Abstract #2061

Rapid free-breathing 3D isotropic whole-heart diastolic and systolic myocardial T2mapping

Masami Yoneyama¹, Michinobu Nagao², Yasuhiro Goto³, Shuo Zhang⁴, Isao Shiina³, Kazuo Kodaira³, Yutaka Hamatani³, and Marc Van Cauteren⁵

¹Philips Japan, Tokyo, Japan, ²Department of Diagnostic Imaging and Nuclear Medicine, Tokyo Women’s Medical University, Tokyo, Japan, ³Department of Radiological Services,, Tokyo Women’s Medical University, Tokyo, Japan, ⁴Philips Healthcare, Hamburg, Germany, ⁵Philips Healthcare, Best, Netherlands

Current myocardial T2-mapping based on either segmented or single-shot readout obtains one 2D slice per breath hold. To overcome the limitations in spatial coverage and breath hold dependence, we report free-breathing 3D isotropic whole-heart T2 mapping using a T2-prepared segmented gradient echo sequence with interleaved scan, which enables quantitative mapping at multiple cardiac phases such as late diastole and systole. We demonstrate the feasibility of this approach with comparison to the conventional techniques in healthy volunteer examination.

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