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Wilcox ME, Burry L, Englesakis M, Coman B, Daou M, van Haren FM, Ely EW, Bosma KJ, Knauert MP. Intensive care unit interventions to promote sleep and circadian biology in reducing incident delirium: a scoping review. Thorax 2024:thorax-2023-220036. [PMID: 38350730 DOI: 10.1136/thorax-2023-220036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 01/26/2024] [Indexed: 02/15/2024]
Abstract
RATIONALE/OBJECTIVES Despite plausible pathophysiological mechanisms, research is needed to confirm the relationship between sleep, circadian rhythm and delirium in patients admitted to the intensive care unit (ICU). The objective of this review is to summarise existing studies promoting, in whole or in part, the normalisation of sleep and circadian biology and their impact on the incidence, prevalence, duration and/or severity of delirium in ICU. METHODS A sensitive search of electronic databases and conference proceedings was completed in March 2023. Inclusion criteria were English-language studies of any design that evaluated in-ICU non-pharmacological, pharmacological or mixed intervention strategies for promoting sleep or circadian biology and their association with delirium, as assessed at least daily. Data were extracted and independently verified. RESULTS Of 7886 citations, we included 50 articles. Commonly evaluated interventions include care bundles (n=20), regulation or administration of light therapy (n=5), eye masks and/or earplugs (n=5), one nursing care-focused intervention and pharmacological intervention (eg, melatonin and ramelteon; n=19). The association between these interventions and incident delirium or severity of delirium was mixed. As multiple interventions were incorporated in included studies of care bundles and given that there was variable reporting of compliance with individual elements, identifying which components might have an impact on delirium is challenging. CONCLUSIONS This scoping review summarises the existing literature as it relates to ICU sleep and circadian disruption (SCD) and delirium in ICU. Further studies are needed to better understand the role of ICU SCD promotion interventions in delirium mitigation.
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Affiliation(s)
- M Elizabeth Wilcox
- Department of Critical Care Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Lisa Burry
- Department of Pharmacy, Sinai Health System, Toronto, Ontario, Canada
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada
| | - Marina Englesakis
- Library and Information Services, University Health Network, Toronto, Ontario, Canada
| | - Briar Coman
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Marietou Daou
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Frank Mp van Haren
- School of Medicine, Australian National University, Canberra, Australian Capital Territory, Australia
- University of New South Wales Medicine and Health, Sydney, New South Wales, Australia
- Intensive Care Unit, St George Hospital, Sydney, New South Wales, Australia
| | - E Wes Ely
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Critical Illness, Brain Dysfunction, and Survivorship (CIBS) Center, Vanderbilt University Medical Center, Nashville, TN, USA
- Geriatric Research, Education and Clinical Center (GRECC), Department of Veterans Affairs Medical Center, Tennessee Valley Health Care System, Nashville, TN, USA
| | - Karen J Bosma
- Department of Medicine, Schulich School of Medicine and Dentistry, London, Ontario, Canada
- Lawson Health Research Institute, London Health Sciences Centre, London, Ontario, Canada
- Department of Anesthesia and Perioperative Medicine, Schulich School of Medicine and Dentistry, London, Ontario, Canada
| | - Melissa P Knauert
- Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
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Xu Y, Ma Q, Du H, Yang C, Lin G. Postoperative Delirium in Neurosurgical Patients: Recent Insights into the Pathogenesis. Brain Sci 2022; 12:brainsci12101371. [PMID: 36291305 PMCID: PMC9599232 DOI: 10.3390/brainsci12101371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/04/2022] [Accepted: 10/07/2022] [Indexed: 11/16/2022] Open
Abstract
Postoperative delirium (POD) is a complication characterized by disturbances in attention, awareness, and cognitive function that occur shortly after surgery or emergence from anesthesia. Since it occurs prevalently in neurosurgical patients and poses great threats to the well-being of patients, much emphasis is placed on POD in neurosurgical units. However, there are intricate theories about its pathogenesis and limited pharmacological interventions for POD. In this study, we review the recent insights into its pathogenesis, mainly based on studies within five years, and the five dominant pathological theories that account for the development of POD, with the intention of furthering our understanding and boosting its clinical management.
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Affiliation(s)
- Yinuo Xu
- Department of Neurosurgery, Peking University Third Hospital, Beijing 100191, China
- School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Qianquan Ma
- Department of Neurosurgery, Peking University Third Hospital, Beijing 100191, China
- Center for Precision Neurosurgery and Oncology, Peking University Health Science Center, Beijing 100191, China
| | - Haiming Du
- Department of Anesthesiology, Peking University Third Hospital, Beijing 100191, China
| | - Chenlong Yang
- Department of Neurosurgery, Peking University Third Hospital, Beijing 100191, China
- Center for Precision Neurosurgery and Oncology, Peking University Health Science Center, Beijing 100191, China
- North America Medical Education Foundation, Union City, CA 94587, USA
- Correspondence: (C.Y.); (G.L.); Tel.: +86-135-1108-7060 (C.Y.); +86-135-5240-0103 (G.L.)
| | - Guozhong Lin
- Department of Neurosurgery, Peking University Third Hospital, Beijing 100191, China
- Center for Precision Neurosurgery and Oncology, Peking University Health Science Center, Beijing 100191, China
- Correspondence: (C.Y.); (G.L.); Tel.: +86-135-1108-7060 (C.Y.); +86-135-5240-0103 (G.L.)
