Hemodynamic Analysis Using 4D Flow MRI in a Case of Aortic Dissection With Aberrant Right Subclavian Artery

Kenji Sakakibara; Hiroyuki Nakajima; Yukiyo Yoshida; Yudai Hagihara; Chie Nakamura; Daichi Shikata; Yuki Takesue; Satoru Shiraiwa; Yoshihiro Honda; Shigeaki Kaga; Masahiro Hamasaki; Hisashi Johno; Hiroaki Watanabe

doi:10.1002/ccr3.70067

Hemodynamic Analysis Using 4D Flow MRI in a Case of Aortic Dissection With Aberrant Right Subclavian Artery

Clin Case Rep. 2025 Jan 5;13(1):e70067. doi: 10.1002/ccr3.70067. eCollection 2025 Jan.

Affiliations

¹ Department of Surgery (II), Faculty of Medicine University of Yamanashi Yamanashi Japan.
² Department of Radiology, Faculty of Medicine University of Yamanashi Yamanashi Japan.

Abstract

Four-dimensional flow magnetic resonance imaging (4D flow MRI) was utilized to analyze an aortic dissection with an aberrant right subclavian artery, revealing vortex formation and an increased oscillatory shear index (OSI), both indicative of variations in wall shear stress. An elevated OSI has been associated with an elevated risk of aortic dissection.

Keywords: 4D flow MRI; aberrant right subclavian artery; aortic dissection; oscillatory shear index.