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https://www.readbyqxmd.com/read/28343318/prevalence-of-thyroid-dysfunction-and-its-impact-on-cognition-in-older-mexican-adults-sadem-study
#1
T Juárez-Cedillo, L Basurto-Acevedo, S Vega-García, A Sánchez-Rodríguez Martha, R Retana-Ugalde, E Juárez-Cedillo, C Gonzalez-Melendez Roberto, J Escobedo-de-la-Peña
INTRODUCTION: Subclinical thyroid dysfunction is a possible risk factor for cognitive impairment in old age, but results are inconsistent. Aim of the present study was to evaluate the prevalence of thyroid dysfunction among older community-dwelling adults and to see whether thyroid function impacts the cognitive status of the elderly. METHODS: We included 1750 participants from the Study on Aging and Dementia in Mexico (SADEM). All subjects were evaluated clinically via specific interviews...
March 25, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28337511/-dementia-in-the-focus-of-health-research-a%C3%A2-comparative-analysis-of-current-ageing-studies
#2
Kristin Illiger, Ulla Walter, Frauke Koppelin
Health research on an increasingly aging population calls for careful consideration of aging-associated phenomena, such as dementia. Accounting for such diseases is a necessary step for gaining a view of health in the elderly. It is moreover imperative to gather data on subjects' mental limitations in surveys to better evaluate the validity of answers disclosed by elderly participants. This article discusses the availability of data on individuals suffering from dementia in national studies on aging. It centers on the question of how surveys respond to the challenge of diagnosing dementia...
March 23, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/28335810/structured-relearning-of-activities-of-daily-living-in-dementia-the-randomized-controlled-redali-dem-trial-on-errorless-learning
#3
Sebastian Voigt-Radloff, Maartje M E de Werd, Rainer Leonhart, Danielle H E Boelen, Marcel G M Olde Rikkert, Klaus Fliessbach, Stefan Klöppel, Bernhard Heimbach, Andreas Fellgiebel, Richard Dodel, Gerhard W Eschweiler, Lucrezia Hausner, Roy P C Kessels, Michael Hüll
BACKGROUND: Errorless learning (EL) is a method for optimizing learning, which uses feed-forward instructions in order to prevent people from making mistakes during the learning process. The majority of previous studies on EL taught patients with dementia artificial tasks of little or no relevance for their daily lives. Furthermore, only a few controlled studies on EL have so far been performed and just a handful of studies have examined the long-term effects of EL. Tasks were not always trained in the patients' natural or home environment, limiting the external validity of these studies...
March 23, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28330458/the-effects-of-an-extensive-exercise-programme-on-the-progression-of-mild-cognitive-impairment-mci-study-protocol-for-a-randomised-controlled-trial
#4
Kate E Devenney, Brian Lawlor, Marcel G M Olde Rikkert, Stefan Schneider
BACKGROUND: Exercise interventions to prevent dementia and delay cognitive decline have gained considerable attention in recent years. Human and animal studies have demonstrated that regular physical activity targets brain function by increasing cognitive reserve. There is also evidence of structural changes caused by exercise in preventing or delaying the genesis of neurodegeneration. Although initial studies indicate enhanced cognitive performance in patients with mild cognitive impairment (MCI) following an exercise intervention, little is known about the effect of an extensive, controlled and regular exercise regimen on the neuropathology of patients with MCI...
March 22, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28329031/who-take-naps-self-reported-and-objectively-measured-napping-in-very-old-women
#5
Yue Leng, Katie Stone, Sonia Ancoli-Israel, Kenneth Covinsky, Kristine Yaffe
Background: Despite the widespread belief that napping is common among older adults, little is known about the correlates of napping. We examined the prevalence and correlates of self-reported and objectively measured napping among very old women. Methods: We studied 2,675 community-dwelling women (mean age 84.5 ± 3.7 years; range 79-96). Self-reported napping was defined as a report of regular napping for ≥1 hour per day. Individual objective naps were defined as ≥5 consecutive minutes of inactivity as measured by actigraphy and women were characterized as "objective nappers" if they had at least 60 minutes of naps per day...