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3
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Positive effect of colors and art in patient rooms on patient recovery after total hip or knee arthroplasty : A randomized controlled trial. Wien Klin Wochenschr 2021; 134:221-226. [PMID: 34491443 PMCID: PMC8921019 DOI: 10.1007/s00508-021-01936-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 07/30/2021] [Indexed: 12/04/2022]
Abstract
Background Environmental stimuli and well-being are considered to be significant factors in patients’ rehabilitation. The aim of this study was to describe the effect of colors and art in hospital rooms on patients’ recovery after total hip or knee arthroplasty. Methods We performed a prospective randomized, controlled study including 80 patients. The intervention group was randomized to colored patient rooms while the control group received medical care in conventional patient rooms. Data were collected preoperatively and postoperatively (3 and 6 days after operation). We measured mood, anxiety and depression, quality of life (QOL) and pain. Results Significantly better QOL summary scores were measured in the intervention group (6 days postoperative) compared to the control group (physical component summary score 37.1 ± 5.0 vs. 34.1 ± 6.7; p = 0.029 and mental component summary score 51.6 ± 6.6 vs. 47.2 ± 8.4; p = 0.015). Postoperatively, we found decreased total mood scores in both groups showing better results for the intervention group without significant differences (p = 0.353; p = 0.711). Conclusion The use of colors in hospital rooms is an effective intervention to improve well-being and to enhance faster rehabilitation. We could demonstrate a positive effect of colors on patients’ postoperative QOL.
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Cai J, Chen Y, Hao X, Zhu X, Tang Y, Wang S, Zhu T. Effect of Intraoperative Dexmedetomidine Dose on Postoperative First Night Sleep Quality in Elderly Surgery Patients: A Retrospective Study With Propensity Score-Matched Analysis. Front Med (Lausanne) 2020; 7:528. [PMID: 33117823 PMCID: PMC7574233 DOI: 10.3389/fmed.2020.00528] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 07/27/2020] [Indexed: 02/05/2023] Open
Abstract
Background: Postoperative sleep disorder is common in elderly surgery patients, and it often worsens their recovery after surgery. This study aimed to explore the effect of intraoperative dexmedetomidine dose on postoperative sleep quality. Methods: Based on information regarding dexmedetomidine use during surgery from an electronic medical record system, 4,349 elderly surgery patients were divided into three groups: 1,374 without intraoperative use of dexmedetomidine (Non-DEX), 917 with dexmedetomidine 0.1–0.2 μg/kg/h (Low-DEX), and 2,058 with dexmedetomidine >0.2 μg/kg/h (High-DEX). The numerical rating scale (NRS) for sleep disturbance during the first night after surgery was recorded, and the incidence of NRS ≥ 6 was considered the primary outcome. Results: NRS (P < 0.001) and incidence of severe sleep disturbance (P < 0.001) were lower in patients receiving intraoperative dexmedetomidine than in those without the intraoperative use of dexmedetomidine. Patients in the Low-DEX group had the lowest incidence, followed by those in the High-DEX and Non-DEX groups (6.7% vs. 13.7% vs. 19.5%). After propensity score matching, 906 pairs of elderly surgery patients were included in the Low-DEX and High-DEX groups, and the Low-DEX group had lower NRS (2.7 ± 2.1 vs. 3.1 ± 2.4, P < 0.001) than the High-DEX group. The incidence of severe sleep disturbance was lower in the Low-DEX group than in the High-DEX group (6.6% vs. 12.8%) with an odds rate of 0.48 (95% confidence interval, 0.35 to 0.67). Conclusions: For elderly patients, intraoperative dexmedetomidine use can significantly improve the quality of the first night sleep after surgery. Low-dose (0.1–0.2 μg/kg/h) dexmedetomidine can have an improvement effect on sleep quality, and it is recommended to improve the quality of postoperative sleep.
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Affiliation(s)
- Jingjing Cai
- Department of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University & The Research Unit of West China (2018RU012), Chinese Academy of Medical Science, Chengdu, China
| | - Yuanjing Chen
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Xuechao Hao
- Department of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University & The Research Unit of West China (2018RU012), Chinese Academy of Medical Science, Chengdu, China
| | - Xiwen Zhu
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Yaxing Tang
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Sheng Wang
- Department of Anesthesiology, Guangdong Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Tao Zhu
- Department of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University & The Research Unit of West China (2018RU012), Chinese Academy of Medical Science, Chengdu, China
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Hadi K, Du Bose JR, Choi YS. The Effect of Light on Sleep and Sleep-Related Physiological Factors Among Patients in Healthcare Facilities: A Systematic Review. HERD-HEALTH ENVIRONMENTS RESEARCH & DESIGN JOURNAL 2019; 12:116-141. [PMID: 30784337 DOI: 10.1177/1937586719827946] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Lighting is one of the environmental factors which can improve patient sleep in healthcare environments. Due to the high degree of variation in study designs and results on this topic, the implications have been difficult to interpret. This review consolidates studies on the impact of bright light exposure on sleep to identify lighting conditions that can be applied and researched in future healthcare environments. METHODS We searched for peer-reviewed articles on the impact of light on sleep or sleep-related outcomes in healthcare settings. We provided detailed analysis of the direct links between light and sleep, and a more cursory analysis of links between light and sleep-related factors, from 34 articles which met our inclusion criteria. RESULTS The current state of the literature includes evidence on how various durations and intensities of morning, midday, and evening bright light exposure, as well as whole-day light exposure interventions can improve specific aspects of sleep. Lighting interventions differed in all attributes (illuminance levels, exposure time, exposure duration, and spectral qualities) but showed promising results in improving patients' sleep. CONCLUSIONS Short-term bright light exposure in the morning, up to 2 hr of moderate (3,000-10,000 lux) morning exposures, up to 4 hr of moderate evening exposure, and whole-day exposures to lower illuminance levels (<3,000 lux) can improve patient sleep outcomes. Based on new findings on the mechanism through which light impacts sleep, future studies should be more specific about the spectral qualities of light sources.
