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Knowledge Repository

A complete, user-friendly database of healthcare design research references MoreLess about the Knowledge Repository

The Knowledge Repository is a complete, user-friendly database of healthcare design research references that continues to grow with the latest peer-reviewed publications. Start with our Knowledge Repository for all of your searches for articles and research citations on healthcare design topics. Access full texts through the source link, read key point summaries, or watch slidecasts. Expand your search and find project briefs, interviews, and other relevant resources by visiting our Insights & Solutions page.

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Displaying 1 - 20 of 31

The Role of the Physical Environment in the Hospital of the 21st Century: A Once-in-a-Lifetime Opportunity

Author(s): Ulrich, R. S., Zimring, C., Quan, X., Joseph, A., Choudhary, R.
Added December 2022

Operating room nurses’ experiences of limited access to daylight in the workplace – a qualitative interview study

Author(s): Golvani, J., Roos, L., Henricson, M.
Artificial light can result in headaches, fatigue, and decreased eyesight. Lack of natural daylight can cause vitamin D deficiency, sleep difficulty, and mood and memory changes, including depression. Surgical nurses spend long hours in windowless environments, under artificial lights, with few opportunities to go outside during work.
Key Point Summary
Added November 2021

An experiment of double dynamic lighting in an office responding to sky and daylight: Perceived effects on comfort, atmosphere and work engagement

Author(s): Hansen, E. K., Bjørner, T., Xylakis, E., Pajuste, M.
Previous research has found that indoor lighting can directly impact staff satisfaction and engagement within the workplace. New technologies allow for “double dynamic” lighting installations that can integrate with natural daylight; however, most studies have examined the effects of other dynamic installations through the use of preset lighting settings.
Key Point Summary
Added March 2021

Bright Light Delights: Effects of Daily Light Exposure on Emotions, Restactivity Cycles, Sleep and Melatonin Secretion in Severely Demented Patients

Author(s): Münch, M., Schmieder, M., Bieler, K., Goldbach, R., Fuhrmann, T., Zumstein, N., Vonmoos, P., Scartezzini, J.-L., Wirz-Justice, A., Cajochen, C.
Exposure to sufficient light on a daily basis is important for individuals to maintain their health. Studies have shown that light has an effect on heart rate, body temperature, human behavior, mood, body hormones, genes, and cognitive ability.
Key Point Summary
Added November 2017

Blue-Enriched Lighting for Older People Living in Care Homes: Effect on Activity, Actigraphic Sleep, Mood and Alertness

Author(s): Hopkins, S., Morgan, P. L., Schlangen, L. J. M., Williams, P., Skene, D. J., Middleton, B.
Residents of long-term care homes suffer from natural light deprivation and other age-related physical conditions. This includes changes in sleep patterns and a decrease in sleep efficiency. Lack of light exposure negatively affects circadian systems and consequently affects sleep.
Key Point Summary
Added November 2017

The ability of environmental healthcare design strategies to impact event related anxiety in pediatric patients: A comprehensive systematic review

Author(s): Norton-Westwood, D.
Healthcare settings such as hospitals or dentists’ offices have been known to contribute to the anxiety often experienced by patients receiving treatment. Anxiety has been linked to various health concerns, manifesting both physiologically and psychologically, that can result in prolonged hospital stays and other complications.
Key Point Summary
Added June 2016

Impact of the Physical Environment of Residential Health, Care, and Support Facilities (RHCSF) on Staff and Residents A Systematic Review of the Literature

Author(s): Joseph, A., Choi, Y.-S., Quan, X.
Strategies related to the design of the built environment should be considered within the context of the culture of the organization and the resident population. This study of the physical environment of residential health, care, and support facilities addresses the range of settings and population, where other studies have been lacking. The literature review strongly suggests that the built environment is an important component of care provided in residential care settings.
Key Point Summary
Added May 2016

Lighting and Nurses at Medical–Surgical Units: Impact of Lighting Conditions on Nurses’ Performance and Satisfaction

Author(s): Hadi, K., DuBose, J. R., Ryherd, E.
Added April 2016

Sleep in Hospitalized Elders: A Pilot Study

Author(s): Missildine, K., Bergstrom, N., Meininger, J., Richards, K. & Foreman, M. D.
Sleep complaints are common among elders at home and in the hospital. These complaints include insomnia, difficulty falling sleep, and difficulty maintaining sleep, yet adequate sleep is commonly considered a necessary prerequisite to healing and recovery from illness.
Key Point Summary
Added January 2016

Delusions and Underlying Needs in Older Adults with Alzheimer’s Disease

Author(s): Wang, J., Cheng, W., Lai, P., & Pai, M.
The purpose of this study was to understand the influences of earlier life experiences and the current environment on delusions, as well as the underlying needs of individuals with Alzheimer’s disease (AD) experiencing delusions.
Key Point Summary
Added January 2016

Designing a “Think-Along Dwelling” for People with Dementia: A Co-Creation Project Between Health Care and the Building Services Sector

Author(s): Van Hoof, J., Blom, M. M., Post, H. N. A., & Bastein, W. L
Many of the elderly prefer to age-in-place. However, if one of the elderly developments dementia, particular challenges may be posed when designing, constructing, or retrofitting an existing home environment. In the Netherlands about two-thirds of the people with dementia live at home. This is the setting for this study.
Key Point Summary
Added January 2016

Light for Nurses’ Work in the 21st Century: A Review of Lighting, Human Vision Limitations, and Medication Administration

Author(s): Graves, K., Symes, L., & Cesario, S. K.
While there has been previous documentation about the impact of the built environment on staff efficiency, little has been documented about the role of architectural lighting on staff’s ability to perform work tasks. The authors cite specific examples of how medications are often distributed on night shifts, sometimes when nurses use pen lights so as not to disturb patients.
Key Point Summary
Added January 2016

