Table 1 Haemodynamic data at each experimental step

Mean arterial pressure (mmHg)

77 ± 20

99 ± 18*

109 ± 13*

112 ± 16*

Heart rate (beats/min)

87 ± 18

92 ± 18

92 ± 13

99 ± 12*

Central venous pressure (mmHg)

5 ± 2

7 ± 2

12 ± 4*^†

12 ± 3*^†

Pulmonary artery occlusion pressure (mmHg)

7 ± 2

11 ± 3

16 ± 6*^†

16 ± 3*^†

Intra-abdominal pressure (mmHg)

7 ± 2

7 ± 3

25 ± 3*^†

27 ± 4*^†

Chest wall compliance (ml/cmH₂O)

58 ± 24

65 ± 22

22 ± 5*^†

21 ± 4*^†

Systemic vascular resistance (dyn·s/cm⁵)

963 ± 392

1006 ± 356

1038 ± 192

994 ± 303

Global end-diastolic volume (ml)

767 ± 164

883 ± 214*

928 ± 172*

997 ± 217*^†

PulseCO (l/min)

6.4 ± 2.0

7.1 ± 2.7*

6.8 ± 2.5

7.0 ± 2.8

PCCO_pre (l/min)

n.a.

7.1 ± 1.1*

6.8 ± 2.0

7.9 ± 1.9

CO_TCP (l/min)

6.2 ± 1.6

7.5 ± 2.1*

8.0 ± 1.9*

9.4 ± 2.4*^†‡

PCCO_recal (l/min)

6.2 ± 1.6

7.5 ± 2.1*

8.0 ± 1.9*

9.4 ± 2.4*^†‡

CCO_PAC (l/min)

6.4 ± 1.4

7.6 ± 1.4*

7.7 ± 1.5*

9.1 ± 2.1*^†‡