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Affiliation(s)
- Khatereh Hadi
- College of Design, School of Architecture, Georgia Institute of Technology, Atlanta, GA, USA.,HDR Architecture, Omaha, NE, USA
| | - Jennifer R Du Bose
- College of Design, School of Architecture, Georgia Institute of Technology, Atlanta, GA, USA
| | - Young-Seon Choi
- Department of Architecture, Kyungil University, Gyeongsan, South Korea
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Park MY, Chai CG, Lee HK, Moon H, Noh JS. The Effects of Natural Daylight on Length of Hospital Stay. ENVIRONMENTAL HEALTH INSIGHTS 2018; 12:1178630218812817. [PMID: 30546262 PMCID: PMC6287302 DOI: 10.1177/1178630218812817] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 10/17/2018] [Indexed: 05/28/2023]
Abstract
BACKGROUND AND PURPOSE While providing medical services, hospitals generate many data about patients. Such medical data could contribute to better treatments once their associations or patterns have been identified. With properly analyzed medical data, traditional knowledge at an individual level could be further extended to broader populations. This comprehensive study was performed to demonstrate the effectiveness of light using medical data accumulated over 15 years. METHODS Patients who were admitted to the window or door side of a six-bedded room were included. Patients admitted to the emergency room and elderly people aged >80 years were excluded. Patients' length of stay was compared per what bed they were in (excluding middle beds). A multiple regression analysis was performed with patients admitted to the window or door side to determine whether the window affected their hospital stay. In addition, a multiple regression analysis was performed after adjusting for confounders by 1:1 matching between the two groups (ie, age, sex, and admitting department). RESULTS Participants were 38 788 patients with a bed near the window and 46 233 patients with a bed near the door. Results revealed that patients' length of stay was shorter for those near the window compared with those near the door, which was also true after group matching (33 921 participants in each group). CONCLUSIONS Clinical trials that test evidence-based designs of physical environments in wards or hospital rooms are usually difficult to perform. As an alternative strategy, using accumulated electronic medical data, we assessed this key element of hospital design.
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Affiliation(s)
- Man Young Park
- Future Medicine Division, Korea Institute of Oriental Medicine, Daejeon, Korea
| | - Choul-Gyun Chai
- Department of Architecture, College of Engineering, Kwangwoon University, Seoul, Korea
| | - Hae-Kyung Lee
- Architectural Environment Research Institute, Borie, Seoul, Korea
| | - Hani Moon
- Department of Architecture, College of Engineering, Kwangwoon University, Seoul, Korea
| | - Jai Sung Noh
- Department of Psychiatry, School of Medicine, Ajou University, Suwon, Korea
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7
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Maldonado JR. Delirium pathophysiology: An updated hypothesis of the etiology of acute brain failure. Int J Geriatr Psychiatry 2018; 33:1428-1457. [PMID: 29278283 DOI: 10.1002/gps.4823] [Citation(s) in RCA: 278] [Impact Index Per Article: 46.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 09/19/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND Delirium is the most common neuropsychiatric syndrome encountered by clinicians dealing with older adults and the medically ill and is best characterized by 5 core domains: cognitive deficits, attentional deficits, circadian rhythm dysregulation, emotional dysregulation, and alteration in psychomotor functioning. DESIGN An extensive literature review and consolidation of published data into a novel interpretation of known pathophysiological causes of delirium. RESULTS Available data suggest that numerous pathological factors may serve as precipitants for delirium, each having differential effects depending on patient-specific patient physiological characteristics (substrate). On the basis of an extensive literature search, a newly proposed theory, the systems integration failure hypothesis, was developed to bring together the most salient previously described theories, by describing the various contributions from each into a complex web of pathways-highlighting areas of intersection and commonalities and explaining how the variable contribution of these may lead to the development of various cognitive and behavioral dysfunctions characteristic of delirium. The specific cognitive and behavioral manifestations of the specific delirium picture result from a combination of neurotransmitter function and availability, variability in integration and processing of sensory information, motor responses to both external and internal cues, and the degree of breakdown in neuronal network connectivity, hence the term acute brain failure. CONCLUSIONS The systems integration failure hypothesis attempts to explain how the various proposed delirium pathophysiologic theories interact with each other, causing various clinically observed delirium phenotypes. A better understanding of the underlying pathophysiology of delirium may eventually assist in designing better prevention and management approaches.
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Naik RD, Gupta K, Soneja M, Elavarasi A, Sreenivas V, Sinha S. Sleep Quality and Quantity in Intensive Care Unit Patients: A Cross-sectional Study. Indian J Crit Care Med 2018; 22:408-414. [PMID: 29962740 PMCID: PMC6020640 DOI: 10.4103/ijccm.ijccm_65_18] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introduction: Lack of restorative sleep and altered sleep-wake cycle is a frequent problem among patients admitted to the Intensive Care Unit (ICU). This study was conducted to estimate the prevalence of poor sleep and patient's perspective of factors governing poor sleep in the ICU. Materials and Methods: A cross-sectional study was performed in medical ICU of a tertiary care hospital. A total of 32 patients admitted to the ICU for at least 24 h were recruited. A 72-h actigraphy was done followed by a subjective assessment of sleep quality by the Richards-Campbell Sleep Questionnaire (RCSQ). Patient's perspective of sleep quality and quantity and possible risk factors for poor sleep were recorded. Results: Poor sleep (defined as RCSQ <50, sensitivity 88% and specificity 87%) was found in 15 out of the 32 patients (47%). The prevalence of poor sleep was higher among patients on mechanical ventilation (n = 15) (66.7% vs. 33.3%, P < 0.05). Patients with poor sleep had higher age (median age [in years] 42.8 vs. 31.4, P = 0.008), acute physiology, and chronic health evaluation II score (mean 14 ± 5.15 vs. 9.3 ± 5.64, P = 0.02), SAPS 3 score (62.7 ± 8.9 vs. 45.6 ± 10.5, P ≤ 0.0001), and worse actigraphy parameters. Only 55.63% of total sleep time was in the night (2200–0600). All patients had discomfort from indwelling catheters and suctioning of endotracheal tubes. All patients suggested that there be a minimum interruption in the sleep for interventions or medications. Conclusion: There is a high prevalence of poor sleep among patients admitted to the ICU. There is a dire need to minimize untimely interventions and design nonpharmacological techniques to allow patients to sleep comfortably.
