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Alzheimer Disease and Associated Disorders

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https://www.readbyqxmd.com/read/28628488/falls-and-physical-activity-in-persons-with-mild-to-moderate-dementia-participating-in-an-intensive-motor-training-randomized-controlled-trial
#1
Tania Zieschang, Michael Schwenk, Clemens Becker, Lorenz Uhlmann, Peter Oster, Klaus Hauer
BACKGROUND: Physical activity is beneficial in people with dementia. As physical activity increases risk exposure for falls, safety concerns arise. Prior exercise trials in people with dementia have not measured physical activity. Falls in relation to exposure time rather than person-years as outcome measure has been promoted but not investigated in people with dementia. METHODS: Patients with mild to moderate dementia (n=110) were randomized to an intensive, progressive strength and functional training intervention or to a low-intensity group training for 12 weeks each...
June 16, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28582280/lorazepam-challenge-for-individuals-at-varying-genetic-risk-for-alzheimer-disease
#2
Cynthia M Stonnington, Brian Harel, Dona E C Locke, Joseph G Hentz, Nan Zhang, Paul Maruff, Richard J Caselli
INTRODUCTION: This study set out to clarify the differential acute cognitive impact of lorazepam based on varying genetic risk for Alzheimer disease. METHODS: Fifty-seven cognitively unimpaired individuals aged 51 to 88, genotyped according to apolipoprotein E (APOE) and translocase of outer mitochondrial membrane (40 homolog) poly-T lengths, completed cognitive testing before, 2.5 and 5 hours after receiving a 1 mg dose of lorazepam. RESULTS: Post-lorazepam, there were significant (P<0...
June 2, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28557843/increased-reporting-accuracy-of-alzheimer-disease-symptoms-in-caribbean-hispanic-informants
#3
Martina Azar, Carolyn Zhu, Brittany DeFeis, Yian Gu, Katherine Ornstein, Siobhan Lawless, Stephanie Cosentino
INTRODUCTION: Informant report of symptoms is essential for diagnosing and characterizing Alzheimer disease (AD). Differences in the perception and experience of dementia across ethnicities may influence informant report. Understanding such differences is critical given that among those with AD, Hispanics are disproportionately affected. METHODS: Cross-sectional analyses examined informant report of cognitive and functional symptoms in mild AD across white (n=107) and Caribbean Hispanic (n=71) informants...
May 26, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28486240/dependence-stage-and-pharmacoeconomic-outcomes-in-patients-with-alzheimer-disease
#4
Tzeyu L Michaud, Robin High, Mary E Charlton, Daniel L Murman
The level of assistance patients with Alzheimer disease (AD) require in their care may be an important predictor of resource use, costs of care, and quality of life. The Dependence Scale (DS), a measure of care-assistance required, was used to estimate costs of care and quality of life of patients with AD categorized into 6 dependence stages based upon the summated item scores of the DS. Data were derived from a 3-year, noninterventional study of 132 patients with probable AD (ages, 50 to 85 y) and caregiver dyads...
May 8, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28486239/pain-neuropsychiatric-symptoms-and-quality-of-life-of-nursing-home-residents-with-advanced-dementia-in-the-netherlands-a-cross-sectional-study
#5
Janine van Kooten, Johannes C van der Wouden, Sietske A M Sikkes, Martin Smalbrugge, Cees M P M Hertogh, Max L Stek
BACKGROUND: Many studies have investigated factors associated with quality of life (QoL) in nursing home residents with dementia. Both pain and neuropsychiatric symptoms (NPS) are clinically relevant and individually associated with a lower QoL; however, there are no studies that investigated pain and NPS together in relation to QoL. PURPOSE: In this study, we explored the relationship of pain and NPS with QoL in nursing home residents with dementia by investigating the association between pain concurrently with NPS, and QoL...
