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de Bergeyck R, Geoffroy PA. Insomnia in neurological disorders: Prevalence, mechanisms, impact and treatment approaches. Rev Neurol (Paris) 2023; 179:767-781. [PMID: 37620177 DOI: 10.1016/j.neurol.2023.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 08/03/2023] [Indexed: 08/26/2023]
Abstract
Insomnia is more prevalent in neurological disorders compared to the general population, with rates ranging from 11 to 74.2% in neurodegenerative disorders, 20 to 37% in vascular diseases, 13.3 to 50% in inflammatory diseases, 28.9 to 74.4% in epilepsy, and nearly 70% in migraines. Insomnia in neurological disorders stems from a variety of factors, encompassing physical and neuropsychiatric factors, behavioral patterns, and disruptions in the biological clock and circadian rhythm. There are bidirectional connections between neurological disorders and insomnia. Insomnia in neurological disorders worsens symptoms, resulting in heightened depressive symptoms, elevated mortality rates, reduced quality of life, and intensified acute symptoms. Managing comorbid sleep disorders, especially in the presence of psychiatric comorbidities, is crucial. Cognitive behavioral therapy for insomnia (CBT-I) is the first-line recommendation for insomnia management in neurological disorders. Other treatments are second-line strategies. Melatonin may demonstrate effectiveness in addressing insomnia, with soporific and chronobiotic effects. Furthermore, it has the potential to alleviate "sundowning" and behavioral disturbances, while generally being well-tolerated. Other treatment options that may be of interest include morning bright light therapy, sedative antidepressants, new orexin dual antagonists and levodopa specifically indicated for Parkinson's disease. Benzodiazepines and z-drugs can be used primarily during acute phases to prevent pharmacotolerance and minimize side effects. However, they should be avoided in patients with neurological disorders and not used in patients over 75 years old due to the risk of falls and confusion. In neurological disorders, insomnia has a profound impact on daytime functioning, making its management crucial. Effective treatment can result in improved outcomes, and additional research is necessary to investigate alternative therapeutic options and enhance patient care.
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Affiliation(s)
- R de Bergeyck
- Centre ChronoS, GHU Paris - Psychiatry Neurosciences, 1, rue Cabanis, 75014 Paris, France.
| | - P A Geoffroy
- Centre ChronoS, GHU Paris - Psychiatry Neurosciences, 1, rue Cabanis, 75014 Paris, France; Département de psychiatrie et d'addictologie, DMU Neurosciences, GHU Paris Nord, hôpital Bichat-Claude-Bernard, AP-HP, 75018 Paris, France; Université Paris Cité, NeuroDiderot, Inserm U1141, 75019 Paris, France; CNRS UPR 3212, Institute for Cellular and Integrative Neurosciences, 5, rue Blaise-Pascal, 67000 Strasbourg, France
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de Oliveira FF, de Almeida SS, Chen ES, Smith MC, Bertolucci PHF. APOE ε4 Carrier Status as Mediator of Effects of Psychotropic Drugs on Clinical Changes in Patients With Alzheimer's Disease. J Neuropsychiatry Clin Neurosci 2022; 34:351-360. [PMID: 35272493 DOI: 10.1176/appi.neuropsych.21060160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Neuropsychiatric syndromes have been associated with memory dysfunction and risk of and earlier onset of dementia, but how psychotropic drugs affect clinical changes in Alzheimer's disease is not entirely clear. This study aimed to assess the prospective effects of psychotropic drugs on cognitive and functional changes in Alzheimer's disease according to APOE ε4 carrier status. METHODS The study included consecutive outpatients with late-onset Alzheimer's disease (N=193) and examined score variations at 1 year on the following tests: Clinical Dementia Rating sum of boxes, Mini-Mental State Examination, Severe Mini-Mental State Examination (SMMSE), Brazilian version of the Zarit Caregiver Burden Interview, Index of Independence in Activities of Daily Living, and Lawton's Instrumental Activities of Daily Living Scale. Analyses of score variations accounted for the use of psychotropic drugs or the number of different medications in use, as well as APOE ε4 carrier status, with significance at p<0.05. RESULTS For APOE ε4 noncarriers (N=90), cholinesterase inhibitors were beneficial regarding caregiver burden (p=0.030) and basic functionality (p=0.046), memantine was harmful regarding SMMSE score changes (p=0.032), second-generation antipsychotics had nonsignificant harmful effects on SMMSE score changes (p=0.070), and antiepileptic therapy (p=0.001) and the number of different medications in use (p=0.006) were harmful in terms of basic functionality. APOE ε4 carriers (N=103) did not experience any effects of isolated psychotropic drugs on clinical changes, including antidepressants. CONCLUSIONS Results support the harmful prospective effects of second-generation antipsychotics and antiepileptic drugs on cognitive and functional changes in Alzheimer's disease, particularly for APOE ε4 noncarriers, whereas antidepressants may be safer options for behavioral enhancement.
