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Table 2 Resting parameters

From: Microcirculatory alterations induced by sedation in intensive care patients. Effects of midazolam alone and in association with sufentanil

 

NS period

H period

HS period

MAP (mm Hg)

94 ± 3

84 ± 4a

81 ± 4a

HR (beats per minute)

83 ± 6

81 ± 5

78 ± 5

CO (litres/minute)

5.38 ± 0.82

5.27 ± 0.82

5.33 ± 1.08

SpO2 (percentage)

96.4 ± 0.5

96.7 ± 0.5

96.1 ± 0.5

tcPO2 (mm Hg)

67 ± 6

61 ± 6

61 ± 7

tcPCO2 (mm Hg)

45 ± 2

44 ± 4

42 ± 4

Φrest (PU)

150 ± 22

207 ± 25a

205 ± 25a

CMBC (CU)

145 ± 15

152 ± 16

155 ± 15

Velocity (VU)

1.06 ± 0.11

1.39 ± 0.15a

1.37 ± 0.79a

  1. ap < 0.05 versus NS period. Φrest, mean blood flow at rest; CMBC, concentration of moving blood cells in concentration units (CU); CO, cardiac output; H period, set of measurements obtained when the patients were sedated by midazolam; HR, heart rate; HS period, set of measurements obtained when the patients were sedated by midazolam and sufentanil; MAP, mean arterial pressure; NS period, set of measurements obtained when the patients were non-sedated; PU, perfusion units; SpO2, percutaneous oxygen saturation; tcPCO2, transcutaneous carbon dioxide pressure; tcPO2, transcutaneous oxygen pressure; velocity expressed in velocity units (VU), Φrest (perfusion units)/CMBC.