Table 1.
Baseline characteristics and procedural data for all patients
| pPCI alone (n=68) | RIC+pPCI (n=71) | p Value | |
|---|---|---|---|
| Men | 55 (81%) | 57 (80%) | 0.93 |
| Age (years) | 62 (11) | 63 (11) | 0.56 |
| Body mass index (kg/m2) | 25 (23–29) | 26 (24–29) | 0.55 |
| Current smokers | 38 (56%) | 34 (48%) | 0.30 |
| Hypertension | 19 (28%) | 32 (45%) | 0.04 |
| Diabetes mellitus | 8 (12%) | 6 (8%) | 0.52 |
| Preinfarction medication | |||
| Aspirin | 12 (18%) | 12 (17%) | 0.94 |
| β blockers | 10 (15%) | 11 (15%) | 0.87 |
| Calcium channel blockers | 8 (12%) | 7 (10%) | 0.74 |
| ACE inhibitors | 6 (9%) | 14 (20%) | 0.06 |
| Angiotensin II receptor blockers | 5 (7%) | 10 (14%) | 0.27 |
| Long-acting nitrates | 0 (0%) | 0 (0%) | – |
| Statins | 12 (18%) | 12 (17%) | 0.91 |
| Loop diuretics | 2 (3%) | 2 (3%) | 1.00 |
| Thiazide diuretics | 12 (18%) | 16 (23%) | 0.45 |
| Aldosterone antagonists | 0 (0%) | 0 (0%) | – |
| Clopidogrel | 0 (0%) | 0 (0%) | – |
| Procedural data | |||
| TIMI flow 0/1—pre-pPCI | 41 (60%) | 42 (59%) | 0.89 |
| TIMI flow 0/1—post-pPCI | 2 (3%) | 1 (1%) | 0.61 |
| Area-at-risk (% of left ventricle) | 28 (12–41) | 26 (16–39) | 0.89 |
| LAD artery infarction | 28 (41%) | 29 (41%) | 0.91 |
| Healthcare system delay (min)* | 102 (82–139) | 108 (86–146) | 0.37 |
| Achieved 70% ST segment resolution† | 44 (69%) | 49 (73%) | 0.58 |
Data are mean (SD), median (IQR) or number (%).
*Data for healthcare system delay were missing for 10 patients.
†Data for achieved 70% ST segment resolution were missing for eight patients.
LAD, left anterior descending; pPCI, primary percutaneous coronary intervention; RIC, remote ischaemic conditioning; TIMI, Thrombolysis In Myocardial Infarction.