4D flow CMR enables qualitative and quantitative assessment of intra-cardiac flow. Kinetic energy (KE) and pathline-derived four flow components for left ventricular (LV) and right ventricular (RV) were analyzed and compared in repaired tetralogy of Fallot (rTOF) and age-matched controls. For RV, rTOF had increased peak systolic, systolic and peak E-wave KE normalized to end-diastolic volume while decreased efficiency index. RV direct flow decreased while RV residual volume increased from controls to rTOF with preserved RVEF (rTOFpEF) to rTOF with reduced RVEF. ROC analysis showed RV direct flow and efficiency index were sensitive markers to detect RV dysfunction in rTOFpEF.
How to access this content:
For one year after publication, abstracts and videos are only open to registrants of this annual meeting. Registrants should use their existing login information. Non-registrant access can be purchased via the ISMRM E-Library.
After one year, current ISMRM & ISMRT members get free access to both the abstracts and videos. Non-members and non-registrants must purchase access via the ISMRM E-Library.
After two years, the meeting proceedings (abstracts) are opened to the public and require no login information. Videos remain behind password for access by members, registrants and E-Library customers.
Keywords