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https://www.readbyqxmd.com/read/28914221/-the-default-setting-of-memory-is-forgetting
#1
D Draaisma
From the age of about 60, many people begin to experience difficulties with tasks that require the use of prospective memory and begin to have trouble finding words and names. Worried that these symptoms may be indicative of the onset of Alzheimer's disease, many of them fill in online self-tests or consult their family doctor. In the vast majority of cases, symptoms like these indicate completely natural age-related forgetfulness. Physicians should encourage a socially active lifestyle to slow down further decline...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28914150/a-computerized-test-for-the-assessment-of-mild-cognitive-impairment-subtypes-in-sentence-processing
#2
Sofia Segkouli, Ioannis Paliokas, Dimitrios Tzovaras, Ioulietta Lazarou, Charalampos Karagiannidis, Filippos Vlachos, Magda Tsolaki
This study examines thesentence processing ability of mild cognitive impairment (MCI) subtypes. In addition to standard MCI neuropsychological tests, an experimental approach was applied to assess language. 133 people (93 MCI/40 controls) participated in novel computerized sentence processing tasks. Results presented statistically significant differences between MCI/controls andMCI subtypes (ANOVA):(a) duration F(2,92) = 19.259,p < .001) in sentence construction; (b) correct answers (F(2, 89) = 8.560,p < ...
September 15, 2017: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
https://www.readbyqxmd.com/read/28913158/dosimetry-and-first-human-experience-with-89-zr-panitumumab
#3
Liza Lindenberg, Stephen Adler, Ismail B Turkbey, Francesca Mertan, Anita Ton, Khanh Do, Shivaani Kummar, Esther Mena Gonzalez, Sibaprasad Bhattacharyya, Paula M Jacobs, Peter Choyke
(89)Zr-panitumumab is a novel immuno-PET radiotracer. A fully humanized IgG2 antibody, panitumumab binds with high affinity to the extracellular ligand binding domain of EGFR. Immuno-PET with radiolabeled panitumumab is a non-invasive method that could characterize EGFR expression in tumors and metastatic lesions. It might also assist in selecting patients likely to benefit from targeted therapy as well as monitor response and drug biodistribution for dosing guidance. Our objective was to calculate the maximum dosing for effective imaging with minimal radiation exposure in a small subset...
2017: American Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28912299/the-test-your-memory-for-mild-cognitive-impairment-tym-mci
#4
Jeremy M Brown, Claire J Lansdall, Julie Wiggins, Kate E Dawson, Kristina Hunter, James B Rowe, Richard A Parker
BACKGROUND: To validate a short cognitive test: the Test Your Memory for Mild Cognitive Impairment (TYM-MCI) in the diagnosis of patients with amnestic mild cognitive impairment or mild Alzheimer's disease (aMCI/AD). METHODS: Two hundred and two patients with mild memory problems were recruited. All had 'passed' the Mini-Mental State Examination (MMSE). Patients completed the TYM-MCI, the Test Your Memory test (TYM), MMSE and revised Addenbrooke's Cognitive Examination (ACE-R), had a neurological examination, clinical diagnostics and multidisciplinary team review...
September 14, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28912150/-18-f-fdg-pet-in-parkinsonism-differential-diagnosis-and-cognitive-impairment-in-parkinson-s-disease
#5
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/28912076/positive-effects-of-combined-cognitive-and-physical-exercise-training-on-cognitive-function-in-older-adults-with-mild-cognitive-impairment-or-dementia-a-meta-analysis
#6
REVIEW
E G A Esther Karssemeijer, J A Justine Aaronson, W J Willem Bossers, T Tara Smits, M G M Marcel Olde Rikkert, R P C Roy Kessels
Combined cognitive and physical exercise interventions have potential to elicit cognitive benefits in older adults with mild cognitive impairment (MCI) or dementia. This meta-analysis aims to quantify the overall effect of these interventions on global cognitive functioning in older adults with MCI or dementia. Ten randomized controlled trials that applied a combined cognitive-physical intervention with cognitive function as an outcome measure were included. For each study effect sizes were computed (i.e., post-intervention standardized mean difference (SMD) scores) and pooled, using a random-effects meta-analysis...
