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Stefani O, Schöllhorn I, Münch M. Towards an evidence-based integrative lighting score: a proposed multi-level approach. Ann Med 2024; 56:2381220. [PMID: 39049780 PMCID: PMC11275531 DOI: 10.1080/07853890.2024.2381220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 03/01/2024] [Accepted: 03/01/2024] [Indexed: 07/27/2024] Open
Abstract
Background: Human circadian clocks are synchronized daily with the external light-dark cycle and entrained to the 24-hour day. There is increasing evidence that a lack of synchronization and circadian entrainment can lead to adverse health effects. Beyond vision, light plays a critical role in modulating many so-called non-visual functions, including sleep-wake cycles, alertness, mood and endocrine functions. To assess (and potentially optimize) the impact of light on non-visual functions, it is necessary to know the exact 'dose' (i.e. spectral irradiance and exposure duration at eye level) of 24-hour light exposures, but also to include metadata about the lighting environment, individual needs and resources. Problem statement: To address this problem, a new assessment tool is needed that uses existing metrics to provide metadata and information about light quality and quantity from all sources. In this commentary, we discuss the need to develop an evidence-based integrative lighting score that is tailored to specific audiences and lighting environments. We will summarize the most compelling evidence from the literature and outline a future plan for developing such a lighting score using internationally accepted metrics, stakeholder and user feedback. Conclusion: We propose a weighting system that combines light qualities with physiological and behavioral effects, and the use of mathematical modelling for an output score. Such a scoring system will facilitate a holistic assessment of a lighting environment, integrating all available light sources.
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Affiliation(s)
- Oliver Stefani
- Lucerne School of Engineering and Architecture, Lucerne University of Applied Sciences and Arts, Horw, Switzerland
| | - Isabel Schöllhorn
- Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland
| | - Mirjam Münch
- Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland
- Research Cluster Molecular Cognitive Neuroscience, University of Basel, Basel, Switzerland
- Department of Biomedicine, University of Basel, Basel, Switzerland
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2
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Wang J, Lu Y, Chen X, Wu Y. Effectiveness of nurse-led non-pharmacological interventions on outcomes of delirium in adults: A meta-analysis of randomized controlled trials. Worldviews Evid Based Nurs 2024. [PMID: 39086052 DOI: 10.1111/wvn.12739] [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: 03/02/2024] [Revised: 06/08/2024] [Accepted: 07/14/2024] [Indexed: 08/02/2024]
Abstract
BACKGROUND Delirium is a common complication among adults. It is essential to improve the outcomes of delirium. AIM To systematically synthesize the evidence on the effectiveness of the nurse-led non-pharmacological interventions on outcomes of delirium in adults. METHODS Electronic databases including CINAHL, Cochrane Library, MEDLINE, EMBASE, PubMed, Web of Science, PsycINFO, and Clinical Trial Registration were searched comprehensively by the authors. The authors reviewed the full text and assessed the risk of bias using the Cochrane Risk of Bias Tool 2.0. The meta-analysis was performed using RevMan and Stata software. The forest plots showed the overall effect of the included study and the I2 test was used to assess the degree of heterogeneity between studies. Random effects models were used to analyze studies with significant heterogeneity. RESULTS A total of 32 studies (10,122 participants) were included in the meta-analysis. Nurse-led non-pharmacological interventions resulted in a significantly lower incidence of delirium compared with the usual care/control group (risk ratio = 0.74, p < .001) and reduced mortality in the hospital compared with usual care (risk ratio = 0.81, p = .04). However, the implementation of nurse-led, non-pharmacological interventions had no significant effect on the duration, severity of delirium, or length of hospital stay. LINKING EVIDENCE TO ACTION Our findings suggest that the nurse-led, non-pharmacological strategy was effective in reducing the incidence of delirium and mortality in the hospital. Multicomponent interventions were the most effective strategy for reducing the incidence of delirium in adults.
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Affiliation(s)
- Jiamin Wang
- School of Nursing, Beijing University of Chinese Medicine, Beijing, China
| | - Yating Lu
- School of Nursing, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaohong Chen
- School of Nursing, Beijing University of Chinese Medicine, Beijing, China
| | - Ying Wu
- School of Nursing, Capital Medical University, Beijing, China
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3
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Dogan TD, Guttenthaler V, Zimmermann A, Kunsorg A, Dinç MÖ, Knuelle N, Schewe JC, Wittmann M. Functional intervention following cardiac surgery to prevent postoperative delirium in older patients (FEEL WELL study). J Intensive Care 2023; 11:62. [PMID: 38093389 PMCID: PMC10716938 DOI: 10.1186/s40560-023-00711-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 12/06/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Postoperative delirium is a common complication in patients after cardiac surgery, especially in older patients, and can manifest as a disturbance of attention and consciousness. It can lead to increased postoperative morbidity, prolonged need for care, and mortality. The presented study investigates whether the occurrence of postoperative delirium after cardiac surgery can be prevented by a multisensory stimulation. It was conducted as a prospective, randomized, controlled, non-pharmacological intervention study in the years 2021 and 2022 at the University Hospital Bonn in Germany. A total of 186 patients over 65 years with elective cardiac surgery were enrolled. Patients were randomized either to the intervention or control group. In both groups, postoperative delirium was assessed with the 3-min diagnostic interview for confusion assessment method on the first 5 days after surgery and pain was assessed using the Numeric Rating Scale. Multisensory stimulation was performed 20 min a day for the first three postoperative days in the intervention group. RESULTS The incidence of postoperative delirium was 22.6% in the intervention group and 49.5% in the control group (p < 0.001). Duration of postoperative delirium was significantly shorter in the intervention group (p < 0.001). Stay in the intensive care unit was significantly longer in the control group (p = 0.006). In the regression model non-intervention, high pain scores, advanced age, and prolonged mechanical ventilation were associated with postoperative delirium (p = 0.007; p = 0.032; p = 0.006; p = 0.006, respectively). CONCLUSIONS Results of the study imply that a multisensory stimulation done on the first 3 days after planned cardiac surgery can reduce the incidence and duration of postoperative delirium in older patients. Influence of the treatment on the incidence of delirium in other patient groups, the length of stay in the intensive care unit, and patients´ postoperative pain should be confirmed in further clinical studies. TRIAL REGISTRATION DRKS, DRKS00026909. Registered 28 October 2021, Retrospectively registered, https://drks.de/search/de/trial/DRKS00026909 .
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Affiliation(s)
- Tuğce Dinç Dogan
- Department of Anaesthesia and Intensive Care Medicine, Istanbul University Istanbul Medical Faculty, Istanbul, Turkey
| | - Vera Guttenthaler
- Department of Anaesthesia and Intensive Care Medicine, University Hospital Bonn, Bonn, Germany.
| | | | - Andrea Kunsorg
- Department of Anaesthesia and Intensive Care Medicine, University Hospital Bonn, Bonn, Germany
| | - Merve Özlem Dinç
- Department of Anaesthesia and Intensive Care Medicine, Istanbul University Istanbul Medical Faculty, Istanbul, Turkey
| | | | - Jens-Christian Schewe
- Department of Anaesthesia and Intensive Care Medicine, University Hospital Bonn, Bonn, Germany
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Medical Centre Rostock, Rostock, Germany
| | - Maria Wittmann
- Department of Anaesthesia and Intensive Care Medicine, University Hospital Bonn, Bonn, Germany
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4
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Teng J, Qin H, Guo W, Liu J, Sun J, Zhang Z. Effectiveness of sleep interventions to reduce delirium in critically ill patients: A systematic review and meta-analysis. J Crit Care 2023; 78:154342. [PMID: 37302381 DOI: 10.1016/j.jcrc.2023.154342] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 05/03/2023] [Accepted: 05/14/2023] [Indexed: 06/13/2023]
Abstract
PURPOSE To analyze the effectiveness of sleep interventions in reducing the incidence and duration of delirium in the ICU. MATERIALS AND METHODS We searched the PubMed, Embase, CINAHL, Web of Science, Scopus, and Cochrane databases for relevant randomized controlled trials from inception to August 2022. Literature screening, data extraction, and quality assessment were performed independently by two investigators. Data from the included studies were analyzed using Stata and TSA software. RESULTS Fifteen randomized controlled trials were eligible. Meta-analysis showed that the sleep intervention was associated with a reduced incidence of delirium in the ICU (RR = 0.73, 95% CI = 0.58 to 0.93, p < 0.001) compared to the control group. The results of the trial sequence analysis further confirm that sleep interventions are effective in reducing the occurrence of delirium. Pooled data from the three dexmedetomidine trials showed significant differences in the incidence of ICU delirium between groups (RR = 0.43, 95% CI = 0.32 to 0.59, p < 0.001). The respective pooled results of other sleep interventions (e.g., light therapy, earplugs, melatonin, and multicomponent nonpharmacologic treatments) did not find a significant effect on reducing the incidence and duration of ICU delirium (p > 0.05). CONCLUSIONS The current evidence suggests that non-pharmacological sleep interventions are not effective in preventing delirium in ICU patients. However, limited by the number and quality of included studies, future well-designed multicenter randomized controlled trials are still needed to validate the results of this study.
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Affiliation(s)
- Jiao Teng
- School of Nursing, Anhui University of Chinese Medicine, Hefei, Anhui Province, China
| | - Hanzhi Qin
- Department of Nursing, The First Affiliated Hospital of University of Science and Technology of China, Hefei, Anhui Province, China.
| | - Wenchao Guo
- School of Nursing, Anhui University of Chinese Medicine, Hefei, Anhui Province, China
| | - Jialong Liu
- School of Nursing, Anhui University of Chinese Medicine, Hefei, Anhui Province, China
| | - Jian Sun
- Department of Emergency Intensive Care Unit, The First Affiliated Hospital of University of Science and Technology of China, Hefei, Anhui Province, China
| | - Zhenwei Zhang
- Department of Emergency Intensive Care Unit, The First Affiliated Hospital of University of Science and Technology of China, Hefei, Anhui Province, China
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Knauert MP, Ayas NT, Bosma KJ, Drouot X, Heavner MS, Owens RL, Watson PL, Wilcox ME, Anderson BJ, Cordoza ML, Devlin JW, Elliott R, Gehlbach BK, Girard TD, Kamdar BB, Korwin AS, Lusczek ER, Parthasarathy S, Spies C, Sunderram J, Telias I, Weinhouse GL, Zee PC. Causes, Consequences, and Treatments of Sleep and Circadian Disruption in the ICU: An Official American Thoracic Society Research Statement. Am J Respir Crit Care Med 2023; 207:e49-e68. [PMID: 36999950 PMCID: PMC10111990 DOI: 10.1164/rccm.202301-0184st] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023] Open
Abstract
Background: Sleep and circadian disruption (SCD) is common and severe in the ICU. On the basis of rigorous evidence in non-ICU populations and emerging evidence in ICU populations, SCD is likely to have a profound negative impact on patient outcomes. Thus, it is urgent that we establish research priorities to advance understanding of ICU SCD. Methods: We convened a multidisciplinary group with relevant expertise to participate in an American Thoracic Society Workshop. Workshop objectives included identifying ICU SCD subtopics of interest, key knowledge gaps, and research priorities. Members attended remote sessions from March to November 2021. Recorded presentations were prepared and viewed by members before Workshop sessions. Workshop discussion focused on key gaps and related research priorities. The priorities listed herein were selected on the basis of rank as established by a series of anonymous surveys. Results: We identified the following research priorities: establish an ICU SCD definition, further develop rigorous and feasible ICU SCD measures, test associations between ICU SCD domains and outcomes, promote the inclusion of mechanistic and patient-centered outcomes within large clinical studies, leverage implementation science strategies to maximize intervention fidelity and sustainability, and collaborate among investigators to harmonize methods and promote multisite investigation. Conclusions: ICU SCD is a complex and compelling potential target for improving ICU outcomes. Given the influence on all other research priorities, further development of rigorous, feasible ICU SCD measurement is a key next step in advancing the field.
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An Automated Algorithm for Determining Sleep Using Single-Channel Electroencephalography to Detect Delirium: A Prospective Observational Study in Intensive Care Units. Healthcare (Basel) 2022; 10:healthcare10091776. [PMID: 36141389 PMCID: PMC9498606 DOI: 10.3390/healthcare10091776] [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: 08/12/2022] [Revised: 09/11/2022] [Accepted: 09/13/2022] [Indexed: 11/17/2022] Open
Abstract
The relationship between polysomnography-based objective sleep and delirium in the intensive care unit (ICU) is inconsistent across studies, suggesting limitations in manually determining the sleep stage of critically ill patients. We objectively measured 24-h sleep using a single-channel electroencephalogram (SleepScope [SS]) and an under-mattress sleep monitor (Nemuri SCAN [NSCAN]), both of which have independent algorithms that automatically determine sleep and wakefulness. Eighteen patients (median age, 68 years) admitted to the ICU after valvular surgery or coronary artery bypass grafting were included, and their sleep time was measured one day after extubation. The median total sleep times (TSTs) measured by SS (TST-SS) and NSCAN were 548 (48−1050) and 1024 (462−1257) min, respectively. Two patients with delirium during the 24-h sleep measurement had very short TST-SS of 48 and 125 min, and the percentage of daytime sleep accounted for >80% in both SS and NSCAN. This preliminary case series showed marked sleep deprivation and increased rates of daytime sleeping in ICU patients with delirium. Although data accuracy from under-mattress sleep monitors is contentious, automated algorithmic sleep/wakefulness determination using a single-channel electroencephalogram may be useful in detecting delirium in ICU patients and could even be superior to polysomnography.
