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https://www.readbyqxmd.com/read/28944218/diabetes-mitigates-the-role-of-memory-complaint-in-predicting-dementia-risk-results-from-the-prevention-of-alzheimer-s-disease-with-vitamin-e-and-selenium-study
#1
X Zhang, F A Schmitt, A M Caban-Holt, X Ding, R J Kryscio, E Abner
BACKGROUND: Subjective memory complaints (SMCs) are associated with increased risk of dementia in older adults, but the role of comorbidities in modifying this risk is unknown. OBJECTIVES: To assess whether comorbidities modify estimated dementia risk based on SMCs. DESIGN: The Prevention of Alzheimer's Disease with Vitamin E and Selenium Study (PREADVISE) was designed as an ancillary study to the Selenium and Vitamin E Cancer Prevention Trial (SELECT), a randomized, multi-center prostate cancer prevention trial with sites in the Unites States, Puerto Rico, and Canada...
2017: Journal of Prevention of Alzheimer's Disease
https://www.readbyqxmd.com/read/28942203/potentially-inappropriate-medication-association-between-the-use-of-antidepressant-drugs-and-the-subsequent-risk-for-dementia
#2
Kathrin Heser, Tobias Luck, Susanne Röhr, Birgitt Wiese, Hanna Kaduszkiewicz, Anke Oey, Horst Bickel, Edelgard Mösch, Siegfried Weyerer, Jochen Werle, Christian Brettschneider, Hans-Helmut König, Angela Fuchs, Michael Pentzek, Hendrik van den Bussche, Martin Scherer, Wolfgang Maier, Steffi G Riedel-Heller, Michael Wagner
BACKGROUND: Potentially inappropriate medication (PIM) is associated with an increased risk for detrimental health outcomes in elderly patients. Some antidepressant drugs are considered as PIM, but previous research on the association between antidepressants and subsequent dementia has been inconclusive. Therefore, we investigated whether the intake of antidepressants, particularly of those considered as PIM according to the Priscus list, would predict incident dementia. METHODS: We used data of a prospective cohort study of non-demented primary care patients (n = 3239, mean age = 79...
September 14, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28934525/short-daytime-naps-briefly-attenuate-objectively-measured-sleepiness-under-chronic-sleep-restriction
#3
Jared M Saletin, Cassie J Hilditch, William C Dement, Mary A Carskadon
Study Objectives: Napping is a useful countermeasure to the negative effects of acute sleep loss on alertness. The efficacy of naps to recover from chronic sleep loss is less well understood. Methods: Following 2 baseline nights (10 hours' time-in-bed), participants were restricted to 7 nights of 5-hour sleep opportunity. Ten adults participated in the No-Nap condition, and a further 9 were assigned to a Nap condition with a daily 45-minute nap opportunity at 1300 h...
September 1, 2017: Sleep
https://www.readbyqxmd.com/read/28932777/dataset-on-the-associations-between-sleep-quality-duration-and-cognitive-performance-in-cognitively-healthy-older-adults
#4
A Tsapanou, Y Gu, D M O'Shea, M Yannakoulia, M H Kosmidis, E Dardiotis, G Hadjigeorgiou, P Sakka, Y Stern, N Scarmeas
In the present data, we provide the details of the cross-sectional study examining the associations between sleep quality/sleep duration and cognitive performance. Data are from the Hellenic Longitudinal Investigation of Aging and Diet (HELIAD). A total of 1484 older adults (65 y.o. or older) took part in the study. Sleep measurements were drawn from the sleep scale of the Medical Outcomes Study (MOS). Cognition was used as a z-score drawn by different tests. The domains examined were: executive function, visuo-spatial ability, language, attention- speed of processing, as well as the composite z-score of all the cognitive domains (including memory)...
October 2017: Data in Brief
https://www.readbyqxmd.com/read/28916532/comparison-of-symptomatic-and-asymptomatic-persons-with-primary-age-related-tauopathy
#5
Lilah M Besser, John F Crary, Charles Mock, Walter A Kukull
OBJECTIVE: To conduct a clinicopathologic study to characterize clinical and neuropathologic features associated with cognitive impairment in participants with no neuritic amyloid plaques (primary age-related tauopathy [PART] definite) and sparse neuritic plaques (amyloid sparse). METHODS: Using the National Alzheimer's Coordinating Center database, we identified 377 individuals who were PART definite (n = 170) or amyloid sparse (n = 207), clinically examined within 1 year of death, and autopsied at 1 of 26 National Institute on Aging-funded Alzheimer's Disease Centers...
