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Abstract #3849

Self-calibrated phase-contrast correction of nonlinear background phase in quantitative cardiac imaging

Ek T Tan 1 , James F Glockner 2 , Ana Beatrix Solana 3 , David W Stanley 4 , and Christopher J Hardy 1

1 GE Global Research, Niskayuna, NY, United States, 2 Radiology, Mayo Clinic, Rochester, MN, United States, 3 GE Global Research, Garching, Munich, Germany, 4 GE Healthcare, Rochester, MN, United States

A nonlinear, self-calibrated phase-contrast (SCPC) correction method is proposed, which provides an improved fit of the static nonlinear phase in quantitative cardiac phase-contrast imaging. In addition, the method improves on the static tissue detection, takes into account the quiescent cardiac phase, and has an over-fitting prevention step. Normal subjects were imaged at 1.5T and 3T, with the resulting phase validated using a static phantom. The Qp/Qs ratios of seven patients without cardiac shunt were recorded, demonstrating an improved Qp/Qs ratio with the method.

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