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Mansour W, Knauert M. Adding Insult to Injury: Sleep Deficiency in Hospitalized Patients. Clin Chest Med 2022; 43:287-303. [PMID: 35659026 PMCID: PMC9177053 DOI: 10.1016/j.ccm.2022.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Sleep deficiency is a common problem in the hospital setting. Contributing factors include preexisting medical conditions, illness severity, the hospital environment, and treatment-related effects. Hospitalized patients are particularly vulnerable to the negative health effects of sleep deficiency that impact multiple organ systems. Objective sleep measurement is difficult to achieve in the hospital setting, posing a barrier to linking improvements in hospital outcomes with sleep promotion protocols. Key next steps in hospital sleep promotion include improvement in sleep measurement techniques and harmonization of study protocols and outcomes to strengthen existing evidence and facilitate data interpretation across studies.
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Affiliation(s)
- Wissam Mansour
- Department of Internal Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Duke University School of Medicine, 1821 Hillandale Road, Suite 25A, Durham, NC 27705, USA
| | - Melissa Knauert
- Department of Internal Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine, Yale University School of Medicine, 300 Cedar Street, PO Box 208057, New Haven, CT 06520-8057, USA.
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8
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Lange S, Mędrzycka-Dąbrowska W, Friganovic A, Oomen B, Krupa S. Non-Pharmacological Nursing Interventions to Prevent Delirium in ICU Patients-An Umbrella Review with Implications for Evidence-Based Practice. J Pers Med 2022; 12:760. [PMID: 35629183 PMCID: PMC9143487 DOI: 10.3390/jpm12050760] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/02/2022] [Accepted: 05/05/2022] [Indexed: 02/06/2023] Open
Abstract
Delirium in ICU patients is a complication associated with many adverse consequences. Given the high prevalence of this complication in critically ill patients, it is essential to develop and implement an effective management protocol to prevent delirium. Given that the cause of delirium is multifactorial, non-pharmacological multicomponent interventions are promising strategies for delirium prevention. (1) Background: To identify and evaluate published systematic review on non-pharmacological nursing interventions to prevent delirium in intensive care unit patients. (2) Methods: An umbrella review guided by the Joanna Briggs Institute was utilized. Data were obtained from PubMed, Scopus, EBSCO, Web of Science, Cochrane Library, and Google Scholar. The last search was conducted on 1 May 2022. (3) Results: Fourteen reviews met the inclusion criteria. Multicomponent interventions are the most promising methods in the fight against delirium. The patient's family is an important part of the process and should be included in the delirium prevention scheme. Light therapy can improve the patient's circadian rhythm and thus contribute to reducing the incidence of delirium. (4) Conclusions: Non-pharmacological nursing interventions may be effective in preventing and reducing the duration of delirium in ICU patients.
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Affiliation(s)
- Sandra Lange
- Department of Internal and Pediatric Nursing, Medical University of Gdańsk, Dębinki 7, 80-211 Gdańsk, Poland;
| | - Wioletta Mędrzycka-Dąbrowska
- Department of Anesthesiology Nursing & Intensive Care, Faculty of Health Sciences, Medical University of Gdansk, 80-211 Gdańsk, Poland
| | - Adriano Friganovic
- Department of Anesthesiology and Intensive Medicine, University Hospital Centre Zagreb, 10000 Zagreb, Croatia;
- University of Applied Health Sciences, Mlinarska cesta 38, 10000 Zagreb, Croatia
| | - Ber Oomen
- ESNO, European Specialist Nurses Organization, 6821 HR Arnhem, The Netherlands;
| | - Sabina Krupa
- Institute of Health Sciences, College of Medical Sciences, University of Rzeszow, 35-310 Rzeszow, Poland;
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9
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Chen TJ, Traynor V, Wang AY, Shih CY, Tu MC, Chuang CH, Chiu HY, Chang HC(R. Comparative Effectiveness of Non-Pharmacological Interventions for Preventing Delirium in Critically Ill Adults: A Systematic Review and Network Meta-Analysis. Int J Nurs Stud 2022; 131:104239. [DOI: 10.1016/j.ijnurstu.2022.104239] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 03/10/2022] [Accepted: 03/22/2022] [Indexed: 11/16/2022]
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10
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Liu J, Wang J. Efficacy of EWINDOW for prevention of delirium at intensive care units: A protocol for systematic review and meta-analysis. Medicine (Baltimore) 2022; 101:e28598. [PMID: 35060527 PMCID: PMC8772622 DOI: 10.1097/md.0000000000028598] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 12/29/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Critically ill patients in intensive care units (ICUs) have restricted exposure to natural light throughout the day. As a result, they are more prone to undergo disruptions in circadian rhythmicity and sleep patterns, which may contribute to the development of delirium. As a measure to synchronize to the patterns of natural sunlight, EWINDOW has been proved to prevent delirium in some studies. Hence, the aim of this systematic review to evaluate the effectiveness of EWINDOW so as to prevent delirium. METHODS From January 2012 to December 2021, electronic databases such as China National Knowledge Infrastructure Database, Excerpta Medica database, PubMed, Cochrane Central Register of Controlled Trials, Wan Fang, and Cumulative Index of Nursing and Allied Health Literature are aimed to look for appropriate randomized controlled trials to evaluate the therapeutic impact of EWINDOW on delirium prevention. To be more exact, related studies are chosen, data is retrieved and the risk of bias is examined, then a meta-analysis is carried out in order. RESULTS The goal of this study is to show how effective EWINDOW is at preventing delirium in ICU. The incidence and duration of delirium are included in our outcome measures. CONCLUSIONS This review evaluates related studies on the therapeutic effects of EWINDOW on the prevention of delirium in the ICUs. DISSEMINATION AND ETHICS The findings of this study will be published in a peer-reviewed journal. As the study relies on publicly available data, no ethical approval is required. Furthermore, throughout the data analysis procedure, anonymity is protected.OSF Registration: https://osf.io/NP3EW/.
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11
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Lindskov FO, Iversen HK, West AS. Clinical outcomes of light therapy in hospitalized patients - A systematic review. Chronobiol Int 2021; 39:299-310. [PMID: 34727798 DOI: 10.1080/07420528.2021.1993240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Light therapy and the effects on biological function have been known and investigated for decades. Light therapy is used to compensate for the lack of exposure to sunlight, which is thought to be linked to major depressive disorder with seasonal patterns. It is applied as sessions with bright light mimicking natural sunlight. Lack of bright light during daytime is not the only factor to maintain the circadian rhythm, also lack of exposure to bright light at night is important. A new modality called naturalistic light shows promise, mimicking daylight by dynamically changing intensity and wavelengths throughout the day. Evidence of clinical effects, besides bright light effects on depression, is still limited, especially in hospital populations, and present review aims to extract results of the effect of any optical light intervention on hospitalized patients. Through database search, 29 trials were included, of which 8 trials used a variation of naturalistic light. Trials were heterogeneous regarding designs, populations, interventions, methods and outcomes. In 14 out of 17 studies investigating sleep duration, quality and circadian alignment, along with decreased fatigue and improved mood in daytime, light therapy had a significant effect. Circadian rhythm and rhythmicity were affected as well. The effect on mood and cognition was inconsistent across studies. Trials showed more significant outcomes when conducted in non-intensive care units and with duration >5 days. Lux was reported in and compared across 24 studies and did not appear to be correlated to outcome, rather the distribution of wavelengths should be considered when conducting trials in the future. Of the 8 trials investigating naturalistic light, 4 trials had significant outcomes and 3 had adverse outcomes compared to one in the standard light regime. The overall effect of light therapy is beneficial, but evidence for the effect of naturalistic light is still insufficient to be recommended before other modalities. Future research in this area should be conducted in facilities where naturalistic light is installed, with a focus on the spectral distribution.
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Affiliation(s)
- Filippa O Lindskov
- Clinical Stroke Research Unit, Department of Neurology, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Helle K Iversen
- Clinical Stroke Research Unit, Department of Neurology, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Anders S West
- Clinical Stroke Research Unit, Department of Neurology, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
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12
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Lee HJ, Bae E, Lee HY, Lee SM, Lee J. Association of natural light exposure and delirium according to the presence or absence of windows in the intensive care unit. Acute Crit Care 2021; 36:332-341. [PMID: 34696555 PMCID: PMC8907453 DOI: 10.4266/acc.2021.00556] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 08/07/2021] [Indexed: 11/30/2022] Open
Abstract
Background Patients in the intensive care unit (ICU) have increased risks of delirium, which is associated with worse outcomes. As pharmacologic treatments for delirium are ineffective, prevention is important. Nonpharmacologic preventive strategies include exposure to natural light and restoring circadian rhythm. We investigated the effect of exposure to natural light through windows on delirium in the ICU. Methods This retrospective cohort study assessed all patients admitted to the medical ICU of a university-affiliated hospital between January and June 2020 for eligibility. The ICU included 12 isolation rooms, six with and six without windows. Patients with ICU stays of >48 hours were included and were divided into groups based on their admission to a single room with (window group) or without windows (windowless group). The primary outcome was the cumulative incidence of delirium. The secondary outcomes were the numbers of delirium- and mechanical ventilation-free days, ICU and hospital length of stay, and in-ICU and 28-day mortalities. Results Of the 150 included patients (window group: 83 [55.3%]; windowless group: 67 [44.7%]), the cumulative incidence of delirium was significantly lower in the window group than in the windowless group (21.7% vs. 43.3%; relative risk, 1.996; 95% confidence interval [CI], 1.220–3.265). Other secondary outcomes did not differ between groups. Admission to a room with a window was independently associated with a decreased risk of delirium (adjusted odds ratio, 0.318; 95% CI, 0.125–0.805). Conclusions Exposure to natural light through windows was associated with a lower incidence of delirium in the ICU.
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Affiliation(s)
- Hyo Jin Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Eunhye Bae
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Hong Yeul Lee
- Department of Critical Care Medicine, Seoul National University Hospital, Seoul, Korea
| | - Sang-Min Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.,Department of Critical Care Medicine, Seoul National University Hospital, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jinwoo Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea.,Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
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13
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Aomura D, Yamada Y, Harada M, Hashimoto K, Kamijo Y. Hospital Admission to a Window-Side Bed Does Not Prevent Delirium: A Retrospective Cohort Study of Older Medical Inpatients in General Wards. Front Med (Lausanne) 2021; 8:744581. [PMID: 34595196 PMCID: PMC8476745 DOI: 10.3389/fmed.2021.744581] [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: 07/20/2021] [Accepted: 08/19/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Delirium in older inpatients is a serious problem. The presence of a window in the intensive care unit has been reported to improve delirium. However, no study has investigated whether window-side bed placement is also effective for delirium prevention in a general ward. Objectives: This study aims to clarify the association between admission to a window-side bed and delirium development in older patients in a general ward. Design: This research is designed as a retrospective cohort study of older patients admitted to the internal medicine departments of Shinshu University Hospital, Japan. Participants: The inclusion criteria were the following: (1) admitted to hospital internal medicine departments between April 2009 and December 2018, (2) older than 75 years, (3) admitted to a multi-patient room in a general ward, and (4) unplanned admission. The number of eligible patients was 1,556. Exposure: This study is a comparison of 495 patients assigned to a window-side bed (window group) with 1,061 patients assigned to a non-window-side bed (non-window group). When patients were transferred to the other type bed after admission, observation was censored. Main Measures: The main outcome of interest was "delirium with event" (e.g., the use of medication or physical restraint for delirium) within 14 days after admission as surveyed by medical chart review in a blinded manner. Key Results: The patients had a median age of 80 years and 38.1% were female. The main outcome was recorded in 36 patients in the window group (10.7 per thousand person-days) and 84 in the non-window group (11.7 per thousand person-days). Log-rank testing showed no significant difference between the groups (p = 0.78). Multivariate analysis with Cox regression modeling also revealed no significant association for the window group with main outcome development (adjusted hazard ratio 0.90, 95% confidence interval of 0.61-1.34). Conclusions: Admission to a window-side bed did not prevent delirium development in older patients admitted to a general ward.
