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Table 3 Lung recruitment maneuvers grouped according indications

From: Regular lung recruitment maneuvers during high-frequency oscillatory ventilation in extremely preterm infants: a randomized controlled trial

Indication

N (%)

D [min]b

MAPmax

MAP start

MAP end

FiO2 start

FiO2 end

Start HFOV

35 (9)

75 (40)

18 (3)

11.2 (1.8)

10.5 (2.2)

50 (26)

38 (18)*

Surfactant application

19 (5)

68 (40)

19 (3)

11.2 (1.6)

11.4 (1.4)

55 (22)

41 (16)*

Change of position

102 (26)

80 (47)

20 (3)

11.0 (1.4)

10.9 (1.5)

61 (26)

48 (23)*

Decrease of SpO2a

84 (22)

63 (44)

19 (4)

11.0 (1.8)

10.5 (1.9)

56 (25)

48 (22)*

Atelectasis

27 (7)

57 (42)

18 (2)

10.8 (1.2)

10.7 (1.4)

57 (24)

47 (18)*

Per protocol

71 (18)

72 (40)

18 (3)

10.9 (1.8)

10.4 (1.8)

44 (17)

36 (14)*

All

388

70 (43)

19 (3)

11.0 (1.6)

10.8 (1.6)

56 (24)

45 (20)*

  1. HFOV high frequency oscillatory ventilation, D Duration, FiO2 fraction of inspired oxygen in [%], MAP mean airway pressure in [mbar], MAP max maximum MAP of the lung recruitment maneuver
  2. aManipulation (e.g., suctioning, disconnection of the endo-tracheal tube) with FiO2 increase of > 0.1 or SpO2 decrease > 10% for > 5 min
  3. Numbers represent mean (SD) else indicated. b median (IQR), * p < 0.001 (paired t-test)