Impact of healthcare design on patients’ perception of a rheumatology outpatient infusion room: an interventional pilot study

Author(s): Bukh, G., Tommerup, A. M. M., Madsen, O. R.
Evidence-based healthcare design is a concept aimed at reducing stress factors in the physical environment for the benefit of patients and the medical staff. The objective of this study was to examine the impact of room modifications on patients’ perception of an outpatient infusion room used for treating rheumatologic diseases. Patient and nurse interviews, a staff workshop and field...
Key Point Summary
Added December 2015

A plasma display window? – the shifting baseline problem in a technologically mediated natural world

Author(s): Kahn, P. H. Jr., Friedman, B., Brian Gill, Hagman, J., Severson, R. L., Freier, N. G., Feldman, E. N., Carrere, S., Stolyar, A.
The general purpose of this study is to test the physical and psychological effects of experiencing nature through a technology medium. Past research has shown that contact with nature can lead to “enjoyment, satisfaction, and increased levels of satisfaction with one’s home, one’s job, and with life in general” (Kaplan & Kaplan, 1989, p. 173). So in an fast-changing world of technology-mediated healthcare, the question posed in this study revolves around whether simulated nature scenes can elicit the same health benefits that real nature has shown to produce.
Key Point Summary
Added November 2014

Sustained reduction in serious fall-related injuries in older people in hospital.

Author(s): Fonda, D., Cook, J., Sandler, V., Bailey, M.
Falls are the leading cause of injury in Australian hospitals, with 38 percent of all hospital incidents related to falls. In hospital settings, single interventions have not been proven successful in preventing or reducing falls, whereas multisystem or multi-strategy approaches have shown to be more effective.
Key Point Summary
Added November 2014

Effect of light treatment on sleep and circadian rhythms in demented nursing home patients

Author(s): Ancoli-Israel, S., Martin, J. L., Kripke, D. F., Marler, M., Klauber, M. R.
The disturbed sleep seen in nursing home residents may be due to changes in circadian rhythms. Human circadian rhythms are biological cycles of about 24 hours that include sleep/wake, body temperature, and melatonin secretion cycles. A second reason for sleep disturbances in this population may be decreased exposure to bright light. Bright light (≥ 2,000 lux) appears to be one of the most powerful synchronizers of circadian rhythms, directly influencing melatonin secretion, sleep/wake patterns, and other circadian rhythms.
Key Point Summary
Added April 2014

Increased Light Exposure Consolidates Sleep and Strengthens Circadian Rhythms in Severe Alzheimer's Disease Patients Increased Light Exposure Consolidates Sleep and Strengthens Circadian Rhythms in Severe Alzheimer's Disease Patients

Author(s): Ancoli-Israel, S., Gehrman, P., Martin, J. L., Shochat, T., Marler, M., Corey-Bloom, J., Levi, L.
Studies with examined levels of illumination in adults have shown that the average level and the average amount of bright light exposure is lower in the elderly compared to younger adults, particularly in patients who are institutionalized with dementia. Although insufficient light exposure has been implied as a cause of sleep fragmentation, until recently there had been little direct evidence for this correlation. A recent study suggested that daytime light exposure impacts both nighttime sleep consolidation and timing of peak activity level (Shochat et al., 2000). In an attempt to improve sleep in nursing home patients, the current laboratory study exposed patients with mixed types of dementia to 2,500 lux for two hours a day for 10 days either in the morning or in the evening and tested the impact of the bright lighting on sleep and circadian rhythms.
Key Point Summary
Added April 2014

A novel night lighting system for postural control and stability in seniors

Author(s): Figueiro, M. G., Gras, L., Qi, R., Rizzo, P., Rea, M., Rea, M. S.
Age-related changes may result in impaired balance control, and thus can lead to increase risk of falls among the elderly. Visual information provides a spatial reference for self-position and location of obstacles within a person’s environment. Lack of this information results in increased body sway. In addition, low ambient light levels reduce postural control. Therefore, this study investigated the effectiveness of a novel self-luminous light emitting diode (LED) night-lighting system that provided linear spatial orientation cues plus low ambient lighting for enhancing postural control in healthy seniors.
Key Point Summary
Added April 2014

Quality Improvement Practices: Enhancing Quality of Life During Mealtimes

Author(s): Evans, B. C., Crogan, N. L.
Studies identified that malnutrition affects up to 54% of the 1.5 million Americans over age 65 who reside in the nation’s 20,000 nursing homes and can lead to death or chronic disability. Physical causes of malnutrition include altered sensation, medication effects, and impaired feeding ability. Psychological causes include cognitive impairment, depression, and social isolation. Mealtime is also a very important time of day for residents of nursing homes since it is a time for socialization, remembering family and past events, and enjoying the sensory experience of eating. The mealtime experience can enhance the quality of life for residents in nursing homes.
Key Point Summary
Added April 2014

Nurses’ Perception of Single-Occupancy Versus Multioccupancy Rooms in Acute Care Environments: An Exploratory Comparative Assessment

Author(s): Chaudhury, H., Mahmood, A., Valente, M.
As people are living longer and the baby boomers age, the demand for hospital beds will increase. As new facilities are built to handle this influx of patients, the challenge for hospital designers and administrators is to design patient rooms that promote therapeutic goals, foster positive patient outcomes, and function as intensive care rooms. Recent research suggests that single-occupancy rooms are more suitable for infection control and patient care than multioccupancy rooms. However, no research has been done about nursing staff members’ perception of single-occupancy and multioccupancy patient rooms in acute care settings as it relates to patient care.
Key Point Summary
Added April 2014