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Affiliation(s)
- Daiki Aomura
- Department of Nephrology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yosuke Yamada
- Department of Nephrology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Makoto Harada
- Department of Nephrology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Koji Hashimoto
- Department of Nephrology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yuji Kamijo
- Department of Nephrology, Shinshu University School of Medicine, Matsumoto, Japan
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Stollings JL, Kotfis K, Chanques G, Pun BT, Pandharipande PP, Ely EW. Delirium in critical illness: clinical manifestations, outcomes, and management. Intensive Care Med 2021; 47:1089-1103. [PMID: 34401939 PMCID: PMC8366492 DOI: 10.1007/s00134-021-06503-1] [Citation(s) in RCA: 116] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 07/29/2021] [Indexed: 12/22/2022]
Abstract
Delirium is the most common manifestation of brain dysfunction in critically ill patients. In the intensive care unit (ICU), duration of delirium is independently predictive of excess death, length of stay, cost of care, and acquired dementia. There are numerous neurotransmitter/functional and/or injury-causing hypotheses rather than a unifying mechanism for delirium. Without using a validated delirium instrument, delirium can be misdiagnosed (under, but also overdiagnosed and trivialized), supporting the recommendation to use a monitoring instrument routinely. The best-validated ICU bedside instruments are CAM-ICU and ICDSC, both of which also detect subsyndromal delirium. Both tools have some inherent limitations in the neurologically injured patients, yet still provide valuable information about delirium once the sequelae of the primary injury settle into a new post-injury baseline. Now it is known that antipsychotics and other psychoactive medications do not reliably improve brain function in critically ill delirious patients. ICU teams should systematically screen for predisposing and precipitating factors. These include exacerbations of cardiac/respiratory failure or sepsis, metabolic disturbances (hypoglycemia, dysnatremia, uremia and ammonemia) receipt of psychoactive medications, and sensory deprivation through prolonged immobilization, uncorrected vision and hearing deficits, poor sleep hygiene, and isolation from loved ones so common during COVID-19 pandemic. The ABCDEF (A2F) bundle is a means to facilitate implementation of the 2018 Pain, Agitation/Sedation, Delirium, Immobility, and Sleep Disruption in Adult Patients in the ICU (PADIS) Guidelines. In over 25,000 patients across nearly 100 institutions, the A2F bundle has been shown in a dose-response fashion (i.e., greater bundle compliance) to yield improved survival, length of stay, coma and delirium duration, cost, and less ICU bounce-backs and discharge to nursing homes.
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Affiliation(s)
- Joanna L Stollings
- Critical Illness Brain Dysfunction Survivorship Center, Nashville, Vanderbilt University Medical Center, 1211 Medical Center Drive, B-131 VUH, Nashville, TN, 37232-7610, USA.
- Department of Pharmaceutical Services, Vanderbilt University Medical Center, Nashville, TN, USA.
| | - Katarzyna Kotfis
- Department Anesthesiology, Intensive Therapy and Acute Intoxications, Pomeranian Medical University, Szczecin, Poland
| | - Gerald Chanques
- Department of Anaesthesia and Critical Care Medicine, Saint Eloi Hospital, Montpellier University Hospital Center, and PhyMedExp, University of Montpellier, INSERM, CNRS, Montpellier, France
| | - Brenda T Pun
- Critical Illness Brain Dysfunction Survivorship Center, Nashville, Vanderbilt University Medical Center, 1211 Medical Center Drive, B-131 VUH, Nashville, TN, 37232-7610, USA
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Pratik P Pandharipande
- Critical Illness Brain Dysfunction Survivorship Center, Nashville, Vanderbilt University Medical Center, 1211 Medical Center Drive, B-131 VUH, Nashville, TN, 37232-7610, USA
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Division of Anesthesiology Critical Care Medicine, Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - E Wesley Ely
- Critical Illness Brain Dysfunction Survivorship Center, Nashville, Vanderbilt University Medical Center, 1211 Medical Center Drive, B-131 VUH, Nashville, TN, 37232-7610, USA
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Center for Health Services Research, Vanderbilt University Medical Center, Nashville, TN, USA
- Geriatric Research, Education and Clinical Center Service, Department of Veterans Affairs Medical Center, Tennessee Valley Health Care System, Nashville, TN, USA
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15
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Non-Pharmacological Nursing Interventions for Prevention and Treatment of Delirium in Hospitalized Adult Patients: Systematic Review of Randomized Controlled Trials. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168853. [PMID: 34444602 PMCID: PMC8395046 DOI: 10.3390/ijerph18168853] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 08/20/2021] [Accepted: 08/20/2021] [Indexed: 01/08/2023]
Abstract
Delirium is a common neurobehavioral complication in hospitalized patients that can occur in the acute phase and lead to poor long-term outcomes. The purpose of this study was to identify non-pharmacological nursing interventions for the prevention and treatment of delirium in hospitalized adult patients. We conducted a systematic review to synthesize the findings of published studies. We searched the PubMed, EMBASE, CINAHL, and Cochrane Library CENTRAL databases for randomized controlled trials in January 2021. We report this systematic review according to the PRISMA 2009 checklist. The study was registered on PROSPERO (CRD42021226538). Nine studies were systematically reviewed for non-pharmacological nursing interventions for the prevention and treatment of delirium. The types of non-pharmacological nursing interventions included multicomponent intervention, multidisciplinary care, multimedia education, music listening, mentoring of family caregivers concerning delirium management, bright light exposure, ear plugs, and interventions for simulated family presence using pre-recorded video messages. These results could help nurses select and utilize non-pharmacological nursing interventions for the prevention and treatment of delirium in clinical nursing practice.
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16
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The Nexus Between Sleep Disturbance and Delirium Among Intensive Care Patients. Crit Care Nurs Clin North Am 2021; 33:155-171. [PMID: 34023083 DOI: 10.1016/j.cnc.2021.01.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Sleep in intensive care is hampered due to many factors; the clinical environment itself exacerbates sleep disturbance. Research suggests that interventions aimed at improving sleep quality have produced positive effects in reducing incidences and duration of delirium. Sleep disturbance is well documented among intensive care patients; however, its prognostic impact is not fully understood. Delirium, disproportionally prevalent among intensive care patients, has significant prognostic factors related to patient outcomes, in which sleep disturbance often is present. The relationship between sleep disturbance and delirium is complex, sharing commonalities in relation to neurobiological and neurohormonal alterations, which may contribute to a bidirectional relationship.
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Abstract
Sleep affects physiologic and psychological recovery throughout critical illness. Patients often describe poor sleep as a major source of distress while hospitalized in an intensive care unit. The intensive care unit environment poses unique challenges for sleep assessment and monitoring. The purpose of this literature review is to discuss methods of assessment and monitoring of sleep within the intensive care unit setting. The advantages and disadvantages of physiologic monitoring of sleep (eg, polysomnography, bispectral index, and actigraphy) are compared with those of subjective measures of sleep quality (eg, validated patient-oriented sleep questionnaires, and informal nursing assessments).
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18
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Burry LD, Cheng W, Williamson DR, Adhikari NK, Egerod I, Kanji S, Martin CM, Hutton B, Rose L. Pharmacological and non-pharmacological interventions to prevent delirium in critically ill patients: a systematic review and network meta-analysis. Intensive Care Med 2021; 47:943-960. [PMID: 34379152 PMCID: PMC8356549 DOI: 10.1007/s00134-021-06490-3] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 07/19/2021] [Indexed: 02/07/2023]
Abstract
PURPOSE To compare the effects of prevention interventions on delirium occurrence in critically ill adults. METHODS MEDLINE, Embase, PsychINFO, CINAHL, Web of Science, Cochrane Library, Prospero, and WHO international clinical trial registry were searched from inception to April 8, 2021. Randomized controlled trials of pharmacological, sedation, non-pharmacological, and multi-component interventions enrolling adult critically ill patients were included. We performed conventional pairwise meta-analyses, NMA within Bayesian random effects modeling, and determined surface under the cumulative ranking curve values and mean rank. Reviewer pairs independently extracted data, assessed bias using Cochrane Risk of Bias tool and evidence certainty with GRADE. The primary outcome was delirium occurrence; secondary outcomes were durations of delirium and mechanical ventilation, length of stay, mortality, and adverse effects. RESULTS Eighty trials met eligibility criteria: 67.5% pharmacological, 31.3% non-pharmacological and 1.2% mixed pharmacological and non-pharmacological interventions. For delirium occurrence, 11 pharmacological interventions (38 trials, N = 11,993) connected to the evidence network. Compared to placebo, only dexmedetomidine (21/22 alpha2 agonist trials were dexmedetomidine) probably reduces delirium occurrence (odds ratio (OR) 0.43, 95% Credible Interval (CrI) 0.21-0.85; moderate certainty). Compared to benzodiazepines, dexmedetomidine (OR 0.21, 95% CrI 0.08-0.51; low certainty), sedation interruption (OR 0.21, 95% CrI 0.06-0.69; very low certainty), opioid plus benzodiazepine (OR 0.27, 95% CrI 0.10-0.76; very low certainty), and protocolized sedation (OR 0.27, 95% CrI 0.09-0.80; very low certainty) may reduce delirium occurrence but the evidence is very uncertain. Dexmedetomidine probably reduces ICU length of stay compared to placebo (Ratio of Means (RoM) 0.78, CrI 0.64-0.95; moderate certainty) and compared to antipsychotics (RoM 0.76, CrI 0.61-0.98; low certainty). Sedative interruption, protocolized sedation and opioids may reduce hospital length of stay compared to placebo, but the evidence is very uncertain. No intervention influenced mechanical ventilation duration, mortality, or arrhythmia. Single and multi-component non-pharmacological interventions did not connect to any evidence networks to allow for ranking and comparisons as planned; pairwise comparisons did not detect differences compared to standard care. CONCLUSION Compared to placebo and benzodiazepines, we found dexmedetomidine likely reduced the occurrence of delirium in critically ill adults. Compared to benzodiazepines, sedation-minimization strategies may also reduce delirium occurrence, but the evidence is uncertain.
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Affiliation(s)
- Lisa D. Burry
- grid.416166.20000 0004 0473 9881Department of Pharmacy, Mount Sinai Hospital, Room 18-377, 600 University Avenue, Toronto, ON M5G 1X5 Canada ,grid.416166.20000 0004 0473 9881Department Medicine, Mount Sinai Hospital, Toronto, Canada ,grid.17063.330000 0001 2157 2938Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada
| | - Wei Cheng
- grid.47100.320000000419368710Department of Biostatistics, Yale School of Public Health, New Haven, CT USA
| | - David R. Williamson
- grid.14848.310000 0001 2292 3357Pharmacy Department, Université de Montréal, Montréal, Canada ,grid.414056.20000 0001 2160 7387Pharmacy Department and Research Centre, CIUSSS-NIM Hôpital du Sacré-Cœur de Montréal, Montréal, Canada
| | - Neill K. Adhikari
- grid.413104.30000 0000 9743 1587Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, Canada ,grid.17063.330000 0001 2157 2938Interdepartmental Division of Critical Care, University of Toronto, Toronto, Canada
| | - Ingrid Egerod
- grid.475435.4Intensive Care Unit 4131, Rigshospitalet, University of Copenhagen, Copenhagen Ø, Denmark
| | - Salmaan Kanji
- grid.412687.e0000 0000 9606 5108Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada ,grid.412687.e0000 0000 9606 5108Department of Pharmacy, The Ottawa Hospital, Ottawa, Canada
| | - Claudio M. Martin
- grid.412745.10000 0000 9132 1600Division of Critical Care, London Health Sciences Centre, London, Canada ,grid.39381.300000 0004 1936 8884Department of Medicine, The University of Western Ontario, London, Canada
| | - Brian Hutton
- grid.412687.e0000 0000 9606 5108Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada ,grid.28046.380000 0001 2182 2255School of Epidemiology and Public Health, University of Ottawa, Ottawa, Canada
| | - Louise Rose
- grid.13097.3c0000 0001 2322 6764Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King’s College London, London, UK
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19
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Deng LX, Cao L, Zhang LN, Peng XB, Zhang L. Non-pharmacological interventions to reduce the incidence and duration of delirium in critically ill patients: A systematic review and network meta-analysis. J Crit Care 2020; 60:241-248. [PMID: 32919363 DOI: 10.1016/j.jcrc.2020.08.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/12/2020] [Accepted: 08/18/2020] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To compare non-pharmacological interventions in their ability to prevent delirium in critically ill patients, and find the optimal regimen for treatment. METHODS Literature searches were conducted using PubMed, Embase, CINAHL, and Cochrane Library databases until the end of June 2019. We estimated the risk ratios (RRs) for the incidence of delirium and in-hospital mortality and found the mean difference (MD) for delirium duration and the length of ICU stay. The probabilities of interventions were ranked based on clinical outcomes. The study was registered on PROSPERO (CRD42020160757). RESULTS Twenty-six eligible studies were included in the network meta-analysis. Studies were grouped into seven intervention types: physical environment intervention (PEI), sedation reducing (SR), family participation (FP), exercise program (EP), cerebral hemodynamics improving (CHI), multi-component studies (MLT) and usual care (UC). In term of reducing the incidence of delirium, the two most effective interventions were FP (risk ratio (RR) 0.19, 95% confidence interval (CI) 0.08 to 0.44; surface under the cumulative ranking curve (SUCRA) = 94%) and MLT (RR 0.43, 95% CI 0.30 to 0.57; SUCRA = 68%) compared with observation. Although all interventions demonstrated nonsignificant efficacy in regards to delirium duration and the length of the patient's stay in the ICU, MLT (SUCRA = 78.6% and 71.2%, respectively) was found to be the most effective intervention strategy. In addition, EP (SUCRA = 97.2%) facilitated a significant reduction in hospital mortality, followed in efficacy by MLT (SUCRA = 73.2%), CHI (SUCRA = 35.8%), PEI (SUCRA = 34.8%), and SR (SUCRA = 31.8%). CONCLUSIONS Multi-component strategies are overall the optimal intervention techniques for preventing delirium and reducing ICU length of stay in critically ill patients by way of utilizing several interventions simultaneously. Additionally, family participation as a method of patient-centered care resulted in better outcomes for reducing the incidence of delirium.