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Affiliation(s)
- Fabricio Ferreira de Oliveira
- Department of Neurology and Neurosurgery (de Oliveira, Bertolucci), Department of Biophysics (de Almeida), Department of Morphology and Genetics (Chen, Smith), Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Sandro Soares de Almeida
- Department of Neurology and Neurosurgery (de Oliveira, Bertolucci), Department of Biophysics (de Almeida), Department of Morphology and Genetics (Chen, Smith), Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Elizabeth Suchi Chen
- Department of Neurology and Neurosurgery (de Oliveira, Bertolucci), Department of Biophysics (de Almeida), Department of Morphology and Genetics (Chen, Smith), Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Marilia Cardoso Smith
- Department of Neurology and Neurosurgery (de Oliveira, Bertolucci), Department of Biophysics (de Almeida), Department of Morphology and Genetics (Chen, Smith), Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Paulo Henrique Ferreira Bertolucci
- Department of Neurology and Neurosurgery (de Oliveira, Bertolucci), Department of Biophysics (de Almeida), Department of Morphology and Genetics (Chen, Smith), Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
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Benca R, Herring WJ, Khandker R, Qureshi ZP. Burden of Insomnia and Sleep Disturbances and the Impact of Sleep Treatments in Patients with Probable or Possible Alzheimer's Disease: A Structured Literature Review. J Alzheimers Dis 2022; 86:83-109. [PMID: 35001893 PMCID: PMC9028660 DOI: 10.3233/jad-215324] [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] [Indexed: 11/30/2022]
Abstract
Background: Sleep disturbances are frequent in Alzheimer’s disease (AD). Objective: To summarize the impact of sleep disturbances on AD patients and their caregivers and the effects of currently available sleep therapies. Methods: Published studies (January 1985–March 2020) assessing the burden associated with insomnia/sleep disturbances in the AD population and insomnia treatment effects were identified by searching PubMed, Embase, and Cochrane Library and screened against inclusion criteria. Results: 58 studies assessing patient and caregiver burden, institutionalization, and insomnia treatments in AD patients with sleep disturbances were identified. Sleep disturbances were associated with worse cognition, functional ability, and behavioral and neuropsychological functioning. Health status and quality of life of both patients and caregivers were reduced in the presence of sleep disturbances. Sleep disturbances were also associated with institutionalization. Although significant associations between sleep problems and clinical outcomes were apparent, there was generally no control for other influencing factors (e.g., cognitive status). Bright light and behavioral therapies as well as drugs showed some promise in AD patients, but studies were primarily small and limited data were available, particularly in regard to the effect on associated clinical burden. Conclusion: Sleep disturbances are a significant problem for AD patients and caregivers, associated with behavioral and psychological problems and cognitive decline. However, they remain poorly characterized and under-researched. As the global population is aging and AD is on thes rise, data from larger, prospective trials are required to fully understand the clinical correlates of sleep disturbances and the impact insomnia treatments can have.
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Affiliation(s)
- Ruth Benca
- University of California, Irvine, Irvine, CA, USA
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Huang H, Li M, Zhang M, Qiu J, Cheng H, Mou X, Chen Q, Li T, Peng J, Li B. Sleep Quality Improvement Enhances Neuropsychological Recovery and Reduces Blood Aβ42/40 Ratio in Patients with Mild–Moderate Cognitive Impairment. Medicina (B Aires) 2021; 57:medicina57121366. [PMID: 34946311 PMCID: PMC8704453 DOI: 10.3390/medicina57121366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/29/2021] [Accepted: 12/01/2021] [Indexed: 11/16/2022] Open
Abstract
Background and objectives: Alzheimer’s disease is a progressive brain degeneration and is associated with a high prevalence of sleep disorders. Amyloid β peptide-42/40 (Aβ42/40) and Tau-pT181 are the core biomarkers in cerebrospinal fluid and blood. Accumulated data from studies in mouse models and humans demonstrated an aberrant elevation of these biomarkers due to sleep disturbance, especially sleep-disordered breathing (SDB). However, it is not clear if sleep quality improvement reduces the blood levels of Ab42/40 ratio and Tau-pT181 in Alzheimer’s disease patients. Materials and Methods: In this prospective study, a longitudinal analysis was conducted on 64 patients with mild–moderate cognition impairment (MCI) due to Alzheimer’s disease accompanied by SDB. Another 33 MCI cases without sleep-disordered breathing were included as the control group. Sleep quality was assessed using the Pittsburgh Sleep Quality Index (PSQI) score system. Neuropsychological assessments were conducted using the Montreal Cognitive Assessment (MoCA), Geriatric Depression Scale (GDS), Clinical Dementia Rating (CDR), 24-h Hamilton Rating Scale for Depression (HRSD-24), and Hamilton Anxiety Rating Scale (HAMA) scoring systems. Aβ42, Aβ40, and Tau-pT181 protein levels in blood specimens were measured using ELISA assays. All patients received donepezil treatment for Alzheimer’s disease. SDB was managed with continuous pressure ventilation. Results: A significant correlation was found among PSQI, HRSD-24, HAMA, Aβ42/40 ratio, and Tau-pT181 level in all cases. In addition, a very strong and negative correlation was discovered between education level and dementia onset age. Compared to patients without SDB (33 non-SD cases), patients with SDB (64 SD cases) showed a significantly lower HRSD-24 score and a higher Aβ42/40 ratio Tau-pT181 level. Sleep treatment for patients with SDB significantly improved all neuropsychological scores, Aβ42/40 ratio, and Tau-pT181 levels. However, 11 patients did not completely recover from a sleep disorder (PSQI > 5 post-treatment). In this subgroup of patients, although HAMA score and Tau-pT181 levels were significantly reduced, MoCA and HRSD-24 scores, as well as Aβ42/40 ratio, were not significantly improved. ROC analysis found that the blood Aβ42/40 ratio held the highest significance in predicting sleep disorder occurrence. Conclusions: This is the first clinical study on sleep quality improvement in Alzheimer’s disease patients. Sleep quality score was associated with patient depression and anxiety scores, as well as Aβ42/40 ratio and Tau-pT181 levels. A complete recovery is critical for fully improving all neuropsychological assessments, Aβ42/40 ratio, and Tau-pT181 levels. Blood Aβ42/40 ratio is a feasible prognostic factor for predicting sleep quality.
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Affiliation(s)
- Haihua Huang
- Department of Geriatrics, Jianghan Oilfield General Hospital, The Yangtze University School of Medicine, Qianjiang 433121, China; (M.L.); (X.M.); (Q.C.)
