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https://www.readbyqxmd.com/read/28214783/group-engagement-in-persons-with-dementia-the-concept-and-its-measurement
#1
Jiska Cohen-Mansfield, Tasmia Hai, Michael Comishen
Although a few papers documented benefits of group therapeutic activities for individuals with dementia, there is a dearth of studies that have investigated the effects of group activities on persons with dementia. This paper introduces a theoretical framework of studying group therapeutic recreational activity, the Comprehensive Process Model of Group Engagement, and an assessment tool, the Group Observational Measurement of Engagement (GOME). We also report the psychometric properties of this assessment. One hundred and four persons with dementia took part in ten different group activities, with each activity conducted twice at random order so that 20 activities were observed for each group of participants...
February 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28214402/relationship-between-chewing-ability-and-cognitive-impairment-in-the-rural-elderly
#2
Eun-Kyong Kim, Sung Kook Lee, Youn-Hee Choi, Makiko Tanaka, Kimiko Hirotsu, Hyeon Chang Kim, Hee-Kyung Lee, Yun-Sook Jung, Atsuo Amano
OBJECTIVE: Relationship between masticatory function and cognitive impairment had been suggested but still understudied. We investigated the association between chewing ability and cognitive impairment among the elderly living in a rural region. METHODS: A total of 295 elderly individuals aged ≥70 years in a rural city of Korea participated in a cross-sectional study. Trained nurses conducted interviews and assessed chewing ability using gum that changed color based on chewing performance...
February 11, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28214239/feasibility-and-factor-structure-of-the-frail-scale-in-older-adults
#3
Ivan Aprahamian, Sumika Mori Lin, Claudia Kimie Suemoto, Daniel Apolinario, Natália Oiring de Castro Cezar, Serpui Marie Elmadjian, Wilson Jacob Filho, Mônica Sanches Yassuda
OBJECTIVES: The aim of the present study was to (1) evaluate a geriatric outpatient sample with the FRAIL scale; (2) investigate the psychometric properties of the scale; and (3) characterize different associations of the subdimensions of the scale with demographic and clinical data. DESIGN: Cross-sectional observational study. SETTING: Geriatric outpatient center a university-based hospital in São Paulo, Brazil. PARTICIPANTS: A total of 811 men and women aged 60 years or older evaluated between March 2015 and September 2015...
February 14, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28214236/are-hospital-ed-transfers-less-likely-among-nursing-home-residents-with-do-not-hospitalize-orders
#4
Taeko Nakashima, Yuchi Young, Wan-Hsiang Hsu
OBJECTIVES: This study aims to examine whether an advance directive "Do Not Hospitalize" (DNH) would be effective in reducing hospital/emergency department (ED) transfers. Similar effects in residents with dementia were also examined. DESIGN: Cross-sectional study. SETTING/SUBJECTS: New York State (NYS) nursing home residents (n = 43,024). MEASUREMENTS AND ANALYSIS: The Minimum Data Set 2.0 was used to address the study aims...
February 14, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28214109/a-novel-mutation-in-trem2-gene-causing-nasu-hakola-disease-and-review-of-the-literature
#5
Efthimios Dardiotis, Vasileios Siokas, Eva Pantazi, Maria Dardioti, Dimitrios Rikos, Georgia Xiromerisiou, Aikaterini Markou, Dimitra Papadimitriou, Matthaios Speletas, Georgios M Hadjigeorgiou
Nasu-hakola disease (NHD) is a rare disease characterized by bone cysts and fractures, frontal lobe syndrome, and progressive presenile dementia. NHD may be the prototype of primary microglial disorders of the CNS or, as they have been coined, "microgliopathies". Mutations in TREM2 and TYROBP genes are known to cause NHD. Interestingly, recent evidence-associated rare genetic variants of TREM2 gene with increased risk of Alzheimer's disease, frontotemporal dementia, amyotrophic lateral sclerosis, and Parkinson's disease...
