To evaluate whether EELI, RVD, GI were good predictor for weaning from mechanical ventilation

53 patients who ready to wean from mechanical ventilation were included in this study. The changes of lung tidal distribution during SBT with mechanical ventilation by EIT were recorded. Whether EELI, RVD, GI were good predictor for weaning from mechanical ventilation?

Inclusion Criteria:

1. Intubated patients age between 18 years old and 80 years old
2. Duration of controlled mechanical ventilation≥ 24 h
3. Patients ready to wean from mechanical ventilation
4. Informed consent

Exclusion Criteria:

1. Pregnant women
2. Patients with malignant tumor
3. High paraplegia, neuromuscular lesions
4. Thoracic deformity, diaphragmatic hernia
5. Patients with ECMO
6. Patient participated in another interventional trial before enrollment

Patients with mechanical ventilation admitted to ICU of Zhongda hospital