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https://www.readbyqxmd.com/read/29457520/caregiver-reactions-to-aggressive-behaviors-in-persons-with-dementia-in-a-diverse-community-dwelling-sample
#1
Bryan R Hansen, Nancy A Hodgson, Chakra Budhathoki, Laura N Gitlin
PURPOSE: To describe caregiver challenges with and confidence managing three aggressive behavior types in persons with dementia: verbal aggression, destroying property, and threatening to hurt others. DESIGN AND METHOD: Secondary analysis of baseline data from the 2001-2004 Resources for Enhancing Alzheimer's Caregiver Health II (REACH II) initiative. RESULTS: One or more aggressive behaviors within 1 week were reported by more than a third of caregivers, with most expressing upset but fewer expressing confidence managing the behaviors...
February 1, 2018: Journal of Applied Gerontology: the Official Journal of the Southern Gerontological Society
https://www.readbyqxmd.com/read/29457487/dementia-management-strategies-associated-with-neuropsychiatric-symptoms-of-elderly-people-with-alzheimer-s-disease
#2
Lais Lopes Delfino, Ricardo Shoiti Komatsu, Caroline Komatsu, Anita Liberalesso Neri, Meire Cachioni
This study aims to investigate the association between management and communication strategies and the presence of neuropsychiatric symptoms presented by elderly people with Alzheimer's disease. One hundred and thirty-four family caregivers answered a questionnaire with socio-demographic data and questions regarding the care context, the Small Communication Strategies Scale, the Dementia Management Strategy Scale, and the Neuropsychiatric Inventory. Caregivers used the criticism management strategy more when the elderly presented hallucination, agitation, depression, anxiety, irritability, nighttime behavior, and appetite abnormalities...
January 1, 2018: Dementia
https://www.readbyqxmd.com/read/29457053/increased-subjective-experience-of-non-target-emotions-in-patients-with-frontotemporal-dementia-and-alzheimer-s-disease
#3
Kuan-Hua Chen, Sandy J Lwi, Alice Y Hua, Claudia M Haase, Bruce L Miller, Robert W Levenson
Although laboratory procedures are designed to produce specific emotions, participants often experience mixed emotions (i.e., target and non-target emotions). We examined non-target emotions in patients with frontotemporal dementia (FTD), Alzheimer's disease (AD), other neurodegenerative diseases, and healthy controls. Participants watched film clips designed to produce three target emotions. Subjective experience of non-target emotions was assessed and emotional facial expressions were coded. Compared to patients with other neurodegenerative diseases and healthy controls, FTD patients reported more positive and negative non-target emotions, whereas AD patients reported more positive non-target emotions...
June 2017: Current Opinion in Behavioral Sciences
https://www.readbyqxmd.com/read/29456500/auditory-memory-decay-as-reflected-by-a-new-mismatch-negativity-score-is-associated-with-episodic-memory-in-older-adults-at-risk-of-dementia
#4
Daria Laptinskaya, Franka Thurm, Olivia C Küster, Patrick Fissler, Winfried Schlee, Stephan Kolassa, Christine A F von Arnim, Iris-Tatjana Kolassa
The auditory mismatch negativity (MMN) is an event-related potential (ERP) peaking about 100-250 ms after the onset of a deviant tone in a sequence of identical (standard) tones. Depending on the interstimulus interval (ISI) between standard and deviant tones, the MMN is suitable to investigate the pre-attentive auditory discrimination ability (short ISIs, ≤ 2 s) as well as the pre-attentive auditory memory trace (long ISIs, >2 s). However, current results regarding the MMN as an index for mild cognitive impairment (MCI) and dementia are mixed, especially after short ISIs: while the majority of studies report positive associations between the MMN and cognition, others fail to find such relationships...
2018: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29454581/emerging-roles-of-microglial-cathepsins-in-neurodegenerative-disease
#5
REVIEW
Jessica R Lowry, Andis Klegeris
Alzheimer's disease (AD) is one of the leading causes of dementia, and its prevalence is expected to increase dramatically due to the aging global population. Microglia-driven neuroinflammation may contribute to the progression of AD. Microglia, the immune cells of the central nervous system (CNS), become chronically activated by the pathological proteins of AD including amyloid-β peptides (Aβ). Such adversely activated microglia secrete mediators that promote inflammation and damage neurons. Cathepsins are proteases that are expressed by all brain cell types, and most of them are found both intra- and extra-cellularly...
