Noise in the intensive care unit: a summary review

Abstract

Within the intensive care unit, the presence of bright lights and mechanical devices can produce many sounds which can be distressing to patients. Additionally, staff and visitors can add to the noise levels, which in turn may add to patients' stress. Awareness of this problem, and of its importance, makes it necessary to carry out preventive measures in order to avoid the onset of complications of auditory overload, such as delirium. This paper provides an overview of the literature in this area and suggests strategies to help minimise noise levels within the intensive care environment.