CLOSED SUCTIONING
Disconnecting the ETT or TT from the mechanical ventilator is not required, allowing for a continued tidal volume delivery and minimize lung volume loss. Closed suctioning is recommended in patients with acute lung injury or acute respiratory distress syndrome because they can have alveolar derecruitment that can be seen during suctioning the patients.
Suctioning is important in maintaining patency and managing tracheal secretions. Tracheal suctioning can be distressing for the patients and can cause hemodynamic changes such as hypoxemia, arrhythmias, atelectasis, tracheal mucosal injury, bleeding, and infection.