Skip to main content

Table 2 Blood gas analyses before and during high-frequency oscillation ventilation (HFOV)

From: High-frequency oscillation ventilation for hypercapnic failure of conventional ventilation in pulmonary acute respiratory distress syndrome

  Before HFOV After 1 h HFOV P After 24 h HFOV P
Number of patients 26 26   24  
PaCO2 (mmHg) 67.6 ± 12.3 53.9 ± 13.7 <0.001 50.4 ± 17.3 <0.001
pH 7.20 ± 0.069 7.28 ± 0.095 <0.001 7.34 ± 0.052 <0.001
PaO2/FiO2 (mmHg) 139 ± 49 125 ± 50 0.17 155 ± 52 0.16
  1. P values of paired t test. Two patients receiving extracorporeal lung support were omitted from 24-hour analysis. Values are given as mean ± standard deviation. PaCO2, arterial partial pressure of carbon dioxide; PaO2, arterial partial pressure of oxygen; FiO2, fraction of inspired oxygen.