Table 3

Haemodynamic and respiratory gas modifications at the four time points of the study: whole study population


Time point


Parameter
 Group
 1
 2
 3
 4
HR (beats/min)
 A
 60 ± 11
 59 ± 11
 60 ± 9
 58 ± 8

B
 65 ± 11
 63 ± 12
 64 ± 12
 62 ± 11
MSP (mmHg)
 A
 85 ± 17
 81 ± 21
 81 ± 18
 84 ± 17

B
 88 ± 18
 88 ± 20
 88 ± 21
 92 ± 20
SVRI (dynes·s/cm5 per m2)
 A
 2808 ± 577
 2533 ± 507
 2351 ± 602*
 2559 ± 539

B
 2610 ± 942
 2720 ± 1057
 2544 ± 879
 2821 ± 780
CI (l/min per m2)
 A
 2.34 ± 0.5
 2.42 ± 0.5
 2.64 ± 0.5*
 2.5 ± 0.4

B
 2.67 ± 0.6
 2.56 ± 0.5
 2.74 ± 0.6
 2.58 ± 0.5
SVI (ml/beat per m2)
 A
 39 ± 8
 41 ± 8
 44 ± 7*
 43 ± 9

B
 42 ± 11
 41 ± 9
 43 ± 10
 42 ± 10
MPP (mmHg)
 A
 15 ± 4
 15 ± 5
 15 ± 4
 16 ± 5

B
 15 ± 4
 16 ± 5
 15 ± 6
 16 ± 7
PCWP (mmHg)
 A
 8 ± 3
 9 ± 4
 8 ± 3
 8 ± 4

B
 7 ± 3
 7 ± 3
 6 ± 4
 7 ± 4
PVRI (dynes·s/cm5 per m2)
 A
 233 ± 103
 224 ± 67
 215 ± 66*
 242 ± 80

B
 240 ± 127
 285 ± 204
 264 ± 168
 277 ± 167
CVP (mmHg)
 A
 3 ± 2
 4 ± 2
 3 ± 1
 4 ± 2

B
 2 ± 1
 2 ± 1
 2 ± 1
 2 ± 1
PaO2 (mmHg)
 A
 80.3 ± 10
 74.6 ± 12
 71.6 ± 9*
 76.1 ± 12

B
 75.6 ± 12
 72 ± 13
 71.8 ± 12
 71.3 ± 11
SaO2 (%)
 A
 95.8 ± 1.5
 94.7 ± 2
 94.2 ± 2*
 95 ± 2.4

B
 94.9 ± 2
 94.1 ± 2.4
 94.3 ± 2
 94.3 ± 2
PaCO2 (mmHg)
 A
 38 ± 3
 37 ± 3
 38 ± 3
 38 ± 3

B
 37 ± 3
 37 ± 5
 37 ± 5
 37 ± 4
Qsp/Qt (%)
 A
 12 ± 5
 17 ± 6
 18 ± 6*
 14 ± 8

B
 15 ± 6
 17 ± 8
 17 ± 7
 17 ± 6

*P < 0.05, versus time point 1 within each group. See text for definitions of groups, subgroups and time points. CI, cardiac index; CVP, central venous pressure; HR, heart rate; MPP, mean pulmonary pressure; MSP, mean systemic pressure; PaCO2, arterial carbon dioxide tension; PaO2, arterial oxygen tension; PCWP, pulmonary capillary wedge pressure; PVRI, pulmonary vascular resistance index; Qsp/Qt, shunt fraction; SaO2, arterial oxygen saturation; SVI, stroke volume index; SVRI, systemic vascular resistance index.

Bertolissi et al. Critical Care 2002 6:234   doi:10.1186/cc1495