Prospective Trial of the Bilevel Positive Airway Pressure (by Boussignac) in Emergency Department of Non-invasive Patients Presenting With Acute Hypercapnic Respiratory Failure

Prospective Trial of the Bilevel Positive Airway Pressure (by Boussignac) in Emergency Department of Non-invasive Patients Presenting With Acute Hypercapnic Respiratory Failure

The purpose of this study is to determine whether the new Boussignac-system of non-invasive ventilation is as good as the conventional non-invasive System in patients presenting with acute hypercapnic respiratory failure.

Inclusion Criteria:

• 7,25 ≤ pH ≤ 7,35
• PaCO2 ≥ 45 mmHg

Exclusion Criteria:

• pH < 7,24
• incapable of collaboration