Table 1 Perfusion sequence parameters
From: Advanced techniques improve the performance of myocardial perfusion imaging
Parameter | st-GrE | kt-SSFP |
|---|---|---|
Acquired spatial resolution | 1.7 x 1.9 x 10mm | 2.6 x 2.8 x 10mm |
Echo time (TE) | Shortest (range 1.61-1.91ms) | Shortest (range 1.29-1.59ms) |
Repetition time (TR) | Shortest (range 3.6-3.9ms) | Shortest (range 2.59-3.18ms) |
Flip angle | 18° | 50° |
Prepulse | 90° | 90° |
Prepulse delay | 100ms | 100ms |
Acceleration technique | SENSE: factor 2 | kt-BLAST: factor 5 with 11 training profiles (effective k-t factor of 3.8) |