Delirium at the Intensive Care Unit - a Retrospective Cohort Study

Status Completed

Clinical Trial Summary

This project seeks to describe the incidence of delirium in the Intensive Care Unit (ICU) and to identify risk and preventive factors associated with development of delirium.

Especially, the investigators want to investigate if an imitated natural light/dark cycle influences frequency of delirium.

Clinical Trial Description

A common problem for patients in the ICU is episodes of delirium. Recent trials have described incidences ranging from 60-87% of patients in a number of different countries. Delirium is a condition with fluctuating conscience, disorganized thinking and disturbance of the sleep/wake cycle. Many patients with delirium experience hallucinations and agitation which can be very unpleasant for both patients and their families.

Some risk factors for the development of delirium well known, e.g. dementia, hypertension, illness severity (SAPS II score), delirium on the previous day, mechanical ventilation, emergency surgery and metabolic acidosis. The effect of sedative drug administration is not clear, as studies has been inconclusive.

Even though studies regarding the impact of sleep deprivation on development of delirium have been inconclusive, there is no doubt that delirious patients have a disturbed sleep-wake cycle, sleep architecture and circadian rhythm.

At the intensive care unit at the Department of Anesthesiology at Køge Hospital, three out of nine rooms have a simulated circadian light installed. The idea is that this light rhythm may help to keep a natural circadian rhythm, minimizing the risk of delirium.

With this descriptive and retrospective cohort study, the investigators therefore want to describe the incidence and possible risk- and preventive factors of delirium for the participants (ICU patients at Køge Hospital), and with a special focus on the possible effect of imitated circadian light.. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02603731
Study type	Observational
Source	Zealand University Hospital
Contact
Status	Completed
Phase
Start date	August 2015
Completion date	February 2016

View Details

See also
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