Nasal Humidified High Flow Oxygen During Weaning From Mechanical Ventilation : Ultrasonography Study

This is a prospective, randomized clinical multicentric study in ICU (Intensive Care University)during weaning from mechanical ventilation.

Prospective randomized clinical multicentric study on ICU (Intensive Care University) comparing nasal humidified high flow therapy versus standard oxygen with Lung Ultrasound Score during weaning from mechanical ventilation

Inclusion Criteria:

• Adult patients ventilated more than 48 h
• Stable respiratory and hemodynamic conditions for SBT
• Consent of patients
• Arterial line

Exclusion Criteria:

• COBP
• Laryngeal dyspnea
• Tracheostomy
• Arythmya
• No echogenicity
• Paraplegia >T8