Skip to main content

Table 1 Venous and arterial line pressure distribution according to study group

From: Counteracting negative venous line pressures to avoid arterial air bubbles: an experimental study comparing two different types of miniaturized extracorporeal perfusion systems

 

MEPS + OVR group

MEPS group

P value

Venous line pressure (%)

 > −50 mmHg

85.7 ± 13.3

23.2 ± 20.5

<0.001

 −50 to −74 mmHg

12.4 ± 11.7

37.8 ± 24.1

<0.001

 −75 to −149 mmHg

1.9 ± 5.1

18.9 ± 12.0

<0.001

 −150 to −299 mmHg

0

16.9 ± 11.3

<0.001

 ≤ − 300 mmHg

0

2.1 ± 2.1

0.006

Right arterial line pressure (%)

 >10 mmHg

3.2 ± 4.8

1.2 ± 0.9

0.664

 10 to 1 mmHg

56.4 ± 7.6

17.2 ± 14.0

<0.001

 0 to −9 mmHg

37.8 ± 12.0

31.7 ± 12.7

0.902

 −10 to −29 mmHg

2.3 ± 0.7

18.1 ± 17.0

0.014

 −30 to −99 mmHg

0.4 ± 0.3

21.1 ± 6.5

<0.001

 −100 to −199 mmHg

0

9.5 ± 3.7

<0.001

 ≤ − 200 mmHg

0

1.2 ± 0.4

<0.001

  1. MEPS miniaturized extracorporeal perfusion system; MEPS + OVR miniaturized extracorporeal perfusion system plus volume replacement reservoir group