MVO (+IMH) n=6 | MVO (−IMH) n=7 | Difference | p Value | |
---|---|---|---|---|
Pathology results | ||||
Number of animals with IMH (count) | 6 | 0 | − | − |
CMR results | ||||
LV end-diastolic volume (mL) | 101.8 | 91.6 | 10.2 (−20.77 to 41.1) | 0.34 |
LV end-systolic volume (mL) | 48.5 | 45.5 | 3.08 (−25.2 to 31.3) | 0.62 |
LV ejection fraction (%) | 51.2 | 36.3 | 14.8 (−32.2 to 2.54) | 0.10 |
AAR size (% LV) | 37.0 | 36.7 | 0.30 (−12.8 to 13.5) | 0.84 |
LGE infarct size (% LV) | 23.0 | 19.7 | 3.32 (−5.19 to 11.8) | 0.73 |
Myocardial salvage (% of LV) | 14.0 | 17.0 | −3.01 (−11.3 to 5.25) | 0.44 |
MVO (n) | 6 | 7 | − | − |
MVO size (% of LV) | 2.2 | 1.7 | −0.45 (−1.6 to −0.73) | 0.42 |
T1W IR IMH (n) | 6 | 0 | <0.01 | |
T2-STIR hypointense signal core (n) | 6 | 5 | − | − |
AAR, area-at-risk; IMH, intramyocardial haemorrhage; LV, left ventricular; MVO, microvascular obstruction; T2-STIR, T2 weighted short tau inversion recovery.