May 8, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28406845/heterogeneity-in-14-year-dementia-incidence-between-asian-american-subgroups
#6
Elizabeth R Mayeda, M Maria Glymour, Charles P Quesenberry, Rachel A Whitmer
BACKGROUND: Asian Americans are a rapidly growing and diverse population. Prior research on dementia among Asian Americans focused on Japanese Americans or Asian Americans overall, although marked differences in cardiometabolic conditions between subgroups have been documented. MATERIALS AND METHODS: We compared dementia incidence among 4 Asian American subgroups (n=8384 Chinese; n=4478 Japanese; n=6210 Filipino; n=197 South Asian) and whites (n=206,490) who were Kaiser Permanente Northern California members aged 64 years and above with no dementia diagnoses as of January 1, 2000...
April 12, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28369008/genetic-ancestry-and-susceptibility-to-late-onset-alzheimer-s-disease-load-in-the-admixed-colombian-population
#7
Diana J Moreno, Sebastián Pino, Ángela Ríos, Francisco Lopera, Henry Ostos, Marc Via, Gabriel Bedoya
INTRODUCTION: Differences in the prevalence of dementia among populations and in the effect of apolipoprotein E (APOE) on the emergence of Alzheimer's disease (AD), which is the main type of dementia, have been reported. METHODS: This study estimated the ancestry of a group of individuals with late-onset Alzheimer's disease (LOAD) (N=280) and established whether there were any differences when compared with a control group (N=357) in a sample of the Colombian population...
March 31, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28538088/effects-of-the-insulin-sensitizer-metformin-in-alzheimer-disease-pilot-data-from-a-randomized-placebo-controlled-crossover-study
#8
Aaron M Koenig, Dawn Mechanic-Hamilton, Sharon X Xie, Martha F Combs, Anne R Cappola, Long Xie, John A Detre, David A Wolk, Steven E Arnold
Epidemiological studies have identified a robust association between type II diabetes mellitus and Alzheimer disease (AD), and neurobiological studies have suggested the presence of central nervous system insulin resistance in individuals with AD. Given this association, we hypothesized that the central nervous system-penetrant insulin-sensitizing medication metformin would be beneficial as a disease-modifying and/or symptomatic therapy for AD, and conducted a placebo-controlled crossover study of its effects on cerebrospinal fluid (CSF), neuroimaging, and cognitive biomarkers...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28538087/total-brain-and-hippocampal-volumes-and-cognition-in-older-american-indians-the-strong-heart-study
#9
Brenna Cholerton, Adam Omidpanah, Tara M Madhyastha, Thomas J Grabowski, Astrid M Suchy-Dicey, Dean K Shibata, Lonnie A Nelson, Steven P Verney, Barbara V Howard, William T Longstreth, Thomas J Montine, Dedra Buchwald
BACKGROUND: Estimates of hippocampal volume by magnetic resonance imaging have clinical and cognitive correlations and can assist in early Alzheimer disease diagnosis. However, little is known about the relationship between global or regional brain volumes and cognitive test performance in American Indians. MATERIALS AND METHODS: American Indian participants (N=698; median age, 72 y) recruited for the Cerebrovascular Disease and its Consequences in American Indians study, an ancillary study of the Strong Heart Study cohort, were enrolled...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28394771/tau-pet-binding-distinguishes-patients-with-early-stage-posterior-cortical-atrophy-from-amnestic-alzheimer-disease-dementia
#10
Gregory S Day, Brian A Gordon, Kelley Jackson, Jon J Christensen, Maria Rosana Ponisio, Yi Su, Beau M Ances, Tammie L S Benzinger, John C Morris
