Application and progress of hemodynamics in Stanford type B aortic dissection_CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY

Authors：

ZHOU Xudong ^1,2 , XU Haoyue ¹ ,  YUAN Ding ¹

1. Division of Vascular Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
2. Department of General Surgery, Suining First People’s Hospital, Suining, Sichuan 629000, P. R. China;

Corresponding?author：

YUAN Ding, Email: docyuanding@gmail.com

Keywords：

Stanford type B aortic dissection; hemodynamics; computational fluid dynamics; review

DOI：

10.7507/1007-9424.202511095

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Objective To elucidate the crucial role of hemodynamics in the diagnosis and management of Stanford type B aortic dissection (TBAD). Method A comprehensive review of current literature was conducted to systematically analyze the hemodynamic characteristics of TBAD and the changes in key hemodynamic parameters following thoracic endovascular aortic repair (TEVAR), as well as their association with false lumen patency, thrombosis, and aortic remodeling. Results The onset and prognosis of TBAD exhibit distinct hemodynamic features. TEVAR, by sealing the proximal entry tear, significantly reduces false lumen pressure and flow velocity, creating a hemodynamic environment conducive to thrombosis. Computational fluid dynamics simulations reveal that factors such as stent-graft configuration and residual tears directly influence the process of false lumen thrombosis and aortic remodeling outcomes by altering wall shear stress and flow patterns. Hemodynamic parameters can serve as important indicators for evaluating surgical efficacy and predicting long-term complications. Conclusions Hemodynamic analysis is essential for understanding TBAD progression and the effectiveness of TEVAR. Establishing a systematic, patient-specific hemodynamic assessment system holds significant clinical value for achieving individualized surgical planning, precise postoperative management, and prognostic evaluation, representing an important direction for improving long-term outcomes in TBAD patients.

Citation： ZHOU Xudong, XU Haoyue, YUAN Ding. Application and progress of hemodynamics in Stanford type B aortic dissection. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2026, 33(4): 551-556. doi: 10.7507/1007-9424.202511095 Copy

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11. Shen Y, Wang J, Zhao J, et al. Development and validation of a user friendly morphology grading system (PATENT) predicting aortic remodelling after thoracic endovascular aortic repair in high risk uncomplicated type B aortic dissection. Eur J Vasc Endovasc Surg, 2024, 68(5): 579-587.
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47. Karmonik C, Partovi S, Müller-Eschner M, et al. Longitudinal computational fluid dynamics study of aneurysmal dilatation in a chronic DeBakey type Ⅲ aortic dissection. J Vasc Surg, 2012, 56(1): 260-263.e1.
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CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY

Application and progress of hemodynamics in Stanford type B aortic dissection

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