- Hubei Clinical Research Center of Dementia and Cognitive Impairment, Wuhan 434300, China
- Correspondence: (H.H.); (B.L.)
| | - Mingqiu Li
- Department of Geriatrics, Jianghan Oilfield General Hospital, The Yangtze University School of Medicine, Qianjiang 433121, China; (M.L.); (X.M.); (Q.C.)
- Hubei Clinical Research Center of Dementia and Cognitive Impairment, Wuhan 434300, China
| | - Menglin Zhang
- Health Science Center, The Yangtze University School of Medicine, Jingzhou 434023, China;
| | - Jiang Qiu
- Department of Clinical Laboratory, Jianghan Oilfield General Hospital, The Yangtze University School of Medicine, Qianjiang 433121, China;
| | - Haiyan Cheng
- Division of Research & Education Administration, Jianghan Oilfield General Hospital, The Yangtze University School of Medicine, Qianjiang 433121, China;
| | - Xin Mou
- Department of Geriatrics, Jianghan Oilfield General Hospital, The Yangtze University School of Medicine, Qianjiang 433121, China; (M.L.); (X.M.); (Q.C.)
| | - Qinghong Chen
- Department of Geriatrics, Jianghan Oilfield General Hospital, The Yangtze University School of Medicine, Qianjiang 433121, China; (M.L.); (X.M.); (Q.C.)
| | - Tina Li
- Department of Urology, The University of Kansas Medical Center, Kansas City, KS 66160, USA;
| | - Jun Peng
- Department of Nursing, Jianghan Oilfield General Hospital, The Yangtze University School of Medicine, Qianjiang 433121, China;
| | - Benyi Li
- Department of Urology, The University of Kansas Medical Center, Kansas City, KS 66160, USA;
- Correspondence: (H.H.); (B.L.)
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Roland JP, Bliwise DL. Impact of Pharmacotherapy on Insomnia in Patients with Alzheimer's Disease. Drugs Aging 2021; 38:951-966. [PMID: 34569029 PMCID: PMC8593056 DOI: 10.1007/s40266-021-00891-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/08/2021] [Indexed: 02/03/2023]
Abstract
Insomnia is a pervasive sleep disorder affecting numerous patients across diverse demographical populations and comorbid disease states. Contributing factors are often a complex interaction of biological, psychological, and social components, requiring a multifaceted approach in terms of both diagnosis and management. In the setting of Alzheimer’s disease, insomnia is an even more complicated issue, with a higher overall prevalence than in the general population, greater complexity of contributing etiologies, and differences in diagnosis (at times based on caregiver observation of sleep disruption rather than subjective complaints by the individual with the disorder), and requiring more discretion in terms of treatment, particularly in regard to adverse effect profile concerns. There also is growing evidence of the bidirectional nature of sleep disruption and Alzheimer’s disease, with insomnia potentially contributing to disease progression, making the condition even more paramount to address. The objective of this review was to provide the clinician with an overview of treatment strategies that may have value in the treatment of disturbed sleep in Alzheimer’s disease. Nonpharmacological approaches to treatment should be exhausted foremost; however, pharmacotherapy may be needed in certain clinical scenarios, which can be a challenge for clinicians given the paucity of evidence and guidelines for treatment in the subpopulation of Alzheimer’s disease. Agents such as sedating antidepressants, melatonin, and site-specific γ-aminobutyric acid agonists are often employed based on historical usage but are not necessarily supported by high-quality trials. Newer agents such as dual orexin receptor antagonists have demonstrated some promise but still need further evaluation.
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Affiliation(s)
- Joshua P Roland
- Department of Pulmonology, Critical Care, and Sleep Medicine, David Geffen School of Medicine at UCLA, UCLA, 700 W. 7th Street, Suite S270-D, Los Angeles, CA, 90017, USA.
| | - Donald L Bliwise
- Department of Neurology, Emory University School of Medicine, Emory University, Atlanta, GA, USA
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Oliveira FFD, de Almeida SS, Smith MC, Bertolucci PHF. Behavioural effects of the ACE insertion/deletion polymorphism in Alzheimer's disease depend upon stratification according to APOE-ϵ4 carrier status. Cogn Neuropsychiatry 2021; 26:293-305. [PMID: 34034613 DOI: 10.1080/13546805.2021.1931085] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Introduction: The inherited risk of late-onset Alzheimer's disease (AD) is genetically determined. We aimed to examine associations of genetic variants of APOE and ACE with age at AD onset and with neuropsychiatric symptoms according to each dementia stage.Methods: Consecutive outpatients with AD were assessed for demographic features, Clinical Dementia Rating scores, and the 10-item Neuropsychiatric Inventory, and genotyped for rs7412 and rs429358 (APOE haplotypes, Real-Time Polymerase Chain Reactions), and the ACE insertion/deletion polymorphism (Polymerase Chain Reactions). Combined genetic variants of APOE and ACE were associated with age at dementia onset, and with neuropsychiatric symptoms in each dementia stage (adjusted for sex and age at dementia onset).Results: Over two-thirds of the 238 patients were women, whereas the mean age at dementia onset was 73.82 ± 6.2 years-old. APOE-ϵ4/ϵ4 carriers had earlier dementia onset (p<.001). The ACE insertion/deletion polymorphism was in Hardy-Weinberg equilibrium (p=.37) but was not associated with age at dementia onset, regardless of APOE-ϵ4 carrier status. The only results that survived corrections for false discovery rates were higher scores of dysphoria for APOE-ϵ4 carriers (n=122) who also carried ACE deletion/deletion (p=.031). No results survived corrections for false discovery rates for APOE-ϵ4 non-carriers (n=116).Conclusions: Though only the APOE-ϵ4/ϵ4 haplotype affected AD onset, effects of the ACE insertion/deletion polymorphism over behavioural features might differ according to APOE-ϵ4 carrier status in genetic associations.
