762473600000},"content-version":"vor","delay-in-days":6,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003130","name":"Fonds Wetenschappelijk Onderzoek","doi-asserted-by":"publisher","award":["G029819N"],"award-info":[{"award-number":["G029819N"]}],"id":[{"id":"10.13039\/501100003130","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Numer Methods Biomed Eng"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Aortic dissection (AD), particularly type B aortic dissection (TBAD), is a severe vascular condition with complex biomechanical implications that pose challenges for effective treatment. Thoracic endovascular aortic repair (TEVAR) has emerged as the standard approach for acute complicated TBAD; however, its efficacy in chronic cases remains uncertain due to factors such as fibrotic dissection flap and altered aortic wall properties. Current numerical simulations of TEVAR provide valuable insights into stent\u2010graft behavior but lack comprehensive analyses of the effect of variable thickness distributions in patient\u2010specific aortic anatomies and sensitivity of results to procedural factors such as the guiding catheter position. This study presents a finite element\u2010based simulation pipeline to investigate the impact of (i) thickness variations in the aortic wall and dissection flap and (ii) guiding catheter path on the predictive accuracy of TEVAR outcomes in chronic TBAD. Using a virtual catheter technique implemented in Abaqus\/Explicit, stent\u2010graft deployment was simulated in a patient\u2010specific model. The model incorporates hexahedral meshing for wall thickness distribution to improve computational efficiency. Quantitative assessment of the model's predictions reveals strong agreement with post\u2010TEVAR CT data when a uniform aortic wall thickness is assumed and the guiding catheter path is reconstructed based on follow\u2010up CT scan. Specifically, the predictions show radial, longitudinal, transverse, and angular deviations of 4.14%\u2009\u20093.25%, 4.75\u2009\u20091.70\u2009mm, 4.29\u2009\u20091.36\u2009mm, and 6.08\u00b0\u2009\u20094.22\u00b0, respectively. Thickness variations in the dissection flap and aortic wall minimally affect stent\u2010graft positional predictions but significantly influence radius expansion and spatial configuration.<\/jats:p>","DOI":"10.1002\/cnm.70110","type":"journal-article","created":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T12:55:07Z","timestamp":1762520107000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Modeling Stent\u2010Graft Deployment in Chronic Type B Aortic Dissection: A Patient\u2010Specific Study on the Impact of Variations in Aortic Wall Thickness and Stent Delivery Procedure Assumptions"],"prefix":"10.1002","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6502-946X","authenticated-orcid":false,"given":"Guillermo","family":"Fern\u00e1ndez","sequence":"first","affiliation":[{"name":"Biomechanics Section, Department of Mechanical Engineering KU Leuven  Leuven Belgium"},{"name":"Institute of 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