January 20, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28213293/relations-between-personality-changes-and-cerebrospinal-fluid-biomarkers-of-alzheimer-s-disease-pathology
#6
D Tautvydaitė, J P Antonietti, H Henry, A von Gunten, J Popp
Specific changes in personality profiles may represent early non-cognitive symptoms of Alzheimer's disease (AD). Evaluating the subject's personality changes may add significant clinical information, as well as help to better understand the interaction between personality change, cognitive decline, and cerebral pathology. With this study we aimed to describe the relationship between personality changes and cerebrospinal fluid (CSF) markers of AD pathology at early clinical stages of the disease. One hundred and ten subjects, of whom 66 cognitively impaired patients (57 with mild cognitive impairment (MCI), and 9 with mild dementia) and 44 healthy controls, had neuropsychological examination as well as lumbar puncture to determine concentrations of CSF biomarkers of AD pathology (amyloid beta1-42 (Aβ1-42), phosphorylated tau (ptau-181), and total-tau (tau))...
February 4, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28213071/pla2g6-accumulates-in-lewy-bodies-in-park14-and-idiopathic-parkinson-s-disease
#7
Yasuo Miki, Kunikazu Tanji, Fumiaki Mori, Akiyoshi Kakita, Hitoshi Takahashi, Koichi Wakabayashi
The histopathological hallmark of Parkinson's disease (PD) and dementia with Lewy bodies (DLB) is the occurrence of insoluble fibrillary aggregates known as Lewy bodies, in which phosphorylated α-synuclein (α-syn) is a major component. To date, familial PD-linked gene products, including α-syn, parkin, PINK-1, DJ-1 and LRRK2, are known to be involved in Lewy body formation. Phospholipase A2, group VI (PLA2G6) is the causative gene for PARK14-linked parkinsonism (PARK14), a familial form of juvenile-onset dystonia parkinsonism...
February 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28212683/evidence-for-benefit-of-statins-to-modify-cognitive-decline-and-risk-in-alzheimer-s-disease
#8
Nophar Geifman, Roberta Diaz Brinton, Richard E Kennedy, Lon S Schneider, Atul J Butte
BACKGROUND: Despite substantial research and development investment in Alzheimer's disease (AD), effective therapeutics remain elusive. Significant emerging evidence has linked cholesterol, β-amyloid and AD, and several studies have shown a reduced risk for AD and dementia in populations treated with statins. However, while some clinical trials evaluating statins in general AD populations have been conducted, these resulted in no significant therapeutic benefit. By focusing on subgroups of the AD population, it may be possible to detect endotypes responsive to statin therapy...
February 17, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28212674/proportion-of-dementia-in-australia-explained-by-common-modifiable-risk-factors
#9
Kimberly Ashby-Mitchell, Richard Burns, Jonathan Shaw, Kaarin J Anstey
BACKGROUND: At present, dementia has no known cure. Interventions to delay onset and reduce prevalence of the disease are therefore focused on risk factor reduction. Previous population attributable risk estimates for western countries may have been underestimated as a result of the relatively low rates of midlife obesity and the lower weighting given to that variable in statistical models. METHODS: Levin's Attributable Risk which assumes independence of risk factors was used to calculate the proportion of dementia attributable to seven modifiable risk factors (midlife obesity, physical inactivity, smoking, low educational attainment, diabetes mellitus, midlife hypertension and depression) in Australia...
February 17, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28212648/formulation-of-evidence-based-messages-to-promote-the-use-of-physical-activity-to-prevent-and-manage-alzheimer-s-disease
#10
Kathleen A Martin Ginis, Jennifer Heisz, John C Spence, Ilana B Clark, Jordan Antflick, Chris I Ardern, Christa Costas-Bradstreet, Mary Duggan, Audrey L Hicks, Amy E Latimer-Cheung, Laura Middleton, Kirk Nylen, Donald H Paterson, Chelsea Pelletier, Michael A Rotondi
BACKGROUND: The impending public health impact of Alzheimer's disease is tremendous. Physical activity is a promising intervention for preventing and managing Alzheimer's disease. However, there is a lack of evidence-based public health messaging to support this position. This paper describes the application of the Appraisal of Guidelines Research and Evaluation II (AGREE-II) principles to formulate an evidence-based message to promote physical activity for the purposes of preventing and managing Alzheimer's disease...
