Markus Henningsson1,2, Sergio A. Uribe Arancibia1, Andrea J. Wiethoff1,3, Philip G. Batchelor1, Rene M. Botnar1
1Division of Imaging Sciences, King's College London, London, UK; 2NIHR Biomedical Research Centre at Guys & St Thomas Hospital and Kings College London , London, UK; 3Philips Healthcare, Reigate, UK
Artifacts due to residual coronary motion remain an impediment to diagnostic coronary MRA in a small but substantial amount of patients. The purpose of this study was to investigate a method (AF) that determines a patient specific correction factor which continuously updates throughout the course of the scan. 7 healthy volunteers were scanned and the LCA visibility was analyzed, and the result showed that the AF performs better than a constant 0.6 factor with a navigator on the diaphragm, as well as a 1.0 factor with a navigator on the heart.