Table 1 Patient clinical characteristics
From: Elevated troponin and myocardial infarction in the intensive care unit: a prospective study
| Â | Total (n = 115) | MI (n = 24) | No MI (n = 91) | P value |
|---|---|---|---|---|
Age (years; mean ± SD) | 64.1 ± 17.2 | 62.8 ± 18.3 | 64.4 ± 17.0 | 0.69 |
Sex (n; % female) | 61 (53.0) | 13 (54.2) | 48 (52.7) | 1.00 |
APACHE II score (mean ± SD) | 21.9 ± 9.8 | 26.3 ± 10.4 | 20.7 ± 9.3 | 0.01 |
Medical (n [%]) | 83 (72.2) | 20 (83.3) | 63 (69.2) | 0.21 |
Epidural (n [%]) | 12 (10.4) | 0 (0.0) | 12 (13.2) | 0.07 |
Past medical history (n [%]) | Â | Â | Â | Â |
   Smoker | 35 (30.4) | 5 (20.8) | 30 (33.0) | 0.32 |
   Hypertension | 59 (51.3) | 14 (58.3) | 45 (49.5) | 0.50 |
   Diabetes (oral agent) | 9 (7.8) | 3 (12.5) | 6 (6.6) | 0.39 |
   Diabetes (insulin) | 17 (14.8) | 10 (41.7) | 7 (7.7) | <0.001 |
   Hypercholesterolemia | 14 (12.2) | 2 (8.3) | 12 (13.2) | 0.73 |
   Angina | 15 (13.0) | 3 (12.5) | 12 (13.2) | 1.00 |
   Myocardial infarction | 25 (21.7) | 9 (37.5) | 16 (17.6) | 0.05 |
   Congestive heart failure | 14 (12.2) | 5 (20.8) | 9 (9.9) | 0.17 |
   Peripheral vascular disease | 10 (8.7) | 7 (29.2) | 3 (3.3) | <0.001 |
   Transient ischemic attack | 4 (3.5) | 2 (8.3) | 2 (2.2) | 0.19 |
   Stroke | 8 (7.0) | 3 (12.5) | 5 (5.5) | 0.36 |
Baseline life support interventions (n [%]) | Â | Â | Â | Â |
   Ventilation |  |  |  |  |
Invasive mechanical ventilation | 67 (58.3) | 16 (66.7) | 51 (56.0) | 0.49 |
Noninvasive mechanical ventilation | 5 (4.3) | 2 (8.3) | 3 (3.3) | 0.28 |
   Inotropes and vasopressors |  |  |  |  |
Epinephrine | 2 (1.7) | 1 (4.2) | 1 (1.1) | 0.38 |
Dopamine | 10 (8.7) | 3 (12.5) | 7 (7.7) | 0.43 |
Norepinephrine | 19 (16.5) | 5 (20.8) | 14 (15.4) | 0.54 |
Dobutamine | 4 (3.5) | 2 (8.3) | 2 (2.2) | 0.19 |
Phenylephrine | 18 (15.7) | 9 (37.5) | 9 (9.9) | 0.003 |
Vasopressin | 5 (4.3) | 3 (12.5) | 2 (2.2) | 0.06 |
   Hemodialysis |  |  |  |  |
Intermittent dialysis | 14 (12.2) | 4 (16.7) | 10 (11.0) | 0.49 |
Continuous renal replacement therapy | 0 (0.0) | 0 (0.0) | 0 (0.0) | - |