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Affiliation(s)
- Lu-Xi Deng
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, China.
| | - Lan Cao
- Teaching and Research Section of Clinical Nursing, Xiangya Hospital, Central South University, China.
| | - Li-Na Zhang
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, China
| | - Xiao-Bei Peng
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, China
| | - Lei Zhang
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, China
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20
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Jobanputra AM, Scharf MT, Androulakis IP, Sunderram J. Circadian Disruption in Critical Illness. Front Neurol 2020; 11:820. [PMID: 32849248 PMCID: PMC7431488 DOI: 10.3389/fneur.2020.00820] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 06/30/2020] [Indexed: 12/12/2022] Open
Abstract
Circadian rhythms play a vital role in metabolic, hormonal, and immunologic function and are often disrupted in patients in the ICU. Circadian rhythms modulate the molecular machinery that responds to injury and illness which can impact recovery. Potential factors contributing to the alteration in circadian rhythmicity in intensive care unit (ICU) patients include abnormal lighting, noise, altered feeding schedules, extensive patient care interactions and medications. These alterations in circadian rhythms in ICU patients may affect outcomes and therefore, normalization of circadian rhythmicity in critically ill patients may be an important part of ICU care.
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Affiliation(s)
- Aesha M Jobanputra
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, United States
| | - Matthew T Scharf
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, United States.,Department of Neurology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, United States
| | - Ioannis P Androulakis
- Biomedical Engineering Department, Rutgers University, Piscataway, NJ, United States.,Chemical and Biochemical Engineering Department, Rutgers University, Piscataway, NJ, United States.,Department of Surgery, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, United States
| | - Jag Sunderram
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, United States
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21
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Cooke M, Ritmala-Castrén M, Dwan T, Mitchell M. Effectiveness of complementary and alternative medicine interventions for sleep quality in adult intensive care patients: A systematic review. Int J Nurs Stud 2020; 107:103582. [PMID: 32380262 DOI: 10.1016/j.ijnurstu.2020.103582] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 03/15/2020] [Accepted: 03/17/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND Pharmacological interventions for sleep (analgesic, sedative and hypnotic agents) can both disrupt and induce sleep and have many negative side effects within the intensive care population. The use of complementary and alternative medicine therapies to assist with sleep has been studied but given the variety of modalities and methodological limitations no reliable conclusions have been drawn. OBJECTIVE To synthesise research findings regarding the effectiveness of using complementary and alternative medicine interventions within the domains of mind and body practices (relaxation techniques, acupuncture) and natural biologically based products (herbs, vitamins, minerals, probiotics) on sleep quality and quantity in adult intensive care patients. REVIEW METHOD USED Systematic review. DATA SOURCES Five databases were searched in August 2018 and updated in February 2019 and 2020. REVIEW METHODS Searches were limited to peer reviewed randomised controlled trials, published in English involving adult populations in intensive care units. Interventions were related to the complementary and alternative medicine domains of mind and body practices and natural products. Included studies were assessed using Cochrane's risk of bias tool. RESULTS Seventeen studies were included. The interventions used varied: 4 investigated melatonin; 4 music +/- another therapy; 3 acupressure; 2 aromatherapy and 1 each for relaxation and imagery, reflexology, bright light exposure and inspiratory muscle training. Measurement of sleep quantity and quality was also varied: 5 studies used objective measures such as Polysomnography and Bispectral index with the remaining using subjective patient or clinician assessment (for example, Richards-Campbell Sleep Questionnaire, Pittsburgh Sleep Quality Index, observation). Given the different interventions, outcomes and measures used in the studies a meta-analysis was not possible. Generally, the results support the use of complementary and alternative medicine for assisting with sleep with 11 out of 17 trials reporting significant results for the interventions examined. CONCLUSIONS Complementary and alternative medicine interventions, in particular, melatonin and music, have shown promise for improving sleep in adults with critical conditions; however, further research that addresses the limitations of small sample sizes and improved techniques for measuring sleep is needed.
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Affiliation(s)
- Marie Cooke
- School of Nursing and Midwifery and Menzies Health Institute Queensland, Griffith University, 170 Kessels Road, Nathan QLD 4111, Australia.
| | | | - Toni Dwan
- Artius Health, Labrador QLD 4215, Australia
| | - Marion Mitchell
- Nathan Qld 4111. Princess Alexandra Hospital, Department of Emergency Medicine, Ipswich Rd, School of Nursing and Midwifery and Menzies Health Institute Queensland, Griffith University, Wooloongabba, QLD 4102, Australia
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22
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Dezube AR, Bravo-Iñiguez CE, Yelamanchili N, De León LE, Tarascio J, Jaklitsch MT, Wee JO. Risk factors for delirium after esophagectomy. J Surg Oncol 2020; 121:645-653. [PMID: 31919865 DOI: 10.1002/jso.25835] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 12/28/2019] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Postoperative delirium is a common complication after major surgical procedures and affects outcomes and long-term survival. We identified factors associated with postoperative delirium in patients undergoing esophagectomy. METHODS Retrospective cohort analysis of 378 patients undergoing esophagectomy. We examined the association between postoperative delirium (DSM-V) criteria with respect to baseline variables and postoperative complications. RESULTS Postoperative delirium was diagnosed in 64 (16.93%) patients and associated with increasing age (P < .05), chronic obstructive pulmonary disease (P = .07), pneumonia (P = .01), transfusion intraoperatively or within 72 hours of surgery (P < .001), and sepsis (P = .001). Unplanned intubation and increased length of stay (median, 14 days) were significant in patients with delirium (P = .001 and P < .001, respectively). In a secondary analysis, surgical technique and operative approach were associated with delirium. Modified McKeown (three-hole) esophagectomy was twice more likely to develop delirium compared with Ivor Lewis (odds ratio [OR], 2.09; 95% confidence interval [CI], 1.03-4.23). The strongest association was found between delirium and open techniques (thoracotomy and laparotomy) as compared with minimally invasive techniques (thoracoscopy and laparoscopy) (OR, 2.66; 95% CI, 1.22-5.76). Survival was similar between both groups. CONCLUSIONS Postoperative delirium is common and associated with complications following esophagectomy. Identification of predisposing factors such as age and pre-existing pulmonary diseases and proper selection of surgical treatment may reduce delirium and improve surgical outcomes.
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Affiliation(s)
- Aaron R Dezube
- Division of Thoracic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Carlos E Bravo-Iñiguez
- Division of Thoracic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Nitya Yelamanchili
- Division of Thoracic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Luis E De León
- Division of Thoracic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Jeffrey Tarascio
- Division of Thoracic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Michael T Jaklitsch
- Division of Thoracic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Jon O Wee
- Division of Thoracic Surgery, Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
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23
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Promoting sleep and circadian health may prevent postoperative delirium: A systematic review and meta-analysis of randomized clinical trials. Sleep Med Rev 2019; 48:101207. [DOI: 10.1016/j.smrv.2019.08.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 08/04/2019] [Accepted: 08/06/2019] [Indexed: 12/28/2022]
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24
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Clinical Practice Guidelines for the Prevention and Management of Pain, Agitation/Sedation, Delirium, Immobility, and Sleep Disruption in Adult Patients in the ICU. Crit Care Med 2019; 46:e825-e873. [PMID: 30113379 DOI: 10.1097/ccm.0000000000003299] [Citation(s) in RCA: 1808] [Impact Index Per Article: 361.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To update and expand the 2013 Clinical Practice Guidelines for the Management of Pain, Agitation, and Delirium in Adult Patients in the ICU. DESIGN Thirty-two international experts, four methodologists, and four critical illness survivors met virtually at least monthly. All section groups gathered face-to-face at annual Society of Critical Care Medicine congresses; virtual connections included those unable to attend. A formal conflict of interest policy was developed a priori and enforced throughout the process. Teleconferences and electronic discussions among subgroups and whole panel were part of the guidelines' development. A general content review was completed face-to-face by all panel members in January 2017. METHODS Content experts, methodologists, and ICU survivors were represented in each of the five sections of the guidelines: Pain, Agitation/sedation, Delirium, Immobility (mobilization/rehabilitation), and Sleep (disruption). Each section created Population, Intervention, Comparison, and Outcome, and nonactionable, descriptive questions based on perceived clinical relevance. The guideline group then voted their ranking, and patients prioritized their importance. For each Population, Intervention, Comparison, and Outcome question, sections searched the best available evidence, determined its quality, and formulated recommendations as "strong," "conditional," or "good" practice statements based on Grading of Recommendations Assessment, Development and Evaluation principles. In addition, evidence gaps and clinical caveats were explicitly identified. RESULTS The Pain, Agitation/Sedation, Delirium, Immobility (mobilization/rehabilitation), and Sleep (disruption) panel issued 37 recommendations (three strong and 34 conditional), two good practice statements, and 32 ungraded, nonactionable statements. Three questions from the patient-centered prioritized question list remained without recommendation. CONCLUSIONS We found substantial agreement among a large, interdisciplinary cohort of international experts regarding evidence supporting recommendations, and the remaining literature gaps in the assessment, prevention, and treatment of Pain, Agitation/sedation, Delirium, Immobility (mobilization/rehabilitation), and Sleep (disruption) in critically ill adults. Highlighting this evidence and the research needs will improve Pain, Agitation/sedation, Delirium, Immobility (mobilization/rehabilitation), and Sleep (disruption) management and provide the foundation for improved outcomes and science in this vulnerable population.
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25
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Schwab KE, To AQ, Chang J, Ronish B, Needham DM, Martin JL, Kamdar BB. Actigraphy to Measure Physical Activity in the Intensive Care Unit: A Systematic Review. J Intensive Care Med 2019; 35:1323-1331. [PMID: 31331220 DOI: 10.1177/0885066619863654] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE In the intensive care unit (ICU), prolonged inactivity is common, increasing patients' risk for adverse outcomes, including ICU-acquired weakness. Hence, interventions to minimize inactivity are gaining popularity, highlighting actigraphy, a measure of activity involving a wristwatch-like accelerometer, as a method to inform these efforts. Therefore, we performed a systematic review of studies that used actigraphy to measure patient activity in the ICU setting. DATA SOURCES We searched PubMed, EMBASE, CINAHL, Cochrane Library, and ProQuest from inception until December 2016. STUDY SELECTION Two reviewers independently screened studies for inclusion. A study was eligible for inclusion if it was published in a peer-reviewed journal and used actigraphy to measure activity in ≥5 ICU patients. DATA EXTRACTION Two reviewers independently performed data abstraction and risk of bias assessment. Abstracted actigraphy-based activity data included total activity time and activity counts. RESULTS Of 16 studies (607 ICU patients) identified, 14 (88%) were observational, 2 (12%) were randomized control trials, and 5 (31%) were published after 2009. Mean patient activity levels per 15 to 60 second epoch ranged from 25 to 37 daytime and 2 to 19 nighttime movements. Actigraphy was evaluated in the context of ICU and post-ICU outcomes in 11 (69%) and 5 (31%) studies, respectively, and demonstrated potential associations between actigraphy-based activity levels and delirium, sedation, pain, anxiety, time to extubation, and length of stay. CONCLUSION Actigraphy has demonstrated that patients are profoundly inactive in the ICU with actigraphy-based activity levels potentially associated with important measures, such as delirium, sedation, and length of stay. Larger and more rigorous studies are needed to further evaluate these associations and the overall utility of actigraphy in the ICU setting.
