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Table 3 Hemodynamic parameters of the study population as a whole, group (dIVC <18%) and group (dIVC ≥18%)

From: The gray zone of the qualitative assessment of respiratory changes in inferior vena cava diameter in ICU patients

 

All patients (n= 97)

dIVC <18% (n= 71)

dIVC ≥18% (n= 26)

P value

SBP (mm Hg)

120 ± 23

123 ± 23

114 ± 20

0.1

MBP (mm Hg)

82 ± 16

84 ± 17

77 ± 12

0.04

DBP (mmHg)

63 ± 15

65 ± 16

57 ± 12

0.03

HR (per min)

80 ± 16

81 ± 16

77 ± 18

0.4

Max IVC diameter (cm)

1.8 ± 0.4

1.9 ± 0.4

1.60 ± 0.4

<0.01

Min IVC diameter (cm)

1.6 ± 0.4

1.8 ± 0.4

1.2 ± 0.4

<0.01

PPvariation (%)

13 ± 7 (n = 82)

11 ± 5 (n = 61)

18 ± 9 (n = 21)

<0.01

  1. dIVC, inferior vena cava distensibility index; SBP, systolic blood pressure; DBP. diastolic blood pressure; MAP, mean arterial pressure; HR, heart rate; PPvariation, respiratory variation of pulse pressure.