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Table 2 Intraoperative and postoperative data

From: The low fresh gas flow anesthesia and hypothermia in neonates undergoing digestive surgeries: a retrospective before-after study

 

Overall patients (n = 249)

Routine (n = 170)

Low flow (n = 79)

P value

Fresh gas flow rate (L/min) (Median, IQR)

2.0 (1.0, 2.0)

2.0 (2.0, 2.0)

1.0 (1.0, 1.0)

< 0.01*

Mean temperature during surgery (Mean ± SD)

35.7 ± 0.8

35.6 ± 0.8

36.0 ± 0.6

< 0.01*

Hospital mortality, n (%)

25 (10.0)

20 (11.8)

6 (7.6)

0.43

Hypothermia, n (%)

204 (81.9)

149 (87.6)

55 (69.6)

< 0.01*

Length of hypothermia (mins) (Median, IQR)

90 (20, 148)

104 (50, 156)

30 (0, 100)

< 0.01*

The lowest temperature (°C) (Median, IQR)

35.4 (34.7, 35.8)

35.1 (34.5, 35.7)

35.7 (35.3, 36.0)

< 0.01*

Duration of surgery (mins) (Mean ± SD)

92.0 ± 45.0

91.8 ± 45.9

92.6 ± 43.4

0.81

Transfusion (ml)

 Blood (Mean ± SD)

7.1 ± 12.7

7.7 ± 13.8

5.7 ± 10.4

0.52

 Plasma (Mean ± SD)

0.9 ± 1.8

1.4 ± 2.7

0 ± 0

0.17

 Blood loss during surgery (ml) (Mean ± SD)

4.4 ± 4.0

4.3 ± 4.0

4.4 ± 4.1

0.94

 Fluid infusion during surgery (mL) (Mean ± SD)

98.9 ± 50.8

99.9 ± 53.4

97.1 ± 44.8

0.72

 Urine (ml) (Mean ± SD)

13.6 ± 11.0

13.2 ± 10.4

14.3 ± 12.2

0.85

 Preoperative Hemoglobin (g/dL) (Mean ± SD)

146.3 ± 47.2

141.4 ± 41.3

156.9 ± 60.0

0.39

 Postoperative Hemoglobin (g/dL) (Mean ± SD)

125.4 ± 34.2

124.8 ± 35.5

126.7 ± 31.2

0.30

 Postoperative hospital length-of- stay (PLOS), days (Mean ± SD)

22.9 ± 18.6

23.9 ± 19.6

20.8 ± 16.6

0.13

  1. Note: Sample (n), Standard deviation (SD), Interquartile Range (IQR), *P<0.05