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Affiliation(s)
- Fabricio Ferreira de Oliveira
- Department of Neurology and Neurosurgery, Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Sandro Soares de Almeida
- Department of Biophysics, Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Marilia Cardoso Smith
- Department of Morphology and Genetics, Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
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de Oliveira FF, Miraldo MC, de Castro-Neto EF, de Almeida SS, Matas SLDA, Bertolucci PHF, Naffah-Mazzacoratti MDG. Associations of Neuropsychiatric Features with Cerebrospinal Fluid Biomarkers of Amyloidogenesis and Neurodegeneration in Dementia with Lewy Bodies Compared with Alzheimer's Disease and Cognitively Healthy People. J Alzheimers Dis 2021; 81:1295-1309. [PMID: 33935098 DOI: 10.3233/jad-210272] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Behavioral features may reflect proteinopathies predicting pathophysiology in neurodegenerative diseases. OBJECTIVE We aimed to investigate associations of cerebrospinal fluid biomarkers of amyloidogenesis and neurodegeneration with neuropsychiatric features in dementia with Lewy bodies (DLB) compared with late-onset Alzheimer's disease (AD) and cognitively healthy people. METHODS Consecutive outpatients with DLB were paired with outpatients with AD according to sex, dementia stage, and cognitive scores, and with cognitively healthy controls according to sex and age to investigate associations of cerebrospinal fluid amyloid-β (Aβ)42, Aβ40, Aβ38, total tau, phospho-tau Thr181, α-synuclein, ubiquitin, and neurofilament light with neuropsychiatric features according to APOEɛ4 carrier status. RESULTS Overall, 27 patients with DLB (78.48±9.0 years old, eleven APOEɛ4 carriers) were paired with 27 patients with AD (81.00±5.8 years old, twelve APOEɛ4 carriers) and 27 controls (78.48±8.7 years old, four APOEɛ4 carriers); two thirds were women. Behavioral burden was more intense in DLB. Biomarker ratios reflecting amyloidogenesis and neurodegeneration in DLB were more similar to those in AD when patients carried APOEɛ4 alleles. After corrections for false discovery rates, the following associations remained significant: in DLB, dysphoria was associated with tauopathy and indirect measures of amyloidogenesis, while in AD, agitation, and night-time behavior disturbances were associated with tauopathy, and delusions were associated with tauopathy and indirect measures of amyloidogenesis. CONCLUSION Biomarker ratios were superior to Aβ and tau biomarkers predicting neuropsychiatric symptoms when associations with isolated biomarkers were not significant. At the end, APOEɛ4 carrier status influenced amyloidogenesis and tau pathology in DLB and in AD, and axonal degeneration only in DLB.
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Affiliation(s)
- Fabricio Ferreira de Oliveira
- Department of Neurology and Neurosurgery Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Marjorie Câmara Miraldo
- Department of Neurology and Neurosurgery Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Eduardo Ferreira de Castro-Neto
- Department of Neurology and Neurosurgery Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Sandro Soares de Almeida
- Department of Biophysics, Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Sandro Luiz de Andrade Matas
- Department of Neurology and Neurosurgery Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, SP, Brazil
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Mizuno J, Sadohara K, Nihei M, Onaka S, Nishiura Y, Inoue T. The application of an information support robot to reduce agitation in an older adult with Alzheimer's disease living alone in a community dwelling: a case study. Hong Kong J Occup Ther 2021; 34:50-59. [PMID: 34408559 PMCID: PMC8366206 DOI: 10.1177/15691861211005059] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 03/06/2021] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE/BACKGROUND Agitation is a common behaviour of Alzheimer's Disease (AD). Although healing robots have previously been used for alleviating agitation for people with dementia in hospitals and other healthcare facilities, its effects remain unclear whether an information-support robot capable of disseminating information with user needs may have similar effects when it is applied in community dwellings. This study was to investigate the effects of information-support robots for reducing agitation in older people with AD residing alone in community-dwellings. METHODS One participant with AD who lived alone in a community-dwelling was recruited. Participant's frequencies, durations, and time courses of four patterns of agitation at home at baseline and during intervention were analysed. In this study, agitation was defined as: (a) restlessness going to the corridor (RLtoC), (b) restlessness going to the toilet (RLtoT), (c) restlessness going to the entrance (RLtoE), and (d) restlessness going to multiple places (RLtoMP). In the intervention phase, the information-support robot disseminated daily schedule or date information to the participant. RESULTS RLtoC and RLtoMP were significantly reduced in frequency during the intervention. The durations of each episode of RLtoT and RLtoMP in the intervention were slightly reduced than those at the baseline. There were no differences in time courses of episodes of RLtoC and RLtoMP after the intervention. CONCLUSION This case study showed that information-support robot was useful to alleviate agitation of an older adult with AD living alone in a community-dwelling. Further study is warranted.