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Affiliation(s)
- Kristin E Schwab
- Division of Pulmonary and Critical Care Medicine, David Geffen School of Medicine at UCLA, 8783University of California, Los Angeles, CA, USA
| | - An Q To
- Division of Pulmonary and Critical Care Medicine, David Geffen School of Medicine at UCLA, 8783University of California, Los Angeles, CA, USA
| | - Jennifer Chang
- Department of Medicine, David Geffen School of Medicine at UCLA, 8783University of California, Los Angeles, CA, USA
| | - Bonnie Ronish
- Division of Pulmonary and Critical Care Medicine, 7060University of Utah, Salt Lake City, UT, USA
| | - Dale M Needham
- Division of Pulmonary and Critical Care Medicine, 1466Johns Hopkins University, Baltimore, MD, USA.,Department of Physical Medicine and Rehabilitation, 1466Johns Hopkins University, Baltimore, MD, USA
| | - Jennifer L Martin
- Department of Medicine, David Geffen School of Medicine at UCLA, 8783University of California, Los Angeles, CA, USA.,Geriatric Research, Education and Clinical Center, VA Greater Los Angeles Healthcare System, Los Angeles, CA, USA
| | - Biren B Kamdar
- Division of Pulmonary, Critical Care and Sleep Medicine, UC San Diego 8784(UCSD) School of Medicine, University of California, San Diego, CA, USA
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26
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Korompeli A, Kavrochorianou N, Molcan L, Muurlink O, Boutzouka E, Myrianthefs P, Fildissis G. Light affects heart rate's 24‐h rhythmicity in intensive care unit patients: an observational study. Nurs Crit Care 2019; 24:320-325. [DOI: 10.1111/nicc.12433] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 04/08/2019] [Accepted: 04/10/2019] [Indexed: 12/26/2022]
Affiliation(s)
- Anna Korompeli
- National and Kapodistrian University of AthensUniversity ICU, Ag. Anargyroi General Hospital Athens Greece
| | - Nadia Kavrochorianou
- National and Kapodistrian University of AthensUniversity ICU, Ag. Anargyroi General Hospital Athens Greece
| | - Lubos Molcan
- Department of Animal Physiology and Ethology, Faculty of Natural SciencesComenius University Bratislava Slovakia
| | - Olav Muurlink
- Central Queensland University, BrisbaneGriffith Institute of Educational Research Brisbane Queensland Australia
| | - Eleni Boutzouka
- National and Kapodistrian University of AthensUniversity ICU, Ag. Anargyroi General Hospital Athens Greece
| | - Pavlos Myrianthefs
- National and Kapodistrian University of AthensUniversity ICU, Ag. Anargyroi General Hospital Athens Greece
| | - Georgios Fildissis
- National and Kapodistrian University of AthensUniversity ICU, Ag. Anargyroi General Hospital Athens Greece
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Increasing Light Exposure for the Prevention of Delirium: A Systematic Review. Dimens Crit Care Nurs 2019; 38:96-107. [PMID: 30702479 DOI: 10.1097/dcc.0000000000000343] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Delirium is a neurological disorder with correlations to increased hospital length of stays and higher morbidity and mortality rates, particularly in the growing elderly population, making prevention strategies key in improving patient outcomes and health care systems. OBJECTIVES Does increased exposure to light, by artificial or natural means, decrease the incidence of delirium? METHODS A systematic review was conducted of 4 revered databases, CINAHL, PubMed, PsycINFO, and Scopus, for articles related to key words "delirium" and "lighting" or "daylight" or "natural light" or "bright light" or "sunlight." Results were narrowed to adult inpatients, defined as age older than 18 years. After limiting for quality of the study and content that addressed the objective, 7 articles were selected for review: 4 related to artificial means of light therapy and 3 consistent with increased exposure to natural light. RESULTS Two studies examined the effects of bright light therapy and reported a decreased incidence of delirium. Two studies researched whether increased lighting via a lighting system with varying degrees of intensity throughout the day would prevent delirium, and neither reported a decrease in delirium. The remaining 3 studies focused on whether increased natural light via windows decreased the occurrence of delirium and uncovered no correlation. DISCUSSION It is recommended that the study by Potharajaroen et al, which demonstrated significant findings for bright light therapy preventing delirium, be replicated as well as new pilot studies to enrich the growing body of research. Bright light therapy is a low-cost and easy-to-institute intervention that should be utilized on a case-to-case basis.
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Bannon L, McGaughey J, Verghis R, Clarke M, McAuley DF, Blackwood B. The effectiveness of non-pharmacological interventions in reducing the incidence and duration of delirium in critically ill patients: a systematic review and meta-analysis. Intensive Care Med 2019; 45:1-12. [PMID: 30506354 DOI: 10.1007/s00134-018-5452-x] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 11/03/2018] [Indexed: 12/20/2022]
Abstract
PURPOSE To evaluate the effect of non-pharmacological interventions versus standard care on incidence and duration of delirium in critically ill patients. METHODS We searched electronic and grey literature for randomised clinical trials up to March 2018. Two reviewers independently screened, selected and extracted data. Meta-analysis was undertaken using random effects modelling. RESULTS We identified 15 trials (2812 participants). Eleven trials reported incidence of delirium. Pooled data from four trials of bright light therapy showed no significant effect between groups (n = 829 participants, RR 0.45, 99% CI 0.10-2.13, P = 0.19, very low quality evidence). Seven trials of various individual interventions also failed to report any significant effects. A total of eight trials reported duration of delirium. Pooled data from two trials of multicomponent physical therapy showed no significant effect [n = 404 participants, MD (days) - 0.65, 99% CI - 2.73 to 1.44, P = 0.42, low quality of evidence]. Four trials of various individual interventions also reported no significant effects. A trial of family voice reorientation showed a beneficial effect [n = 30, MD (days) - 1.30, 99% CI - 2.41 to - 0.19, P = 0.003, very low quality evidence]. CONCLUSIONS Current evidence does not support the use of non-pharmacological interventions in reducing incidence and duration of delirium in critically ill patients. Future research should consider well-designed and well-described multicomponent interventions and include adequately defined outcome measures.
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Affiliation(s)
- Leona Bannon
- School of Medicine, Dentistry and Biomedical Sciences, Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, UK.
| | - Jennifer McGaughey
- School of Nursing and Midwifery, Queen's University Belfast, Belfast, UK
| | - Rejina Verghis
- School of Medicine, Dentistry and Biomedical Sciences, Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, UK
| | - Mike Clarke
- Centre for Public Health, School of Medicine, Dentistry and Biomedical Science, Queen's University Belfast, Belfast, UK
| | - Daniel F McAuley
- School of Medicine, Dentistry and Biomedical Sciences, Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, UK
| | - Bronagh Blackwood
- School of Medicine, Dentistry and Biomedical Sciences, Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, UK
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Effect of dynamic light at the coronary care unit on the length of hospital stay and development of delirium: a retrospective cohort study. JOURNAL OF GERIATRIC CARDIOLOGY : JGC 2018; 15:567-573. [PMID: 30344540 PMCID: PMC6188980 DOI: 10.11909/j.issn.1671-5411.2018.09.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Background Disturbed circadian rhythm is a potential cause of delirium and is linked to disorganisation of the circadian rhythmicity. Dynamic light (DL) could reset the circadian rhythm by activation of the suprachiasmatic nucleus to prevent delirium. Evidence regarding the effects of light therapy is predominantly focused on psychiatric disorders and circadian rhythm sleep disorders. In this study, we investigated the effect of DL on the total hospital length of stay (LOS) and occurrence of delirium in patients admitted to the Coronary Care Unit (CCU). Methods This was a retrospective cohort study. Patients older than 18 years, who were hospitalized longer than 12 h at the CCU and had a total hospital LOS for at least 24 h, were included. Patients were assigned to a room with DL (n = 369) or regular lighting conditions (n = 379). DL was administered at the CCU by two ceiling-mounted light panels delivering light with a colour temperature between 2700 and 6500 degrees Kelvin. Reported outcome data were: total hospital LOS, delirium incidence, consultation of a geriatrician and the amount of prescripted antipsychotics. Results Between May 2015 and May 2016, data from 748 patients were collected. Baseline characteristics, including risk factors provoking delirium, were equal in both groups. Median total hospital LOS in the DL group was 100.5 (70.8–186.0) and 101.0 (73.0–176.4) h in the control group (P = 0.935). The incidence of delirium in the DL and control group was 5.4% (20/369) and 5.0% (19/379), respectively (P = 0.802). No significant differences between the DL and control group were observed in secondary endpoints. Subgroup analysis based on age and CCU LOS also showed no differences. Conclusion Our study suggests exposure to DL as an early single approach does not result in a reduction of total hospital LOS or reduced incidence of delirium. When delirium was diagnosed, it was associated with poor hospital outcome.
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Smithburger PL, Korenoski AS, Kane-Gill SL, Alexander SA. Perceptions of Family Members, Nurses, and Physicians on Involving Patients' Families in Delirium Prevention. Crit Care Nurse 2018; 37:48-57. [PMID: 29196587 DOI: 10.4037/ccn2017901] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND Delirium occurs in up to 80% of patients admitted to an intensive care unit. Nonpharmacologic delirium-prevention strategies, which are commonly used by the bedside nurse, have reduced the incidence and duration of delirium in patients in the intensive care unit. With increasing demands on the nurse, strategies such as including the patient's family in delirium prevention activities should be investigated. OBJECTIVE To determine opinions and willingness of health care providers to involve patients' families in nonpharmacologic delirium-prevention activities in the intensive care unit, and of patients' families to be involved. METHODS Two surveys, one for intensive care unit nurses and physicians and one for patients' families, were developed and administered. The provider survey focused on current delirium-prevention practices and opinions about family involvement. The family survey concentrated on barriers and willingness to participate in prevention activities. RESULTS Sixty nurses and 58 physicians completed the survey. Most physicians (93%) and all nurses believed families could assist with delirium prevention. Only 50% reported speaking with family members about delirium and delirium prevention. The family survey was completed by 60 family members; 38% reported a provider spoke with them about delirium. Family members reported high levels of comfort in participating in delirium-prevention activities. CONCLUSIONS Health care providers and family members are supportive of the latter performing delirium-prevention activities. Family of patients in the intensive care unit may work collaboratively with nurses to reduce the incidence and duration of delirium in these patients.
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Affiliation(s)
- Pamela L Smithburger
- Pamela L. Smithburger is an associate professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania. She practices in the medical intensive care unit at UPMC Presbyterian Hospital, Pittsburgh, Pennsylvania. .,Amanda S. Korenoski is an assistant professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy. She is also the managing director of the Pittsburgh Poison Center, Pittsburgh, Pennsylvania. .,Sandra L. Kane-Gill is an associate professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy. .,Sheila A. Alexander is an associate professor of Acute and Tertiary Care Nursing at the University of Pittsburgh School of Nursing, Pittsburgh, Pennsylvania.
| | - Amanda S Korenoski
- Pamela L. Smithburger is an associate professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania. She practices in the medical intensive care unit at UPMC Presbyterian Hospital, Pittsburgh, Pennsylvania.,Amanda S. Korenoski is an assistant professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy. She is also the managing director of the Pittsburgh Poison Center, Pittsburgh, Pennsylvania.,Sandra L. Kane-Gill is an associate professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy.,Sheila A. Alexander is an associate professor of Acute and Tertiary Care Nursing at the University of Pittsburgh School of Nursing, Pittsburgh, Pennsylvania
| | - Sandra L Kane-Gill
- Pamela L. Smithburger is an associate professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania. She practices in the medical intensive care unit at UPMC Presbyterian Hospital, Pittsburgh, Pennsylvania.,Amanda S. Korenoski is an assistant professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy. She is also the managing director of the Pittsburgh Poison Center, Pittsburgh, Pennsylvania.,Sandra L. Kane-Gill is an associate professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy.,Sheila A. Alexander is an associate professor of Acute and Tertiary Care Nursing at the University of Pittsburgh School of Nursing, Pittsburgh, Pennsylvania
| | - Sheila A Alexander
- Pamela L. Smithburger is an associate professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania. She practices in the medical intensive care unit at UPMC Presbyterian Hospital, Pittsburgh, Pennsylvania.,Amanda S. Korenoski is an assistant professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy. She is also the managing director of the Pittsburgh Poison Center, Pittsburgh, Pennsylvania.,Sandra L. Kane-Gill is an associate professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy.,Sheila A. Alexander is an associate professor of Acute and Tertiary Care Nursing at the University of Pittsburgh School of Nursing, Pittsburgh, Pennsylvania
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Schwab KE, Ronish B, Needham DM, To AQ, Martin JL, Kamdar BB. Actigraphy to Evaluate Sleep in the Intensive Care Unit. A Systematic Review. Ann Am Thorac Soc 2018; 15:1075-1082. [PMID: 29944386 PMCID: PMC6322043 DOI: 10.1513/annalsats.201801-004oc] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 06/23/2018] [Indexed: 12/27/2022] Open
Abstract
RATIONALE Poor sleep quality is common in the intensive care unit (ICU) and may be associated with adverse outcomes. Hence, ICU-based efforts to promote sleep are gaining attention, motivating interest in methods to measure sleep in critically ill patients. Actigraphy evaluates rest and activity by algorithmically processing gross motor activity data, usually collected by a noninvasive wristwatch-like accelerometer device. In critically ill patients, actigraphy has been used as a surrogate measure of sleep; however, its use has not been systematically reviewed. OBJECTIVES To conduct a systematic review of ICU-based studies that used actigraphy as a surrogate measure of sleep, including its feasibility, validity, and reliability as a measure of sleep in critically ill patients. METHODS We searched PubMed, EMBASE, CINAHL, Proquest, and Web of Science for studies that used actigraphy to evaluate sleep in five or more patients in an ICU setting. RESULTS Our search yielded 4,869 citations, with 13 studies meeting eligibility criteria. These 13 studies were conducted in 10 countries, and eight (62%) were published since 2008. Across the 13 studies, the mean total sleep time of patients in the ICU, as estimated using actigraphy, ranged from 4.4 to 7.8 hours at nighttime and from 7.1 to 12.1 hours over a 24-hour period, with 1.4 to 49.0 mean nocturnal awakenings and a sleep efficiency of 61 to 75%. When compared side-by-side with other measures of sleep (polysomnography, nurse assessments, and patient questionnaires), actigraphy consistently yielded higher total sleep time and sleep efficiency, fewer nighttime awakenings (vs. polysomnography), and more overall awakenings (vs. nurse assessment and patient questionnaires). None of the studies evaluated the association between actigraphy-based measures of sleep and outcomes of patients in the ICU. CONCLUSIONS In critically ill patients, actigraphy is being used more frequently as a surrogate measure of sleep; however, because actigraphy only measures gross motor activity, its ability to estimate sleep is limited by the processing algorithm used. Prior ICU-based studies involving actigraphy were heterogeneous and lacked data regarding actigraphy-based measures of sleep and patient outcomes. Larger, more rigorous and standardized studies are needed to better understand the role of actigraphy in evaluating sleep and sleep-related outcomes in critically ill patients.