February 15, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29454102/inflammation-as-a-possible-link-between-dyslipidemia-and-alzheimer-s-disease
#6
REVIEW
Bruno Cabral de Lima Oliveira, Paula Maria Quaglio Bellozi, Helton José Reis, Antônio Carlos Pinheiro de Oliveira
Alzheimer's disease (AD) is the leading cause of dementia worldwide. This pathological condition is characterized not only by Aβ and tau accumulation in the central nervous system (CNS), but also by inflammation, processes that can lead to neurodegeneration. Besides that, other factors may contribute to the development of AD, such as dyslipidemias. Changes in lipid levels can either influence the activity of enzymes related to the protein deposition that occurs in this pathological condition, or enhance the peripheral and CNS immune responses...
February 14, 2018: Neuroscience
https://www.readbyqxmd.com/read/29453935/evaluation-of-cerebrospinal-fluid-phosphorylated-tau-231-as-a-biomarker-in-the-differential-diagnosis-of-alzheimer-s-disease-and-vascular-dementia
#7
Spomenka Kiđemet-Piskač, Mirjana Babić Leko, Antonela Blažeković, Lea Langer Horvat, Nataša Klepac, Zdenko Sonicki, Danijela Kolenc, Patrick R Hof, Marina Boban, Ninoslav Mimica, Fran Borovečki, Goran Šimić
BACKGROUND: The diagnosis of either Alzheimer's disease (AD) or vascular dementia (VaD) is still largely based on clinical guidelines and exclusion of other diseases that may lead to dementia. AIMS: In this study, we assessed whether the use of sensitive and specific biomarkers such as phosphorylated tau proteins could contribute to an earlier and more accurate diagnosis of AD and VaD, as well as to their differentiation. MATERIAL AND METHODS: A total of 198 patients, of which 152 had AD, 28 VaD, and 18 were healthy controls (HC), were included in the analyses...
February 17, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29453339/a-role-for-tau-in-learning-memory-and-synaptic-plasticity
#8
Fabrizio Biundo, Dolores Del Prete, Hong Zhang, Ottavio Arancio, Luciano D'Adamio
Tau plays a pivotal role in the pathogenesis of neurodegenerative disorders: mutations in the gene encoding for tau (MAPT) are linked to Fronto-temporal Dementia (FTD) and hyper-phosphorylated aggregates of tau forming neurofibrillary tangles (NFTs) that constitute a pathological hallmark of Alzheimer disease (AD) and FTD. Accordingly, tau is a favored therapeutic target for the treatment of these diseases. Given the criticality of tau to dementia's pathogenesis and therapy, it is important to understand the physiological function of tau in the central nervous system...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29453337/p66shc-signaling-mediates-diabetes-related-cognitive-decline
#9
Yohei Minami, Noriyuki Sonoda, Eiichi Hayashida, Hiroaki Makimura, Makoto Ide, Noriko Ikeda, Masahiro Ohgidani, Takahiro A Kato, Yoshihiro Seki, Yasutaka Maeda, Shigenobu Kanba, Ryoichi Takayanagi, Yoshihiro Ogawa, Toyoshi Inoguchi
Accumlating evidence have suggested that diabetes mellitus links dementia, notably of Alzheimer's disease (AD). However, the underlying mechanism remains unclear. Several studies have shown oxidative stress (OS) to be one of the major factors in the pathogenesis of diabetic complications. Here we show OS involvement in brain damage in a diabetic animal model that is at least partially mediated through an AD-pathology-independent mechanism apart from amyloid-β accumulation. We investigated the contribution of the p66Shc signaling pathway to diabetes-related cognitive decline using p66Shc knockout (-/-) mice...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29453245/early-vs-late-age-at-onset-frontotemporal-dementia-and-frontotemporal-lobar-degeneration
#10
Sang Won Seo, Marie-Pierre Thibodeau, David C Perry, Alice Hua, Manu Sidhu, Isabel Sible, Jose Norberto S Vargas, Stephanie E Gaus, Gil D Rabinovici, Katherine D Rankin, Adam L Boxer, Joel H Kramer, Howard J Rosen, Maria Luisa Gorno-Tempini, Lea T Grinberg, Eric J Huang, Stephen J DeArmond, John Q Trojanowski, Bruce L Miller, William W Seeley
OBJECTIVE: To examine clinicopathologic correlations in early vs late age at onset frontotemporal dementia (FTD) and frontotemporal lobar degeneration (FTLD). METHODS: All patients were clinically evaluated and prospectively diagnosed at the UCSF Memory and Aging Center. Two consecutive series were included: (1) patients with a clinically diagnosed FTD syndrome who underwent autopsy (cohort 1) and (2) patients with a primary pathologic diagnosis of FTLD, regardless of the clinical syndrome (cohort 2)...