September 11, 2017: Ageing Research Reviews
https://www.readbyqxmd.com/read/28910150/phase-i-ii-trial-of-anticarcinoembryonic-antigen-radioimmunotherapy-gemcitabine-and-hepatic-arterial-infusion-of-fluorodeoxyuridine-postresection-of-liver-metastasis-for-colorectal-carcinoma
#7
Benjamin Cahan, Lucille Leong, Lawrence Wagman, David Yamauchi, Stephen Shibata, Sharon Wilzcynski, Lawrence E Williams, Paul Yazaki, David Colcher, Paul Frankel, Anna Wu, Andrew Raubitschek, John Shively, Jeffrey Y C Wong
OBJECTIVES: Report the feasibility, toxicities, and long-term results of a Phase I/II trial of (90)Y-labeled anticarcinoembryonic antigen (anti-CEA) (cT84.66) radioimmunotherapy (RIT), gemcitabine, and hepatic arterial infusion (HAI) of fluorodeoxyuridine (FUdR) after maximal hepatic resection of metastatic colorectal cancer to the liver. METHODS: Patients with metastatic colorectal cancer to the liver postresection or ablation to minimum disease were eligible. Each cohort received HAI of FUdR for 14 days on a dose escalation schedule...
September 2017: Cancer Biotherapy & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28906344/value-of-the-visual-and-semiquantitative-analysis-of-carbon-11-methionine-pet-ct-in-brain-tumors-recurrence-versus-post-therapeutic-changes
#8
Nestor Martínez-Amador, Julio Jiménez-Bonilla, Isabel Martínez-Rodríguez, Maria De Arcocha-Torres, Remedios Quirce, Francisco J Gómez-de la Fuente, Jorge L López-Defilló, Ignacio Banzo
To compare the visual and semiquantitative analysis of carbon-11-methionine (C-MET) PET/computed tomography (CT) images in patients with primary brain tumors and suspected recurrence, persistence, or necrotic post-therapeutic changes. A total of 41 consecutive C-MET-PET/CT scans on 35 (21 men, mean age 44.1±16.6 years) patients were requested for MRI suspicion of recurrent or persistent primary tumor after therapy. The C-MET PET/CT were obtained 20 min after an intravenous injection of 555-740 MBq (15-20 mCi) of C-MET...
September 12, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28905231/sleep-disordered-breathing-and-the-risk-of-cognitive-decline-a-meta-analysis-of-19-940-participants
#9
REVIEW
Xiaoxia Zhu, Yanli Zhao
Sleep-disordered breathing (SDB) is related to the incidence of cognitive decline. However, results of cohort studies were inconsistent. We performed a meta-analysis of cohort studies to evaluate the sequential association between SDB and cognitive decline. Cohort studies were identified by the searching of PubMed and Embase databases. A random effect model was applied to combine the results. Nineteen thousand nine hundred forty participants from six cohort studies were included. Participants with SDB at baseline had significantly higher risk of cognitive decline, as indicated by a combined outcome of mild cognitive impairment (MCI) or dementia (RR = 1...
September 13, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28903738/a-randomized-controlled-trial-of-physical-activity-with-individual-goal-setting-and-volunteer-mentors-to-overcome-sedentary-lifestyle-in-older-adults-at-risk-of-cognitive-decline-the-indigo-trial-protocol
#10
Kay L Cox, Elizabeth V Cyarto, Christopher Etherton-Beer, Kathryn A Ellis, Helman Alfonso, Linda Clare, Danny Liew, David Ames, Leon Flicker, Osvaldo P Almeida, Dina LoGiudice, Nicola T Lautenschlager
BACKGROUND: Increasing physical activity (PA) effectively in those who are inactive is challenging. For those who have subjective memory complaints (SMC) or mild cognitive impairment (MCI) this is a greater challenge necessitating the need for more engaging and innovative approaches. The primary aim of this trial is to determine whether a home-based 6-month PA intervention with individual goal-setting and peer mentors (GM-PA) can significantly increase PA levels in insufficiently active older adults at increased risk of developing Alzheimer's disease (AD)...
