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. 2022 Jun 8;42(10):1813–1826. doi: 10.1177/0271678X221105668

Table 1.

Summary of MRI sequences used for the study.

Phase MR Sequence RF coil position Sequence parameters Voxel resolution mm3 Strain
1 2D RARE T2-weighted + CSF contrast & 3D FLASH Left lateral TR = 6500 msec, TE (effective) = 26 ms, FA = 90o, RARE factor = 4, Time per scan = 8 min 40 sec, 9 scan repetitions for a total scan time of ∼80 min 0.1 × 0.1 × 0.225 SHRSP (N = 5)
TR = 25 msec, TE = 4 msec, FA = 20°, Averages = 1, time/scan = 4 min 10 s, 10–14 scans ∼1hr 0.15 × 0.15 × 0.15
1 2D RARE multi-TE RARE sequence Left lateral TR = 5000 ms, 4 echoes with TE = 15, 30, 45, 60 ms, FA = 90°, RARE factor = 1, Averages = 4, scan time of 1 h 25 m 0.078 × 0.078 × 0.25 SHRSP (N = 2)
2 2D RARE multi-TE RARE sequence + CSF contrast & 3D FLASH Left lateral TR = 5000 ms, 4 echoes with TE = 15, 30, 45, 60 ms, FA = 90°, RARE factor = 1, Averages = 4, scan time of 1 h 25 m 0.078 × 0.078 × 0.25 WKY (N = 6) SHRSP (N = 6)
TR = 25 msec, TE = 4 msec, FA (flip angle) = 20°, Averages = 1, time/scan = 4 min 10 s, 14 scans = 58 min 0.10 × 0.10 × 0.10

SHRSP: spontaneously hypertensive stroke prone; WKY: Wistar Kyoto; RARE : RAPID Acquisition with Relaxation Enhancement; FLASH: 3D Fast Low Angle Shot.