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Affiliation(s)
- Jumpei Mizuno
- National Rehabilitation Center for Persons with Disabilities Research Institute, Japan
| | - Ken Sadohara
- National Institute of Advanced Industrial Science and Technology, Japan
| | | | | | - Yuko Nishiura
- National Rehabilitation Center for Persons with Disabilities Research Institute, Japan
| | - Takenobu Inoue
- National Rehabilitation Center for Persons with Disabilities Research Institute, Japan
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Targa ADS, Benítez ID, Dakterzada F, Carnes A, Pujol M, Jorge C, Minguez O, Dalmases M, Sánchez-de-la-Torre M, Barbé F, Piñol-Ripoll G. Sleep profile predicts the cognitive decline of mild-moderate Alzheimer's disease patients. Sleep 2021; 44:6272902. [PMID: 33969423 DOI: 10.1093/sleep/zsab117] [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] [Received: 11/11/2020] [Revised: 04/09/2021] [Indexed: 11/14/2022] Open
Abstract
STUDY OBJECTIVES To investigate the association between sleep and cognitive decline of patients with mild-moderate Alzheimer's disease. METHODS Observational, prospective study, including consecutive patients diagnosed with mild-moderate Alzheimer's disease. Cerebrospinal fluid was collected for amyloid-beta, total-tau, and phospho-tau levels determination. Also, overnight polysomnography was performed, followed by neuropsychological evaluations at baseline and after 12 months of follow-up. Principal component analysis revealed two profiles of patients in terms of sleep: one with a propensity to deepen the sleep (deep sleepers) and the other with a propensity to spend most of the time in the lighter sleep stage (light sleepers). RESULTS The cohort included 125 patients with a median [IQR] of 75.0 [72.0;80.0] years. Deep and light sleepers did not present differences in relation to the cerebrospinal fluid pathological markers and to the cognitive function at the baseline. However, there was a significant difference of -1.51 (95% CI: -2.43 to -0.59) in the Mini-mental state examination after 12 months of follow-up. Accordingly, sleep depth and cognitive decline presented a dose-response relationship (p-for-trend = 0.02). Similar outcomes were observed in relation to the processing speed (Stroop words test, p-value = 0.016) and to the executive function (Verbal fluency test, p-value = 0.023). CONCLUSIONS Considering the increased cognitive decline presented by light sleepers, the sleep profile may have a predictive role in relation to the cognitive function of patients with mild-moderate Alzheimer's disease. The modifiable nature of sleep sets this behavior as a possible useful intervention to prevent a marked cognitive decline.
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Affiliation(s)
- Adriano D S Targa
- Translational Research in Respiratory Medicine, Hospital Universitari Arnau de Vilanova-Santa Maria, IRBLleida, Lleida, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Iván D Benítez
- Translational Research in Respiratory Medicine, Hospital Universitari Arnau de Vilanova-Santa Maria, IRBLleida, Lleida, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Faridé Dakterzada
- Unitat Trastorns Cognitius, Clinical Neuroscience Research, Santa Maria University Hospital, IRBLleida, Lleida, Spain
| | - Anna Carnes
- Unitat Trastorns Cognitius, Clinical Neuroscience Research, Santa Maria University Hospital, IRBLleida, Lleida, Spain
| | - Montse Pujol
- Translational Research in Respiratory Medicine, Hospital Universitari Arnau de Vilanova-Santa Maria, IRBLleida, Lleida, Spain
| | - Carmen Jorge
- Unitat Trastorns Cognitius, Clinical Neuroscience Research, Santa Maria University Hospital, IRBLleida, Lleida, Spain
| | - Olga Minguez
- Translational Research in Respiratory Medicine, Hospital Universitari Arnau de Vilanova-Santa Maria, IRBLleida, Lleida, Spain
| | - Mireia Dalmases
- Translational Research in Respiratory Medicine, Hospital Universitari Arnau de Vilanova-Santa Maria, IRBLleida, Lleida, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Manuel Sánchez-de-la-Torre
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Grupo de Medicina de Precisión en Enfermedades Crónicas, IRBLleida, Lleida, Spain
| | - Ferran Barbé
- Translational Research in Respiratory Medicine, Hospital Universitari Arnau de Vilanova-Santa Maria, IRBLleida, Lleida, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Gerard Piñol-Ripoll
- Unitat Trastorns Cognitius, Clinical Neuroscience Research, Santa Maria University Hospital, IRBLleida, Lleida, Spain
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de Oliveira FF, Machado FC, Sampaio G, Marin SDMC, Naffah-Mazzacoratti MDG, Bertolucci PHF. Neuropsychiatric feature profiles of patients with Lewy body dementia. Clin Neurol Neurosurg 2020; 194:105832. [DOI: 10.1016/j.clineuro.2020.105832] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 02/22/2020] [Accepted: 04/02/2020] [Indexed: 01/17/2023]
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MACHADO FERNANDOCHIODINI, OLIVEIRA FABRICIOFERREIRADE, MARIN SHEILLADEMEDEIROSCORREIA, SAMPAIO GUSTAVO, BERTOLUCCI PAULOHENRIQUEFERREIRA. Correlates of neuropsychiatric and motor tests with language assessment in patients with Lewy body dementia. ARCH CLIN PSYCHIAT 2020. [DOI: 10.1590/0101-60830000000236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Ferini-Strambi L, Galbiati A, Casoni F, Salsone M. Therapy for Insomnia and Circadian Rhythm Disorder in Alzheimer Disease. Curr Treat Options Neurol 2020; 22:4. [PMID: 32025925 DOI: 10.1007/s11940-020-0612-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF THE REVIEW There is strong evidence for a bidirectional association between sleep disorders and Alzheimer's disease (AD). In particular, insomnia may be a potentially modifiable risk factor for AD. The present review summarizes recent advances in treatment of sleep disorders in AD. RECENT FINDINGS Some studies investigated the efficacy and safety of hypnotic agents as ramelteon and mirtazapine to treat sleep disorders in AD but no significant therapeutic effects have been observed. Benzodiazepines are the most frequently used medication for treatment of insomnia but they may cause significant side effects in old subjects. Suvorexant, an orexin receptor antagonist, showed a positive effect on AD insomnia. Recent report suggests an association between trazodone use and delayed cognitive decline in AD. With respect to circadian rhythm disorders, non-pharmacological treatments, especially bright light therapy, could be useful and safe options for treatment in AD. Some pharmacological and non-pharmacological treatments might have benefits in AD patients with sleep disturbances, but further well-designed controlled trials are needed.