BACKGROUND: Flortaucipir (tau) positron emission tomography (PET) binding distinguishes individuals with clinically well-established posterior cortical atrophy (PCA) due to Alzheimer disease (AD) from cognitively normal (CN) controls. However, it is not known whether tau-PET binding patterns differentiate individuals with PCA from those with amnestic AD, particularly early in the symptomatic stages of disease. METHODS: Flortaucipir and florbetapir (β-amyloid) PET imaging were performed in individuals with early-stage PCA (N=5), amnestic AD dementia (N=22), and CN controls (N=47)...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28394770/the-biocard-index-a-summary-measure-to-predict-onset-of-mild-cognitive-impairment
#11
Ned Sacktor, Anja Soldan, Maura Grega, Leonie Farrington, Qing Cai, Mei-Cheng Wang, Rebecca F Gottesman, Raymond S Turner, Marilyn Albert
BACKGROUND: Changes in neuropsychological testing, neuroimaging, and cerebrospinal fluid may precede mild cognitive impairment (MCI). However, these markers are not routinely performed in outpatient clinical visits. OBJECTIVE: To evaluate whether a simple clinical index, consisting of questions given to patients and their informants, could predict the onset of symptoms of MCI among cognitively normal individuals. MATERIALS AND METHODS: Two hundred twenty-two participants in the BIOCARD study received a detailed history, physical examination, and neuropsychological testing annually...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28288010/functional-connectivity-is-reduced-in-early-stage-primary-progressive-aphasia-when-atrophy-is-not-prominent
#12
Borna Bonakdarpour, Emily J Rogalski, Allan Wang, Jaiashre Sridhar, M M Mesulam, Robert S Hurley
Primary progressive aphasia (PPA) is a clinical syndrome of language decline caused by neurodegenerative pathology. Although language impairments in PPA are typically localized via the morphometric assessment of atrophy, functional changes may accompany or even precede detectable structural alterations, in which case resting state functional connectivity (RSFC) could provide an alternative approach. The goal of this study was to determine whether language network RSFC is reduced in early-stage PPA when atrophy is not prominent...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28263191/coronary-artery-bypass-graft-surgery-and-dementia-risk-in-the-cardiovascular-health-study
#13
Elżbieta Kuźma, Jac Airdrie, Thomas J Littlejohns, Ilianna Lourida, Jo Thompson-Coon, Iain A Lang, Monica Scrobotovici, Evan L Thacker, Annette Fitzpatrick, Lewis H Kuller, Oscar L Lopez, William T Longstreth, Obioha C Ukoumunne, David J Llewellyn
INTRODUCTION: The association between history of coronary artery bypass graft surgery (CABG) and dementia risk remains unclear. METHODS: We conducted a prospective cohort analysis using data on 3155 elderly adults free from prevalent dementia from the US population-based Cardiovascular Health Study (CHS) with adjudicated incident all-cause dementia, Alzheimer disease (AD), vascular dementia (VaD), and mixed dementia. RESULTS: In the CHS, the hazard ratio (HR) for all-cause dementia was 1...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/27875364/attenuation-of-choroidal-thickness-in-patients-with-alzheimer-disease-evidence-from-an-italian-prospective-study
#14
Alessandro Trebbastoni, Michela Marcelli, Fabiana Mallone, Fabrizia D'Antonio, Letizia Imbriano, Alessandra Campanelli, Carlo de Lena, Magda Gharbiya
INTRODUCTION: To compare the 12-month choroidal thickness (CT) change between Alzheimer disease (AD) patients and normal subjects. METHODS: In this prospective, observational study, 39 patients with a diagnosis of mild to moderate AD and 39 age-matched control subjects were included. All the subjects underwent neuropsychological (Mini Mental State Examination, Alzheimer disease Assessment Scale-Cognitive Subscale, and the Clinical Dementia Rating Scale) and ophthalmological evaluation, including spectral domain optical coherence tomography, at baseline and after 12 months...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/27819846/validity-of-death-certificate-and-hospital-discharge-icd-codes-for-dementia-diagnosis-the-multi-ethnic-study-of-atherosclerosis
#15
Akira Fujiyoshi, David R Jacobs, Alvaro Alonso, José A Luchsinger, Stephen R Rapp, Daniel A Duprez
No abstract text is available yet for this article.
