Abstract #2788

Three-dimensional T1-Weighted Black-Blood Turbo Spin-Echo with Navigator Respiratory Gating for the Vessel Wall Imaging: A Novel Approach to Evaluate Plaque in the Aortic Arch

Kenichi Nakagawa¹, Noriyoshi Morimoto¹, Sachi Fukushima¹, and Takashi Tabuchi²

¹Department of Radiological Technology, Kurashiki Central Hospital, Okayama, Japan, ²Department of Medical Technology, Kurashiki Central Hospital, Okayama, Japan

Complex plaques in the aortic arch on transthoracic echocardiography (TEE) can cause brain embolism. However, TEE, which is associated with a number of complications and contraindications, is not suitable for all patients. Therefore, we focused on contrast evaluation of MRI with 3D T1w black-blood TSE as an adjunct to diagnosis of complex plaques. The aim of this study is to clarify the optimal scan method for 3D T1w black-blood TSE. Our results suggest that 3D T1w black-blood TSE in the aortic arch can reduce the amount of artifact by using the optimal trigger timing by ECG-gating and navigator respiratory gating.

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