September 15, 2017: Neurology
https://www.readbyqxmd.com/read/28914733/metabolic-connectivity-methods-and-applications
#6
Igor Yakushev, Alexander Drzezga, Christian Habeck
PURPOSE OF REVIEW: Metabolic connectivity modelling aims to detect functionally interacting brain regions based on PET recordings with the glucose analogue [F]fluorodeoxyglucose (FDG). Here, we outline the most popular metabolic connectivity methods and summarize recent applications in clinical and basic neuroscience. RECENT FINDINGS: Metabolic connectivity is modelled by various methods including a seed correlation, sparse inverse covariance estimation, independent component analysis and graph theory...
September 13, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28914354/comorbidity-of-dementia-with-amyotrophic-lateral-sclerosis-als-insights-from-a-large-multicenter-italian-cohort
#7
Francesca Trojsi, Mattia Siciliano, Cinzia Femiano, Gabriella Santangelo, Christian Lunetta, Andrea Calvo, Cristina Moglia, Kalliopi Marinou, Nicola Ticozzi, Gianluca Drago Ferrante, Carlo Scialò, Gianni Sorarù, Amelia Conte, Yuri M Falzone, Rosanna Tortelli, Massimo Russo, Valeria Ada Sansone, Adriano Chiò, Gabriele Mora, Barbara Poletti, Paolo Volanti, Claudia Caponnetto, Giorgia Querin, Mario Sabatelli, Nilo Riva, Giancarlo Logroscino, Sonia Messina, Antonio Fasano, Maria Rosaria Monsurrò, Gioacchino Tedeschi, Jessica Mandrioli
To assess the association, at diagnosis, between amyotrophic lateral sclerosis (ALS) and dementia in a large cohort of well-characterized Italian patients. We investigated the phenotypic profile of 1638 incident patients with definite, probable or laboratory-supported probable ALS, diagnosed from January 2009 to December 2013 in 13 Italian Referral Centers, located in 10 Italian Regions, and classified in two independent subsamples accounting for presence or not of dementia. The collected ALS features, including survival and other follow-up data, were compared between the two subgroups using a one-way analysis of variance and Chi-square test, as appropriate, logistic regression models and Kaplan-Meier survival analysis...
September 15, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28912150/-18-f-fdg-pet-in-parkinsonism-differential-diagnosis-and-cognitive-impairment-in-parkinson-s-disease
#8
Philipp T Meyer, Lars Frings, Gerta Rücker, Sabine Hellwig
Accurate differential diagnosis of parkinsonism is of a paramount therapeutic and prognostic importance. In addition, with the development of invasive therapies and novel disease-specific therapies, strategies for patient enrichment in trial populations are of growing importance. Imaging disease-specific patterns of regional glucose metabolism with positron emission tomography and [(18)F]fluoro-2-deoxy-2-D-glucose ((18)F-FDG) allows for a highly accurate distinction between Parkinson's disease (PD) and atypical parkinsonian syndromes (APS) including multiple system atrophy (MSA), progressive supranuclear palsy (PSP) and corticobasal degeneration (CBD)...
September 14, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28911339/emerging-treatments-for-the-behavioral-and-psychological-symptoms-of-dementia
#9
Abhinav Anand, Puneet Khurana, Jasneet Chawla, Neha Sharma, Navneet Khurana
Dementia is referred to a loss of memory and decline in other mental abilities at levels critical enough to hinder performance of daily activities. It can be of several types, depending on the underlying pathophysiology. The behavioral and psychological symptoms of dementia (BPSD) are various, but the most clinically significant are depression, apathy, and anxiety. Other BPSD include agitation, aberrant motor behavior, elation, hallucinations, and alterations in sleep and appetite. About 90% of sufferers of dementia are affected by BPSD during the course of the illness...
September 15, 2017: CNS Spectrums
https://www.readbyqxmd.com/read/28899958/serotonin-transporter-binding-and-anxiety-symptoms-in-parkinson-s-disease
#10
Merijn Joling, Odile A van den Heuvel, Henk W Berendse, Jan Booij, Chris Vriend
BACKGROUND: Anxiety is a common neuropsychiatric symptom in Parkinson's disease (PD), yet the neural mechanisms have been scarcely investigated. Disturbances in dopaminergic and serotonergic signalling may play a role in its pathophysiology. (123)I-N-ω-fluoropropyl-2β-carbomethoxy-3β-(4-iodophenyl)nortropane ((123)I-FP-CIT) is a single-photon emission CT radiotracer, and its binding in striatal and extrastriatal subcortical brain areas represents predominant binding to the presynaptic dopamine transporter (DAT) and the serotonin transporter (SERT), respectively...