February 18, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28327083/the-effect-of-an-interactive-cycling-training-on-cognitive-functioning-in-older-adults-with-mild-dementia-study-protocol-for-a-randomized-controlled-trial
#6
E G A Karssemeijer, W J R Bossers, J A Aaronson, R P C Kessels, M G M Olde Rikkert
BACKGROUND: To date there is no cure or an effective disease-modifying drug to treat dementia. Available acetylcholine-esterase inhibiting drugs or memantine only produce small benefits on cognitive and behavioural functioning and their clinical relevance remains controversial. Combined cognitive-aerobic interventions are an appealing alternative or add-on to current pharmacological treatments. The primary aim of this study is to investigate the efficacy of a combined cognitive-aerobic training and a single aerobic training compared to an active control group in older adults with mild dementia...
March 21, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28323827/dementia-in-the-oldest-old-beyond-alzheimer-disease
#7
Aimee L Pierce, Claudia H Kawas
In a Perspective, Aimee Pierce and Claudia Kawas discuss risk factors and pathologies of dementia in the oldest-old.
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28323683/genetic-alzheimer-disease-and-sporadic-dementia-with-lewy-bodies-a-comorbidity-presenting-as-primary-progressive-aphasia
#8
Tereza Picková, Radoslav Matěj, Ondrej Bezdicek, Jiří Keller, Julie van der Zee, Christine Van Broeckhoven, Zsolt Cséfalvay, Robert Rusina
We report a 44-year-old woman, with a family history of early-onset dementia, presenting with primary progressive aphasia. This clinically variable syndrome has multiple underlying pathologies, and correlations between clinical manifestations and postmortem neuropathologic findings are controversial. Our patient suffered worsening language impairment with major word-finding difficulties but preserved comprehension. She also developed episodic memory impairment. Her condition progressed to dementia with behavioral changes...
March 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28323333/a-longitudinal-study-of-the-mini-mental-state-examination-in-late-nonagenarians-and-its-relationship-with-dementia-mortality-and-education
#9
Johan Skoog, Kristoffer Backman, Mats Ribbe, Hanna Falk, Pia Gudmundsson, Valgeir Thorvaldsson, Anne Borjesson-Hanson, Svante Ostling, Boo Johansson, Ingmar Skoog
OBJECTIVES: To examine level of and change in cognitive status using the Mini-Mental State Examination (MMSE) in relation to dementia, mortality, education, and sex in late nonagenarians. DESIGN: Three-year longitudinal study with examinations at ages 97, 99, and 100. SETTING: Trained psychiatric research nurses examined participants at their place of living. PARTICIPANTS: A representative population-based sample of 97-year-old Swedes (N = 591; 107 men, 484 women) living in Gothenburg, Sweden...
March 21, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28319243/association-of-antioxidant-supplement-use-and-dementia-in-the-prevention-of-alzheimer-s-disease-by-vitamin-e-and-selenium-trial-preadvise
#10
Richard J Kryscio, Erin L Abner, Allison Caban-Holt, Mark Lovell, Phyllis Goodman, Amy K Darke, Monica Yee, John Crowley, Frederick A Schmitt
Importance: Oxidative stress is an established dementia pathway, but it is unknown if the use of antioxidant supplements can prevent dementia. Objective: To determine if antioxidant supplements (vitamin E or selenium) used alone or in combination can prevent dementia in asymptomatic older men. Design, Setting, and Participants: The Prevention of Alzheimer's Disease by Vitamin E and Selenium (PREADViSE) trial began as a double-blind randomized clinical trial in May 2002, which transformed into a cohort study from September 2009 to May 2015...
