Table 3.
Pre-LVAD Intraoperative Echocardiographic and Hemodynamic Predictors of Severe RVF
| Variables Pre-CPB | Nonsevere RVF (n= 57) | Severe RVF (n = 28) | P Value |
|---|---|---|---|
| Echocardiographic variables | |||
| RVEDA (cm2) | 28.8 ± 9.4 | 29.2 ± 8.2 | .87 |
| RVESA (cm2) | 23.2 ± 8.9 | 23.8 ± 8.1 | .77 |
| RVFAC | 20.8 ± 10.8 | 19.4 ± 9.4 | .54 |
| ESRAA (cm2) | 23.6 ± 7.9 | 25.3 ± 7.2 | .35 |
| TAPSE (cm) | 1.5 ± 0.5 | 1.3 ± 0.4 | .06 |
| TVR grade | |||
| Median (interquartile range) | 2 (1, 2) | 2 (1, 2) | .92a |
| MVR grade | |||
| Median (interquartile range) | 2 (1, 3) | 2 (2, 4) | .31a |
| RAdMinor (cm) | 4.9 ± 0.9 | 4.8 ± .1.0 | .79 |
| RAdMajor (cm) | 5.4 ± 0.9 | 5.7 ± .0.8 | .11 |
| RVEDD (cm) | 4.1 ± 0.9 | 4.4 ± .0.8 | .21 |
| LVEDD (cm) | 6.6 ± 1.0 | 6.5 ± .1.0 | .88 |
| RV/LV diameter ratio | 0.6 ± 0.2 | 0.7 ± 0.1 | .22 |
| Hemodynamic variables | |||
| PASP (mm Hg) | 43.9 ± 14.5 | 45.8 ± 14.4 | .59 |
| PADP (mm Hg) | 24.9 ± 9.9 | 26.2 ± 7.9 | .57 |
| PA pulse pressure (mm Hg) | 19.0 ± 8.3 | 19.6 ± 8.4 | .76 |
| CVP (mm Hg) | 14.3 ± 6.9 | 18.6 ± 11.8 | .053 |
| PAPi (mm Hg) | 1.7 ± 1.0 | 1.2 ± 0.6 | .045 |
All data are presented as mean ± standard deviation or N (%) except where noted. Comparisons are made with 2-tailed t test and χ2 tests.
Abbreviations: CPB, cardiopulmonary bypass; CVP, central venous pressure; ESRAA, end-systolic right atrial area; LVAD, left ventricular assist device; LVEDD, left ventricle end-diastolic diameter; MR, mitral regurgitation; PA, pulmonary artery; PADP, pulmonary artery diastolic pressure; PAPi, pulmonary artery pulsatility index; PASP, pulmonary artery systolic pressure; RAdMajor, right atrial diameter major; RAdMinor, right atrial diameter minor; RVEDA, right ventricular end-diastolic area; RVEDD, right ventricle end-diastolic diameter; RVESA, right ventricular end-systolic area; RVF, right ventricular failure; RVFAC, right ventricle fractional area of change; RV/LV, right ventricle/left ventricle; TAPSE, tricuspid annular plane systolic excursion; TR, tricuspid regurgitation.
Mann-Whitney U test.