Understanding Health Professionals about Preservation of Silence in the Intensive Care Unit During the Post-Heart Surgery Surgery: a Systematic Review

Introduction: Through studies in the scientific literature about the measurement of sounds in the Intensive Care Unit environment, it is clear that the noise, continuous sound of equipment and those caused by the health team itself is excessive and above 85dB (decibels), favors increased sensitivity of patients to pain, irritation, post-traumatic stress and may cause psychomotor agitation, delirium, changes in heart rate and sleep. A peaceful environment can bring countless benefits to restoring the health of patients, as well as reducing the stress of professionals. Objective: To analyze some research and studies published in Brazil about the noise in an Intensive Care Unit and the perception that professionals have about this topic. Methods: A systematic literature review was performed with electronic search of articles indexed in PePSIC and SciELO databases, published from 2009 to 2019, in which the inclusion and exclusion criteria were considered. Results: indicate that the noise in this type of place often presents with an oscillating intensity of moderate to intense. It is verified that there is from the professionals a certain level of understanding of the existence of noise in the ICU. Considerations: Despite the finding by professionals about noise, it is also observed that there are few current publications about the awareness of health professionals regarding the importance of preserving a quieter environment and criteria that reinforce effective humanization interventions during the study. postoperative period of cardiac surgery in this type of environment.