Abstract #2523
Combining Conjugate and Non-Conjugate Wave Data for Faster Elastography
Roger Grimm 1 , Eric Stinson 1 , and Richard Ehman 1
1
Mayo Clinic, Rochester, MN, United States
Elastography sampling with gradient echo sequences can
lead to long scan times. Scan efficiency is limited by
gradient heating concerns and the need to synchronize
the TR to the period of motion excitation. These
inefficiencies can be ameliorated by using a phase
advancing TR. This work uses a phase advancing TR and
acquires the minimum 7 samples to provide complex
sampling of the wave field along all 3 axes. The
proposed method uses a half-NEX like reconstruction to
combine the conjugate and non-conjugate samples.
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