The authors assessed the acute effects of exposure to noise on systolic and diastolic blood pressure, and heart rate, among 46 workers in a midwestern auto assembly plant. Workers wore ambulatory blood pressure monitors and personal noise dosimeters during one work shift. After adjustment for covariates of cardiovascular function, systolic and diastolic blood pressure, along with heart rate, were shown to be significantly positively associated with noise exposure. Although the long-term effect of these associations is not known, results from other studies suggest that they may be harmful. Replication of this study with a larger number of subjects, monitored for several days and in a variety of work settings, is recommended to verify these findings. The results of this and other studies imply that reducing acute noise exposure reduces cardiovascular stress.

Sally L. Lusk

Brenda Gillespie

Bonnie M. Hagerty

Acute Effects of Noise on Blood Pressure and Heart Rate

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