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Affiliation(s)
- Ramavath Devendra Naik
- Department of Medical Oncology, All India Institute of Medical Sciences, New Delhi, India.,Department of Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Kartik Gupta
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Manish Soneja
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Arunmozhimaran Elavarasi
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, India.,Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - V Sreenivas
- Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India
| | - Sanjeev Sinha
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, India
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Low-dose Dexmedetomidine Improves Sleep Quality Pattern in Elderly Patients after Noncardiac Surgery in the Intensive Care Unit. Anesthesiology 2016; 125:979-991. [DOI: 10.1097/aln.0000000000001325] [Citation(s) in RCA: 108] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Abstract
Background
Patients admitted to the intensive care unit (ICU) after surgery often develop sleep disturbances. The authors tested the hypothesis that low-dose dexmedetomidine infusion could improve sleep architecture in nonmechanically ventilated elderly patients in the ICU after surgery.
Methods
This was a pilot, randomized controlled trial. Seventy-six patients age 65 yr or older who were admitted to the ICU after noncardiac surgery and did not require mechanical ventilation were randomized to receive dexmedetomidine (continuous infusion at a rate of 0.1 μg kg−1 h−1; n = 38) or placebo (n = 38) for 15 h, i.e., from 5:00 pm on the day of surgery until 8:00 am on the first day after surgery. Polysomnogram was monitored during the period of study-drug infusion. The primary endpoint was the percentage of stage 2 non–rapid eye movement (stage N2) sleep.
Results
Complete polysomnogram recordings were obtained in 61 patients (30 in the placebo group and 31 in the dexmedetomidine group). Dexmedetomidine infusion increased the percentage of stage N2 sleep from median 15.8% (interquartile range, 1.3 to 62.8) with placebo to 43.5% (16.6 to 80.2) with dexmedetomidine (difference, 14.7%; 95% CI, 0.0 to 31.9; P = 0.048); it also prolonged the total sleep time, decreased the percentage of stage N1 sleep, increased the sleep efficiency, and improved the subjective sleep quality. Dexmedetomidine increased the incidence of hypotension without significant intervention.
Conclusions
In nonmechanically ventilated elderly patients who were admitted to the ICU after noncardiac surgery, the prophylactic low-dose dexmedetomidine infusion may improve overall sleep quality.
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DuBose JR, Hadi K. Improving inpatient environments to support patient sleep. Int J Qual Health Care 2016; 28:540-553. [DOI: 10.1093/intqhc/mzw079] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 06/17/2016] [Accepted: 06/21/2016] [Indexed: 02/04/2023] Open
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Zaki N, Eldaly K, El-Gizawi L. The associations between daylight sufficiency in hospital wards and patient satisfaction with mental healthcare services: An egyptian sample. ACTA MEDICA INTERNATIONAL 2016. [DOI: 10.5530/ami.2016.2.22] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Saeed AM, Galal IH, Shata AK. Evaluation of the psychological status of patients during and after weaning from mechanical ventilation. THE EGYPTIAN JOURNAL OF BRONCHOLOGY 2014. [DOI: 10.4103/1687-8426.145718] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Shepley MM, Song Y. Design Research and the Globalization of Healthcare Environments. HERD-HEALTH ENVIRONMENTS RESEARCH & DESIGN JOURNAL 2014; 8:158-98. [DOI: 10.1177/193758671400800112] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE: Global healthcare practice has expanded in the past 20 years. At the same time the incorporation of research into the design process has gained prominence as a best practice among architects. The authors of this study investigated the status of design research in a variety of international settings. We intended to answer the question, “how pervasive is healthcare design research outside of the United States?” METHOD: The authors reviewed the international literature on the design of healthcare facilities. More than 500 international studies and conference proceedings were incorporated in this literature review. A team of five research assistants searched multiple databases comparing approximately 16 keywords to geographic location. Some of those keywords included: evidence-based design, salutogenic design, design research, and healthcare environment. Additional articles were gathered by contacting prominent researchers and asking for their personal assessment of local health design research studies. RESULTS: While there are design researchers in most parts of the world, the majority of studies focus on the needs of populations in developed countries and generate guidelines that have significant cost and cultural implications that prohibit their implementation in developing countries. Additionally, the body of literature discussing the role of culture in healthcare environments is extremely limited. CONCLUSION: Design researchers must address the cultural implications of their studies. Additionally, we need to expand our research objectives to address healthcare design in countries that have not been previous considered.
