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Table 4 Oxygenation response to venovenous extracorporeal membrane oxygenation support a

From: Emergent severe acute respiratory distress syndrome caused by adenovirus type 55 in immunocompetent adults in 2013: a prospective observational study

Patient

Conventional ventilation settings pre-ECMO

Pre-ECMO arterial blood gas analysis

Mechanical ventilation settings post-ECMO

Post-ECMO arterial blood gas analysis

Ventilator type

Pi/PS (cmH2O)

PEEP (cmH2O)

FiO2(%)

pH

PaCO2(mmHg)

PaO2(mmHg)

SpO2(%)

Ventilator type

PS (cmH2O)

PEEP (cmH2O)

FiO2(%)

pH

PaCO2(mmHg)

PaO2(mmHg)

SpO2(%)

Patient 1: ECMO manufacturer/model (4,150 rpm; MAQUET (Wayne, NJ, USA)), 5.2 L/min, 6.8 L/min, total of 8 days on ECMO

 

PSV

12

20

1

7.229

62.3

76.7

65

PA/C

10

20

0.3

7.406

37.5

74.7

93

Patient 2: No ECMO, HFOV = 4 Hz, P = 70 cmH2O, Paw = 45 cmH2O

 

PA/C

18

10

0.8

7.267

81

76.3

94

No

Patient 3: ECMO manufacturer/model (3,950 rpm; MAQUET (Wayne, NJ, USA)), 5.0 L/min, 5.0 L/min, total of 6 days on ECMO

 

PA/C

12

20

1

7.25

66.4

75.4

90

PA/C

10

18

0.4

7.517

41.2

71.5

96

 

HFOV = 4.5 Hz, P = 65 cmH2O, Paw = 26 cmH2O

Patient 4: ECMO manufacturer/model (3,740 rpm; MAQUET (Wayne, NJ, USA)), 4.38 L/min, 4.0 L/min, total of 2 days on ECMO

 

SIMV

24

10

1

7.44

38

44

76

PA/C

10

14

0.35

7.441

37.5

89.6

96.8

Patient 5: ECMO manufacturer/model (3,340 rpm; MAQUET (Wayne, NJ, USA)), 4.9 L/min, 4.5 L/min, total of 13 days on ECMO

 

PA/C

16

18

1

7.347

74.2

80.2

83

PA/C

12

14

0.3

7.485

40.8

103

96

 

HFOV = 4 Hz, P = 65 cmH2O, Paw = 30 cmH2O

  1. aECMO, Extracorporeal membrane oxygenation; FiO2, Fraction of inspired oxygen; HFOV, High-frequency oscillatory ventilation; PA/C, Pressure assist/control; PaCO2, Partial pressure of carbon dioxide; PaO2, Partial pressure of oxygen; Paw, Airway pressure; PEEP, Positive end-expiratory pressure; Pi, Initial pressure; PS, Sustained pressure; PSV, Pressure support ventilation; SIMV, Synchronized intermittent mechanical ventilation; SpO2, Peripheral capillary oxygen saturation; rpm, rounds per minute. The two liters per minute means the range of blood flow provided at the pump rounds level of ECMO.