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Table 3 Hemodynamic and vascular occlusion test parameters

From: Microvascular reactivity and clinical outcomes in cardiac surgery

Measurements

Patients with composite complications

Patients without composite complications

P value

(n = 81)

(n = 151)

At the end of surgery

Heart rate

80 (70–90)

76 (66–84)

0.074

SpO2, %

100 (99–100)

100 (100–100)

0.111

Mean arterial pressure, mm Hg

68 (64–82)

74 (67–78)

0.089

Central venous pressure, mm Hg

10 (6–12)

7 (5–10)

0.002

Cardiac index, l/min per m2

2.5 (0.9)

2.4 (0.6)

0.311

Mixed venous saturation, %

70 (7)

72 (6)

0.051

Temperature, °C

35.8 (0.6)

35.9 (0.6)

0.228

Use of inotropes

32 (39.5 %)

20 (13.2 %)

<0.001

Use of vasopressors

35 (43.2 %)

45 (29.8 %)

0.041

Lactate, mmol/l

2.0 (1.2–3.2)

1.5 (1.0–2.1)

0.001

Tissue oxygen saturation, %

78.4 (7.9)

76.4 (8.1)

0.061

VOT occlusion slope, %/min

−9.7 (2.6)

−9.6 (2.8)

0.771

VOT recovery slope, %/s

3.0 (1.6)

3.4 (1.4)

0.067

First postoperative day

Heart rate

82 (76–92)

78 (72–86)

0.005

SpO2, %

100 (99 – 100)

100 (100–100)

0.669

Mean arterial pressure, mm Hg

74 (68–78)

77 (68–80)

0.310

Central venous pressure, mm Hg

8 (7–10)

7 (5–9)

<0.001

Cardiac index, l/min per m2

2.7 (0.6)

2.7 (0.5)

0.857

Temperature, °C

36.7 (0.7)

36.8 (0.6)

0.115

Use of inotropes

60 (74.1 %)

88 (58.7 %)

0.020

Use of vasopressors

27 (33.3 %)

19 (12.6 %)

<0.001

Use of midazolam

20 (24.7 %)

7 (4.6 %)

<0.001

Use of remifentanil

38 (46.9 %)

29 (19.2 %)

<0.001

Tissue oxygen saturation, %

86.5 (6.6)

85.7 (7.5)

0.513

VOT occlusion slope, %/min

−8.5 (2.7)

−10.1 (6.0)

0.066

VOT recovery slope, %/s

3.1 (1.6)

4.0 (1.5)

0.001

  1. Data are presented as mean (standard deviation), median (interquartile range), or number (percentage)
  2. SpO2 peripheral capillary oxygen saturation, VOT vascular occlusion test