Table 4.
Comparison of Clinical Parameters and Outcomes Stratified By Cannula Coronal Angle
| Coronal Angle >65° (N = 11) |
Coronal Angle ≤65° (N = 16) |
P Value | |
|---|---|---|---|
| Age, y | 57.9 ± 10.5 | 61.4 ± 14.1 | .49 |
| Body surface area, m2 | 1.85 ± 0.26 | 1.96 ± 0.20 | .23 |
| Sex, male | 7 (64) | 9 (56) | .70 |
| Ischemic etiology | 6 (55) | 10 (63) | .68 |
| History of cardiotomy | 5 (45) | 5 (31) | .45 |
| Atrial fibrillation | 8 (73) | 6 (38) | .072 |
| History of ventricular tachyarrhythmia | 3 (27) | 4 (25) | .90 |
| Chronic obstructive lung disease | 3 (27) | 1 (6) | .13 |
| Chronic kidney disease | 2 (18) | 3 (19) | .97 |
| LVDd, cm | 7.33 ± 0.96 | 7.01 ± 0.73 | .34 |
| Pump parameters at set speed | |||
| 2794.6 ± 187.4 | 2687.5 ± 143.6 | .11 | |
| Power, watts | 4.31 ± 0.92 | 3.96 ± 0.74 | .28 |
| Flow, L/min | 3.73 ± 0.93 | 3.96 ± 0.90 | .57 |
| Pulsatility, L/min | 2.90 ± 0.76 | 3.54 ± 1.14 | .13 |
| Echo and hemodynamic parameters at set speed | |||
| 6.31 ± 0.78 | 5.68 ± 0.65 | .032* | |
| LVEF, % | 19.2 ± 9.2 | 17.4 ± 7.8 | .59 |
| CVP, mmHg | 8.6 ± 4.4 | 6.4 ± 4.1 | .19 |
| Mean PAP, mmHg | 26.2 ± 5.8 | 23.3 ± 7.4 | .29 |
| PCWP, mmHg | 16.4 ± 4.8 | 10.3 ± 4.9 | .004* |
| CI, L/min/m2 | 2.61 ± 0.48 | 2.67 ± 0.39 | .73 |
| Clinical outcomes | |||
| Death | 3 (27) | 1 (6) | .13 |
| 6 (55) | 1 (6) | .005† | |
| Ventricular tachyarrhythmia | 2 (18) | 0 (0) | .076 |
| Stroke | 2 (18) | 2 (13) | .68 |
| Gastrointestinal bleeding | 3 (27) | 1 (6) | .13 |
| Pump thrombosis | 0 (0) | 0 (0) | - |
| Isolated right ventricular failure | 0 (0) | 0 (0) | - |
| Driveline infection | 2 (18) | 0 (0) | .076 |