Research Article

Leakage Characteristics of Dual-Cannula Fenestrated Tracheostomy Tubes during Positive Pressure Ventilation: A Bench Study

Table 2

Ventilator and lung simulator compliance settings.

VariableSettings

Ventilation modeVolume-controlled
Pressure-controlled
Ventilator rate (breaths·min−1)15
Tidal volume (mL)450 ± 5%
Inspiration : expiration ratio1 : 2
Positive end-expiratory pressure (mbar)3, 6, 9, 12
Lung simulator compliance (mL·mbar−1)20, 50
Lung simulator resistance (mbar·mL−1·sec−1)5