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Abstract #2648

High Resolution Multi-slice Myocardial T 2 Mapping with Improved Scan Time Efficiency

Jihye Jang 1,2 , Cory Tschabrunn 1 , Elad Anter 1 , Tamer Basha 1 , and Reza Nezafat 1

1 Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, United States, 2 Computer Aided Medical Procedures, Technische Universitt Mnchen, Munich, Bayern, Germany

Quantitative T 2 mapping allows non-invasive assessment of myocardial inflammation/edema. In T 2 mapping sequences, rest-cycles are needed between different T 2 weighted images to allow full magnetization recovery, which results in reduced scan time efficiency. In such sequence, multi-segment acquisition is difficult to be employed due to the long scan time. Recently, free-breathing multi-slice myocardial T 2 mapping sequence was proposed to increase scan time efficiency by combining a slice-selective T 2 prep pulse and interleaved slice acquisition. In this study, we sought to further extend the multi-slice T 2 mapping sequence to allow segmented acquisition to achieve higher in-plane spatial resolution within acceptable scan time.

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