Table 3.
Group analysis of haemodynamic parameters
| Group 1 Survivors (n = 22) | Group 2 Transplanted (n = 4) | Group 3 Deceased (n = 11) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Pre-LVAD | Latest measurement on LVAD support | P-value | Pre-LVAD | Latest measurement on LVAD support | P-value | Pre-LVAD | Latest measurement on LVAD support | P-value | |
| Mean PAP (mmHg) | 39.86 ± 7.02 | 16.14 ± 6.48 | P <0.001 | 37 ± 3.61 | 24 ± 1.73 | P <0.05 | 38.73 ± 11.52 | 26.09 ± 7.38 | P <0.05 |
| Mean PCWP (mmHg) | 28.27 ± 5.77 | 8.32 ± 5.15 | P <0.001 | 24.67 ± 1.53 | 18 ± 5.29 | P <0.1 | 27.64 ± 9.01 | 16.18 ± 5.91 | P <0.05 |
| TPG (mmHg) | 11.59 ± 5.36 | 7.82 ± 3.92 | P <0.01 | 12.33 ± 5.03 | 6 ± 4.36 | P <0.01 | 11.09 ± 5.45 | 9.91 ± 4.64 | Not significant |
| TBF (L/min) | 3.22 ± 0.82 | 5.23 ± 0.87 | P <0.001 | 3.33 ± 0.55 | 5.6 ± 1.02 | P <0.05 | 3.24 ± 0.77 | 4.65 ± 1.02 | P <0.01 |
| PVR (Wood Units) | 3.72 ± 1.71 | 1.55 ± 0.82 | P <0.001 | 3.92 ± 21 | 1.18 ± 0.92 | P <0.05 | 3.45 ± 1.73 | 2.28 ± 1.3 | Not significant |
LVAD: left ventricular assist device; PAP: pulmonary artery pressure; PCWP: pulmonary capillary wedge pressure; TPG: trans-pulmonary pressure gradient; TBF: thermodilution blood flow; PVR: pulmonary vascular resistance