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Fridh I, Kenne Sarenmalm E, Falk K, Henoch I, Öhlén J, Ozanne A, Jakobsson Ung E. Extensive human suffering: a point prevalence survey of patients' most distressing concerns during inpatient care. Scand J Caring Sci 2014; 29:444-53. [DOI: 10.1111/scs.12148] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Accepted: 04/23/2014] [Indexed: 11/28/2022]
Affiliation(s)
- Isabell Fridh
- School of Health Sciences; University of Borås; Borås Sweden
- Institute of Health and Care Sciences; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
| | - Elisabeth Kenne Sarenmalm
- Head of Research and Development Centre; Skaraborg Hospital; Skövde
- Palliative Research Centre; Ersta Sköndal University College; Ersta Hospital; Stockholm Sweden
| | - Kristin Falk
- Institute of Health and Care Sciences; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
- Centre for Person-Centered Care (GPCC); Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
| | - Ingela Henoch
- Institute of Health and Care Sciences; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
- Centre for Person-Centered Care (GPCC); Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
| | - Joakim Öhlén
- Institute of Health and Care Sciences; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
- Palliative Research Centre; Ersta Sköndal University College; Ersta Hospital; Stockholm Sweden
- Centre for Person-Centered Care (GPCC); Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
| | - Anneli Ozanne
- Department of Neurology; Institute of Neuroscience and Physiology; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
| | - Eva Jakobsson Ung
- Institute of Health and Care Sciences; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
- Centre for Person-Centered Care (GPCC); Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
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Daemen EML, Flinsenberg ICM, Van Loenen EJ, Cuppen RPG, Rajae-Joordens RJE. Adaptable healing patient room for stroke patients. A staff evaluation. Methods Inf Med 2014; 53:406-15. [PMID: 24852400 DOI: 10.3414/me13-02-0032] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2013] [Accepted: 03/06/2014] [Indexed: 11/09/2022]
Abstract
INTRODUCTION This article is part of the focus theme of Methods of Information in Medicine on "Pervasive Intelligent Technologies for Health". BACKGROUND This paper addresses the evaluation with hospital staff of an in-patient environment that supports patients, family, nursing staff and medical specialists during the recovery process of neurology patients and especially patients recovering from a stroke. We describe the methods that were used to evaluate the Adaptive Daily Rhythm Atmospheres (ADRA), Artificial Skylight (AS) and Adaptive Stimulus Dosage (ASD) concepts. OBJECTIVES The goal of this evaluation was to gather qualitative and quantitative feedback from hospital staff about the usefulness, the usability and desirability of the Adaptive Daily Rhythm Atmospheres (ADRA), Artificial Skylight (AS) and Adaptive Stimulus Dosage (ASD) concepts that were implemented as different phases of a novel healing patient room. This paper reports the effects of these concepts with regard to 1) the healing process of the patient and 2) the workflow of the staff. These results are part of a larger R&D project and provide the initial feedback in an iterative user-centered design methodology. METHODS After signing informed consents, the group of participants was taken to the laboratory environment where they were introduced to the Adaptive Healing Environment Patient Room and where they could also experience the room. Then, the participants were seated next to the patient bed so they had a similar viewing angle as the patients. The participants received a booklet with questionnaires. The items on this questionnaire addressed the influence on the healing process (i.e., the possible effect the concept/phase has on the healing process of the patient, meaning faster recovery, better sleep and enhanced well-being) and influence on the workflow (i.e., the possible effect of such a concept/phase on the working activities of the staff in the ward). We presented every concept (AS and ASD) and all the phases of ADRA. After every presentation of the concept or phase of the ADRA system the participants rated the concept or phase anonymously on a 7-point Likert scale. In addition to rating the phase in the therefore designed booklets, they were also asked to motivate their ratings in writing. Subsequently, a focus group discussion took place. During the discussion the two note takers wrote down all the comments. Afterwards the quantitative results were analyzed with the non-parametric Kruskal-Wallis test. Significant effects were further analyzed in a post-hoc Mann-Whitney test. RESULTS The results show that hospital staff expects a positive effect on the healing process of the patient for the Artificial Skylight, the Adaptable Stimulus Dosage concept and the different ADRA phases that provide a clear daily rhythm structure during the day. In fact the staff members from different healthcare institutions and with different professional roles agreed on most aspects. In addition, the staff also expected a positive effect for almost all phases on the efficiency of the clinical workflow, also for the AS and ASD concepts. This is a very promising result as the phases were designed primarily with the healing effect of the patient in mind. CONCLUSIONS The hospital staff evaluation in the laboratory setting gave us an indication of the likely impact of the Adaptive Healing Environment Patient Room on the healing progress of patients. Furthermore, this laboratory evaluation of the concepts was an important step that enabled to improve the shortcomings of the current concept before starting clinical trials. In addition, we generated feedback from different departments from different institutions, which suggest that they all see similar added values for the patient room.
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Affiliation(s)
- E M L Daemen
- Elke M. L. Daemen, Philips Research, Philips Electronics Netherlands, High Tech Campus 34, Eindhoven, The Netherlands, E-mail:
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Development and Validation of Sleep Disturbance Questionnaire in Patients with Acute Coronary Syndrome. INTERNATIONAL SCHOLARLY RESEARCH NOTICES 2014; 2014:978580. [PMID: 27382631 PMCID: PMC4897318 DOI: 10.1155/2014/978580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2014] [Revised: 07/27/2014] [Accepted: 07/28/2014] [Indexed: 11/17/2022]
Abstract
Background and Objectives. Severe sleep disturbance is a common problem among patients in cardiac care units (CCUs). There are questionnaires to measure sleep disturbances. Therefore, the present study seeks to design a valid and reliable questionnaire to assess sleep disturbance in patients with acute coronary syndrome (ACS) hospitalized in CCUs. Materials and Methods. In the present methodological research, items of the questionnaire were extracted through a systematic review. The validity and reliability of the questionnaires was assessed by face validity, content validity, construct validity, Cronbach's alpha coefficient, and test-retest methods. Results. Factor analysis provided a questionnaire of 23 items on 5 dimensions of sleep disturbance in coronary patients: “sleep onset and continuity disorder,” “disorder in daytime functioning,” “sleep disturbance caused by environmental factors,” “sleep disturbance as a result of cardiac diseases,” and “respiratory disorders during sleep.” Furthermore, test-retest analysis showed a reliability correlation coefficient of r = 0.766 and α Cronbach's reliability (α = 0.855). Conclusion. Sleep disturbance questionnaire for patients with ACS hospitalized in coronary care unit (CCU) was identified in 5 dimensions and assessed for validity and reliability. To control and improve the sleep quality of CCU hospitalized patients, we need to identify and remove predisposing factors.
