Table 5

Haemodynamic and respiratory gas modifications at the four time points of the study: subgroups B1 and B2



Time point



Parameter
Group
1
2
3
4

HR (beats/min)
B1
62 ± 10
60 ± 12
62 ± 10
59 ± 9

B2
70 ± 10
67 ± 11
66 ± 12
66 ± 11
MSP (mmHg)
B1
90 ± 18
91 ± 20
91 ± 21
95 ± 20

B2
84 ± 18
83 ± 18
84 ± 20
86 ± 21
SVRI (dynes· s/cm5 per m2)
B1
2511 ± 562
2623 ± 519
2392 ± 380
2607 ± 415

B2
2884 ± 1200
3021 ± 1600
2842 ± 1253
2980 ± 1160
CI (l/min per m2)
B1
2.80 ± 0.5
2.69 ± 0.4
2.90 ± 0.5
2.70 ± 0.4

B2
2.46 ± 0.6
2.36 ± 0.6
2.49 ± 0.7
2.40 ± 0.6
SVI (ml/beat per m2)
B1
46 ± 10
46 ± 8
47 ± 7
46 ± 8

B2
36 ± 8
36 ± 9
38 ± 11
37 ± 10
PVRI (dynes·s/cm5 per m2)
B1
218 ± 64
227 ± 76
253 ± 77
242 ± 96

B2
296 ± 183
365 ± 228
320 ± 197
332 ± 207
PaO2 (mmHg)
B1
75.3 ± 12
74.4 ± 13
73 ± 13
73 ± 12

B2
73.6 ± 13
72 ± 13
73.4 ± 10
70 ± 9
SaO2 (%)
B1
95 ± 2
94.5 ± 2
94.4 ± 2
94.7 ± 2

B2
94.5 ± 2
94 ± 2
94.6 ± 2
94 ± 2
Qsp/Qt (%)
B1
16 ± 7
17 ± 8
17 ± 7
16 ± 7

B2
16 ± 5
17 ± 6
16 ± 6
17 ± 4

No significant difference was observed within the two groups. See text for definitions of groups, subgroups and time points. CI, cardiac index; HR, heart rate; MSP, mean systemic pressure; PaO2, arterial oxygen tension; 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