Abstract #1235

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

KyungPyo Hong¹, Lexiaozi Fan^1,2, Jeremy D Collins^1,3, Daniel C Lee^1,4, and Daniel Kim^1,2

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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