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Maldonado JR. Neuropathogenesis of delirium: review of current etiologic theories and common pathways. Am J Geriatr Psychiatry 2013; 21:1190-222. [PMID: 24206937 DOI: 10.1016/j.jagp.2013.09.005] [Citation(s) in RCA: 406] [Impact Index Per Article: 36.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Revised: 09/10/2013] [Accepted: 09/13/2013] [Indexed: 12/20/2022]
Abstract
Delirium is a neurobehavioral syndrome caused by dysregulation of neuronal activity secondary to systemic disturbances. Over time, a number of theories have been proposed in an attempt to explain the processes leading to the development of delirium. Each proposed theory has focused on a specific mechanism or pathologic process (e.g., dopamine excess or acetylcholine deficiency theories), observational and experiential evidence (e.g., sleep deprivation, aging), or empirical data (e.g., specific pharmacologic agents' association with postoperative delirium, intraoperative hypoxia). This article represents a review of published literature and summarizes the top seven proposed theories and their interrelation. This review includes the "neuroinflammatory," "neuronal aging," "oxidative stress," "neurotransmitter deficiency," "neuroendocrine," "diurnal dysregulation," and "network disconnectivity" hypotheses. Most of these theories are complementary, rather than competing, with many areas of intersection and reciprocal influence. The literature suggests that many factors or mechanisms included in these theories lead to a final common outcome associated with an alteration in neurotransmitter synthesis, function, and/or availability that mediates the complex behavioral and cognitive changes observed in delirium. In general, the most commonly described neurotransmitter changes associated with delirium include deficiencies in acetylcholine and/or melatonin availability; excess in dopamine, norepinephrine, and/or glutamate release; and variable alterations (e.g., either a decreased or increased activity, depending on delirium presentation and cause) in serotonin, histamine, and/or γ-aminobutyric acid. In the end, it is unlikely that any one of these theories is fully capable of explaining the etiology or phenomenologic manifestations of delirium but rather that two or more of these, if not all, act together to lead to the biochemical derangement and, ultimately, to the complex cognitive and behavioral changes characteristic of delirium.
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Affiliation(s)
- José R Maldonado
- Departments of Psychiatry, Internal Medicine & Surgery and the Psychosomatic Medicine Service, Stanford University School of Medicine, and Board of Directors, American Delirium Society, Stanford, CA.
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Bernhofer EI, Higgins PA, Daly BJ, Burant CJ, Hornick TR. Hospital lighting and its association with sleep, mood and pain in medical inpatients. J Adv Nurs 2013; 70:1164-73. [PMID: 24164506 DOI: 10.1111/jan.12282] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/21/2013] [Indexed: 11/29/2022]
Abstract
AIMS To describe light exposure, sleep-wake patterns, mood, pain and their relationships in adult medical inpatients. BACKGROUND The hospital environment may contribute to patient discomfort by providing a lighting structure that interferes with circadian rhythmicity, sleep, mood and pain. DESIGN A descriptive correlational design was used in this preliminary study. METHODS Between May 2011-April 2012, data were collected from a convenience sample of 23 women and 17 men admitted to a large academically affiliated hospital in the United States. Over 72 hours, light exposure and sleep-wake patterns were continuously measured with wrist actigraph/light meters for each participant. Mood was measured daily using the Profile Of Mood States Brief™ Form. Subjective pain scores were abstracted from medical records. RESULTS Light exposure levels were low: mean daytime light intensity was 104·80 lux. Sleep time was fragmented and low: mean 236·35 minutes of sleep/night. Intra-daily stability scores indicated little sleep-wake synchronization with light. Fatigue and total mood disturbance scores were high and inversely associated with light. Pain levels were also high and positively associated with fatigue, but not directly with light exposure. Low light exposure significantly predicted fatigue and total mood disturbance. CONCLUSION Medical inpatients were exposed to light levels insufficient for circadian entrainment. Nevertheless, higher light exposure was associated with less fatigue and lower total mood disturbance in participants with pain, suggesting the need for further investigation to determine if manipulating light exposure for medical inpatients would be beneficial in affecting sleep-wake disturbances, mood and pain.
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Affiliation(s)
- Esther I Bernhofer
- Office of Research and Innovation, Nursing Institute, Cleveland Clinic, Cleveland, Ohio, USA
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Esquinas AM, Bahammam AS. Pressure-controlled ventilation and sleep in COPD patients in the intensive care unit: The role of tidal volume? Respir Med 2013; 107:1633-4. [PMID: 24012388 DOI: 10.1016/j.rmed.2013.07.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2013] [Revised: 07/11/2013] [Accepted: 07/17/2013] [Indexed: 11/27/2022]
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BOYKO Y, ØRDING H, JENNUM P. Sleep disturbances in critically ill patients in ICU: how much do we know? Acta Anaesthesiol Scand 2012; 56:950-8. [PMID: 22404330 DOI: 10.1111/j.1399-6576.2012.02672.x] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/31/2012] [Indexed: 01/25/2023]
Abstract
Sleep disturbances in the intensive care unit (ICU) seem to lead to development of delirium, prolonged ICU stay, and increased mortality. That is why sufficient sleep is important for good outcome and recovery in critically ill patients. A variety of small studies reveal pathological sleep patterns in critically ill patients including abnormal circadian rhythm, high arousal and awakening index, reduced Slow Wave Sleep, and Rapid Eye Movement sleep. The purpose of this study is to summarise different aspects of sleep-awake disturbances, causes and handling methods in critically ill patients by reviewing the underlying literature. There are no studies of level 1 evidence proving the positive impact of the tested interventions on the critically ill patients' sleep pattern. Thus, disturbed sleep in critically ill patients with all the severe consequences remains an unresolved problem and needs further investigation.
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Affiliation(s)
- Y. BOYKO
- Department of Anaesthesia and Intensive Care; Vejle Hospital; Vejle; Denmark
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Abstract
Sleep disturbances and fatigue are significant problems for critically ill patients. Existing sleep disorders, underlying medical/surgical conditions, environmental factors, stress, medications, and other treatments all contribute to a patient's inability to sleep. Sleep disturbance and debilitating fatigue that originate during acute illness may continue months after discharge from intensive care units (ICUs). If these issues are unrecognized, lack of treatment may contribute to chronic sleep problems, impaired quality of life, and incomplete rehabilitation. A multidisciplinary approach that incorporates assessment of sleep disturbances and fatigue, environmental controls, appropriate pharmacologic management, and educational and behavioral interventions is necessary to reduce the impact of sleep disturbances and fatigue in ICU patients. Nurses are well positioned to identify issues in their own units that prevent effective patient sleep. This article will discuss the literature related to the occurrence, etiology, and risk factors of sleep disturbance and fatigue and describe assessment and management options in critically ill adults.
