Skip to main content

Table 2 Conventional ventilation settings and gas exchange before and after HFOV

From: The initial Mayo Clinic experience using high-frequency oscillatory ventilation for adult patients: a retrospective study

  Initial Immediately Before HFOV After HFOV
Number of patients 14 14* 12
Volume control ventilation 12 9 7
Pressure control ventilation 2 7 6
Tidal volume (mL/Kg †) 7.1 (2.1) 6.1 (1.0) 6.2 (1.3)
PEEP (cm H2O) 13 (5) 14 (4) 13 (4)
Peak airway pressure (cm H2O) 37 (10) 39 (5) 34 (7)
Plateau pressure (cm H2O) 35 (11) 35 (6) 32 (11)
Mean airway pressure (cm H2O) 19 (6) 24 (4) 20 (5)
Respiratory rate (per minute) 24 (7) 28 (6) 24 (4)
Minute ventilation (L/minute) 12 (4) 11 (3) 10 (4)
FIO2 0.95 (0.11) 0.91 (0.16) 0.75 (0.23)
PaO2 (mm Hg) 81 (33) 63 (8) 67 (17)
PaCO2 (mm Hg) 52 (14) 57 (17) 56 (12)
pH 7.28 (0.12) 7.26 (0.15) 7.28 (0.15)
PaO2/FIO2 89 (47) 73 (20) 96 (34)
Oxygenation index 27 (16) 35 (10) 26 (16)
  1. Data is presented as mean (SD).
  2. * In one patient HFOV was used three times; † Predicted body weight;