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Affiliation(s)
- Luigi Ferini-Strambi
- Department of Clinical Neurosciences, "Vita-Salute" San Raffaele University, Milan, Italy. .,Department of Clinical Neurosciences, Neurology-Sleep Disorder Center, IRCCS San Raffaele Scientific Institute, Milan, Italy.
| | - Andrea Galbiati
- Department of Clinical Neurosciences, "Vita-Salute" San Raffaele University, Milan, Italy
| | - Francesca Casoni
- Department of Clinical Neurosciences, Neurology-Sleep Disorder Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Maria Salsone
- National Research Council, Institute of Molecular Bioimaging and Physiology, Catanzaro, Italy
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Suvanchot K, Pensuksan WC. Factors affecting sleep among Thai people with dementia attending an outpatient psychiatric department. DEMENTIA 2020; 19:135-147. [DOI: 10.1177/1471301219833886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Sleep quality is a well-studied aspect of overall health, especially for those who have other compounded health issues like dementia. This study identified what factors affected sleep quality among Thai people with dementia who attended an outpatient psychiatric department. While we considered factors associated with poor sleep quality, we discussed the impact that family relationship specifically has on sleep quality for this population. A cross-sectional study was conducted among 80 patient–caregiver dyads. All patients were assessed by the TMSE, a neuropsychiatric assessment (Thai Mental State Examination). The PSQI (Pittsburgh Sleep Quality Index) was administered and multiple factors affecting sleep were investigated through face-to-face interviews with each patient and caregiver dyad. Interviews were conducted by a psychiatric nurse at a hospital offering outpatient psychiatric care. A chi-square test, t test, Spearman correlation, Pearson’s correlation, and logistic regression were applied to identify statistically significant associations. Overall, we found that the prevalence of poor sleep in our target population was 70%, with a high sleep score (8.14 ± 4.20). Factors affecting sleep included mental health problems, night-time cough and urinary frequency, pain and fever during the night, sleep environment problems, and stimulant use (63.8%, 57.5%, 47.5%, 20%, and 7.5%, respectively). Other factors previously associated with poor sleep quality in other studies were not associated in this study. Those with perceived poor family relationships are at a 5.57 times greater risk for poor sleep than those with perceived good family relationships. On the contrary, those without mental health problems significantly decreased their overall risk for poor sleep. Further investigation into these associations should be studied. In conclusion, health-care providers are encouraged to consider the impact of family context on sleep quality for people with dementia.
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Hsieh SW, Liu MW, Huang LC, Wu MN, Yang YH. The Impact of Angiotensin-Converting Enzyme Gene on Behavioral and Psychological Symptoms of Dementia in Alzheimer’s Disease. Curr Alzheimer Res 2020; 16:1269-1275. [DOI: 10.2174/1567205017666200103114550] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 12/12/2019] [Accepted: 12/30/2019] [Indexed: 12/17/2022]
Abstract
Background:
The Angiotensin-Converting Enzyme (ACE) gene has drawn attention for its
possible role in regulating the degradation of β-amyloid (Aβ), yet its role in affecting the cognitive and
psychiatric symptoms of Alzheimer`s Disease (AD) patients has yet to be elucidated.
Objective:
This study aimed to investigate whether the ACE gene acts as a risk factor of Behavioral and
Psychological Symptoms of Dementia (BPSD) in the AD population.
Method:
The genotyping of ACE and Apolipoprotein E gene with allele ε4(APOEε4) was determined
among 360s clinically diagnosed AD patients. Symptoms and severity of BPSD were evaluated annually
via Neuropsychiatric Inventory (NPI).
Results:
At the base measurement of the first year of patient recruitment, there were no significant contributory
risk factors to NPI score. In the two-year follow-up, ACE insertion polymorphism showed a
significant risk (adjusted odds ratio=1.65, 95% CI=1.1- 2.5, p=0.019) of progression of NPI total score.
Conclusion:
ACE gene is involved in aggravating BPSD among AD patients.
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Affiliation(s)
- Sun-Wung Hsieh
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ming-Wei Liu
- Department of Surgery, Cathay General Hospital, Taipei, Taiwan
| | - Ling-Chun Huang
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Meng-Ni Wu
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yuan-Han Yang
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
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15
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Zhou G, Liu S, Yu X, Zhao X, Ma L, Shan P. High prevalence of sleep disorders and behavioral and psychological symptoms of dementia in late-onset Alzheimer disease: A study in Eastern China. Medicine (Baltimore) 2019; 98:e18405. [PMID: 31852160 PMCID: PMC6922506 DOI: 10.1097/md.0000000000018405] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Alzheimer disease (AD) is the most common neurodegenerative brain disease that causes cognitive impairment in the elderly. Behavioral and psychological symptoms of dementia (BPSD), also known as neuropsychiatric symptoms, represent a heterogeneous group of non-cognitive symptoms and behaviors for AD patients. Sleep disorder is one closely-related psychiatric symptom of AD. In this cross-section study, we aimed to investigate the characteristics of sleep status and BPSD among AD patients in Eastern China and to assess the relationship among sleep disorder, BPSD, and cognition.A total of 176 participants were enrolled in the study, including 84 AD patients and 92 healthy individuals as controls. Mini-mental state examination (MMSE), cooperative study-activities of daily living (ADCS-ADL) and clinical dementia rating (CDR) were used to measure cognition, the competence in basic and instrumental activities of daily living, and severity of dementia, respectively. BPSD were evaluated by neuropsychiatric inventory (NPI). Pittsburgh sleep quality index (PSQI) and Epworth sleepiness scale were designed to assess the sleep status and daytime naps. Spearman correlation analyses were performed to determine the relations between PSQI, MMSE, ADCS-ADL, and NPI scores and CDR.Sleep disorders occurred in 55.9% of AD patients versus only 15.2% of controls. 89.2% of AD patients had BPSD while only 22.9% of controls did, with apathy (64.2%) the most common among AD patients. Among AD patients, PSQI was negatively correlated with both MMSE (r = -0.600, P < .01) and ADCS-ADL (r = -0.725, P < .01), and was positively correlated with total NPI score (r = 0.608, P < .01). PSQI was closely associated with depression (r = 0.653, P < .01) and apathy (r = 0.604, P < .01).This study showed that AD patients have a higher prevalence of sleep disorders and BPSD than healthy elderly adults. Sleep disorders affect cognition of AD patients and increase apathy and depression. These results can help investigate new therapeutic targets in AD treatments.