March 20, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28318955/calcified-amorphous-tumor-causing-shower-embolism-to-the-brain-a-case-report-with-serial-echocardiographic-and-neuroradiologic-images-and-a-review-of-the-literature
#11
Takaomi Singu, Yuichiro Inatomi, Toshiro Yonehara, Yukio Ando
An 89-year-old woman with chronic atrial fibrillation, hypertension, chronic heart failure, and dementia was admitted to our hospital due to multiple small cerebral and cerebellar infarctions. Transthoracic echocardiogram revealed a floating calcified mass lesion arising from the endocardium of the posterior portion of the mitral annulus with mitral annular calcification. Furthermore, the mass had a heterogeneity of the echogenicity. The mass was diagnosed as a calcified amorphous tumor based on specific echocardiographic features...
March 15, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28316870/dural-arteriovenous-fistula-manifested-as-rapid-progressive-dementia-successfully-treated-by-endovascular-embolization-only
#12
Heewon Hwang, Yun Kyung La, Min Seok Baek, Kyoungwon Baik, Sang Hyun Suh, Won-Joo Kim
A 43-year-old male presented with daytime sleepiness at work and indifferent behavior like never before. Two weeks prior to hospital admission, he had episodic memory loss with well preserved remote memory. Brain MRI showed a dural arteriovenous fistula (DAVF) in the right lateral transverse sinus with a bilateral thalamic venous infarction. Cerebral angiography confirmed a right transverse sigmoid dural arteriovenous fistula with a feeding artery of the right occipital artery and left posterior meningeal artery...
March 2017: Neurointervention
https://www.readbyqxmd.com/read/28314948/motor-and-non-motor-symptoms-in-old-age-onset-parkinson-s-disease-patients
#13
Marcelo D Mendonça, Tania Lampreia, Rita Miguel, André Caetano, Raquel Barbosa, Paulo Bugalho
Advancing age is a well-known risk factor for Parkinson's disease (PD). With population ageing it is expected that the total number of patients with PD onset at oldage increases. Information on the motor but particularly on non-motor phenotype of this late-onset population is lacking. We recruited 24 patients with PD onset at or over 75 years. Each patient was matched with 1 control patient with PD onset between the ages of 40 and 65 and matched for disease duration. Both groups were assessed with the UPDRS, the Non-motor symptoms scale (NMSS) and other scales to assess non-motor symptoms...
March 17, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28304311/frontotemporal-dementia-due-to-the-novel-grn-arg161glyfsx36-mutation
#14
Stefano Gazzina, Silvana Archetti, Antonella Alberici, Elisa Bonomi, Maura Cosseddu, Diego Di Lorenzo, Alessandro Padovani, Barbara Borroni
Progranulin is a multifunctional growth factor mainly expressed in neurons and microglia. Loss-of-function mutations in the Granulin (GRN) gene are causative of frontotemporal dementia with TAR DNA-binding protein-43 inclusions. We reported the case of a 51-year-old male patient affected by sporadic agrammatic variant of primary progressive aphasia, in whom we identified a novel heterozygous deletion in the exon 6 (g.10338_39delAG, p.Arg161GlyfsX36). Plasma progranulin levels were significantly reduced and in silico analysis predicted a premature termination codon...
March 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28296910/examining-the-construct-and-known-group-validity-of-a-composite-endpoint-for-the-older-persons-and-informal-caregivers-survey-minimum-data-set-topics-mds-a-large-scale-data-sharing-initiative
#15
Cynthia S Hofman, Jennifer E Lutomski, Han Boter, Bianca M Buurman, Anton J M de Craen, Rogier Donders, Marcel G M Olde Rikkert, Peter Makai, René J F Melis
BACKGROUND: Preference-weighted multi-faceted endpoints have the potential to facilitate comparative effectiveness research that incorporates patient preferences. The Older Persons and Informal Caregivers Survey-Composite endpoint (TOPICS-CEP) is potentially a valuable outcome measure for evaluating interventions in geriatric care as it combines multiple outcomes relevant to older persons in a single metric. The objective of this study was to validate TOPICS-CEP across different study settings (general population, primary care and hospital)...
