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Abstract #5129

Clinical evaluation of motion-corrected 2D axial T2-weighted turbo spin echo 3T brain MRI in the neurological intensive care unit

Azadeh Hajati1, Chen-Hua Chiang2, Seonghwan Yee1, Azadeh Tabari1, Daniel Polak3, Daniel Nicolas Splithoff3, Bryan Clifford4, Wei-Ching Lo4, Yan Tu Huang5, Stephen Cauley4, John Conklin1, and Susie Y Huang1
1Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, United States, 2Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical, Charlestown, MA, United States, Charlestown, MA, United States, 3Siemens Healthcare, Erlangen, Germany, 4Siemens Medical Solutions USA, Boston, MA, United States, 5Siemens Shenzhen Magnetic Resonance Ltd., Shenzhen, China

Synopsis

Keywords: Motion Correction, MR Value, AI/ML reconstruction, clinical validation, stroke

Motivation: Patient motion often reduces the diagnostic quality of axial T2-weighted TSE brain MRI, a clinical workhorse sequence, especially in acute care settings.

Goal(s): To evaluate the SAMER motion correction method for axial T2-weighted TSE brain MRI, specifically in patients hospitalized from emergency and inpatient settings.

Approach: This prospective study evaluated SAMER-corrected and uncorrected images in 100 patients scanned at 3T in the neurological ICU using radiologist review for motion grading and image quality ratings.

Results: SAMER significantly improved image quality, reducing motion artifact in 21% of cases for one radiologist and 14% for another, with statistically significant improvement in all motion-degraded cases (p=0.0002).

Impact: SAMER effectively corrects for motion and enhances the diagnostic quality of axial T2 TSE brain MRI in motion-prone, critically ill patients, supporting its utility for more accurate, timely assessments in neurologically compromised individuals.

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Keywords