{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["88(6)"],"submitter":["Seginer A"],"pubmed_abstract":["<h4>Purpose</h4>Fast proton (<sup>1</sup> H) MRSI is an important diagnostic tool for clinical investigations, providing metabolic and spatial information. MRSI at 7 T benefits from increased SNR and improved separation of peaks but requires larger spectral widths. RS-COKE (Readout-Segmented Consistent K-t space Epsi) is an echo planar spectroscopic imaging (Epsi) variant capable to support the spectral width required for human brain metabolites spectra at 7 T. However, mismatches between readout segments lead to artifacts, particularly when subcutaneous lipid signals are not suppressed. In this study, these mismatches and their effects are analyzed and reduced.<h4>Methods</h4>The following corrections to the data were performed: i) frequency-dependent phase corrections; ii) k-space trajec"],"journal":["Magnetic resonance in medicine"],"pagination":["2339-2357"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9804880"],"repository":["biostudies-literature"],"pubmed_title":["Artifact suppression in readout-segmented consistent K-t space EPSI (RS-COKE) for fast <sup>1</sup> H spectroscopic imaging at 7 T."],"pmcid":["PMC9804880"],"pubmed_authors":["Schmidt R","Seginer A","Keith GA","Porter DA"],"additional_accession":[]},"is_claimable":false,"name":"Artifact suppression in readout-segmented consistent K-t space EPSI (RS-COKE) for fast <sup>1</sup> H spectroscopic imaging at 7 T.","description":"<h4>Purpose</h4>Fast proton (<sup>1</sup> H) MRSI is an important diagnostic tool for clinical investigations, providing metabolic and spatial information. MRSI at 7 T benefits from increased SNR and improved separation of peaks but requires larger spectral widths. RS-COKE (Readout-Segmented Consistent K-t space Epsi) is an echo planar spectroscopic imaging (Epsi) variant capable to support the spectral width required for human brain metabolites spectra at 7 T. However, mismatches between readout segments lead to artifacts, particularly when subcutaneous lipid signals are not suppressed. In this study, these mismatches and their effects are analyzed and reduced.<h4>Methods</h4>The following corrections to the data were performed: i) frequency-dependent phase corrections; ii) k-space trajec","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Dec","modification":"2025-04-04T21:04:10.689Z","creation":"2025-04-04T21:04:10.689Z"},"accession":"S-EPMC9804880","cross_references":{"pubmed":["35975965"],"doi":["10.1002/mrm.29373"]}}