2017: PloS One
https://www.readbyqxmd.com/read/28293981/examining-theories-of-cognitive-ageing-using-the-false-memory-paradigm
#16
Charlotte Askey, David Playfoot
Changes in memory performance with advancing age have been well-documented, even in the absence of brain injury or dementia. The mechanisms underlying cognitive ageing are still a matter of debate. The current paper describes a comparison between young (18-25 year old) and older (60+ years) adults using the Deese-Roediger-McDermott false memory paradigm and manipulating the number of words included in the memory lists. Two key theories of cognitive ageing (the Inhibitory Deficit Hypothesis and the Transmission Deficit Hypothesis) predict opposing patterns on this task...
March 15, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28293162/ensemble-classification-of-alzheimer-s-disease-and-mild-cognitive-impairment-based-on-complex-graph-measures-from-diffusion-tensor-images
#17
Ashkan Ebadi, Josué L Dalboni da Rocha, Dushyanth B Nagaraju, Fernanda Tovar-Moll, Ivanei Bramati, Gabriel Coutinho, Ranganatha Sitaram, Parisa Rashidi
The human brain is a complex network of interacting regions. The gray matter regions of brain are interconnected by white matter tracts, together forming one integrative complex network. In this article, we report our investigation about the potential of applying brain connectivity patterns as an aid in diagnosing Alzheimer's disease and Mild Cognitive Impairment (MCI). We performed pattern analysis of graph theoretical measures derived from Diffusion Tensor Imaging (DTI) data representing structural brain networks of 45 subjects, consisting of 15 patients of Alzheimer's disease (AD), 15 patients of MCI, and 15 healthy subjects (CT)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28290244/kinematic-and-pressure-features-of-handwriting-and-drawing-preliminary-results-between-patients-with-mild-cognitive-impairment-alzheimer-disease-and-healthy-controls
#18
Josep Garre-Olmo, Marcos Faúndez-Zanuy, Karmele López-de-Ipiña, Laia Calvó-Perxas, Oriol Turró-Garriga
BACKGROUND: Alzheimer's disease (AD) is the most common neurodegenerative dementia of old age, and the leading chronic disease contributor to disability and dependence among older people worldwide. Clinically, AD is characterized by a progressive cognitive decline that interferes with the ability to perform the activities of daily living. Handwriting and drawing are complex human activities that entail an intricate blend of cognitive, kinesthetic, and perceptual-motor features. OBJECTIVE: To compare the kinematic characteristics of handwriting and drawing between patients with AD, patients with mild cognitive impairment (MCI) and healthy controls...
March 9, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28286214/cognitive-status-in-the-oldest-old-and-centenarians-a-condition-crucial-for-quality-of-life-methodologically-difficult-to-assess
#19
REVIEW
Beatrice Arosio, Rita Ostan, Daniela Mari, Sarah Damanti, Francesco Ronchetti, Sara Arcudi, Maria Scurti, Claudio Franceschi, Daniela Monti
Human life expectancy and the number of the oldest old are rapidly increasing worldwide. Advanced age is the main risk factor for dementia, representing one of the major causes of disability/dependency among older people with a strong impact on their families/caregivers. Centenarians have reached the extreme limits of human life escaping or delaying the major age-related diseases. Thus, these extraordinary individuals embody the best model to answer the crucial question if cognitive decline and dementia are progressive and unavoidable occurrences of increasing age...
March 9, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/28285610/the-clinical-course-and-interrelations-of-dementia-related-symptoms
#20
Miriam L Haaksma, Jeannie-Marie S Leoutsakos, Jonne A E Bremer, Pauline Aalten, Inez H G B Ramakers, Frans R J Verhey, Marcel G M Olde Rikkert, René J F Melis
BACKGROUND: Dementia is a neurodegenerative syndrome that interferes with multiple aspects of life, including cognition, daily functioning, and behavior. Despite the large heterogeneity in symptom development, these three domains are seldom studied simultaneously. This study investigates how trajectories of these domains are interrelated within individuals over time, and how they in turn are related to dementia severity and quality of life (QoL). METHODS: We used data from a longitudinal clinical cohort study, including 331 dementia patients...
March 13, 2017: International Psychogeriatrics
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