February 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28212619/brain-and-liver-pathology-amyloid-deposition-and-interferon-responses-among-older-hiv-positive-patients-in-the-late-haart-era
#11
Isaac H Solomon, Umberto De Girolami, Sukrutha Chettimada, Vikas Misra, Elyse J Singer, Dana Gabuzda
BACKGROUND: HIV+ patients on highly active antiretroviral therapy (HAART) with suppressed viral loads have a low incidence of HIV-associated dementia, but increased prevalence of milder forms of HIV-associated neurocognitive disorders (HAND). These milder forms of HAND are often associated with minimal histological abnormalities, and their pathophysiology is unclear. Comorbidities, altered amyloid metabolism, accelerated brain aging, and activated interferon responses are suspected to play a role in HAND pathogenesis in HAART-treated persons...
February 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28212570/altered-amygdala-and-hippocampus-effective-connectivity-in-mild-cognitive-impairment-patients-with-depression-a-resting-state-functional-mr-imaging-study-with-granger-causality-analysis
#12
Li Juan Zheng, Gui Fen Yang, Xin Yuan Zhang, Yun Fei Wang, Ya Liu, Gang Zheng, Guang Ming Lu, Long Jiang Zhang, Ying Han
Neuroimaging studies have demonstrated that the major depression disorder would increase the risk of dementia in the older with amnestic cognitive impairment. We used granger causality analysis algorithm to explore the amygdala- and hippocampus-based directional connectivity patterns in 12 patients with major depression disorder and amnestic cognitive impairment (mean age: 69.5 ± 10.3 years), 13 amnestic cognitive impairment patients (mean age: 72.7 ± 8.5 years) and 14 healthy controls (mean age: 64.7 ± 7...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212496/antipsychotic-use-in-dementia
#13
Julia Kirkham, Chelsea Sherman, Clive Velkers, Colleen Maxwell, Sudeep Gill, Paula Rochon, Dallas Seitz
Antipsychotics are necessary for many older adults to treat major mental illnesses or reduce distressing psychiatric symptoms. Current controversy exists over the role of antipsychotics in the management of neuropsychiatric symptoms (NPS) in persons with dementia. Although some NPS may be appropriately and safely treated with antipsychotics, a fine balance must be achieved between the benefits of these medications, which are often modest, and adverse events, which may have significant consequences. Approximately one-third of all persons with dementia are currently prescribed antipsychotic medications, and there is significant variation in the use of antipsychotics across care settings and providers...
March 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28212493/detecting-and-managing-neuropsychiatric-symptoms-in-dementia
#14
Andrea Iaboni, Mark J Rapoport
No abstract text is available yet for this article.
March 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28212320/a-mediterranean-diet-to-improve-cardiovascular-and-cognitive-health-protocol-for-a-randomised-controlled-intervention-study
#15
Alexandra T Wade, Courtney R Davis, Kathryn A Dyer, Jonathan M Hodgson, Richard J Woodman, Hannah A D Keage, Karen J Murphy
The Mediterranean diet has demonstrated efficacy for improving cardiovascular and cognitive health. However, a traditional Mediterranean diet delivers fewer serves of dairy and less dietary calcium than is currently recommended in Australia, which may limit long-term sustainability. The present study aims to evaluate whether a Mediterranean diet with adequate dairy and calcium can improve cardiovascular and cognitive function in an at-risk population, and thereby reduce risk of cardiovascular disease (CVD) and cognitive decline...