September 13, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28901834/association-between-gait-and-dual-task-with-cognitive-domains-in-older-people-with-cognitive-impairment
#11
Juliana Hotta Ansai, Larissa Pires de Andrade, Paulo Giusti Rossi, Mariana Luciano Almeida, Francisco Assis Carvalho Vale, José Rubens Rebelatto
The authors investigated whether impaired gait and dual-task performances are associated with specific cognitive domains among older people with preserved cognition (PC), mild cognitive impairment (MCI), and mild Alzheimer's disease (AD). The sample comprised 40 older adults with PC, 40 with MCI, and 38 with mild AD. The assessment consisted of gait (measured by 10-m walk test and Timed Up and Go Test [TUGT]), dual task (measured by TUGT associated with a cognitive-motor task of calling a phone number), and cognition (domains of the Addenbrooke Cognitive Examination-Revised and Frontal Assessment Battery [FAB])...
September 13, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28899812/the-starving-brain-overfed-meets-undernourished-in-the-pathology-of-mild-cognitive-impairment-mci-and-alzheimer-s-disease-ad
#12
REVIEW
Kelly J Gibas
Type II Diabetes affects 400 million people worldwide (IDF, 2013). The pathology is paradoxical: internal starvation activated by overfeeding. Hyperinsulinemic impairments of glucose homeostasis are treated with anti-hyperglycemics exacerbating cell starvation, inducing hypoglycemia and raising respiratory quotient. Reductions in hyperglycemia are achieved at the expense of glucose dependency and metabolic inflexibility (Gibas & Gibas, 2017). The brain is not immune from these cycles of starvation. The bioenergetic model characterizes propagation of late-onset, sporadic Alzheimer's disease as loss of molecular fidelity and compromised energy originating in brain networks with highest metabolic demand...
September 9, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28899429/amyloid-independent-atrophy-patterns-predict-time-to-progression-to-dementia-in-mild-cognitive-impairment
#13
Mara Ten Kate, Frederik Barkhof, Pieter Jelle Visser, Charlotte E Teunissen, Philip Scheltens, Wiesje M van der Flier, Betty M Tijms
BACKGROUND: Amyloid pathology in subjects with mild cognitive impairment (MCI) is an important risk factor for progression to dementia due to Alzheimer's disease. Predicting the onset of dementia is challenging even in the presence of amyloid, as time to progression varies considerably among patients and depends on the onset of neurodegeneration. Survival analysis can account for variability in time to event, but has not often been applied to MRI measurements beyond singular predefined brain regions such as the hippocampus...
September 12, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28895973/development-and-testing-of-a-neuropsychiatric-symptoms-model-in-mild-cognitive-impairment
#14
Laura Kirk, Glenn E Smith, Joseph E Gaugler, Ken Hepburn, David Knopman, Marsha Lewis
Neuropsychiatric symptoms are prevalent in individuals with mild cognitive impairment (MCI) and have a significant detrimental effect on health and quality of life. Identifying factors that contribute to their occurrence may enable prompt treatment and intervention. The current study entails the development and testing of a biopsychosocially based model to assist nurses in the identification of individuals with MCI who are most likely to experience symptoms of depression, apathy, and/or anxiety. Factors within the biological and sociodemographic domains of the Neuropsychiatric Symptoms in MCI (NPSMCI) model were tested using multivariate logistic regression analyses...
September 12, 2017: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/28894902/development-and-validation-of-a-medicines-comorbidity-index-for-older-people
#15
Sujita W Narayan, Prasad S Nishtala
PURPOSE: An index for estimating multimorbidity based on prescription claims data is important for predicting health outcomes for older people in pharmacoepidemiological studies. We aimed to develop a Medicines Comorbidity Index (MCI) based on nationwide prescription claims data and evaluate its performance in predicting adverse outcomes in older individuals. METHODS: The index was developed on a retrospective cohort comprising of all individuals aged ≥ 65 years old, captured in the claims dataset from 1st January to 31st December 2012...
