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Abstract #1235

Compressed Sensing Accelerated Wideband Myocardial Perfusion Pulse Sequence for Patients with a Cardiac Implantable Electronic Device

KyungPyo Hong1, Lexiaozi Fan1,2, Jeremy D Collins1,3, Daniel C Lee1,4, and Daniel Kim1,2

1Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States, 2Biomedical Engineering, Northwestern University, Evanston, IL, United States, 3Radiology, Mayo Clinic, Rochester, MN, United States, 4Cardiology, Internal Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, United States

We have recently developed a 2-fold accelerated wideband myocardial perfusion MRI pulse sequence using TGRPPA for imaging patients with a cardiac implantable electronic device (CIED). In patients with rapid heart rates and/or during stress, it may be necessary to further accelerate the perfusion scans to adequately sample the heart. This study describes a 5-fold accelerated wideband myocardial perfusion pulse sequence using compressed sensing and how repeatable it is for quantification of resting myocardial blood flow (MBF) measurement in patients with and without a CIED.

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