Clinical Research Directory

Inclusion Criteria: * Patient ≥ 18 years; * Patient with chronic respiratory insufficiency has just been posed non-invasive ventilation (NIV) in the hospital, according to the latest international recommendations ; * Affiliation to the social security scheme; * Patient has signed the informed consent form to participate to the study. Exclusion Criteria: * Patient refusal; * Patient under guardianship; * Patient under AME scheme; * Patients living more than 40 km from reference center; * Patient depending on mechanical ventilation (more than 6 hours daily); * Rapidly or reversible evolutive neuro-myopathy (Amyotrophic lateral sclerosis, Guillain Barré syndrome, myasthenia).