Table 1

 Haemodynamic parameters before and after aortic stent valve implantation and at the end of the experiment

Before stent implantationAfter stent implantationEnd of experiment
Presented parameters are mean (SD) values of four pigs.
AoP, aortic pressure; AoVmax, peak velocity in the aortic valve/implanted stent valve measured by continuous wave Doppler; CO, cardiac output; CVP, central venous pressure; HR, heart rate; LVP, left ventricular pressure; PAP, pulmonary artery pressure; PCW, pulmonary capillary wedge pressure.
HR (1/min)71.4 (6.25)76.6 (6.44)72.8 (19.66)
PAP systolic (mm Hg)30.4 (4.96)31.4 (6.01)35.5 (11.19)
PAP diastolic (mm Hg)15.0 (3.35)14.8 (3.56)16.8 (6.30)
PAP mean (mm Hg)24.4 (3.93)23.8 (3.90)24.8 (7.08)
PCW (mm Hg)16.2 (6.52)14.5 (6.98)12.0 (6.04)
CVP (mm Hg)13.2 (2.93)13.0 (3.41)15.3 (6.53)
LVP systolic (mm Hg)103.8 (7.98)100.5 (12.46)83.3 (14.62)
LVP diastolic (mm Hg)1.2 (1.60)1.0 (1.73)0.5 (0.87)
LVP end diastolic (mm Hg)14.6 (6.62)14.5 (6.98)12.3 (5.85)
AoP systolic (mm Hg)103.4 (8.31)98.0 (12.21)83.3 (15.83)
AoP diastolic (mm Hg)71.4 (10.44)65.0 (11.15)50.5 (6.38)
AoP mean (mm Hg)88.5 (7.31)84.6 (9.51)65.6 (11.76)
CO (l/min)3.8 (0.73)3.7 (0.87)3.9 (1.39)
AoVmax (m/s)0.7 (0.06)0.8 (0.11)0.6 (0.14)