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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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