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AGEs and dementia

Nicholas I Bradfield, Kathryn A Ellis, Greg Savage, Paul Maruff, Samantha Burnham, David Darby, Nicola T Lautenschlager, Ralph N Martins, Colin L Masters, Stephanie R Rainey-Smith, Joanne Robertson, Christopher Rowe, Michael Woodward, David Ames
BACKGROUND: Given the long preclinical disease course of Alzheimer disease (AD) pathology, novel treatments may be more efficacious if administered before the emergence of dementia. Thus, accurate prediction of who will develop AD dementia is of key importance in selecting individuals for trials of treatment and may become crucial for future selection of patients for therapy. METHODS: As part of the Australian Imaging, Biomarkers and Lifestyle Flagship Study of Ageing, 901 individuals who did not have dementia were recruited...
March 20, 2018: Alzheimer Disease and Associated Disorders
Ngoc Huong Lien Ha, Mei Sian Chong, Robin Wai Munn Choo, Wai Jia Tam, Philip Lin Kiat Yap
BACKGROUND: Although foreign domestic workers (FDWs) play a significant role in caring for frail seniors in Singapore and are vulnerable to caregiving burden, there has been little research conducted hitherto. We explored caregiver burden and its determinants in this study. METHODS: FDWs (N = 221, M age = 32.3, SD = 6.23) recruited from a hospital geriatric unit completed the Zarit Burden Interview (ZBI) administered in English, Bahasa Melayu, or Burmese. Univariate and multivariate regression were employed to investigate factors influencing caregiving burden in FDWs...
March 21, 2018: International Psychogeriatrics
Stephen R Rapp, Ryan T Barnard, Kaycee M Sink, Dana G Chamberlain, Valerie Wilson, Lingyi Lu, Edward H Ip
Introduction: Aim is to evaluate validity, reliability, diagnostic precision, and user acceptability of computer simulations of cognitively demanding tasks when administered to older adults with and without cognitive impairment. Methods: Five simulation modules were administered to 161 individuals aged ≥60 years with no cognitive impairment (N = 81), mild cognitive impairment (N = 52), or dementia (N = 28). Groups were compared on total accuracy and time to complete the tasks (seconds)...
2018: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
Jakub Antczak, Katarzyna Kowalska, Aleksandra Klimkowicz-Mrowiec, Barbara Wach, Katarzyna Kasprzyk, Marta Banach, Karolina Rzeźnicka-Brzegowy, Jadwiga Kubica, Agnieszka Słowik
Background: Frontotemporal dementia (FTD) is one of the most frequent dementia types in patients under 65 years of age. Currently, no therapy can effectively improve the cognitive deficits associated with FTD. Repetitive transcranial magnetic stimulation (rTMS) is a noninvasive method of inducing brain plasticity with therapeutic potential in neurodegenerative diseases. The purpose of this study was to evaluate the effect of rTMS on cognitive, behavioral, and emotional function in FTD...
2018: Neuropsychiatric Disease and Treatment
Stephanie Behrens, Gail B Rattinger, Sarah Schwartz, Joshua Matyi, Chelsea Sanders, M Scott DeBerard, Constantine G Lyketsos, JoAnn T Tschanz
BACKGROUND: The use of FDA approved medications for Alzheimer's disease [AD; FDAAMAD; (cholinesterase inhibitors and N-methyl-D-aspartate receptor antagonists)] has been associated with symptomatic benefit with a reduction in formal (paid services) and total costs of care (formal and informal costs). We examined the use of these medications and their association with informal costs in persons with dementia. METHOD: Two hundred eighty participants (53% female, 72% AD) from the longitudinal, population-based Dementia Progression Study in Cache County, Utah (USA) were followed up to ten years...
March 21, 2018: International Psychogeriatrics
Jessica Heward, Lydia Stone, Stella-Maria Paddick, Sarah Mkenda, William K Gray, Catherine L Dotchin, John Kissima, Cecilia Collingwood, Bernadetha Swai, Richard W Walker
BACKGROUND: The number of people living with dementia in sub-Saharan Africa (SSA) is expected to increase rapidly in the coming decades. However, our understanding of how best to reduce dementia risk in the population is very limited. As a first step in developing intervention strategies to manage dementia risk in this setting, we investigated rates of cognitive decline in a rural population in Tanzania and attempted to identify associated factors. METHODS: The study was conducted in the rural Hai district of northern Tanzania...
