{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T14:09:54Z","timestamp":1740146994491,"version":"3.37.3"},"reference-count":32,"publisher":"Public Library of Science (PLoS)","issue":"6","license":[{"start":{"date-parts":[[2024,6,13]],"date-time":"2024-06-13T00:00:00Z","timestamp":1718236800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100006769","name":"Russian Science Foundation","doi-asserted-by":"publisher","award":["21-15-00091"],"award-info":[{"award-number":["21-15-00091"]}],"id":[{"id":"10.13039\/501100006769","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:p>Currently, the primary factor indicating the necessity of an operation for an abdominal aortic aneurysm (AAA) is the diameter at its widest part. However, in practice, a large number of aneurysm ruptures occur before reaching a critical size. This means that the mechanics of aneurysm growth and remodeling have not been fully elucidated. This study presents a novel method for assessing the elastic properties of an aneurysm using an ultrasound technique based on tracking the oscillations of the vascular wall as well as the inner border of the thrombus. Twenty nine patients with AAA and eighteen healthy volunteers were considered. The study presents the stratification of a group of patients according to the elastic properties of the aneurysm, depending on the relative volume of intraluminal thrombus masses. Additionally, the neural network analysis of CT angiography images of these patients shows direct (<jats:italic>r<\/jats:italic> = 0.664271) correlation with thrombus volume according to ultrasound data, the reliability of the Spearman correlation is <jats:italic>p<\/jats:italic> = 0.000215. The use of finite element numerical analysis made it possible to reveal the mechanism of the negative impact on the AAA integrity of an asymmetrically located intraluminal thrombus. The aneurysm itself is considered as a complex structure consisting of a wall, intraluminal thrombus masses, and areas of calcification. When the thrombus occupies &gt; 70% of the lumen of the aneurysm, the deformations of the outer and inner surfaces of the thrombus have different rates, leading to tensile stresses in the thrombus. This poses a risk of its detachment and subsequent thromboembolism or the rupture of the aneurysm wall. This study is the first to provide a mechanistic explanation for the effects of an asymmetrical intraluminal thrombus in an abdominal aortic aneurysm. The obtained results will help develop more accurate risk criteria for AAA rupture using non-invasive conventional diagnostic methods.<\/jats:p>","DOI":"10.1371\/journal.pone.0301047","type":"journal-article","created":{"date-parts":[[2024,6,13]],"date-time":"2024-06-13T17:23:28Z","timestamp":1718299408000},"page":"e0301047","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":0,"title":["The role of asymmetry and volume of thrombotic masses in the formation of local deformation of the aneurysmal-altered vascular wall: An in vivo study and mathematical modeling"],"prefix":"10.1371","volume":"19","author":[{"given":"Denis","family":"Tikhvinsky","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria","family":"Maus","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5708-1513","authenticated-orcid":true,"given":"Anna","family":"Lipovka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nikita","family":"Nikitin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rostislav","family":"Epifanov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Irina","family":"Volkova","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rustam","family":"Mullyadzhanov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexander","family":"Chupakhin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniil","family":"Parshin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrey","family":"Karpenko","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"340","published-online":{"date-parts":[[2024,6,13]]},"reference":[{"key":"pone.0301047.ref001","doi-asserted-by":"crossref","DOI":"10.1155\/2013\/472564","article-title":"CFD modelling of abdominal aortic aneurysm on hemodynamic loads using a realistic geometry with CT","volume":"2013","author":"E Soudah","year":"2013","journal-title":"Computational and mathematical methods in medicine"},{"issue":"1","key":"pone.0301047.ref002","first-page":"11","article-title":"Abdominal aortic aneurysm: A comprehensive review","volume":"16","author":"S Aggarwal","year":"2011","journal-title":"Experimental & Clinical Cardiology"},{"issue":"22","key":"pone.0301047.ref003","doi-asserted-by":"crossref","first-page":"2968","DOI":"10.1001\/jama.287.22.2968","article-title":"Rupture rate of large abdominal aortic aneurysms in patients refusing or unfit for elective repair","volume":"287","author":"FA Lederle","year":"2002","journal-title":"Jama"},{"issue":"9921","key":"pone.0301047.ref004","doi-asserted-by":"crossref","first-page":"963","DOI":"10.1016\/S0140-6736(14)60109-4","article-title":"Mortality from ruptured abdominal aortic aneurysms: clinical lessons from a comparison of outcomes in England and the USA","volume":"383","author":"A Karthikesalingam","year":"2014","journal-title":"The Lancet"},{"issue":"1","key":"pone.0301047.ref005","doi-asserted-by":"crossref","first-page":"94","DOI":"10.3390\/biomedicines10010094","article-title":"AAA revisited: a comprehensive review of risk factors, management, and hallmarks of pathogenesis","volume":"10","author":"V Kessler","year":"2022","journal-title":"Biomedicines"},{"issue":"9141","key":"pone.0301047.ref006","doi-asserted-by":"crossref","first-page":"1649","DOI":"10.1016\/S0140-6736(98)10137-X","article-title":"Small Aneurysm Trial Participants. 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