POTENTIALLY HARMFUL SACRED COW?

ormal saline has been widely used in acute care settings during endotra-cheal and tracheostomy suctioning. Clinicians have held fast to this long-standing tradition because many were taught that normal saline breaks up secretions and aids in their removal (especially tenacious secretions). In this clinical review, we summarize current evidence related to the following questions: Does instilling normal saline during suctioning increase sputum yield? Alternatively, is this practice associated with adverse physiological and psychological effects? Methods The strategy included searching MEDLINE