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Table 1 Ventilator parameters and arterial blood gas analysis

From: Successful lung-protective ventilatory management during the VV-ECMO in a severe COVID-19 pneumonia patient with extensive pneumomediastinum and subcutaneous emphysema: a case report

 

Pre-ECMO

ECMO day 1

ECMO day 5

ECMO day7

ECMO weaning

Post-ECMO

Pre-extubation

Mode

SIMV

PCV

PCV

PCV

PCV

PCV

CPAP/PS

FiO2

0.75

0.4

0.4

0.4

0.5

0.5

0.5

PIP/PS

25

10

18

22

24

25

5

PEEP

10

5

10

12

12

10

5

RR

22

10

10

8

16

20

–

TV

–

10

180

280

395

545

–

SG FiO2

–

0.9

0.9

0.9

0.21

–

–

SG flow

–

3

3.5

3.5

1.0

–

–

EBF

–

3.9

3.9

3.9

1.4

–

–

pH

7.29

7.36

7.42

7.41

7.39

7.46

7.53

PaO2

69

56.5

78.0

77.0

102.3

93.5

155.4

PaCO2

70.6

53.8

46.4

44.8

51.3

39.5

34.3

  1. SIMV Synchronized intermittent mandatory ventilation, PCV Pressure control ventilation, CPAP/PS Continuous positive airway pressure/pressure support, FiO2 Fraction of inspired oxygen, PIP Peak inspiratory pressure (cmH2O), PEEP Positive end-expiratory pressure (cmH2O), RR Respiratory rate (/min), TV Tidal volume (mL), SG flow Sweep gas flow (L/min), EBF Extracorporeal blood flow (3.9 L/min), PaO2 Partial pressure of oxygen in arterial blood (mmHg), PaCO2 Partial pressure of carbon dioxide in arterial blood (mmHg)