{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Yang H"],"funding":["American Heart Association","Radiological Society of North America","NIBIB NIH HHS","NHLBI NIH HHS","National Institutes of Health","NIH HHS"],"pagination":["1965-1977"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10950531"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["91(5)"],"pubmed_abstract":["Purpose
To develop a highly-accelerated, real-time phase contrast (rtPC) MRI pulse sequence with 40 fps frame rate (25 ms effective temporal resolution).Methods
Highly-accelerated golden-angle radial sparse parallel (GRASP) with over regularization may result in temporal blurring, which in turn causes underestimation of peak velocity. Thus, we amplified GRASP performance by synergistically combining view-sharing (VS) and k-space weighted image contrast (KWIC) filtering. In 17 pediatric patients with congenital heart disease (CHD), the conventional GRASP and the proposed GRASP amplified by VS and KWIC (or GRASP + VS + KWIC) reconstruction for rtPC MRI were compared with respect to clinical standard PC MRI in measuring hemodynamic parameters (peak velocity, forward volume, ba"],"journal":["Magnetic resonance in medicine"],"pubmed_title":["GRASP reconstruction amplified with view-sharing and KWIC filtering reduces underestimation of peak velocity in highly-accelerated real-time phase-contrast MRI: A preliminary evaluation in pediatric patients with congenital heart disease."],"pmcid":["PMC10950531"],"funding_grant_id":["949899","R01HL116895","R01HL167148","R01 HL151079","23PRE1027440","R01HL151079","F31 HL165915","R21EB030806","R01 HL116895","F31HL165915","R21 EB030806","R01 HL167148","EILTC2302","19IPLOI34760317"],"pubmed_authors":["Yang H","Kim D","Larsen A","Markl M","Robinson JD","Baraboo JJ","Hong K","Fan L","Rigsby CK"],"additional_accession":[]},"is_claimable":false,"name":"GRASP reconstruction amplified with view-sharing and KWIC filtering reduces underestimation of peak velocity in highly-accelerated real-time phase-contrast MRI: A preliminary evaluation in pediatric patients with congenital heart disease.","description":"Purpose
To develop a highly-accelerated, real-time phase contrast (rtPC) MRI pulse sequence with 40 fps frame rate (25 ms effective temporal resolution).Methods
Highly-accelerated golden-angle radial sparse parallel (GRASP) with over regularization may result in temporal blurring, which in turn causes underestimation of peak velocity. Thus, we amplified GRASP performance by synergistically combining view-sharing (VS) and k-space weighted image contrast (KWIC) filtering. In 17 pediatric patients with congenital heart disease (CHD), the conventional GRASP and the proposed GRASP amplified by VS and KWIC (or GRASP + VS + KWIC) reconstruction for rtPC MRI were compared with respect to clinical standard PC MRI in measuring hemodynamic parameters (peak velocity, forward volume, ba","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 May","modification":"2025-07-12T03:04:25.201Z","creation":"2025-07-12T03:04:25.201Z"},"accession":"S-EPMC10950531","cross_references":{"pubmed":["38084397"],"doi":["10.1002/mrm.29974"]}}