In-hospital and follow up angiographic, scintigraphic, and coronary flow reserve characteristics of patients with and without a recovery index ≥50%
| Characteristic | Recovery index ≥50% (n=22) | Recovery index <50% (n=15) | p Value |
|---|---|---|---|
| TIMI, thrombolysis in myocardial infarction. | |||
| Prereperfusion Rentrop grade | 2.7 | 1.9 | 0.04 |
| Prereperfusion TIMI grade | 1.6 | 1.1 | 0.03 |
| Viable segments | |||
| In-hospital (n) | 5.5 (2.6) | 3.1 (3.2) | 0.02 |
| Follow up (n) | 6.7 (2.8) | 4.3 (4.5) | 0.04 |
| Viability index (%) | 72 (29) | 33 (37) | 0.001 |
| In-hospital left ventricular data | |||
| End diastolic pressure (mm Hg) | 12 (6) | 18 (9) | 0.02 |
| Ejection fraction (%) | 63 (9) | 55 (11) | 0.02 |
| End diastolic volume (ml/m2) | 67 (15) | 75 (24) | NS |
| End systolic volume (ml/m2) | 25 (8) | 34 (14) | 0.01 |
| Hypokinetic segments (n) | 3.7 (3.2) | 6.7 (3.2) | 0.008 |
| Coronary flow reserve | |||
| Absolute | 2.4 (0.6) | 2.1 (0.6) | NS |
| Relative | 0.9 (0.2) | 0.8 (0.2) | NS |
| Follow up left ventricular data | |||
| End diastolic pressure (mm Hg) | 10 (6) | 12 (5) | NS |
| Ejection fraction (%) | 68 (7) | 55 (9) | <0.0001 |
| End diastolic volume (ml/m2) | 71 (12) | 73 (21) | NS |
| End systolic volume (ml/m2) | 23 (7) | 34 (14) | 0.003 |
| Hypokinetic segments (n) | 1.1 (1.7) | 5.9 (2.8) | <0.0001 |
| Recovery index (%) | 83 (22) | 8 (26) | <0.0001 |