A pilot study to monitor light exposure and sleep wake cycles in post-operative cardiac patients and its implications for hospital stay and depression.

Not Applicable

Completed

• Conditions: ight exposure in the hospital environment; Light exposure in the hospital environment; Other - Conditions of unknown or disputed aetiology (such as chronic fatigue syndrome/myalgic encephalomyelitis)

• Registration Number: ACTRN12609000180213
• Lead Sponsor: niversity of Auckland

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2009-04-17
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 20

Inclusion Criteria

Patients must be scheduled for cardiac surgery

Exclusion Criteria

Any condition which may put the patient at risk by participating or any condition which may cause confounding of results

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
ight exposure in hospital environment measured using two methods of measurement, actigraphy is a validated method of light and activity measurement. Daysimetry results will then be correlated with the actigraphy results.[Light exposure and activity levels measured throughout their hospital stay, starting immediately post-surgery]

Secondary Outcome Measures

Name	Time	Method
Mood disruption measured using a questionnaire[Mood is measured using a questionnaire administered pre-surgery and on the last day of hospitalisation. Questionnaires used: Hamilton Depression Scale, Beck Depression Questionnaire, Hospital Anxiety and Depression Scale, Profile of Mood States.]