Oxygen alone | Oxygen + NO | |||||
---|---|---|---|---|---|---|
Baseline | Acute test | p value | Baseline | Acute test | p value | |
Values are mean (SD); n=40. | ||||||
PAPm=mean pulmonary artery pressure; PVR=pulmonary vascular resistance; PVRI=pulmonary vascular resistance index; CO=cardiac output; CI=cardiac index; PCWP=pulmonary capillary wedge pressure. | ||||||
PAPm (mm Hg) | 24.6 (5.7) | 21.6 (6.2) | 0.0001 | 27.6 (4.4) | 23.1 (5.3) | <0.0001 |
PVR (dyne.s−1.cm−5) | 259 (101.7) | 180.2 (75.1) | 0.0001 | 276.9 (96.6) | 193.5 (78.7) | 0.0001 |
PVRI (dyne.s−1.cm−5.m−2) | 519.7 (209.5) | 375.6 (162.2) | 0.0001 | 569.7 (208.1) | 394.6 (150.3) | 0.0001 |
CO (l/min) | 5.5 (1.3) | 6.1 (1.8) | <0.01 | 5.6 (1.3) | 6.2 (1.4) | <0.01 |
CI (l/min/m2) | 2.7 (0.5) | 2.9 (0.5) | <0.01 | 2.7 (0.6) | 3.0 (0.6) | <0.01 |
PCWP (mm Hg) | 9.6 (2.9) | 9.8 (2.6) | 0.6798 | 10.4 (3.3) | 10.2 (3.1) | 0.5488 |