MR-Perfusionsbildgebung des Herzens mit TrueFISP
W. G. Schreiber, M. Schmitt, P. Kalden, G. Horstick, T. Gumbrich, S. Petersen, O. Mohrs, K.-F. Kreitner, T. Voigtländer, M. Thelen · RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren · 2001 · Heft 03 · S. 205-210
Bibliografische Angaben
Zusammenfassung
Perfusion MR Imaging of the Heart with TrueFISP. OBJECTIVE: Development and test of a saturation-recovery TrueFISP (SR-Trufi) pulse sequence for myocardial perfusion MR imaging (MRI) using improved gradient hardware. MATERIAL AND METHODS: Measurements were performed on a 1.5 T scanner with prototype gradients (50 mT/m, minimum rise time 300 µs). T1-weighted first-pass MRI of Gd-DTPA (0.025 µmol/kg) kinetics in the myocardium was performed using an SR-Trufi pulse sequence (TR/TE/α = 2.6 ms/1.4 ms/55°) with a saturation preparation of TD = 30 ms before the TrueFISP readout. Measurements were performed in volunteer…