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Table 3 Systemic circulatory variables before and after reduction of the arterial carbon dioxide partial pressure (PaCO2)

From: Cerebral haemodynamics and carbon dioxide reactivity during sepsis syndrome

 

Baseline

Decreased PaCO2

Heart rate (1/min)

104 ± 18

108 ± 19

Mean arterial pressure (mmHg)

89 ± 15

87 ± 16

Central venous pressure (mmHg)

15 ± 5

15 ± 6

Pulmonary arterial pressure (mmHg)

26 ± 5

25 ± 5

Intrathoracic blood volume index (ml/m2)

1032 ± 202

988 ± 231

Systemic vascular resistance index (dyn/s/cm-5/m2)

899 ± 382

874 ± 358

Cardiac index (l/min/m2)

4.2 ± 1.8

4.1 ± 1.9

  1. There were no significant differences between baseline values and reduction of the PaCO2 (P < 0.05, matched pairs t test), n = 10.