Study Comparing Two Ventilation Modes NAVA (Neurally Adjusted Ventilatory Assist) Mode and Spontaneous Breathing With Inspiratory Pressure Support (IPS) Mode in Consecutive Patients Hospitalized for Acute Respiratory Failure Requiring Mechanical Ventilation With Endotracheal Tube.

Hopital de la Cote de Nacre - CHU de CAEN, Caen

Hopital PELLEGRIN, Bordeaux

Groupe Hospitalier Sud - Hôpital Haut-Leveque - Maison du Haut-Leveque, Pessac

Hopital Saint-Eloi - CHU MONTPELLIER, Montpellier

Hopital Larrey- CHU D'ANGERS, Angers

Hopital d'Estaing, Clermont-Ferrand

Hopital de la CROIX ROUSSE, Lyon

Centre Hospitalier Lyon Sud, Lyon

Hôpital de la Pitié Salpetrière, Paris

Hôpital Dupuytren, Limoges

Hopital L'Archet 1, Nice