Noise and its impact on brazilian hospitals: a literature review

The increase in noise levels at hospitals could be attributed to many factors as incorporation of new technologies, concentration and flow of people and non-compliance of silence by the workers and patients. Noise provokes negatively impact the work process and people’s health. This study aimed a review the national literature on noise in hospital services in Brazil, by the analysis of the follow aspects: scientific research, measuring methods, noise levels in hospitals, and the findings and proposed strategies in studies. The noise level in Brazilian hospitals is above the recommended levels. There is an increasing knowledgement of this subject in Brazil. In order to expand this knowledge, intervention studies were recommended to eliminate the excessive noise into the hospitals. The noise control in hospitals should be considered as a priority to improve their surroundings.