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Abstract #1372

Improvement of DTI Measurement Using the Composite Gradient Systems on a Clinical 3T MRI System: DTI Study of Ex Vivo Dog's Heart

Seong-Eun Kim1, K Craig Goodrich1, Sung M. Moon1, J. Rock Hadley1, Dennis L. Parker1

1UCAIR Department of Radiology, University of Utah, Salt Lake City, UT, USA

Our composite system has the distinct advantage that both of standard and insert gradient systems can be operated simultaneously and/or independently. With simultaneous acquisition, the gradient strength available from either system alone can be increased. Ihe composite gradient system can acquire better DTI measurements with less artifact in human studies than can be obtained with insert or body gradient coils alone. It can also provide high resolution fMRI datasets with better imaging quality compared to data obtained using the standard gradient system.