September 12, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28890029/natural-course-and-predictors-of-severe-disability-and-death-in-thai-patients-with-dementia
#11
Pornpatr A Dharmasaroja, Praween Lolekha, Kongkiat Kulkantrakorn, Thammanard Charernboon, Arvemas Watcharakorn, Pritsana Piyabhan
More than half of patients with dementia lived in countries with low and middle incomes. However, there have been few studies on the natural course of disease in these countries. The purpose of this study was to study the natural course and the predictive factors of advanced stage and death in Thai patients with dementia. Patients with dementia who were treated in neurologic and psychiatric clinic from September 2004 to February 2016, were included. Data about natural course of diseases, behavioral and psychological symptoms in dementia (BPSD) and complications were studied...
September 7, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28887694/contribution-of-auditory-p300-test-to-the-diagnosis-of-mild-cognitive-impairment-in-parkinson-s-disease
#12
Fikriye Tüter Yilmaz, Sehür Siber Özkaynak, Ebru Barçin
Abnormalities in auditory P300 test have been observed in patients with Parkinson's disease (PD). We aimed to investigate whether or not additional electrophysiological tests assist in making the clinical diagnosis of mild cognitive impairment in Parkinson's disease (PD-MCI), and we evaluated P300 changes in patients with non-demented PD and analyzed the correlation between the cognitive features and P300 changes. Twenty patients with PD who had been diagnosed with mild cognitive impairment (PD-MCI group) according to the Movement Disorder Society (MDS) 2012 PD-MCI level II criteria, 21 patients with PD without cognitive impairment (PD-Normal group), and 20 control subjects (control group) who were neurologically normal were examined by the standard auditory oddball paradigm...
September 8, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28886705/cognitive-function-in-very-old-men-does-not-correlate-to-biomarkers-of-alzheimer-s-disease
#13
V Velickaite, V Giedraitis, K Ström, I Alafuzoff, H Zetterberg, L Lannfelt, L Kilander, E-M Larsson, M Ingelsson
BACKGROUND: The Alzheimer's disease (AD) brain displays atrophy with amyloid-β (Aβ) and tau deposition, whereas decreased Aβ42 and increased tau are measured in cerebrospinal fluid (CSF). The aim of this study was to relate cognitive performance to the degree of brain atrophy, CSF biomarker levels and neuropathology in a cohort of aged men. METHODS: Fifty-eight 86-92-year-old men from the Uppsala Longitudinal Study of Adult Men (ULSAM) cohort underwent cognitive testing, brain computed tomography and lumbar puncture...
September 8, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28883241/ketoacidosis-due-to-a-low-carbohydrate-diet-in-an-elderly-woman-with-dementia-and-abnormal-eating-behavior
#14
Hitoshi Iwata, Seiichiro Tsuzuki, Mitsunaga Iwata, Teruhiko Terasawa
Strict restriction of carbohydrates can induce symptomatic ketoacidosis. We herein report a 76-year-old demented woman who developed ketoacidosis after 1 month of abnormal eating behavior involving selectively eating hamburger steak (estimated carbohydrate =12.7 g/day). Laboratory tests showed high-anion-gap metabolic acidosis with elevated blood ketone levels. She was successfully treated with intravenous fluids followed by oral intake of a regular diet. She remained relapse-free after correcting her eating habits...
September 6, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28873844/design-of-a-behavior-of-robot-that-attracts-the-interest-of-the-mildly-demented-elderly
#15
Misato Nihei, Natsuki Sakuma, Hiroyuki Yabe, Minoru Kamata, Takenobu Inoue
In this study, using the unexpected intervention overturning the interaction amount of the field and the mental model, an interaction of a robot system that enables sustained nonverbal communication with the mildly demented elderly was proposed and its effectiveness was shown in the group home of the mildly demented elderly.
