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Table 2 Clinical and biological variables during the normothermic phase of TTM, according to outcomes

From: Cerebral autoregulation in anoxic brain injury patients treated with targeted temperature management

 

Survivors (n = 19)

Non-survivors (n = 31)

p value

FO (n = 14)

UO (n = 36)

p value

Sedatives, n (%)

6 (31)

19 (61)

0.08

4 (29)

21 (58)

0.11

NMBA, n (%)

1 (5)

7 (23)

0.13

1 (7)

7 (19)

0.41

Mechanical ventilation, n (%)

8 (42)

26 (84)

< 0.01

3 (21)

31 (86)

< 0.01

MAP, mmHg

77 [70–89]

75 [70–83]

0.47

81 [70–91]

75 [70–85]

0.37

Heart rate, bpm

91 [68–111]

88 [78–103]

0.82

93 [66–108]

88 [78–106]

0.65

Temperature, °C

37.0 [36.8–37.4]

36.8 [36.4–37.1]

0.08

37.1 [37.0–37.5]

36.8 [36.5–37.1]

0.04

Hemoglobin, g/dL

12.2 [10.7–14.0]

10.8 [8.9–12.8]

0.17

11.9 [10.5–14.0]

11.5 [9.3–13.7]

0.68

PEEP, cmH2O

5 [5–8]

6 [5–10]

0.46

5 [5–9]

6 [5–10]

0.51

FiO2

0.4 [0.3–0.5]

0.3 [0.3–0.5]

0.16

0.4 [0.3–0.5]

0.3 [0.3–0.5]

0.25

pH

7.36 [7.32–7.39]

7.40 [7.35–7.42]

0.20

7.38 [7.34–7.39]

7.4 [7.33–7.42]

0.88

PaCO2, mmHg

39 [37–40]

36 [34–40]

0.02

39 [37–42]

37 [34–40]

0.07

PaO2, mmHg

83 [70–92]

80 [72–91]

0.74

85 [76–94]

80 [71–91]

0.43

ScvO2, %

75 [72–79]

75 [73–78]

0.82

75 [72–79]

75 [72–78]

0.83

Lactate, mmol/L

1.3 [1.0–2.0]

1.3 [1.0–2.3]

0.66

1.3 [1.0–1.7]

1.3 [1.0–2.4]

0.37

Time to TCD assessment, hours

38 [35–43]

38 [36–46]

0.78

39 [36–42]

38 [32–48]

0.98

Cardio-active medications, n (%)

9 (47)

23 (74)

0.07

6 (43)

26 (72)

0.10

  1. FiO2 fraction of inspired oxygen, FO favorable outcome, MAP mean arterial pressure, NMBA neuromuscular blocking agents, PEEP positive end-expiratory pressure, PaCO2 carbon dioxide arterial partial pressure, PaO2 oxygen arterial partial pressure, ScvO2 central venous oxygen saturation, TCD transcranial Doppler, UO unfavorable outcome