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Patients May Be Harmed By Excessive ICU Noise

New research shows that overnight in the medical ICU () often exceed recommended levels, which could potentially lead to worse .

Researchers from reviewed 70 MICU patient charts and recorded in-room activities between midnight and 4:00 AM. Based on this chart review and via direct observation, they also identified the key elements of nocturnal patient disruption.

Results showed significant in-room activity (ie, vital sign recording) and sound level maximums that exceeded 83 dB(C) every hour between midnight and 4:00 AM in every room monitored, which exceeds the recommended by WHO.

Researchers conclude that sleep disruption in the MICU is prevalent and may be linked to delirium and immune dysfunction, as well as potentially worse outcomes due to patient sleep deprivation.

Source

This study was presented during CHEST 2012, the annual meeting of the , held October 20 – 25, in Atlanta, Georgia.
American College of Chest Physicians