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Affiliation(s)
- Ellyn E Matthews
- College of Nursing, University of Colorado Denver, 13120 E 19th Ave, Aurora, CO 80045, USA.
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Otair HA, Al-shamiri M, Bahobail M, Sharif MM, BaHammam AS. Assessment of sleep patterns, energy expenditure and circadian rhythms of skin temperature in patients with acute coronary syndrome. Med Sci Monit 2011; 17:CR397-403. [PMID: 21709634 PMCID: PMC3539555 DOI: 10.12659/msm.881851] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2010] [Accepted: 02/10/2011] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND There is no simple and practical way to monitor sleep patterns in patients in acute care units. We designed this study to assess sleep patterns, energy expenditure and circadian rhythms of patients' skin temperature in the coronary care unit (CCU) utilizing a new portable device. MATERIAL/METHODS The SenseWear Armband (SWA) was used to record sleep duration, distribution over 24 hr, energy expenditure and the circadian rhythms of skin temperature in 46 patients with acute coronary syndrome (ACS) for the first 24 hr in the CCU and upon transfer to the ward. An advanced analysis was used to extract and compare data associated with the above variables in the two settings. RESULTS Patients in the CCU had a reduced night's sleep duration (5.6 ± 2.2 hr) with more frequent and significantly shorter night sessions (p=0.015) than patients in the ward. Energy expenditure and METs (metabolic equivalents of a task) were significantly lower in the CCU than in the ward. However, the midline-estimating statistic of rhythm (MESOR) and acrophase for skin temperature did not exhibit any significant difference between the two settings. CONCLUSIONS Patients with ACS have sleep fragmentation and shorter nocturnal sleep duration in the CCU compared to the ward. On the other hand, there was no difference in the circadian rhythms of skin temperature between patients in the CCU and the general wards.
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Affiliation(s)
- Hadil Al Otair
- Department of Critical Care, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Mustafa Al-shamiri
- Department of Cardiac Sciences, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | - Munir M. Sharif
- University Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed S. BaHammam
- University Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia
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Li SY, Wang TJ, Vivienne Wu SF, Liang SY, Tung HH. Efficacy of controlling night-time noise and activities to improve patients’ sleep quality in a surgical intensive care unit. J Clin Nurs 2011; 20:396-407. [DOI: 10.1111/j.1365-2702.2010.03507.x] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Affiliation(s)
- Heather Dunn
- Heather Dunn is a pulmonary and critical care nurse practitioner with Pulmonary Associates in Davenport, Iowa. Mary Ann Anderson is an associate professor and Pamela D. Hill is a professor at University of Illinois at Chicago
| | - Mary Ann Anderson
- Heather Dunn is a pulmonary and critical care nurse practitioner with Pulmonary Associates in Davenport, Iowa. Mary Ann Anderson is an associate professor and Pamela D. Hill is a professor at University of Illinois at Chicago
| | - Pamela D. Hill
- Heather Dunn is a pulmonary and critical care nurse practitioner with Pulmonary Associates in Davenport, Iowa. Mary Ann Anderson is an associate professor and Pamela D. Hill is a professor at University of Illinois at Chicago
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Bartick MC, Thai X, Schmidt T, Altaye A, Solet JM. Decrease in as-needed sedative use by limiting nighttime sleep disruptions from hospital staff. J Hosp Med 2010; 5:E20-4. [PMID: 19768797 DOI: 10.1002/jhm.549] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND Hospital routines frequently interrupt nighttime sleep. Sedatives promote sleep, but increase the risk of delirium and falls. Few interventional trials have studied sleep promotion in medical-surgical units and little is known about its impact on sedative use. OBJECTIVE To determine causes of sleep disruption, and assess whether decreasing sleep disruptions lowers sedative use in medical-surgical patients. DESIGN AND SETTING Interventional trial with historical controls on a medical-surgical unit of a community teaching hospital. Nurses, physicians, and patients were blinded to the measurement of as-needed sedative use. PATIENTS Consecutive eligible adults (n = 161 preintervention patients, n = 106 intervention patients). INTERVENTION We developed the "Somerville Protocol," which included the establishment of an 8-hour "Quiet Time" that began with automated lights-off and lullaby; staff-monitored noise; and avoidance of waking of patients for routine vital signs and medications. MEASUREMENTS As-needed sedative use, responses to a patient questionnaire, and responses to a modified Verran Snyder-Halpern (VSH) sleep scale. RESULTS Preintervention, "hospital staff " was the disturbance most likely to keep patients awake. The intervention decreased the proportion of patients reporting it from 42% to 26%, a 38% reduction (P = 0.009; 95% confidence interval [CI]: 0.0452-0.2765). Preintervention, 32% of patients received as-needed sedatives, compared to 16% with the intervention, a 49% reduction (P = 0.0041; 95% CI: 0.056-0.26), with a 62% decrease in patients over age 64 years (P = 0.005). VSH scores were unchanged. CONCLUSIONS Small modifications in hospital routines, especially in the timing of vital signs and routine medication administration, can significantly reduce sedative use in unselected hospital patients.
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Affiliation(s)
- Melissa C Bartick
- Department of Medicine, Harvard Medical School, Cambridge Health Alliance, Cambridge, Massachusetts 02139, USA.
