Table 1.
Echocardiography at baseline (day 0) or at MI day 3, and necropsy at MI day 7 or autopsy at the time of death did not differ between survivors and nonsurvivors
|
Day 0
|
MI Day 3
|
MI Day 7
|
|||||
|---|---|---|---|---|---|---|---|
| Survivors | Nonsurvivors | Survivors | Nonsurvivors | Survivors | Nonsurvivors | P Value | |
| Heart rate, beats/min | 468 ± 9 | 468 ± 9 | 475 ± 15 | 471 ± 19 | 492 ± 20 | NA | 0.99 |
| Diastolic volume, µL | 60 ± 2 | 60 ± 3 | 86 ± 3 | 98 ± 6 | 130 ± 6 | NA | 0.67 |
| Systolic volume, µL | 20 ± 1 | 20 ± 1 | 71 ± 3 | 83 ± 8 | 114 ± 5 | NA | 0.46 |
| Stroke volume, µL | 39 ± 1 | 39 ± 2 | 15 ± 1 | 15 ± 9 | 17 ± 1 | NA | 0.90 |
| Ejection fraction, % | 66 ± 0 | 66 ± 0 | 18 ± 1 | 16 ± 4 | 13 ± 1 | NA | 0.50 |
| Infarct size, % | NA | NA | NA | NA | 55 ± 1 | 60 ± 4 | 0.13 |
| LV mass, mg | NA | NA | NA | NA | 96 ± 5 | 102 ± 7 | 0.50 |
| RV mass, mg | NA | NA | NA | NA | 17 ± 1 | 19 ± 2 | 0.16 |
| Lung mass wet, mg | NA | NA | NA | NA | 253 ± 14 | 298 ± 26 | 0.10 |
Values are means ± SE. P value shows comparison between survivors and nonsurvivors using linear mixed effects model analysis for echocardiography and t test for necropsy. LV, left ventricular; MI, myocardial infarction; NA, not applicable; RV, right ventricular.