Keywords: Artifacts, Artifacts, Cardiac function, Cine
Motivation: Cardiac bSSFP cine imaging suffers from banding and flow artifacts caused by the off-resonance. Although fourfold phase cycling suppresses the banding artifacts, it invokes flow artifacts and prolongs the scan.
Goal(s): To develop a twofold phase-cycling sequence with a neural-network-based reconstruction for a fast and joint suppression of banding and flow artifacts in cardiac cine imaging.
Approach: We compared the method with standard bSSFP and regular phase cycling in the left ventricle and atrium in 10 healthy subjects.
Results: Needing only 10 heartbeats, the proposed method robustly suppressed both artifacts in the presence of anatomical variations.
Impact: Banding and flow artifacts are common in bSSFP cine imaging, especially with cardiac devices or high-field MR. The proposed method provides a robust and practical tool for suppression of them and improves the reliability of cine MRI.
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