Weaning Children From Mechanical Ventilation:Computer-driven System Versus Usual Care

Inclusion Criteria: * The attending physician thinks that the patient will be able to breathe spontaneously or the patients is already breathing spontaneously. * No vasopressor or inotropic medication, unless the patient is receiving some digitalin or small doses of dopamine (\< 5 µg/kg/min) * Slight or no endotracheal tube gas-leakage (\[Vti - Vte\]/Vti ≤ 20%) * Mechanical ventilation with a plateau pressure ≤ 25 cmH2O over PEEP * PEEP ≤ 8 cmH2O * FiO2 ≤ 60% in order to obtain pulse oxymetry ≥ 95% * PaCO2 \< 70 mmHg on the last blood gases * Extubation not expected the day of inclusion Exclusion Criteria: * N/A