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/27819844/sociodemographic-characteristics-cognitive-function-and-health-related-quality-of-life-of-patients-referred-to-memory-assessment-services-in-england
#16
Min Hae Park, Sarah C Smith, Jenny Neuburger, Theopisti Chrysanthaki, A A Jolijn Hendriks, Nick Black
National policy in England is to encourage referral of people with suspected dementia to Memory Assessment Services (MAS). However, little is known about the characteristics of new referrals, which limits our capacity to evaluate these services. The objectives were to: describe the characteristics (age, sex, ethnicity, socioeconomic deprivation, and comorbidity) of referred patients, and examine the relationships between these characteristics and cognitive function (tertiles of Mini-Mental State Examination score) and health-related quality of life (HRQL) (DEMQOL, DEMQOL-Proxy)...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/27819839/closing-in-is-related-to-daily-living-functioning-in-patients-with-mild-to-moderate-alzheimer-disease
#17
Natascia De Lucia, Dario Grossi, Luigi Trojano
No abstract text is available yet for this article.
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/27779492/willingness-to-be-a-brain-donor-a-survey-of-research-volunteers-from-4-racial-ethnic-groups
#18
Linda Boise, Ladson Hinton, Howard J Rosen, Mary C Ruhl, Hiroko Dodge, Nora Mattek, Marilyn Albert, Andrea Denny, Joshua D Grill, Travonia Hughes, Jennifer H Lingler, Darby Morhardt, Francine Parfitt, Susan Peterson-Hazan, Viorela Pop, Tara Rose, Raj C Shah
INTRODUCTION: Racial and ethnic groups are under-represented among research subjects who assent to brain donation in Alzheimer disease research studies. There has been little research on this important topic. Although there are some studies that have investigated the barriers to brain donation among African American study volunteers, there is no known research on the factors that influence whether or not Asians or Latinos are willing to donate their brains for research. METHODS: African American, Caucasian, Asian, and Latino research volunteers were surveyed at 15 Alzheimer Disease Centers to identify predictors of willingness to assent to brain donation...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/27299935/screening-utility-of-the-king-devick-test-in-mild-cognitive-impairment-and-alzheimer-disease-dementia
#19
Kristin M Galetta, Kimberly R Chapman, Maritza D Essis, Michael L Alosco, Danielle Gillard, Eric Steinberg, Diane Dixon, Brett Martin, Christine E Chaisson, Neil W Kowall, Yorghos Tripodis, Laura J Balcer, Robert A Stern
The King-Devick (K-D) test is a 1 to 2 minute, rapid number naming test, often used to assist with detection of concussion, but also has clinical utility in other neurological conditions (eg, Parkinson disease). The K-D involves saccadic eye and other eye movements, and abnormalities thereof may be an early indicator of Alzheimer disease (AD)-associated cognitive impairment. No study has tested the utility of the K-D in AD and we sought to do so. The sample included 206 [135 controls, 39 mild cognitive impairment (MCI), and 32 AD dementia] consecutive subjects from the Boston University Alzheimer's Disease Center registry undergoing their initial annual evaluation between March 2013 and July 2015...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/27213625/the-effectiveness-of-small-group-community-based-information-sessions-on-clinical-trial-recruitment-for-secondary-prevention-of-alzheimer-s-disease
#20
Sarah D Tarrant, Shoshana H Bardach, Kendra Bates, Heather Nichols, Jacqueline Towner, Clay Tamatha, Allison Caban-Holt, Linda J Van-Eldik, Richard R Murphy, Reisa Sperling, Gregory A Jicha
Effective and practical recruitment strategies are needed to ensure successful recruitment into the Alzheimer disease clinical trials. To facilitate successful recruitment for the NIH-sponsored A4 (Anti-Amyloid treatment in Asymptomatic Alzheimer's disease, NCT02008357) trial for the secondary prevention of Alzheimer disease, we developed a small-group community information session to attract and recruit potential research participants. After a successful media campaign, 213 participants were screened through telephone for eligibility, identifying 127 potential participants...
April 2017: Alzheimer Disease and Associated Disorders
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