September 11, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28893185/factors-that-influence-the-levels-of-cerebrospinal-fluid-biomarkers-in-memory-clinic-patients
#16
Anne-Brita Knapskog, Rannveig Sakshaug Eldholm, Anne Braekhus, Knut Engedal, Ingvild Saltvedt
BACKGROUND: The cerebrospinal fluid (CSF) biomarkers amyloid β (Aβ), phospho tau (P-tau) and total tau (T-tau) are used increasingly to support a clinical diagnosis of Alzheimer's disease. The diagnostic power of these biomarkers has been reported to vary among different studies' results. The results are poorer when heterogeneous groups of patients have been included compared to studies where patients with Alzheimer's dementia (AD) and healthy controls have been studied. The aim of this study was to examine if age, APOE genotype and sex were associated with the levels of CSF biomarkers among patients referred to a memory clinic...
September 11, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28892128/nursing-home-use-across-the-spectrum-of-cognitive-decline-merging-mayo-clinic-study-of-aging-with-cms-mds-assessments
#17
Jane A Emerson, Carin Y Smith, Kirsten H Long, Jeanine E Ransom, Rosebud O Roberts, Steven L Hass, Amy M Duhig, Ronald C Petersen, Cynthia L Leibson
BACKGROUND/OBJECTIVES: Objective, complete estimates of nursing home (NH) use across the spectrum of cognitive decline are needed to help predict future care needs and inform economic models constructed to assess interventions to reduce care needs. DESIGN: Retrospective longitudinal study. SETTING: Olmsted County, MN. PARTICIPANTS: Mayo Clinic Study of Aging participants assessed as cognitively normal (CN), mild cognitive impairment (MCI), previously unrecognized dementia, or prevalent dementia (age = 70-89 years; N = 3,545)...
September 11, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28891971/risk-factors-for-mild-cognitive-impairment-mci
#18
EDITORIAL
Andrea Mary Loftus
It was has been my pleasure to have acted as the guest editor for the Brain Sciences Special Issue on Mild Cognitive Impairment (MCI).[...].
September 11, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28891818/machine-learning-support-to-individual-diagnosis-of-mild-cognitive-impairment-using-multimodal-mri-and-cognitive-assessments
#19
Matteo De Marco, Leandro Beltrachini, Alberto Biancardi, Alejandro F Frangi, Annalena Venneri
BACKGROUND: Understanding whether the cognitive profile of a patient indicates mild cognitive impairment (MCI) or performance levels within normality is often a clinical challenge. The use of resting-state functional magnetic resonance imaging (RS-fMRI) and machine learning may represent valid aids in clinical settings for the identification of MCI patients. METHODS: Machine-learning models were computed to test the classificatory accuracy of cognitive, volumetric [structural magnetic resonance imaging (sMRI)] and blood oxygen level dependent-connectivity (extracted from RS-fMRI) features, in single-modality and mixed classifiers...
September 7, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28891447/potential-role-of-neuroimaging-markers-for-early-diagnosis-of-dementia-in-primary-care
#20
Stefan Teipel, Ingo Kilimann, Jochen R Thyrian, Stefan Klöppel, Wolfgang Hoffmann
BACKGROUND: The use of imaging markers for the diagnosis of predementia and early dementia stages of Alzheimer's disease (AD) has widely been explored in research settings and specialized care. The use of these markers in primary care has yet to be established. OBJECTIVE: Summarize current evidence for the usefulness of imaging markers for AD in primary compared to specialized care settings. METHOD: Selective overview of the literature, and pilot data on the use of MRI-based hippocampus and basal forebrain volumetry for the discrimination of AD dementia and mild cognitive impairment (MCI) cases from healthy controls in 58 cases from a primary care cohort and 58 matched cases from a memory clinic's sample...
September 7, 2017: Current Alzheimer Research
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