Abstract #2074

Multi-VENC 4D flow MRI demonstrates pulmonary stenosis and arterial-pulmonary collateral in congenital conotruncal anomaly

Michinobu Nagao¹, Yumi Shiina¹, Yasuhiro Goto¹, Isao Shiina¹, Kazuo Kodaira¹, Masami Yoneyama², Takashi Namiki², Yuka Matsuo¹, Atsushi Yamamoto¹, Kei Inai¹, and Shuji Sakai¹

¹Tokyo Women's Medical University, Tokyo, Japan, ²Philips Japan, Tokyo, Japan

We propose a free-breathing 4D flow sequence with echo-planar imaging (EPI) and rapid reconstruction to facilitate clinical use. Pulmonary stenosis or atresia is a common anatomic component of congenital conotruncal anomaly. Multi-VENC 4D flow MRI with EPI can simultaneously visualize the pulmonary artery stenosis and associated collaterals of slow flow formed by peripheral arteries. Consequently, all sources of pulmonary blood supply and of the size and morphology of the pulmonary arteries can be completely delineated.

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