Skip to main content

Table 4 EIP produced by different nasal cannulae in HFNC at different flow rates

From: Factors influencing nasal airway pressure and comfort in high-flow nasal cannula oxygen therapy: a volunteer study

Flow rate(L/min)

 

EIP

 

5 mm

4 mm

3 mm

0

−0.82(0.48)

−0.68(0.58)

−0.66(0.35)

10

−0.58 (0.47)

−0.61(0.58)

− 0.43(0.56)#

20

−0.07(0.56)

− 0.08(0.55)

− 0.13(0.55)

30

0.19(0.63)

0.28(0.54)

0.22(0.80)

40

1.02(1.21)

0.96(0.79)

0.94(1.21)#

50

1.77(1.51)*

1.49(1.24)#

1.62(1.51)

60

2.88(1.89)*

2.27(1.41)#

2.26(1.56)#

  1. Values are median (IQR), # represents P < 0.05 compared to 5 mm cannula at the same flow rate, * represents P < 0.05 compared to 4 mm cannula
Back to article page

BMC Pulmonary Medicine

ISSN: 1471-2466

Contact us