From: Improved dark blood imaging of the heart using radial balanced steady-state free precession
Measure | Protocol 1 | Protocol 2 | Protocol 3 | Protocol 4 | Protocol 5 | ANOVA P-value |
---|---|---|---|---|---|---|
bSSFP | bSSFP | bSSFP | FSE | FSE | ||
1 shot 72 views | 1 shot 35 views | 4 shots | BW305 | BW977 | ||
CNR (breath-hold) | 15.1 (4.3)ab | 13.6 (5.4)ab | 24.2 (7.2)a | 46.7 (17.6) | 24.5 (13.8)a | <0.001 |
tSNR (free-breathing) | 7.0 (2.5)abc | 9.3 (1.8)b | 20.2 (5.2) | 8.9 (3.0)b | 12.9 (6.6) | <0.001 |
Sharpness (breath-hold) | 0.30 (0.10) | 0.43 (0.03)d | 0.47 (0.09)d | 0.47 (0.07) | 0.38 (0.13)a | <0.01 |
Sharpness (free-breathing) | 0.31 (0.10)c | 0.49 (0.11) | 0.30 (0.06)c | 0.38 (0.11) | 0.29 (0.08)ac | <0.01 |