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Usually, this tear involves the intimal and partly the medial layer of the aortic wall. As a result, a new false lumen develops besides the original aorta, denoted then as the true lumen. The local hemodynamic conditions such as flow disturbances, recirculations and low wall shear stress may cause thrombus formation and growth in the false lumen. Since the false lumen status is a significant predictor for late\u2010dissection\u2010related deaths, it is of great importance in the medical management of patients with aortic dissection.<\/jats:p><jats:p>The hemodynamic changes in the aorta also alter the electrical conductivity of blood. Since the blood is much more conductive than other tissues in the body, such changes can be identified with non\u2010invasive methods such as impedance cardiography. Therefore, in this study, the capability of impedance cardiography in monitoring thrombosis in the false lumen is studied by multiphysics simulations to assist clinicians in the medical management of patients under treatment.<\/jats:p><jats:p>To tackle this problem, a 3D computational fluid dynamics simulation has been set up to model thrombosis in the false lumen and its impact on the blood flow\u2010induced conductivity changes. The electrical conductivity changes of blood have been assigned as material properties of the blood\u2010filled aorta in a 3D finite element electric simulation model to investigate the impact of conductivity changes on the measured impedance from the body's surface.<\/jats:p><jats:p>The results show remarkable changes in the electrical conductivity distribution in the measurement region due to thrombosis in the false lumen, which significantly impacts the morphology of the impedance cardiogram. Thus, frequent monitoring of impedance cardiography signals may allow tracking the thrombus formation and growth in the false lumen.<\/jats:p>","DOI":"10.1002\/cnm.3669","type":"journal-article","created":{"date-parts":[[2022,12,12]],"date-time":"2022-12-12T10:20:50Z","timestamp":1670840450000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Monitoring of false lumen thrombosis in type B aortic dissection by impedance cardiography \u2013 A multiphysics simulation study"],"prefix":"10.1002","volume":"39","author":[{"given":"Vahid","family":"Badeli","sequence":"first","affiliation":[{"name":"Institute of Fundamentals and Theory in Electrical Engineering Graz University of Technology  Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alireza","family":"Jafarinia","sequence":"additional","affiliation":[{"name":"Institute of Strength of Materials Graz University of Technology  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