March 21, 2018: International Psychogeriatrics
Stefan J Teipel, Thomas Fritze, Martin Ellenrieder, Britta Haenisch, Wolfram Mittelmeier, Gabriele Doblhammer
BACKGROUND: Cognitive decline is an important complication of joint replacement surgeries in senior people. METHODS: We determined incidence rates of dementia diagnosis following endoprosthetic joint replacement surgery (upper and lower extremities). The observation period covered up to 28 quarters using German claims data comprising 154,604 cases 65 years and older. Effects were controlled for cerebrovascular and vascular risk factors, age, sex, the presence of a diagnosis of delirium, and regular prescription of sedative or analgesic drugs (SAD)...
March 21, 2018: International Psychogeriatrics
Inês Baldeiras, Isabel Santana, Maria João Leitão, Helena Gens, Rui Pascoal, Miguel Tábuas-Pereira, José Beato-Coelho, Diana Duro, Maria Rosário Almeida, Catarina Resende Oliveira
BACKGROUND: Cerebrospinal fluid (CSF) biomarkers have been used to increase the evidence of underlying Alzheimer's disease (AD) pathology in mild cognitive impairment (MCI). However, CSF biomarker-based classification often results in conflicting profiles with controversial prognostic value. Normalization of the CSF Aβ42 concentration to the level of total amyloid beta (Aβ), using the Aβ42/40 ratio, has been shown to improve the distinction between AD and non-AD dementia. Therefore, we evaluated whether the Aβ42/40 ratio would improve MCI categorization and more accurately predict progression to AD...
March 20, 2018: Alzheimer's Research & Therapy
Robert S Wilson, Ana W Capuano, Lei Yu, Jingyun Yang, Namhee Kim, Sue E Leurgans, Melissa Lamar, Julie A Schneider, David A Bennett, Patricia A Boyle
Retest learning impacts estimates of cognitive aging, but its bases are uncertain. Here, we test the hypothesis that dementia-related neurodegeneration impairs retest learning. Older persons without cognitive impairment at enrollment (n = 567) had annual cognitive testing for a mean of 11 years, died, and had a neuropathologic examination to quantify 5 neurodegenerative pathologies. Change point models were used to divide cognitive trajectories into an early retest sensitive component and a later component less sensitive to retest...
March 17, 2018: Neurobiology of Aging
Elizabeth M White, Jessica G Smith, Rebecca L Trotta, Matthew D McHugh
OBJECTIVES: To investigate whether care in a hospital with more nurses holding at least a Bachelor of Science in Nursing (BSN) degree is associated with lower mortality for individuals with Alzheimer's disease and related dementias (ADRD) undergoing surgery ADRD. DESIGN: Cross-sectional data from 2006-07 Medicare claims were linked with the Multi-State Nursing Care and Patient Safety Survey of nurses in 4 states. SETTING: Adult, nonfederal, acute care hospitals in California, Florida, New Jersey, and Pennsylvania (N=531)...
March 20, 2018: Journal of the American Geriatrics Society
Sven Haller, Meike W Vernooij, Joost P A Kuijer, Elna-Marie Larsson, Hans Rolf Jäger, Frederik Barkhof
Cerebral microbleeds (CMBs), also referred to as microhemorrhages, appear on magnetic resonance (MR) images as hypointense foci notably at T2*-weighted or susceptibility-weighted (SW) imaging. CMBs are detected with increasing frequency because of the more widespread use of high magnetic field strength and of newer dedicated MR imaging techniques such as three-dimensional gradient-echo T2*-weighted and SW imaging. The imaging appearance of CMBs is mainly because of changes in local magnetic susceptibility and reflects the pathologic iron accumulation, most often in perivascular macrophages, because of vasculopathy...
April 2018: Radiology
Keith A Anderson, Charlotte M Siegel
No abstract text is available yet for this article.
March 1, 2018: Journal of Applied Gerontology: the Official Journal of the Southern Gerontological Society
Dona M P Jayakody, Peter L Friedland, Ralph N Martins, Hamid R Sohrabi
Age-related hearing loss (ARHL), presbycusis, is a chronic health condition that affects approximately one-third of the world's population. The peripheral and central hearing alterations associated with age-related hearing loss have a profound impact on perception of verbal and non-verbal auditory stimuli. The high prevalence of hearing loss in the older adults corresponds to the increased frequency of dementia in this population. Therefore, researchers have focused their attention on age-related central effects that occur independent of the peripheral hearing loss as well as central effects of peripheral hearing loss and its association with cognitive decline and dementia...
