[Closed endotracheal suction system for the prevention of hypoxemia]

This paper shows a revision of the studies about indications efficacy and dangerous effects from the use of the closed tracheal system suctioning. In spite of the difficulties in the generalization of the results of the analysed works it was possible to conclude that the "trach-care" has its comproved efficiency in the maintenance of PaO2 in most intubated and ventilated patients.