Earplugs Are Effective in Reducing Risk of Delirium
The review analysed data from 9 studies published between 2009 and 2015, which included a total of 1,455 participants. The studies included those that used earplugs alone as the intervention as well as studies that looked at earplugs as part of a bundle with eye shades or with other sleep noise reduction strategies. The reviewers note that the risk of bias was high for all studies.
See Also: Sleep in the ICU: Cochrane Review of Non-Drug Interventions
5 of the studies (832 participants) reported incident delirium. A relative risk of delirium of 0.59 (95% CI, 0.44-0.78) was associated with earplug use.
The reviewers conclude that earplug use either on its own or as part of a sleep bundle, is associated with reduced risk of delirium. They note that uncertainty remains on the potential effect of interventions used along with earplugs. As delirium is multifactorial the best strategy for improving sleep and ultimate effect on outcomes is still unresolved.
Image credit: Wikimedia Commons
Published on : Mon, 25 Jan 2016
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