2018: Frontiers in Neuroscience
Sven J van der Lee, Frank J Wolters, M Kamran Ikram, Albert Hofman, M Arfan Ikram, Najaf Amin, Cornelia M van Duijn
BACKGROUND: Alzheimer's disease is one of the most heritable diseases in elderly people and the most common type of dementia. In addition to the major genetic determinant of Alzheimer's disease, the APOE gene, 23 genetic variants have been associated with the disease. We assessed the effects of these variants and APOE on cumulative risk and age at onset of Alzheimer's disease and all-cause dementia. METHODS: We studied incident dementia in cognitively healthy participants (aged >45 years) from the community-based Rotterdam Study, an ongoing prospective cohort study based in Rotterdam, the Netherlands, focusing on neurological, cardiovascular, endocrine, and ophthalmological disorders, and other diseases in elderly people...
March 16, 2018: Lancet Neurology
Hanna Cho, Sang Won Seo, Jae Yong Choi, Hye Sun Lee, Young Hoon Ryu, Myung Sik Lee, Duk L Na, Hee Jin Kim, Chul Hyoung Lyoo
Behavioral variant frontotemporal dementia (bvFTD) is the most common form of frontotemporal dementia, and tau pathology can be found in 40%-50% of bvFTD patients. In this study, we sought to investigate18 F-flortaucipir-binding patterns and their correlates in clinically diagnosed bvFTD patients by comparing with results for Alzheimer's disease (AD) patients. We enrolled 20 bvFTD, 20 AD, and 20 age-matched healthy subjects who underwent neuropsychological tests, magnetic resonance imaging, and tau positron emission tomography scans with18 F-flortaucipir...
February 21, 2018: Neurobiology of Aging
Ellen Grober, Amy E Veroff, Richard B Lipton
Introduction: Free and Cued Selective Reminding Test (FCSRT) performance identifies patients with preclinical disease at elevated risk for developing Alzheimer's dementia, predicting diagnosis better than other memory tests. Methods: Based on literature mapping FCSRT performance to clinical outcomes and biological markers, and on longitudinal preclinical data from the Baltimore Longitudinal Study of Aging, we developed the Stages of Objective Memory Impairment (SOMI) model...
2018: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
Jun-Jun Yeh, Yu-Feng Wei, Cheng-Li Lin, Wu-Huei Hsu
Background: To evaluate the association of asthma-chronic obstructive pulmonary disease syndrome (ACOS) with neurodegenerative diseases (stroke, Parkinson's disease and dementia) and the role of the steroids in the neurodegenerative diseases among the ACOS cohort. Materials and Methods: Comparison of the ACOS cohort ( N = 10,260) with the non-ACOS cohort ( n = 20,513) based on the patients aged ≧40 years in the National Health Insurance Research Database from January 1, 2000 to December 31, 2010...
February 23, 2018: Oncotarget
Aishat T Bakre, Ruoling Chen, Ranjit Khutan, Li Wei, Tina Smith, Gordon Qin, Isaac M Danat, Weiju Zhou, Peter Schofield, Angela Clifford, Jiaji Wang, Arpana Verma, Cuilin Zhang, Jindong Ni
OBJECTIVE: To assess the association of fish consumption with risk of dementia and its dose-response relationship, and investigate variations in the association among low-, middle- and high-income countries. DESIGN: A new community-based cross-sectional study and a systematic literature review. Settings Urban and rural communities in China; population-based studies systematically searched from worldwide literature. SUBJECTS: Chinese adults aged ≥60 years in six provinces (n 6981) took part in a household health survey of dementia prevalence and risk factors...
March 19, 2018: Public Health Nutrition
Donovan T Maust, H Myra Kim, Claire Chiang, Helen C Kales
Importance: The Centers for Medicare & Medicaid Services' National Partnership to Improve Dementia Care in Nursing Homes (hereafter referred to as the partnership) was established to improve the quality of care for patients with dementia, measured by the rate of antipsychotic prescribing. Objective: To determine the association of the partnership with trends in prescribing of antipsychotic and other psychotropic medication among older adults in long-term care...
March 17, 2018: JAMA Internal Medicine
Devender Bhalla, Elham Lotfalinezhad, Fatemah Amini, Mohsen Salmannejad, Vahid Reza Borhani Nezhad, Seyedeh Fatemeh Rezai Kooshalshah, Ahmed Delbari, Reza Fadayevatan, I Irmansyah, Abdalla Abdelrahman, Nanda Kumar Bhatta, Kurosh Gharagozli
BACKGROUND: The risk of dementia is reported as "epidemic" and "looming" over the Middle East and North Africa (MENA) region. For this, we performed a multi-language review and feasible analysis on the incidence of dementia to offer apt conclusions. METHODS: Totally, 3 databases (Magiran, Scientific Information Database, and PubMed) and 1 non-database source (Google) were searched in French, English, and Persian by using specific keywords and their combinations...
March 14, 2018: Neuroepidemiology
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