Clinical Study

Managing Hypercapnia in Patients with Severe ARDS and Low Respiratory System Compliance: The Role of Esophageal Pressure Monitoring—A Case Cohort Study

Table 3

Respiratory and hemodynamic parameters on baseline and 1 hour after intervention guided by esophageal balloon measurements.

Baseline before interventionOne hour after intervention value

PaCO2 (mmHg)108.33 ± 25.6564.5 ± 16.890.003
PH7.01 ± 0.087.20 ± 0.08<0.001
FiO2 (%)66.66 ± 16.3253.33 ± 5.160.08
PEEP13.66 ± 2.1610.83 ± 5.450.18
P/F ratio (mmHg)144.25 ± 54.15158.66 ± 30.110.45
Respiratory rate23.7 ± 6.821.7 ± 4.30.3
Minute ventilation (L/min)5.6 ± 1.89.1 ± 1.4<0.001
Inspiratory pressure16.66 ± 2.5824.16 ± 2.040.007
EITP pressure13.68 ± 8.6916.76 ± 4.760.18
EETP pressure1.5 ± 5.96−0.25 ± 4.320.19
Plateau pressure28.76 ± 2.7732.76 ± 7.200.29
Tidal volume (in mL)244.16 ± 69.88435.0 ± 103.7<0.001
Tidal volume (in mL/kg IBW)3.96 ± 0.927.07 ± 1.21<0.001
Total respiratory system compliance16.56 ± 5.919.99 ± 5.730.11
Lung compliance*23.09 ± 8.6626.717 ± 9.670.29
Chest wall compliance*40.5 ± 63.581.1 ± 1240.168
Cardiac index (L/min/m2)2.98 ± 0.663.21 ± 0.570.25

Compliance in mL/cmH2O.
EITP: end inspiratory transpulmonary pressure, EETP: end expiratory transpulmonary pressure, and PEEP: positive end expiratory pressure.