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Affiliation(s)
| | - Bonnie Ronish
- Department of Medicine, David Geffen School of Medicine at UCLA, University of California, Los Angeles, Los Angeles, California
- Division of Pulmonary and Critical Care Medicine, University of Utah, Salt Lake City, Utah
| | - Dale M. Needham
- Division of Pulmonary and Critical Care Medicine, and
- Department of Physical Medicine and Rehabilitation, Johns Hopkins University, Baltimore, Maryland; and
| | - An Q. To
- Division of Pulmonary and Critical Care Medicine, and
| | - Jennifer L. Martin
- Department of Medicine, David Geffen School of Medicine at UCLA, University of California, Los Angeles, Los Angeles, California
- Geriatric Research, Education and Clinical Center, and
| | - Biren B. Kamdar
- Division of Pulmonary and Critical Care Medicine, and
- Department of Medicine, VA Greater Los Angeles Healthcare System, Los Angeles, California
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Watanabe M, Okamura A, Toihata T, Yamashita K, Yuda M, Hayami M, Fukudome I, Imamura Y, Mine S. Recent progress in perioperative management of patients undergoing esophagectomy for esophageal cancer. Esophagus 2018; 15:160-164. [PMID: 29951987 DOI: 10.1007/s10388-018-0617-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 04/17/2018] [Indexed: 02/03/2023]
Abstract
Esophagectomy remains the mainstay of curative intent treatment for esophageal cancer. Oncologic esophagectomy is a highly invasive surgery and both morbidity and mortality rates still remain high. Recently, it has been revealed that multidisciplinary perioperative management can decrease the postoperative complications after esophagectomy. In this review, we summarized the recent progress in each component of multidisciplinary perioperative care bundle, including oral hygiene, cessation of smoking and alcohol, respiratory training, measurement of physical fitness, swallowing evaluation and rehabilitation, nutritional support, pain control and management of delirium. The accumulation of evidence and the popularization of knowledge will increase safety of esophagectomy and thus improve the outcome of patients with esophageal cancer.
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Affiliation(s)
- Masayuki Watanabe
- Esophageal Cancer Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan.
| | - Akihiko Okamura
- Esophageal Cancer Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan
| | - Tasuku Toihata
- Esophageal Cancer Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan
| | - Kotaro Yamashita
- Esophageal Cancer Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan
| | - Masami Yuda
- Esophageal Cancer Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan
| | - Masaru Hayami
- Esophageal Cancer Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan
| | - Ian Fukudome
- Esophageal Cancer Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan
| | - Yu Imamura
- Esophageal Cancer Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan
| | - Shinji Mine
- Esophageal Cancer Division, Department of Gastroenterological Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan
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Bright light and oxygen therapies decrease delirium risk in critically ill surgical patients by targeting sleep and acid-base disturbances. Psychiatry Res 2018; 261:21-27. [PMID: 29276990 DOI: 10.1016/j.psychres.2017.12.046] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 11/07/2017] [Accepted: 12/16/2017] [Indexed: 12/20/2022]
Abstract
This study examined the effects of bright light therapy (BLT) on the incidence of delirium in post-operative patients admitted to a surgical intensive care unit (SICU) and delineates risk and protective factors. We included 62 patients in a single-blind, randomized controlled study. The intervention group was treated with care as usual plus BLT for three consecutive days. Delirium was diagnosed by DSM-5 criteria with the Confusion Assessment Method-Intensive Care Unit (CAM-ICU). Risk factors for delirium were measured, including the APACHE II score, Insomnia Severity Index (ISI), as well as hematocrit and bicarbonate levels. Results were adjusted for treatment with nasal cannula oxygen and medications. Thirteen patients developed delirium within the three days following surgery. Generalized estimating equations analysis showed a significant preventive effect of BLT on delirium, which was independent of risk or treatment factors. Higher APACHE-II and ISI scores, lower hematocrit and lower bicarbonate levels increased the risk of developing delirium. BLT plus nasal cannula oxygen significantly reduced the likelihood of delirium. BLT significantly lowered ISI scores, while nasal cannula oxygen significantly enhanced bicarbonate levels. The results indicate that BLT and supplementary oxygen therapy may protect against delirium by targeting sleep-wake and deficits in the bicarbonate buffer system.
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Smithburger PL, Korenoski AS, Alexander SA, Kane-Gill SL. Perceptions of Families of Intensive Care Unit Patients Regarding Involvement in Delirium-Prevention Activities: A Qualitative Study. Crit Care Nurse 2017; 37:e1-e9. [DOI: 10.4037/ccn2017485] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND
Nonpharmacologic delirium-prevention strategies are commonly used in the intensive care unit by bedside nurses. With up to 80% of intensive care unit patients becoming delirious, and lacking treatment options, prevention is key. However, with increasing nurse workloads, innovative delirium-prevention strategies such as involving the patient’s family are needed.
OBJECTIVE
To gain insight into opinions of patients’ families regarding active participation in delirium-prevention activities to inform specific recommendations for involving patients’ families in such activities.
METHODS
Purposeful sampling was used. Patients’ families were contacted to be interviewed about their opinions and attitudes on participation in nonpharmacologic delirium prevention activities while visiting the intensive care unit. An interview guide was created and used to facilitate discussion. Interviews were conducted, transcribed verbatim, and coded by 2 independent coders. Themes were identified, defined, and compared between independent coders; disagreements were resolved by the study team.
RESULTS
After 10 interviews were conducted, thematic saturation occurred. Three major themes emerged: (1) consistent family presence and participation in care, (2) improving ease of interactions between family and patient, and (3) delirium education for families.
CONCLUSION
Family members want to be involved with care and delirium prevention; however, many times they do not know what to do without the direction of a health care provider. Family members would benefit from open dialogue with the bedside nurse to increase family comfort and involvement in care.
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Affiliation(s)
- Pamela L. Smithburger
- Pamela L. Smithburger is an associate professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy, Pennsylvania. She practices in the medical intensive care unit at UPMC Presbyterian Hospital, Pittsburgh, Pennsylvania
| | - Amanda S. Korenoski
- Amanda S. Korenoski is an assistant professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy, Pennsylvania. She is also the managing director of the Pittsburgh Poison Center, Pennsylvania
| | - Sheila A. Alexander
- Sheila A. Alexander is an associate professor of Acute and Tertiary Care Nursing at the University of Pittsburgh School of Nursing, Pennsylvania
| | - Sandra L. Kane-Gill
- Sandra L. Kane-Gill is an associate professor of Pharmacy and Therapeutics at the University of Pittsburgh School of Pharmacy, Pennsylvania
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Luther R, McLeod A. The effect of chronotherapy on delirium in critical care - a systematic review. Nurs Crit Care 2017; 23:283-290. [PMID: 28508438 DOI: 10.1111/nicc.12300] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 04/17/2017] [Accepted: 04/18/2017] [Indexed: 12/31/2022]
Abstract
BACKGROUND Delirium is highly prevalent within critical care and is linked to adverse clinical outcomes, increased mortality and impaired quality of life. Development of delirium is thought to be caused by multiple risk factors, including disruption of the circadian rhythm. Chronotherapeutic interventions, such as light therapy, music and use of eye shades, have been suggested as an option to improve circadian rhythm within intensive care units. AIM This review aims to answer the question: Can chronotherapy reduce the prevalence of delirium in adult patients in critical care? DESIGN This study is a systematic review of quantitative studies. RESEARCH METHOD Six major electronic databases were searched, and a hand search was undertaken using selected key search terms. Research quality was assessed using the critical appraisal skills programme tools. The studies were critically appraised by both authors independently, and data were extracted. Four themes addressing the research question were identified and critically evaluated. FINDINGS Six primary research articles that investigated different methods of chronotherapy were identified, and the results suggest that multi-component non-pharmacological interventions are the most effective for reducing the prevalence of delirium in critical care. The melatonergic agonist Ramelteon demonstrated statistically significant reductions in delirium; however, the reliability of the results in answering the review question was limited by the research design. The use of bright light therapy (BLT) and dynamic light application had mixed results, with issues with the research design and outcomes measured limiting the validity of the findings. CONCLUSION Multi-component non-pharmacological interventions, such as noise and light control, can reduce delirium in critical care, whereas other interventions, such as BLT, have mixed outcomes. Melatonin, as a drug, may be a useful alternative to sedative-hypnotics. RELEVANCE TO CLINICAL PRACTICE Chronotherapy can reduce the incidence of delirium within critical care, although further research is warranted. Staff education is essential in the implementation of chronotherapy.
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Affiliation(s)
- Roseanne Luther
- Acute Care Unit, Homerton University Hospital, Homerton NHS Trust, London, UK
| | - Anne McLeod
- Senior Lecturer in Critical Care, School of Health Sciences City, University of London, Northampton Square, London, UK
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Circadian disruption of ICU patients: A review of pathways, expression, and interventions. J Crit Care 2017; 38:269-277. [DOI: 10.1016/j.jcrc.2016.12.006] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 12/01/2016] [Accepted: 12/07/2016] [Indexed: 01/08/2023]
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Rivosecchi RM, Smithburger PL, Svec S, Campbell S, Kane-Gill SL. Nonpharmacological interventions to prevent delirium: an evidence-based systematic review. Crit Care Nurse 2016; 35:39-50; quiz 51. [PMID: 25639576 DOI: 10.4037/ccn2015423] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Development of delirium in critical care patients is associated with increased length of stay, hospital costs, and mortality. Delirium occurs across all inpatient settings, although critically ill patients who require mechanical ventilation are at the highest risk. Overall, evidence to support the use of antipsychotics to either prevent or treat delirium is lacking, and these medications can have adverse effects. The pain, agitation, and delirium guidelines of the American College of Critical Care Medicine provide the strongest level of recommendation for the use of nonpharmacological approaches to prevent delirium, but questions remain about which nonpharmacological interventions are beneficial.
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Affiliation(s)
- Ryan M Rivosecchi
- Ryan M. Rivosecchi is a second-year pharmacy resident in critical care at the University of Pittsburgh Medical Center, Presbyterian Hospital, Pittsburgh, Pennsylvania.Pamela L. Smithburger is an assistant professor of pharmacy and therapeutics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania, and a clinical specialist in the medical intensive care unit at the University of Pittsburgh Medical Center, Presbyterian Hospital.Susan Svec is the clinical director of the medical intensive care unit, University of Pittsburgh Medical Center, Presbyterian Hospital. She recently graduated from the master's of leadership and administration program at California University of Pennsylvania, California, Pennsylvania.Shauna Campbell is the nursing director of the medical intensive care unit at the University of Pittsburgh Medical Center, Presbyterian Hospital.Sandra L. Kane-Gill is an associate professor of pharmacy and therapeutics at the University of Pittsburgh School of Pharmacy. She has secondary appointments in the School of Medicine in the Clinical Translational Science Institute, Department of Critical Care Medicine, and the Department of Biomedical Informatics. She is also the critical care medication safety pharmacist at the University of Pittsburgh Medical Center in the Department of Pharmacy
| | - Pamela L Smithburger
- Ryan M. Rivosecchi is a second-year pharmacy resident in critical care at the University of Pittsburgh Medical Center, Presbyterian Hospital, Pittsburgh, Pennsylvania.Pamela L. Smithburger is an assistant professor of pharmacy and therapeutics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania, and a clinical specialist in the medical intensive care unit at the University of Pittsburgh Medical Center, Presbyterian Hospital.Susan Svec is the clinical director of the medical intensive care unit, University of Pittsburgh Medical Center, Presbyterian Hospital. She recently graduated from the master's of leadership and administration program at California University of Pennsylvania, California, Pennsylvania.Shauna Campbell is the nursing director of the medical intensive care unit at the University of Pittsburgh Medical Center, Presbyterian Hospital.Sandra L. Kane-Gill is an associate professor of pharmacy and therapeutics at the University of Pittsburgh School of Pharmacy. She has secondary appointments in the School of Medicine in the Clinical Translational Science Institute, Department of Critical Care Medicine, and the Department of Biomedical Informatics. She is also the critical care medication safety pharmacist at the University of Pittsburgh Medical Center in the Department of Pharmacy
| | - Susan Svec
- Ryan M. Rivosecchi is a second-year pharmacy resident in critical care at the University of Pittsburgh Medical Center, Presbyterian Hospital, Pittsburgh, Pennsylvania.Pamela L. Smithburger is an assistant professor of pharmacy and therapeutics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania, and a clinical specialist in the medical intensive care unit at the University of Pittsburgh Medical Center, Presbyterian Hospital.Susan Svec is the clinical director of the medical intensive care unit, University of Pittsburgh Medical Center, Presbyterian Hospital. She recently graduated from the master's of leadership and administration program at California University of Pennsylvania, California, Pennsylvania.Shauna Campbell is the nursing director of the medical intensive care unit at the University of Pittsburgh Medical Center, Presbyterian Hospital.Sandra L. Kane-Gill is an associate professor of pharmacy and therapeutics at the University of Pittsburgh School of Pharmacy. She has secondary appointments in the School of Medicine in the Clinical Translational Science Institute, Department of Critical Care Medicine, and the Department of Biomedical Informatics. She is also the critical care medication safety pharmacist at the University of Pittsburgh Medical Center in the Department of Pharmacy
| | - Shauna Campbell
- Ryan M. Rivosecchi is a second-year pharmacy resident in critical care at the University of Pittsburgh Medical Center, Presbyterian Hospital, Pittsburgh, Pennsylvania.Pamela L. Smithburger is an assistant professor of pharmacy and therapeutics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania, and a clinical specialist in the medical intensive care unit at the University of Pittsburgh Medical Center, Presbyterian Hospital.Susan Svec is the clinical director of the medical intensive care unit, University of Pittsburgh Medical Center, Presbyterian Hospital. She recently graduated from the master's of leadership and administration program at California University of Pennsylvania, California, Pennsylvania.Shauna Campbell is the nursing director of the medical intensive care unit at the University of Pittsburgh Medical Center, Presbyterian Hospital.Sandra L. Kane-Gill is an associate professor of pharmacy and therapeutics at the University of Pittsburgh School of Pharmacy. She has secondary appointments in the School of Medicine in the Clinical Translational Science Institute, Department of Critical Care Medicine, and the Department of Biomedical Informatics. She is also the critical care medication safety pharmacist at the University of Pittsburgh Medical Center in the Department of Pharmacy
| | - Sandra L Kane-Gill
- Ryan M. Rivosecchi is a second-year pharmacy resident in critical care at the University of Pittsburgh Medical Center, Presbyterian Hospital, Pittsburgh, Pennsylvania.Pamela L. Smithburger is an assistant professor of pharmacy and therapeutics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania, and a clinical specialist in the medical intensive care unit at the University of Pittsburgh Medical Center, Presbyterian Hospital.Susan Svec is the clinical director of the medical intensive care unit, University of Pittsburgh Medical Center, Presbyterian Hospital. She recently graduated from the master's of leadership and administration program at California University of Pennsylvania, California, Pennsylvania.Shauna Campbell is the nursing director of the medical intensive care unit at the University of Pittsburgh Medical Center, Presbyterian Hospital.Sandra L. Kane-Gill is an associate professor of pharmacy and therapeutics at the University of Pittsburgh School of Pharmacy. She has secondary appointments in the School of Medicine in the Clinical Translational Science Institute, Department of Critical Care Medicine, and the Department of Biomedical Informatics. She is also the critical care medication safety pharmacist at the University of Pittsburgh Medical Center in the Department of Pharmacy.
