Comparison of Comfortability and Effectiveness of Total Face Mask and Oronasal Mask in Non-invasive Positive Pressure Ventilation in Patients with Acute Respiratory Failure

Study objectives: efficiency and ease of use of two types of face masks or respirators mouth or nose in non-invasive ventilation in patients with acute respiratory failure scholar at Christ's Hospital Study Design: The study is double-blind clinical trial. How the study: First, patients randomly into two groups based on the use of masks or masks for the face, mouth or nose fall. Typically non-invasive ventilation, continuously for 24 hours will apply. In both groups, if the patient received the first mask, not tolerate, before disconnecting non-invasive ventilation mask will be the second try. Conditions of entry and exit from the study: Inclusion criteria included the following: patients with acute respiratory failure; Tachypnea (respiratory rate more than 24); The use of sub-breathing muscles; Paradoxical breathing; Respiratory acidosis Exclusion criteria include: alteration of consciousness; Respiratory hypersecretion; Unstable coronary disease; Arrhythmia leading to unstable blood pressure; Arterial oxygen saturation less than 90% or greater than 40 mm Hg drop from Fsharqbly; Large skin lesion; Trauma to the face; Upper airway obstruction; Recent surgery on the upper airway, stomach and esophagus; A situation that requires immediate intubation. The main outcome variables: the convenience of using a mask with a score of 0 to 10. Secondary outcome variables: venous blood gas profile

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