February 16, 2018: Neurology
https://www.readbyqxmd.com/read/29453242/single-subject-spm-fdg-pet-patterns-predict-risk-of-dementia-progression-in-parkinson-disease
#11
Andrea Pilotto, Enrico Premi, Silvia Paola Caminiti, Luca Presotto, Rosanna Turrone, Antonella Alberici, Barbara Paghera, Barbara Borroni, Alessandro Padovani, Daniela Perani
OBJECTIVE: To evaluate the statistical parametric mapping (SPM) procedure for fluorodeoxyglucose (FDG)-PET imaging as a possible single-subject marker of progression to dementia in Parkinson disease (PD). METHODS: Fifty-four consecutive patients with PD without dementia (age at onset of 59.9 ± 10.1 years, disease duration of 5.3 ± 3.4 years) entered the study. The patients underwent an extensive motor and cognitive assessment and a single-subject FDG-PET SPM evaluation at baseline...
February 16, 2018: Neurology
https://www.readbyqxmd.com/read/29452906/extracranial-arterial-wall-volume-is-increased-and-shows-relationships-with-vascular-mri-measures-in-idiopathic-parkinson-s-disease
#12
Stephen Ball, Sarah Al-Bachari, Laura M Parkes, Hedley C A Emsley, Charles N McCollum
OBJECTIVE: Idiopathic Parkinson's disease (IPD) is the second most common neurodegenerative disorder, often complicated by dementia. Cardiovascular risk factors and spontaneous cerebral emboli (SCE) are strongly associated with Alzheimer's (AD) and vascular dementia (VaD). We measured SCE in the middle cerebral artery and arterial wall volume in the extracranial arteries in patients with IPD and controls, and explored the relationships with structural and physiological MRI brain neurovascular measures...
February 10, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29451843/caregiver-reactions-to-dementia-symptoms-effects-on-coping-repertoire-and-mental-health
#13
Jaclene A Zauszniewski, Nirmala Lekhak, Carol M Musil
Currently, 15 million informal caregivers, most of whom are women, provide care for older adults with dementia (Alzheimer's Disease Association, 2016). Caregiving for these individuals often creates distress and may adversely affect female caregivers' psychosocial and spiritual well-being. Approximately 35% of dementia caregivers complain of health deterioration after initiating caregiving responsibilities as compared to 19% of caregivers of older adults who do not have dementia (Alzheimer's Disease Association, 2016)...
February 16, 2018: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/29451587/diagnosing-dementia-in-lower-educated-older-persons-validation-of-a-brazilian-portuguese-version-of-the-rowland-universal-dementia-assessment-scale-rudas
#14
Narahyana B de Araujo, Thomas R Nielsen, Knut Engedal, Maria L Barca, Evandro S Coutinho, Jerson Laks
OBJECTIVE: To validate the Rowland Universal Dementia Assessment Scale for use in Brazil (RUDAS-BR). METHODS: We first completed an English-Brazilian Portuguese translation and back-translation of the RUDAS. A total of 135 subjects over 60 years of age were included: 65 cognitively healthy and 70 with Alzheimer's disease (AD) according to the DSM-IV and Neurological and Communicative Disorders and Stroke/Alzheimer's Disease and Related Disorders Association (NINCDS-ADRDA) criteria...
February 15, 2018: Revista Brasileira de Psiquiatria
https://www.readbyqxmd.com/read/29451024/network-pharmacology-based-screening-of-the-active-ingredients-and-potential-targets-of-the-genus-of-pithecellobium-marthae-britton-killip-niezgoda-nevl-for-application-to-alzheimer-s-disease
#15
Han Zhang, Zhi-Yang Yan, Yu-Xi Wang, Ming Bai, Xiao-Bo Wang, Xiao-Xiao Huang, Shao-Jiang Song
Alzheimer's disease (AD) is a progressive neurodegenerative disorder associated with synaptic dysfunction, pathological accumulation of β-amyloid (Aβ), and neuronal loss. Given the prevalence of AD and the lack of effective long-term therapies, there is a pressing need to discover viable leads that can be developed into clinically approved drugs with disease-modifying effects. The analysis of current reported literatures confirms the importance of the plants of Pithecellobium genus as candidate against AD...
