Healing Patient Rooms
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About
Rationale:
Many study reports described benefits of natural sunlight. It is believed that artificial light can achieve similar benefits as sunlight and can be used to compensate for the lack of sunlight, for instance in north-facing hospital rooms or during wintertime.
The most plausible paths mediating the effects of light are:
- the biological effect of light, relating to circadian biology and the sleep/wake-rhythm;
- the emotional/psychological effects of light, relating to mood/stress and the antidepressant action of light .
Objective:
The project aims to measure, evaluate and quantify the beneficial effects of a dynamic daylight & atmosphere experience in patient rooms for cardiovascular patients during the dark months of the year.
Study design:
The study involves an experiment in which psychological, emotional and clinical parameters of patients in hospital rooms with standard light situation are compared with those of patients in rooms with a dynamic daylight & atmosphere experience.
Study population:
The population includes cardiovascular patients who reside in the general cardiology department of the Maastricht University Hospital (18 patient beds) with an intended minimum length of stay of 3 days, who have given written consent.
Intervention:
Half of the patient rooms on the ward are equipped with special luminaires. In the ceiling, luminaires are installed that offer the basic lighting in the patient room that will automatically and gradually change in light level (100-300 lux) and color temperature (3000-4000 K). This so called daily rhythm light meets the EN12464-1 standard for patient rooms in hospitals. The same luminaires in the ceiling will also offer the light boost by bringing the illuminance to a level of maximal 2000 lux and 7000 K, during a period of two hours in the morning. Besides the ceiling luminaires, a low intensity color cove as well as some white LED spots are added to create a pleasant ambience in the patient room
Main study parameters/endpoints:
The primary study measures are length of stay and quality of recovery expressed by physiological, emotional and clinical parameters. Also the effect on patient satisfaction is determined using pre and post assessments.
Full description
Nature and extent of the burden and risks associated with participation, benefit and group relatedness:
Regular measurements for patient care will be mainly used as outcome measures. Some of the psychological parameters are measured in regular care (e.g. pain score). Other psychological parameters will be measured with an additional questionnaire (depression, appetite, delirium, sleep quality and sleepiness). A trained research nurse will visit all participating patients in their rooms to assist with completing the questionnaires. This way of data collection will pose a minimal burden on the patients (maximum 30 minutes on daily basis). The risks of the intervention are negligible, because the light level will not exceed outside luminance on a cloudy day and meets all CIE safety standards (ref. CIE S009).
Enrollment
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Inclusion criteria
- patients admitted to study room
Exclusion criteria
- Age under 18 years
- Blindness
- Unability to obtain informed consent
- Dementia
Trial design
Primary purpose
Allocation
Interventional model
Masking
196 participants in 2 patient groups
Trial contacts and locations
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Data sourced from clinicaltrials.gov
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