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Table 1 Study results of the apnea times to haemodynamic values

From: Hemoglobin Vesicles prolong the time to circulatory collapse in rats during apnea

Blood pressure (mmHg)

Apnea time (s)

Mean

S.D.

CV

SBP

30

100.6

40.1

0.39

25

113.8

42.1

0.36

20

123.8

38.2

0.30

MAP

20

122.6

39.2

0.31

15

143.8

33.9

0.23

10

192.3

68.6

0.35

PP

25

26.6

7.9

0.29

20

39.4

7.2

0.18

15

46

9.4

0.20

10

68.8

37.9

0.55

5

78.8

41.2

0.52

  1. Data are presented in seconds. A pulse pressure below 20 mmHg had the lowest CV (Coefficients of variation) and was used to define the circulatory collapse experimentally. All rats (n = 5) were mechanically ventilated with room air at 1 L/min and oxygen at 1 L/min to maintain FIO2 = 0.6
  2. SBP systolic blood pressure; MAP mean arterial pressure; PP pulse pressure
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BMC Anesthesiology

ISSN: 1471-2253

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