Abstract
Objective: To compare the applicability and effect of non-invasive ventilation (NIV) between acute ventilatory failure and oxygenation failure, and to describe variables that may be related with successful outcome of NIV in each type of respiratory failure. Design: Prospective clinical study in two distinct types of respiratory failure. Setting: Medical intensive care unit of a university-affiliated hospital. Patients: Twenty-six episodes of respiratory failure managed using NIV from a total of 106 episodes in 102 patients. Respiratory failure was defined as acute ventilatory failure (VF: PaCO2 ≥43 mmHg [5.7 kPa] with pH <7.35, n=19) or acute oxygenation failure (OF: PaO2/FiO2 <300 mmHg [40 kPa] with pH ≥7.35, n=87) necessitating mechanical ventilation. Interventions: The subjects were managed by NIV via face mask if they fulfilled the minimal requirement for NIV application. Respiratory pattern, arterial blood gases, complications and success rate of NIV were analysed in each group. Results: Eleven...
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