Effects of Different Postures and Ventilator Flow Waveforms on the Cuff Leak Test

Effects of Different Postures and Ventilator Flow Waveforms on the Cuff Leak Test: A Prospective Cohort Study

the purpose of this study is to analyzes the factors influencing the results of cuff leak test, in order to improve the cuff leak test on the accuracy of the prediction on airway edema after extubation.

Inclusion Criteria:

• Intubation less than 24 hours before amitting respiratory intensive care unit;

Exclusion Criteria:

• unstable hemodynamics;PEEP≥10cmH2O or FiO2≥0.8