Table 2.
Cardiovascular magnetic resonance results.
| Characteristic | Total Study n = 734 | Morphine + n = 454 | Morphine − n = 280 | p |
|---|---|---|---|---|
| Area at risk (edema) (%LV) | 35 (25–48) | 36 (25–48) | 35 (27–48) | 0.72 |
| Infarct size (%LV) | 17 (8–25) | 16 (8–26) | 17 (9–24) | 0.67 |
| Myocardial salvage (%LV) | 17 (9–27) | 17 (9–26) | 17 (8–27) | 0.45 |
| Myocardial salvage index | 51 (33–69) | 51 (32–69) | 52 (35–69) | 0.65 |
| Late MO (%LV) | 0.0 (0.0–1.8) | 0.0 (0.0–1.8) | 0.0 (0.0 – 1.9) | 0.92 |
| LV ejection fraction (%) | 51 (44–58) | 51 (44–58) | 50 (43–58) | 0.71 |
| LV end-diastolic volume (mL) | 146 (121–171) | 145 (124–174) | 141 (112–166) | 0.004 |
| LV end-systolic volume (mL) | 72 (54–91) | 72 (55–93) | 71 (52–88) | 0.18 |
Continuous data are presented as median and interquartile range. CMR = cardiac magnetic resonance, LV = left ventricular, MO = microvascular obstruction.