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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)