ICU Predictive Score of WEaning Success in Patients At Risk of Extubation Failure

Inclusion Criteria: * Age \> 18 years * Invasive mechanical ventilation for at least 48 hours * Criteria for ventilatory weaning are present * T-piece spontaneous breathing trial planned * Patients with a social security program Exclusion Criteria: * Patients already included in this study during the same stay in intensive care * Resuscitation neuromyopathy defined by an MRC (Medical Research Council) score \< 48/60 * Surgery planned within 72 hours * Prolonged ventilatory weaning (\>7 days after the first SBT) * Patients with tracheostomy * Patients with non-reintubation decision or terminal extubation * Brain damaged patients * Patients with ECMO/ECLS * Tetraplegic or paraplegic patients with lesion level higher than T8 * Nasotracheal intubated patients * Pregnant or breastfeeding women * Refusal to participate in the study (refusal by patient or family member/trusted person). * Patients under guardianship