Table 2.
Preimplant Characteristics for LVAD Patients
| Characteristic | Replacement (n = 30) | Matched (n = 30) | p Value | DT LVAD Recipients (n = 201) |
|---|---|---|---|---|
| Age (years) | 58.0 (47, 67) | 67.5 (53, 73) | 0.07 | 65 (53, 71) |
| Sex (% male) | 66.7 | 80.0 | 0.38 | 73.6 |
| BMI | 30.3 (25.8, 35.3) | 28.8 (25.5, 33.2) | 0.93 | 28.5 (25.0, 33.7) |
| Heart failure etiology (% NICM) | 36.6 | 56.7 | 0.19 | 42.3 |
| Diabetes (%) | 43.3 | 43.3 | 0.99 | 49.8 |
| Hypertension (%) | 60.0 | 56.7 | 0.99 | 52.2 |
| Peripheral vascular disease (%) | 6.7 | 13.3 | 0.67 | 9.45 |
| Pulmonary disease (%) | 20.0 | 23.3 | 0.99 | 22.9 |
| Albumin (g/dl) | 3.25 (2.8, 3.8) | 3.45 (2.9, 3.7) | 0.95 | 3.20 (2.6, 3.6) |
| Creatinine (mg/dl) | 1.4 (1.2, 1.7) | 1.7 (1.2, 2.0) | 0.34 | 1.5 (1.1, 1.9) |
| Hematocrit (%) | 32.0 (28, 37) | 33.0 (31, 37) | 0.28 | 34.0 (30, 38) |
| Prothombin time (second) | 14.8 (12.8, 16) | 14.2 (12.9, 16) | 0.99 | 14.20 (13.2, 15.9) |
| Central venous pressure | 11 (4, 17) | 12 (8, 18) | 0.38 | 12.00 (8, 18) |
| Preoperative support (%) | ||||
| Inotropes | 30.0 | 40.0 | 0.59 | 79.1 |
| IABP | 6.6 | 13.3 | 0.67 | 33.4 |
| Mechanical ventilation | 10.0 | 13.3 | 0.99 | 7.0 |
| Previous sternotomy (%) | 100 | 100 | 0.99 | 44.8 |
| Emergent case (%) | 30.0 | 20.0 | 0.55 | 12.4 |
Continuous variables are expressed as median (25th, 75th percentile).
BMI, body mass index; IABP, intra-aortic balloon pump; LVAD, left ventricular assist device; NICM, nonischemic cardiomyopathy.