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Affiliation(s)
- Guoyu Zhou
- Department of Geriatric Neurology, Qilu Hospital, Shandong University, Jinan
| | - Shuangwu Liu
- Department of Geriatric Neurology, Qilu Hospital, Shandong University, Jinan
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Xiaolin Yu
- Department of Geriatric Neurology, Qilu Hospital, Shandong University, Jinan
| | - Xinjin Zhao
- Department of Geriatric Neurology, Qilu Hospital, Shandong University, Jinan
| | - Lin Ma
- Department of Geriatric Neurology, Qilu Hospital, Shandong University, Jinan
| | - Peiyan Shan
- Department of Geriatric Neurology, Qilu Hospital, Shandong University, Jinan
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Havekes R, Heckman PRA, Wams EJ, Stasiukonyte N, Meerlo P, Eisel ULM. Alzheimer's disease pathogenesis: The role of disturbed sleep in attenuated brain plasticity and neurodegenerative processes. Cell Signal 2019; 64:109420. [PMID: 31536750 DOI: 10.1016/j.cellsig.2019.109420] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 09/15/2019] [Indexed: 01/07/2023]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder characterized by cognitive impairments. The classical symptoms of the disease include gradual deterioration of memory and language. Epidemiological studies indicate that around 25-40% of AD patients have sleep-wake cycle disturbances. Importantly, a series of studies suggested that the relationship between AD and sleep disturbance may be complex and bidirectional. Indeed, accumulation of the extracellular neuronal protein amyloid-beta (Aβ) leads to altered sleep-wake behavior in both mice and humans. At the same time, disturbances of the normal sleep-wake cycle may facilitate AD pathogenesis. This paper will review the mechanisms underlying this potential interrelated connection including locus coeruleus damage, reductions in orexin neurotransmission, alterations in melatonin levels, and elevated cytokine levels. In addition, we will also highlight how both the development of AD and sleep disturbances lead to changes in intracellular signaling pathways involved in regulating neuronal plasticity and connectivity, particularly extremes in cofilin phosphorylation. Finally, current pharmacological and nonpharmacological therapeutic approaches will be discussed.
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Affiliation(s)
- Robbert Havekes
- Neurobiology expertise group, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands.
| | - Pim R A Heckman
- Neurobiology expertise group, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands
| | - Emma J Wams
- Neurobiology expertise group, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands
| | - Neringa Stasiukonyte
- Neurobiology expertise group, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands
| | - Peter Meerlo
- Neurobiology expertise group, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands
| | - Ulrich L M Eisel
- Neurobiology expertise group, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands.
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Winsky-Sommerer R, de Oliveira P, Loomis S, Wafford K, Dijk DJ, Gilmour G. Disturbances of sleep quality, timing and structure and their relationship with other neuropsychiatric symptoms in Alzheimer’s disease and schizophrenia: Insights from studies in patient populations and animal models. Neurosci Biobehav Rev 2019; 97:112-137. [DOI: 10.1016/j.neubiorev.2018.09.027] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 08/31/2018] [Accepted: 09/30/2018] [Indexed: 02/06/2023]
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18
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Banning LCP, Ramakers IHGB, Deckers K, Verhey FRJ, Aalten P. Apolipoprotein E and affective symptoms in mild cognitive impairment and Alzheimer's disease dementia: A systematic review and meta-analysis. Neurosci Biobehav Rev 2018; 96:302-315. [PMID: 30513312 DOI: 10.1016/j.neubiorev.2018.11.020] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 10/24/2018] [Accepted: 11/30/2018] [Indexed: 01/17/2023]
Abstract
OBJECTIVE APOE status has been associated to affective symptoms in cognitively impaired subjects, with conflicting results. METHODS Databases CINAHL, Embase, PsychINFO and PubMed were searched for studies evaluating APOE genotype with affective symptoms in MCI and AD dementia. Symptoms were meta-analyzed separately and possible sources of heterogeneity were examined. RESULTS Fifty-three abstracts fulfilled the eligibility criteria. No association was found between the individual symptoms and APOE ε4 carriership or zygosity. For depression and anxiety, only pooled unadjusted estimates showed positive associations with between-study heterogeneity, which could be explained by variation in study design, setting and way of symptom assessment. CONCLUSIONS There is no evidence that APOE ε4 carriership or zygosity is associated with the presence of depression, anxiety, apathy, agitation, irritability or sleep disturbances in cognitively impaired subjects. Future research should shift its focus from this single polymorphism to a more integrated view of other biological factors.
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Affiliation(s)
- Leonie C P Banning
- Alzheimer Center Limburg, Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.
| | - Inez H G B Ramakers
- Alzheimer Center Limburg, Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.
| | - Kay Deckers
- Alzheimer Center Limburg, Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.
| | - Frans R J Verhey
- Alzheimer Center Limburg, Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.
| | - Pauline Aalten
- Alzheimer Center Limburg, Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, the Netherlands.