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Abstract
OBJECTIVES Circadian rhythms are severely disrupted among the critically ill. These circadian arrhythmias impair mentation, immunity, autonomic function, endocrine activity, hormonal signaling, and ultimately healing. In this review, we present a modern model of circadian disruption among the critically ill, discuss causes of these circadian arrhythmias, review observational and intervention studies of the effects of circadian-rhythm-restoring factors on medical outcomes, and identify needed key trials of circadian interventions in the critically ill. DATA SOURCES MEDLINE, EMBASE, PsychINFO, Google Scholar through December 2014. STUDY SELECTION Articles relevant to circadian rhythms, melatonin, and light in the critically ill were selected. DATA EXTRACTION AND DATA SYNTHESIS Articles were synthesized for this review of circadian arrhythmia and the use of circadian-rhythm-restoring interventions among the critically ill. CONCLUSIONS Circadian disruption often demonstrates serial degradation: initially, the amplitude attenuates along with delayed circadian phase. With increasing acuity of illness, circadian rhythmicity may be lost entirely. Causes of chronodisruption may be environmental or internal to the patient. In particular, inadequate daytime illumination and nocturnal light pollution disrupt healthy circadian periodicity. Internal causes of circadian arrhythmia include critical illness itself and subjective experience of distress and pain. Observational studies of windowed rooms and real-time ambient lighting have found that physiologic light-dark patterns may support recovery from critical illness. Studies of early morning bright light or evening melatonin agonists have found improved rates of delirium, enhanced sleep, and lower arrhythmia prevalence. The current evidence base emphasizes that lighting and melatoninergic interventions deserve to be tested in full-scale trials.
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Simons KS, Laheij RJF, van den Boogaard M, Moviat MAM, Paling AJ, Polderman FN, Rozendaal FW, Salet GAM, van der Hoeven JG, Pickkers P, de Jager CPC. Dynamic light application therapy to reduce the incidence and duration of delirium in intensive-care patients: a randomised controlled trial. THE LANCET RESPIRATORY MEDICINE 2016; 4:194-202. [PMID: 26895652 DOI: 10.1016/s2213-2600(16)00025-4] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 01/14/2016] [Accepted: 01/14/2016] [Indexed: 11/27/2022]
Abstract
BACKGROUND Disturbed circadian rhythm is a potentially modifiable cause of delirium among patients in intensive-care units (ICUs). Bright-light therapy in the daytime can realign circadian rhythm and reduce the incidence of delirium. We investigated whether a high-intensity dynamic light application (DLA) would reduce ICU-acquired delirium. METHODS This was a randomised, controlled, single-centre trial of medical and surgical patients admitted to the ICU of a teaching hospital in the Netherlands. Patients older than 18 years, expected to stay in the ICU longer than 24 h and who could be assessed for delirium were randomised to DLA or normal lighting (control), according to a computer-generated schedule. The DLA was administered through ceiling-mounted fluorescent tubes that delivered bluish-white light up to 1700 lux between 0900 h and 1600 h, except for 1130-1330 h, when the light was dimmed to 300 lux. The light could only be turned off centrally by investigators. Control light levels were 300 lux and lights could be turned on and off from inside the room. The primary endpoint was the cumulative incidence of ICU-acquired delirium. Analyses were by intention to treat and per protocol. The study was terminated prematurely after an interim analysis for futility. This study is registered with Clinicaltrials.gov, number NCT01274819. FINDINGS Between July 1, 2011, and Sept 9, 2013, 734 patients were enrolled, 361 in the DLA group and 373 in the control group. Delirium occurred in 137 (38%) of 361 DLA patients and 123 (33%) of 373 control patients (odds ratio 1·24, 95% CI 0·92-1·68, p=0·16). No adverse events were noted in patients or staff. INTERPRETATION DLA as a single intervention does not reduce the cumulative incidence of delirium. Bright-light therapy should be assessed as part of a multicomponent strategy. FUNDING None.
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Affiliation(s)
- Koen S Simons
- Department of Intensive Care Medicine, Jeroen Bosch Hospital, 's-Hertogenbosch, Netherlands; Department of Intensive Care Medicine, Radboud University, Nijmegen Medical Centre, Nijmegen, Netherlands.
| | - Robert J F Laheij
- Department of Intensive Care Medicine, Jeroen Bosch Hospital, 's-Hertogenbosch, Netherlands
| | - Mark van den Boogaard
- Department of Intensive Care Medicine, Radboud University, Nijmegen Medical Centre, Nijmegen, Netherlands
| | - Miriam A M Moviat
- Department of Intensive Care Medicine, Jeroen Bosch Hospital, 's-Hertogenbosch, Netherlands
| | - Anne J Paling
- Department of Intensive Care Medicine, Jeroen Bosch Hospital, 's-Hertogenbosch, Netherlands
| | - Florens N Polderman
- Department of Intensive Care Medicine, Jeroen Bosch Hospital, 's-Hertogenbosch, Netherlands
| | - Frans W Rozendaal
- Department of Intensive Care Medicine, Jeroen Bosch Hospital, 's-Hertogenbosch, Netherlands
| | - Geertruda A M Salet
- Department of Intensive Care Medicine, Jeroen Bosch Hospital, 's-Hertogenbosch, Netherlands
| | - Johannes G van der Hoeven
- Department of Intensive Care Medicine, Radboud University, Nijmegen Medical Centre, Nijmegen, Netherlands
| | - Peter Pickkers
- Department of Intensive Care Medicine, Radboud University, Nijmegen Medical Centre, Nijmegen, Netherlands
| | - Cornelis P C de Jager
- Department of Intensive Care Medicine, Jeroen Bosch Hospital, 's-Hertogenbosch, Netherlands
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Rivosecchi RM, Kane-Gill SL, Svec S, Campbell S, Smithburger PL. The implementation of a nonpharmacologic protocol to prevent intensive care delirium. J Crit Care 2016; 31:206-11. [DOI: 10.1016/j.jcrc.2015.09.031] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 08/19/2015] [Accepted: 09/05/2015] [Indexed: 01/09/2023]
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Abraha I, Rimland JM, Trotta F, Pierini V, Cruz-Jentoft A, Soiza R, O'Mahony D, Cherubini A. Non-Pharmacological Interventions to Prevent or Treat Delirium in Older Patients: Clinical Practice Recommendations The SENATOR-ONTOP Series. J Nutr Health Aging 2016; 20:927-936. [PMID: 27791223 DOI: 10.1007/s12603-016-0719-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
DESCRIPTION The ONTOP project aims to undertake a literature search of systematic reviews concerning evidence-based non-pharmacological interventions of prevalent medical conditions affecting older people, including delirium. OBJECTIVES To develop explicit and transparent recommendations for non-pharmacological interventions in older subjects at risk of developing delirium, as well as in older subjects with delirium, based on the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) approach to rating the quality of evidence and the strength of recommendations. METHODS A multidisciplinary panel was constituted comprising geriatricians, research nurse and a clinical epidemiologist. The panel developed a systematic overview of non-pharmacological interventions to prevent or treat delirium. The GRADE approach was used to rate the evidence and to formulate recommendations. RESULTS The critical outcomes were delirium incidence, for delirium prevention, and delirium improvement and functional status, for delirium treatment. The non-pharmacological interventions were identified and categorized as multicomponent and single component. Strong recommendations in favor of multicomponent interventions to prevent delirium, in surgical or medicals wards, were formulated. In the latter case the evidence applied to older patients at intermediate - high risk of developing delirium. Weak recommendations, to prevent delirium, were formulated for multicomponent interventions provided by family members (medical ward), staff education (medical ward), ear plugs (intensive care unit), reorientation protocol (intensive care unit), and the use of a software to perform drug review. Weak recommendations were provided for the use of multicomponent interventions to prevent delirium in medical wards in patients not selected according to the risk of delirium. Strong recommendations not to use bright light therapy to prevent delirium in intensive care unit settings were articulated. Weak recommendations not to use music therapy to prevent delirium for patients undergoing surgical interventions were specified. The ability to make strong recommendations was limited by the low quality of evidence and the presence of uncertainty. Moreover, weak recommendations were provided for the use of multicomponent interventions to treat delirium of older patients (medical wards). CONCLUSIONS Overall, the panel developed 12 recommendations for the delivery of non-pharmacological interventions to older patients at risk of developing or, with delirium.
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Affiliation(s)
- I Abraha
- Y Iosief Abraha, Geriatrics and Geriatric Emergency Care, Italian National Research Center on Aging (IRCCS-INRCA), Ancona, Italy, E-mail: (IA)
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Abraha I, Trotta F, Rimland JM, Cruz-Jentoft A, Lozano-Montoya I, Soiza RL, Pierini V, Dessì Fulgheri P, Lattanzio F, O’Mahony D, Cherubini A. Efficacy of Non-Pharmacological Interventions to Prevent and Treat Delirium in Older Patients: A Systematic Overview. The SENATOR project ONTOP Series. PLoS One 2015; 10:e0123090. [PMID: 26062023 PMCID: PMC4465742 DOI: 10.1371/journal.pone.0123090] [Citation(s) in RCA: 132] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 02/27/2015] [Indexed: 01/08/2023] Open
Abstract
Background Non-pharmacological intervention (e.g. multidisciplinary interventions, music therapy, bright light therapy, educational interventions etc.) are alternative interventions that can be used in older subjects. There are plenty reviews of non-pharmacological interventions for the prevention and treatment of delirium in older patients and clinicians need a synthesized, methodologically sound document for their decision making. Methods and Findings We performed a systematic overview of systematic reviews (SRs) of comparative studies concerning non-pharmacological intervention to treat or prevent delirium in older patients. The PubMed, Cochrane Database of Systematic Reviews, EMBASE, CINHAL, and PsychINFO (April 28th, 2014) were searched for relevant articles. AMSTAR was used to assess the quality of the SRs. The GRADE approach was used to assess the quality of primary studies. The elements of the multicomponent interventions were identified and compared among different studies to explore the possibility of performing a meta-analysis. Risk ratios were estimated using a random-effects model. Twenty-four SRs with 31 primary studies satisfied the inclusion criteria. Based on the AMSTAR criteria twelve reviews resulted of moderate quality and three resulted of high quality. Overall, multicomponent non-pharmacological interventions significantly reduced the incidence of delirium in surgical wards [2 randomized trials (RCTs): relative risk (RR) 0.71, 95% Confidence Interval (CI) 0.59 to 0.86, I2=0%; (GRADE evidence: moderate)] and in medical wards [2 CCTs: RR 0.65, 95%CI 0.49 to 0.86, I2=0%; (GRADE evidence: moderate)]. There is no evidence supporting the efficacy of non-pharmacological interventions to prevent delirium in low risk populations (i.e. low rate of delirium in the control group)[1 RCT: RR 1.75, 95%CI 0.50 to 6.10 (GRADE evidence: very low)]. For patients who have developed delirium, the available evidence does not support the efficacy of multicomponent non-pharmacological interventions to treat delirium. Among single component interventions only staff education, reorientation protocol (GRADE evidence: very low)] and Geriatric Risk Assessment MedGuide software [hazard ratio 0.42, 95%CI 0.35 to 0.52, (GRADE evidence: moderate)] resulted effective in preventing delirium. Conclusions In older patients multi-component non-pharmacological interventions as well as some single-components intervention were effective in preventing delirium but not to treat delirium.