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28861735/dementia-identity-and-the-role-of-friends
#16
Christopher Cowley
Ronald Dworkin (1993) introduced the example of Margo, who was so severely demented that she could not recognise any family or friends, and could not remember anything of her life. At the same time, however, she seemed full of childish delight. Dworkin also imagines that, before her dementia, Margo signed an advance refusal of life-saving treatment. Now severely demented, she develops pneumonia, easy to treat, but lethal if untreated. Dworkin argues that the advance refusal ought to be heeded and Margo be allowed to die of that pneumonia, on the basis that the prior refusal expresses her true wishes (her 'critical interests')...
August 31, 2017: Medicine, Health Care, and Philosophy
https://www.readbyqxmd.com/read/28857270/physical-aggression-among-patients-with-dementia-neuropathologically-confirmed-post-mortem
#17
Madeleine Liljegren, Maria Landqvist Waldö, Elisabet Englund
OBJECTIVE: To investigate the prevalence of physical aggression among patients with dementia of different types and to analyze potential differences in clinical traits, in terms of singular or repetitive behavior and occurrence in early or late stage of the disease. We also aimed at examining against whom the physical aggression was exerted. METHODS: We included 281 cases with a neuropathological dementia diagnosis from the brain bank at the Department of Pathology, Lund University, for this retrospective medical records review...
August 31, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28854503/the-utility-of-the-cognitive-function-instrument-cfi-to-detect-cognitive-decline-in-non-demented-older-adults
#18
Clara Li, Judith Neugroschl, Xiaodong Luo, Carolyn Zhu, Paul Aisen, Steven Ferris, Mary Sano
BACKGROUND: Subjective cognitive complaint is a sensitive marker of decline. OBJECTIVE: This study aimed to (1) examine reliability of subjective cognitive complaint using the Cognitive Function Instrument (CFI), and (2) assess the utility of the CFI to detect cognitive decline in non-demented elders. METHODS: Data from a four-year longitudinal study at multiple Alzheimer's Disease Cooperative Study (ADCS) sites were extracted (n = 644)...
August 21, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28851447/cognitive-and-imaging-markers-in-non-demented-subjects-attending-a-memory-clinic-study-design-and-baseline-findings-of-the-memento-cohort
#19
Carole Dufouil, Bruno Dubois, Bruno Vellas, Florence Pasquier, Frédéric Blanc, Jacques Hugon, Olivier Hanon, Jean-François Dartigues, Sandrine Harston, Audrey Gabelle, Mathieu Ceccaldi, Olivier Beauchet, Pierre Krolak-Salmon, Renaud David, Olivier Rouaud, Olivier Godefroy, Catherine Belin, Isabelle Rouch, Nicolas Auguste, David Wallon, Athanase Benetos, Jérémie Pariente, Marc Paccalin, Olivier Moreaud, Caroline Hommet, François Sellal, Claire Boutoleau-Bretonniére, Isabelle Jalenques, Armelle Gentric, Pierre Vandel, Chabha Azouani, Ludovic Fillon, Clara Fischer, Helen Savarieau, Gregory Operto, Hugo Bertin, Marie Chupin, Vincent Bouteloup, Marie-Odile Habert, Jean-François Mangin, Geneviève Chêne
BACKGROUND: The natural history and disease mechanisms of Alzheimer's disease and related disorders (ADRD) are still poorly understood. Very few resources are available to scrutinise patients as early as needed and to use integrative approaches combining standardised, repeated clinical investigations and cutting-edge biomarker measurements. METHODS: In the nationwide French MEMENTO cohort study, participants were recruited in memory clinics and screened for either isolated subjective cognitive complaints (SCCs) or mild cognitive impairment (MCI; defined as test performance 1...
August 29, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28818091/non-canonical-soluble-amyloid-beta-aggregates-and-plaque-buffering-controversies-and-future-directions-for-target-discovery-in-alzheimer-s-disease
#20
REVIEW
David L Brody, Hao Jiang, Norelle Wildburger, Thomas J Esparza
The specific amyloid-beta (Aβ) species or other amyloid-precursor protein cleavage products that are most directly related to human neurodegeneration and clinical dementia of the Alzheimer's type have not yet been directly identified. Without a clear understanding of the most relevant species, it is difficult to determine whether therapeutic candidates successfully engaged the correct target(s). Here, we review some of the controversies regarding soluble Aβ aggregates (also termed oligomers, dimers, trimers, Aβ*56, amylospheroids, etc...
August 17, 2017: Alzheimer's Research & Therapy
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