Table 1 Mapping analysis after myocardial ischemia.
From: Cardiac MRI of differing ischemia and reperfusion times in a myocardial infarction pig model
Group | Parameter | T1 | T2 | ||
|---|---|---|---|---|---|
All animals | Remote | 1235 ± 52 ms | 38.7 ± 2.1 ms | ||
Ischemic | 1326 ± 76 ms | 41.8 ± 4.4 ms | |||
ΔT = ischemic − remote | 91 ± 63 ms | p = 0.001 | 3.1 ± 4.5 ms | p = 0.019 | |
Correlation: ischemia duration & ΔT | r = 0.73 | r = 0.43 | |||
ΔT (short ischemia) | 64 ± 34 ms | p = 0.024 | 1.9 ± 4.0 ms | p = 0.19 | |
ΔT (long ischemia) | 189 ± 41 ms | p = 0.001 | 8.3 ± 1.6 ms | p = 0.026 | |
ΔT (long ischemia ) − ΔT (short ischemia) | 125 ms | p = 0.0001 | 6.4 ms | p = 0.021 | |
Animals with CMR three days post ischemia | ΔT | 142 ± 76 ms | p = 0.001 | 4.4 ± 5.5 ms | p = 0.73 |
Correlation: ischemia duration & ΔT | r = 0.76 | r = 0.73 | |||
ΔT (long ischemia)ΔT (short ischemia) | 125 ms | p = 0.2 | 9.7 ms | p = 0.2 | |