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Affiliation(s)
- Iosief Abraha
- Geriatrics and Geriatric Emergency Care, Italian National Research Center on Aging (IRCCS-INRCA), Ancona, Italy
- * E-mail:
| | - Fabiana Trotta
- Geriatrics and Geriatric Emergency Care, Italian National Research Center on Aging (IRCCS-INRCA), Ancona, Italy
| | - Joseph M. Rimland
- Scientific Direction, Italian National Research Center on Aging (IRCCS-INRCA), Ancona, Italy
| | | | | | - Roy L. Soiza
- Department of Medicine for the Elderly, Woodend Hospital, Aberdeen, United Kingdom
| | - Valentina Pierini
- Clinica di Medicina Interna e Geriatria, Politecnica University of the Marche Region, Ancona, Italy
| | - Paolo Dessì Fulgheri
- Clinica di Medicina Interna e Geriatria, Politecnica University of the Marche Region, Ancona, Italy
| | - Fabrizia Lattanzio
- Scientific Direction, Italian National Research Center on Aging (IRCCS-INRCA), Ancona, Italy
| | - Denis O’Mahony
- Department of Medicine, University College Cork, Cork, Ireland
| | - Antonio Cherubini
- Geriatrics and Geriatric Emergency Care, Italian National Research Center on Aging (IRCCS-INRCA), Ancona, Italy
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Oldham MA, Ciraulo DA. Bright light therapy for depression: a review of its effects on chronobiology and the autonomic nervous system. Chronobiol Int 2014; 31:305-19. [PMID: 24397276 DOI: 10.3109/07420528.2013.833935] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bright light therapy (BLT) is considered among the first-line treatments for seasonal affective disorder (SAD), yet a growing body of literature supports its use in other neuropsychiatric conditions including non-seasonal depression. Despite evidence of its antidepressant efficacy, clinical use of BLT remains highly variable internationally. In this article, we explore the autonomic effects of BLT and suggest that such effects may play a role in its antidepressant and chronotherapeutic properties. After providing a brief introduction on the clinical application of BLT, we review the chronobiological effects of BLT on depression and on the autonomic nervous system in depressed and non-depressed individuals with an emphasis on non-seasonal depression. Such a theory of autonomic modulation via BLT could serve to integrate aspects of recent work centered on alleviating allostatic load, the polyvagal theory, the neurovisceral integration model and emerging evidence on the roles of glutamate and gamma-hydroxybutyric acid (GABA).
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Affiliation(s)
- Mark A Oldham
- Department of Psychiatry, Boston University Medical Center , Boston, MA , USA
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Moyce Z, Rodseth RN, Biccard BM. The efficacy of peri-operative interventions to decrease postoperative delirium in non-cardiac surgery: a systematic review and meta-analysis. Anaesthesia 2014; 69:259-69. [DOI: 10.1111/anae.12539] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/13/2013] [Indexed: 11/27/2022]
Affiliation(s)
- Z. Moyce
- Peri-operative Research Group; Department of Anaesthesia; Nelson R Mandela School of Medicine; University of KwaZulu-Natal; Durban KwaZulu-Natal South Africa
| | - R. N. Rodseth
- Peri-operative Research Group; Department of Anaesthesia; Nelson R Mandela School of Medicine; University of KwaZulu-Natal; Durban KwaZulu-Natal South Africa
| | - B. M. Biccard
- Peri-operative Research Group; Department of Anaesthesia; Nelson R Mandela School of Medicine; University of KwaZulu-Natal; Durban KwaZulu-Natal South Africa
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Update on clinical impact, documentation, and management of complications associated with esophagectomy. Thorac Surg Clin 2013; 23:535-50. [PMID: 24199703 DOI: 10.1016/j.thorsurg.2013.07.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The assessment and monitoring of complications associated with esophageal resection suffers from the absence of an internationally recognized system for documenting the incidence and severity of complications. The impact of complications is significant, with direct effects being identified on mortality, length of stay, postoperative quality of life, and long-term survival. Newer systems of assessing surgical complication severity and the resources required to treat complications include the Accordion and Clavien grading systems. New endoscopic and interventional approaches to treating anastomotic leak and stricture and chyle leak can selectively decrease length of stay and costs of managing complications.
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The clinical and economic costs of delirium after surgical resection for esophageal malignancy. Ann Surg 2013; 258:77-81. [PMID: 23426343 DOI: 10.1097/sla.0b013e31828545c1] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
OBJECTIVE The aim of this study was to identify preoperative risk factors and postoperative consequences that are associated with the occurrence of delirium after esophagectomy for malignancy. BACKGROUND Delirium is an underdiagnosed, serious complication after major surgery, particularly in the elderly population. METHODS All patients undergoing esophagectomy for cancer (1991-2011) were included. Patients with and without delirium were compared with respect to medical comorbidities, use of neoadjuvant therapy, operative outcomes, postoperative complications, overall cost, and survival. RESULTS Of the 500 patients included in this analysis, 46 (9.2%) patients developed postoperative delirium. Patients with delirium had higher ASA and Charlson comorbidity index scores. Delirium was associated with a longer hospital (14 ± 7.5 vs 10.9 ± 5.7; P < 0.05) and intensive care unit stay (3.6 ± 3.8 vs 2.7 ± 16.9; P < 0.05) and an increased incidence of pulmonary complications and increased hospital costs. Delirium was preceded by another complication in 32.6% of cases but by a septic complication in only 19.6% of cases. Age was the only preoperative predictor of postoperative delirium in multivariate modeling (P < 0.05). No differences were noted in the use of neoadjuvant chemoradiotherapy or survival. CONCLUSIONS This study demonstrates that postoperative delirium is associated with a more complicated and costly recovery after esophagectomy and that age is independently predictive of its development. Delirium has often been thought to be the sequela of other complications; however, this study demonstrates that it presents in isolation or precedes other complications in 67.4% of cases. Focused screening will likely allow targeted preventative strategies to be used in the perioperative period to reduce complications and costs associated with delirium.
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Chong MS, Tan KT, Tay L, Wong YM, Ancoli-Israel S. Bright light therapy as part of a multicomponent management program improves sleep and functional outcomes in delirious older hospitalized adults. Clin Interv Aging 2013; 8:565-72. [PMID: 23723696 PMCID: PMC3666546 DOI: 10.2147/cia.s44926] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Objective Delirium is associated with poor outcomes following acute hospitalization. A specialized delirium management unit, the Geriatric Monitoring Unit (GMU), was established. Evening bright light therapy (2000–3000 lux; 6–10 pm daily) was added as adjunctive treatment, to consolidate circadian activity rhythms and improve sleep. This study examined whether the GMU program improved sleep, cognitive, and functional outcomes in delirious patients. Method A total of 228 patients (mean age = 84.2 years) were studied. The clinical characteristics, delirium duration, delirium subtype, Delirium Rating Score (DRS), cognitive status (Chinese Mini–Mental State Examination), functional status (modified Barthel Index [MBI]), and chemical restraint use during the initial and predischarge phase of the patient’s GMU admission were obtained. Nurses completed hourly 24-hour patient sleep logs, and from these, the mean total sleep time, number of awakenings, and sleep bouts (SB) were computed. Results The mean delirium duration was 6.7 ± 4.6 days. Analysis of the delirium subtypes showed that 18.4% had hypoactive delirium, 30.2% mixed delirium, and 51.3% had hyperactive delirium. There were significant improvements in MBI scores, especially for the hyperactive and mixed delirium subtypes (P < 0.05). Significant improvements were noted on the DRS sleep–wake disturbance subscore, for all delirium-subtypes. The mean total sleep time (7.7 from 6.4 hours) (P < 0.05) and length of first SB (6.0 compared with 5.3 hours) (P < 0.05) improved, with decreased mean number of SBs and awakenings. The sleep improvements were mainly seen in the hyperactive delirium subtype. Conclusion This study shows initial evidence for the clinical benefits (longer total sleep time, increased first SB length, and functional gains) of incorporating bright light therapy as part of a multicomponent delirium management program. The benefits appear to have occurred mainly in patients with hyperactive delirium, which merits further in-depth, randomized controlled studies.
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Affiliation(s)
- Mei Sian Chong
- Department of Geriatric Medicine, Tan Tock Seng Hospital, Singapore.
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Zhang H, Lu Y, Liu M, Zou Z, Wang L, Xu FY, Shi XY. Strategies for prevention of postoperative delirium: a systematic review and meta-analysis of randomized trials. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2013; 17:R47. [PMID: 23506796 PMCID: PMC3672487 DOI: 10.1186/cc12566] [Citation(s) in RCA: 128] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2012] [Accepted: 03/12/2013] [Indexed: 12/14/2022]
Abstract
INTRODUCTION The ideal measures to prevent postoperative delirium remain unestablished. We conducted this systematic review and meta-analysis to clarify the significance of potential interventions. METHODS The PRISMA statement guidelines were followed. Two researchers searched MEDLINE, EMBASE, CINAHL and the Cochrane Library for articles published in English before August 2012. Additional sources included reference lists from reviews and related articles from 'Google Scholar'. Randomized clinical trials (RCTs) on interventions seeking to prevent postoperative delirium in adult patients were included. Data extraction and methodological quality assessment were performed using predefined data fields and scoring system. Meta-analysis was accomplished for studies that used similar strategies. The primary outcome measure was the incidence of postoperative delirium. We further tested whether interventions effective in preventing postoperative delirium shortened the length of hospital stay. RESULTS We identified 38 RCTs with interventions ranging from perioperative managements to pharmacological, psychological or multicomponent interventions. Meta-analysis showed dexmedetomidine sedation was associated with less delirium compared to sedation produced by other drugs (two RCTs with 415 patients, pooled risk ratio (RR)=0.39; 95% confidence interval (CI)=0.16 to 0.95). Both typical (three RCTs with 965 patients, RR=0.71; 95% CI=0.54 to 0.93) and atypical antipsychotics (three RCTs with 627 patients, RR=0.36; 95% CI=0.26 to 0.50) decreased delirium occurrence when compared to placebos. Multicomponent interventions (two RCTs with 325 patients, RR=0.71; 95% CI=0.58 to 0.86) were effective in preventing delirium. No difference in the incidences of delirium was found between: neuraxial and general anesthesia (four RCTs with 511 patients, RR=0.99; 95% CI=0.65 to 1.50); epidural and intravenous analgesia (three RCTs with 167 patients, RR=0.93; 95% CI=0.61 to 1.43) or acetylcholinesterase inhibitors and placebo (four RCTs with 242 patients, RR=0.95; 95% CI=0.63 to 1.44). Effective prevention of postoperative delirium did not shorten the length of hospital stay (10 RCTs with 1,636 patients, pooled SMD (standard mean difference)=-0.06; 95% CI=-0.16 to 0.04). CONCLUSIONS The included studies showed great inconsistencies in definition, incidence, severity and duration of postoperative delirium. Meta-analysis supported dexmedetomidine sedation, multicomponent interventions and antipsychotics were useful in preventing postoperative delirium.
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Yang J, Choi W, Ko YH, Joe SH, Han C, Kim YK. Bright light therapy as an adjunctive treatment with risperidone in patients with delirium: a randomized, open, parallel group study. Gen Hosp Psychiatry 2012; 34:546-51. [PMID: 22717090 DOI: 10.1016/j.genhosppsych.2012.05.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2012] [Revised: 05/03/2012] [Accepted: 05/04/2012] [Indexed: 01/12/2023]
Abstract
OBJECTIVE The purpose of this study was to determine the effect of adjuvant light therapy with antipsychotic treatment in patients with delirium. METHODS Thirty-six patients were referred to the consulting psychiatry division of our hospital for a disturbance in consciousness. The patients were randomized to risperidone (n=16) or risperidone with light therapy (n=20). They were evaluated on Day 0 (baseline) and on Days 1 to 5 with the Delirium Rating Scale (DRS) and the Memorial Delirium Assessment Scale (MDAS). Sleep parameters were measured using a sleep log. RESULTS Mean DRS and MDAS scores decreased significantly over time in both treatment groups. Risperidone with light therapy group showed a significantly greater decrease in the DRS score than the risperidone-only group (F=2.87, P=.025), but the MDAS score was not significantly different between the two groups. There was a significant improvement in total sleep time (F=2.07, P=.037) and sleep efficiency (F=2.79, P=.029) in the risperidone with light therapy group than in the risperidone-only group. CONCLUSIONS Our results indicate that risperidone with light therapy may be a helpful adjuvant treatment for patients with delirium. Adequately powered studies with a head-to-head comparison design are mandatory to confirm our findings.
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Affiliation(s)
- Jaewon Yang
- Department of Psychiatry, Korea University College of Medicine, Seoul 425-707, South Korea
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