February 16, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29448970/dementia-clinical-trial-implications-of-mild-behavioral-impairment
#16
Moyra E Mortby, Sandra E Black, Serge Gauthier, David Miller, Anton Porsteinsson, Eric E Smith, Zahinoor Ismail
The World Alzheimer Report 2016 estimated that 47 million people are living with dementia worldwide (Alzheimer's Disease International, 2016). In the inaugural World Health Organization Ministerial Conference on Global Action against Dementia, six of the top ten research priorities were focused on prevention, identification, and reduction of dementia risk, and on delivery and quality of care for people with dementia and their carers (Shah et al., 2016). While the Lancet Neurology Commission has suggested that even minor advances to delay progression or ameliorate symptoms might have substantial financial and societal benefits (Winblad et al...
February 2018: International Psychogeriatrics
https://www.readbyqxmd.com/read/29448852/memantine-in-japanese-patients-with-moderate-to-severe-alzheimer-s-disease-meta-analysis-of-multiple-index-responder-analyses
#17
Kaoru Okuizumi, Teruyoshi Kamata, Daiju Matsui, Kengo Saito, Takuyuki Matsumoto, Yoshikazu Fukuchi
BACKGROUND: Responder analyses assessing clinical worsening have attempted to clarify clinically meaningful drug efficacy enhancements in patients with Alzheimer's disease (AD). RESEARCH DESIGN AND METHODS: This was a meta-analysis of two multicenter, randomized, double-blind, parallel-group, 24-week studies of 633 Japanese patients with moderate to severe AD receiving memantine 20 mg/day (n = 318) or placebo (n = 315). The clinical trial registration number is UMIN000026013...
February 16, 2018: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/29447107/vitamin-d-status-and-risk-of-dementia-and-alzheimer-s-disease-a-meta-analysis-of-dose-response
#18
Ahmad Jayedi, Ali Rashidy-Pour, Sakineh Shab-Bidar
OBJECTIVE: We aimed to test the dose-response association of serum 25(OH)D and risk of dementia and Alzheimer's disease (AD). METHODS: We performed a systematic search of PubMed and Scopus from database inception up to September 2017. Longitudinal cohort studies reporting risk estimates of incident dementia or AD in the general population, and for three or more quantitative categories of serum 25(OH)D were included. Pooled hazard ratios (HRs) were calculated using fixed-effects/random-effects models...
February 15, 2018: Nutritional Neuroscience
https://www.readbyqxmd.com/read/29446769/vascular-cognitive-impairment
#19
REVIEW
Wiesje M van der Flier, Ingmar Skoog, Julie A Schneider, Leonardo Pantoni, Vincent Mok, Christopher L H Chen, Philip Scheltens
The term vascular cognitive impairment (VCI) was introduced around the start of the new millennium and refers to the contribution of vascular pathology to any severity of cognitive impairment, ranging from subjective cognitive decline and mild cognitive impairment to dementia. Although vascular pathology is common in elderly individuals with cognitive decline, pure vascular dementia (that is, dementia caused solely by vascular pathology) is uncommon. Indeed, most patients with vascular dementia also have other types of pathology, the most common of which is Alzheimer disease (specifically, the diffuse accumulation of amyloid-β plaques and neurofibrillary tangles composed of tau)...
February 15, 2018: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/29446720/electrochemistry-of-alzheimer-disease-amyloid-beta-peptides
#20
Ana-Maria Chiorcea-Paquim, Teodor Adrian Enache, Ana Maria Oliveira-Brett
Alzheimer's disease (AD) is a widespread form of dementia that is estimated to affect 44.4 million people worldwide. AD pathology is closely related to the accumulation of amyloid beta (Aβ) peptides in fibrils and plagues, the small oligomeric intermediate species formed during the Aβ peptides aggregation presenting the highest neurotoxicity. This review discusses the recent advances on the Aβ peptides electrochemical characterisation. The Aβ peptides oxidation at a glassy carbon electrode occurs in one or two steps, depending on the amino acid sequence, length and content...
February 13, 2018: Current Medicinal Chemistry
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