February 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28212172/cognitive-decline-associated-with-anesthesia-and-surgery-in-the-elderly-does-this-contribute-to-dementia-prevalence
#16
Lisbeth Evered, David A Scott, Brendan Silbert
PURPOSE OF REVIEW: To provide an update on the current state of research investigating the effects of anesthesia and surgery on cognition in the elderly, including consideration of overlap with cognitive disorders in the community. RECENT FINDINGS: The studies reviewed here identify detrimental effects of anesthesia and surgery on cognition in a proportion of elderly individuals. Animal models demonstrate an association between anesthetic agents and Alzheimer's disease pathology...
February 15, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28211814/are-major-dementias-triggered-by-poor-blood-flow-to-the-brain-theoretical-considerations
#17
Jack C de la Torre
There is growing evidence that chronic brain hypoperfusion plays a central role in the development of Alzheimer's disease (AD) long before dyscognitive symptoms or amyloid-β accumulation in the brain appear. This commentary proposes that dementia with Lewy bodies (DLB), frontotemporal dementia (FTD), and Creutzfeldt-Jakob disease (CJD) may also develop from chronic brain hypoperfusion following a similar but not identical neurometabolic breakdown as AD. The argument to support this conclusion is that chronic brain hypoperfusion, which is found at the early stages of the three dementias reviewed here, will reduce oxygen delivery and lower oxidative phosphorylation promoting a steady decline in the synthesis of the cell energy fuel adenosine triphosphate (ATP)...
February 15, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28211813/classification-of-depression-cognitive-disorders-and-co-morbid-depression-and-cognitive-disorders-with-perfusion-spect-neuroimaging
#18
Daniel G Amen, Pavitra Krishnamani, Somayeh Meysami, Andrew Newberg, Cyrus A Raji
BACKGROUND: Depression and cognitive disorders (CDs) are two common co-morbid afflictions that commonly present with overlapping symptoms. OBJECTIVE: To evaluate if perfusion neuroimaging with brain SPECT can distinguish persons with depression from those with CDs or both conditions. METHODS: Inclusion criteria were DSM-IV defined depression or CDs (Alzheimer's disease, vascular dementia, dementia not otherwise specified, and amnestic disorders not otherwise specified) including persons with both (total n = 4,541; 847 CDs, 3,269 depression, 425 with both)...
February 10, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28211584/csf-ykl-40-and-gap-43-are-related-to-suicidal-ideation-in-older-women
#19
I Rymo, S Kern, M Bjerke, H Zetterberg, T Marlow, K Blennow, P Gudmundsson, I Skoog, M Waern
OBJECTIVE: To investigate possible relationships between suicidal ideation and cerebrospinal fluid (CSF) levels of glial markers YKL-40 (also known as chitinase-3-like protein 1), growth-associated protein-43 (GAP-43) and myelin basic protein (MBP). METHOD: The sample was obtained from the Prospective Population Study of Women and included 86 women without dementia who underwent both psychiatric examinations and lumbar puncture (LP). Eight of these women reported past-month suicidal ideation...
February 17, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28211452/early-onset-and-delayed-onset-poststroke-dementia-revisiting-the-mechanisms
#20
REVIEW
Vincent C T Mok, Bonnie Y K Lam, Adrian Wong, Ho Ko, Hugh S Markus, Lawrence K S Wong
Incident stroke has long been recognized to cause dementia shortly after the event. Patients who survive stroke without early-onset poststroke dementia (PSD) are at a high risk of developing dementia months to years after the initial stroke incident, which has generated enthusiasm for exploring treatments to prevent delayed-onset PSD in survivors of stroke. However, results from clinical trials completed in the past 10-15 years have been disappointing. In light of these results, the present Review revisits the mechanisms of both early-onset and delayed-onset PSD and proposes preventive strategies and directions for future clinical trials...
February 17, 2017: Nature Reviews. Neurology
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