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Spira AP, An Y, Peng Y, Wu MN, Simonsick EM, Ferrucci L, Resnick SM. APOE Genotype and Nonrespiratory Sleep Parameters in Cognitively Intact Older Adults. Sleep 2017; 40:3800071. [PMID: 28482100 PMCID: PMC5804995 DOI: 10.1093/sleep/zsx076] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Study Objectives The apolipoprotein E (APOE) Ɛ4 allele increases Alzheimer's disease (AD) risk and has been linked to a greater risk of sleep-disordered breathing. We investigated the association of APOE genotype with nonrespiratory sleep parameters. Methods We studied 1264 cognitively normal participants in the Baltimore Longitudinal Study of Aging (mean = 57.5 ± 16.1 years, range 19.9-92.0, 48.2% women, 19.8% African American) with APOE genotyping and self-reported sleep duration (≥9, 7 or 8, ≤6 hours), difficulty falling/staying asleep, and napping. We compared Ɛ4 carriers with all noncarriers and compared persons at reduced (Ɛ2/Ɛ2 or Ɛ2/Ɛ3) or elevated AD risk (≥1 Ɛ4 allele) with those neutral for AD risk (Ɛ3/Ɛ3). Results In fully adjusted models, those with ≥1 Ɛ4 allele had a greater odds of being in a shorter sleep duration category compared to all noncarriers (odds ratio [OR] = 1.41, 95% confidence interval [CI] 1.06, 1.88) and Ɛ3/Ɛ3 carriers (OR = 1.43, 95% CI 1.06, 1.92). Compared to Ɛ3/Ɛ3 carriers, Ɛ2/Ɛ2 or Ɛ2/Ɛ3 carriers had a lower odds of reporting napping (OR = 0.64, 95% CI 0.43, 0.96). Among participants aged ≥50 years, sleep duration findings remained and Ɛ4 carriers had a greater odds of trouble falling/staying asleep than noncarriers (OR = 1.49, 95% CI 1.02, 2.17). We found some evidence for stronger associations of Ɛ4 with sleep duration among African Americans. Conclusions Self-reported sleep duration, napping, and trouble falling/staying asleep differ by APOE genotype. Studies are needed to examine whether APOE promotes AD by degrading sleep and to clarify the role of race in these associations.
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Affiliation(s)
- Adam P Spira
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
- Johns Hopkins Center on Aging and Health, Baltimore, MD
| | - Yang An
- Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD
| | - Yu Peng
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
- Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD
| | - Mark N Wu
- Departments of Neurology and Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Eleanor M Simonsick
- Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD
| | - Luigi Ferrucci
- Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD
| | - Susan M Resnick
- Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, MD
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Oliveira FFD, Chen ES, Smith MC, Bertolucci PH. Associations of cerebrovascular metabolism genotypes with neuropsychiatric symptoms and age at onset of Alzheimer's disease dementia. ACTA ACUST UNITED AC 2017; 39:95-103. [PMID: 28099631 PMCID: PMC7111454 DOI: 10.1590/1516-4446-2016-1991] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 07/05/2016] [Indexed: 12/03/2022]
Abstract
Objective: To study associations of cerebrovascular metabolism genotypes and haplotypes with age at Alzheimer’s disease dementia (AD) onset and with neuropsychiatric symptoms according to each dementia stage. Methods: Consecutive outpatients with late-onset AD were assessed for age at dementia onset and Neuropsychiatric Inventory scores according to Clinical Dementia Rating scores, apolipoprotein E gene (APOE) haplotypes, angiotensin-converting enzyme gene (ACE) variants rs1800764 and rs4291, low-density lipoprotein cholesterol receptor gene (LDLR) variants rs11669576 and rs5930, cholesteryl ester transfer protein gene (CETP) variants I422V and TaqIB, and liver X receptor beta gene (NR1H2) polymorphism rs2695121. Results: Considering 201 patients, only APOE-ɛ4 carriers had earlier dementia onset in multiple correlations, as well as less apathy, more delusions, and more aberrant motor behavior. Both ACE polymorphisms were associated with less intense frontally mediated behaviors. Regarding LDLR variants, carriers of the A allele of rs11669576 had less anxiety and more aberrant motor behavior, whereas carriers of the A allele of rs5930 had less delusions, less anxiety, more apathy, and more irritability. CETP variants that included G alleles of I422V and TaqIB were mostly associated with less intense frontally mediated behaviors, while severely impaired carriers of the T allele of rs2695121 had more anxiety and more aberrant motor behavior. Conclusion: Though only APOE haplotypes affected AD onset, cerebrovascular metabolism genotypes were associated with differences in several neuropsychiatric manifestations of AD.
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Affiliation(s)
- Fabricio F de Oliveira
- Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Elizabeth S Chen
- Departamento de Morfologia e Genética, EPM, UNIFESP, São Paulo, SP, Brazil
| | - Marilia C Smith
- Departamento de Morfologia e Genética, EPM, UNIFESP, São Paulo, SP, Brazil
| | - Paulo H Bertolucci
- Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
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de Oliveira FF, Wajman JR, Bertolucci PHF, Chen ES, Smith MC. Correlations among cognitive and behavioural assessments in patients with dementia due to Alzheimer's disease. Clin Neurol Neurosurg 2015; 135:27-33. [DOI: 10.1016/j.clineuro.2015.05.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 12/30/2014] [Accepted: 05/09/2015] [Indexed: 11/30/2022]
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22
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Contrasts Between Patients With Lewy Body Dementia Syndromes and APOE-ε3/ε3 Patients With Late-onset Alzheimer Disease Dementia. Neurologist 2015; 20:35-41. [DOI: 10.1097/nrl.0000000000000045] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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