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Hilty D, Young JS, Bourgeois JA, Klein S, Hardin KA. Algorithms for the assessment and management of insomnia in primary care. Patient Prefer Adherence 2009; 3:9-20. [PMID: 19936140 PMCID: PMC2778437 DOI: 10.2147/ppa.s2670] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Insomnia is a leading cause of sleep disturbance in primary care practice affecting >30% of people in the United States and can result in psychological and physiological consequences. We aim for a focused discussion of some of the underpinnings of insomnia and practical tips for management (eg, algorithms). A PubMed search was conducted using English language papers between 1997-2007, with the terms "sleep," "insomnia"; "primary care" and "clinics"; "comorbid conditions"; "treatment" and "management." Sleep, psychiatric and medical disorders significantly affect sleep, causing patient suffering, potentially worsening of other disorders and increasing the use of primary care services. We provide an outline for practical assessment and treatment of insomnia in primary care, including the strengths and weaknesses of medications.
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Affiliation(s)
- Donald Hilty
- Department of Psychiatry and Behavioral Sciences
| | | | | | | | - Kimberly A Hardin
- Sleep Medicine Fellowship Training Program, University of California Davis, Sacramento, CA, USA
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Pathoetiological model of delirium: a comprehensive understanding of the neurobiology of delirium and an evidence-based approach to prevention and treatment. Crit Care Clin 2008; 24:789-856, ix. [PMID: 18929943 DOI: 10.1016/j.ccc.2008.06.004] [Citation(s) in RCA: 170] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Delirium is the most common complication found in the general hospital setting. Yet, we know relatively little about its actual pathophysiology. This article contains a summary of what we know to date and how different proposed intrinsic and external factors may work together or by themselves to elicit the cascade of neurochemical events that leads to the development delirium. Given how devastating delirium can be, it is imperative that we better understand the causes and underlying pathophysiology. Elaborating a pathoetiology-based cohesive model to better grasp the basic mechanisms that mediate this syndrome will serve clinicians well in aspiring to find ways to correct these cascades, instituting rational treatment modalities, and developing effective preventive techniques.
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Young JS, Bourgeois JA, Hilty DM, Hardin KA. Sleep in hospitalized medical patients, part 1: factors affecting sleep. J Hosp Med 2008; 3:473-82. [PMID: 19084897 DOI: 10.1002/jhm.372] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Multiple factors lead to sleep disturbances in hospitalized medical patients. Inadequate sleep can lead to both psychological and physiological consequences. METHODS A PubMed search was conducted using the terms: ("sleep deprivation," "sleep," or "insomnia") and ("hospitalized," "inpatient," "critical illness," or "acute illness") to review the published data on the topic of sleep in hospitalized medical patients. The search was limited to English-language articles published between 1997 and 2008. Subsequent PubMed searches were performed to clarify the data described in the initial search, including the terms "hospital noise," "hospital environment," "obstructive sleep apnea," and "heart failure." RESULTS Few articles specifically addressed the topic of sleep in hospitalized medical patients. Data were limited to observational studies that included outcomes such as sleep complaints and staff logs of wakefulness and sleep. In Part 1, we review normal sleep architecture, and discuss how major medical disorders, the hospital environment, and medications can disrupt sleep during hospitalization. In Part 2, we will propose an evaluation and treatment algorithm to optimize sleep in hospitalized medical patients. CONCLUSIONS Hospitalization may severely disrupt sleep, which can worsen pain, cardiorespiratory status, and the psychiatric health of acutely ill patients. Like vital signs, the patient sleep quality reveals much about patients' overall well-being, and should be a routine part of medical evaluation.
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Affiliation(s)
- Julie S Young
- Department of Psychiatry and Behavioral Sciences, University of California-Davis, 2230 Stockton Boulevard, Sacramento, CA 95817, USA.
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Ulrich RS, Zimring C, Zhu X, DuBose J, Seo HB, Choi YS, Quan X, Joseph A. A Review of the Research Literature on Evidence-Based Healthcare Design. HERD-HEALTH ENVIRONMENTS RESEARCH & DESIGN JOURNAL 2008; 1:61-125. [DOI: 10.1177/193758670800100306] [Citation(s) in RCA: 683] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective: This report surveys and evaluates the scientific research on evidence-based healthcare design and extracts its implications for designing better and safer hospitals. Background: It builds on a literature review conducted by researchers in 2004. Methods: Research teams conducted a new and more exhaustive search for rigorous empirical studies that link the design of hospital physical environments with healthcare outcomes. The review followed a two-step process, including an extensive search for existing literature and a screening of each identified study for the relevance and quality of evidence. Results: This review found a growing body of rigorous studies to guide healthcare design, especially with respect to reducing the frequency of hospital-acquired infections. Results are organized according to three general types of outcomes: patient safety, other patient outcomes, and staff outcomes. The findings further support the importance of improving outcomes for a range of design characteristics or interventions, including single-bed rooms rather than multibed rooms, effective ventilation systems, a good acoustic environment, nature distractions and daylight, appropriate lighting, better ergonomic design, acuity-adaptable rooms, and improved floor layouts and work settings. Directions for future research are also identified. Conclusions: The state of knowledge of evidence-based healthcare design has grown rapidly in recent years. The evidence indicates that well-designed physical settings play an important role in making hospitals safer and more healing for patients, and better places for staff to work.
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Abstract
PURPOSE This study aims to describe the sleep experience of parents staying overnight with their children in hospital. DESIGN AND METHODS Parents (n = 102) completed the Verran and Snyder-Halpern Sleep Scale following a night spent with their children in an Australian tertiary pediatric hospital. RESULTS Parents experienced sleep deprivation and poor quality of sleep, reporting a mean sleep period of 4.6 hr (SD = 2.1). Having only one child in the room was the only variable that significantly influenced the quality or amount of parental sleep. PRACTICE IMPLICATIONS Parental sleep deprivation needs to be acknowledged and accommodated when nurses and parents negotiate the care of children in hospital.
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Affiliation(s)
- Damhnat McCann
- School of Nursing and Midwifery, University of Tasmania, Launceston, Tasmania, Australia
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