Table 3.
Percentage change of hemodynamic variables from baseline for iNO and ivS
| Hemodynamic variables (N = 44) | iNO | ivS | Difference of percentage change | p Value |
|---|---|---|---|---|
| sPAP | −9.9 ± 14.8 | −15.3 ± 13.6 | 5.5 | 0.002 |
| dPAP | −10.4 ± 19.4 | −16.1 ± 19.4 | 5.7 | 0.010 |
| mPAP | −10.2 ± 14.9 | −15.4 ± 13.2 | 5.2 | <0.001 |
| sAP | −2.1 ± 7.3 | −6.8 ± 10.0 | 4.7 | <0.001 |
| dAP | 1.4 ± 10.5 | −1.9 ± 16.3 | 3.3 | 0.139 |
| mAP | −1.0 ± 9.2 | −5.0 ± 13.2 | 3.9 | 0.018 |
| Qpi | 3.0 ± 13.7 | 2.6 ± 13.7 | 0.4 | 0.867 |
| Qsi | 4.9 ± 19.7 | 3.1 ± 20.8 | 1.8 | 0.796 |
| Qp:Qs | 0.7 ± 14.5 | 3.1 ± 20.9 | −2.4 | 0.706 |
| PVRI | −13.5 ± 20.7 | −19.3 ± 19.0 | 5.9 | 0.010 |
| SVRI | −3.6 ± 19.9 | −4.6 ± 27.5 | 1.0 | 0.339 |
| PVRI:SVRI | −5.7 ± 32.0 | −5.5 ± 35.3 | −0.2 | 0.733 |
| PACI | 21.6 ± 48.1 | 29.1 ± 41.5 | −7.5 | 0.213 |
| mRA | −4.2 ± 20.7 | −7.0 ± 20.7 | −2.8 | 0.150 |
| mLA | −3.3 ± 14.4 | −2.9 ± 17.8 | −0.4 | 0.872 |
| sPAP:sAP | −7.5 ± 16.2 | −8.4 ± 16.1 | 0.9 | 0.741 |
| mPAP:mAP | −8.9 ± 15.9 | −9.1 ± 18.5 | 0.2 | 0.762 |
Note: The numerical values denote percentage change for each hemodynamic variable, a negative value indicates a fall, and a positive value indicates an increase from the baseline. Values as mean ± SD.
Abbreviations: dAP, diastolc aortic pressure; dPAP, diastolic pulmonary artery pressure; iNO, inhaled nitric oxide; ivS, intravenous sildenafil; mAP, mean aortic pressure; mLA, mean left atrial pressure; mPAP, mean pulmonary artery pressure; mRA, mean right atrial pressure; PACI, indexed pulmonary artery capacitance; PVRI, indexed pulmonary vascular resistance; Qp, pulmonary blood flow; Qpi, indexed pulmonary blood flow; Qs, systemic blood flow; Qsi, indexed systemic blood flow; sAP, systolic aortic pressure; sPAP, systolic pulmonary artery pressure; SVRI, indexed systemic vascular resistance.