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Subjective Cognitive Decline

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https://www.readbyqxmd.com/read/28338340/serum-interleukin-6-is-related-to-lower-cognitive-functioning-in-elderly-patients-with-major-depression
#1
Nehad Samir Ali, Abdel Hamid Hashem Hashem, Akmal Mostafa Hassan, Alia Adel Saleh, Heba Nabil El-Baz
BACKGROUND: There is an increased evidence of an association between inflammatory mediators, particularly serum IL-6, depression and cognitive impairment in the elderly. This study aims at exploring the relation of peripheral IL-6 to cognitive functions in elderly patients with major depressive disorder (MDD). OBJECTIVES: (1) Assessment of serum IL-6 levels and cognitive functions in elderly patients suffering from major depression and comparing them to healthy age-matched control subjects; (2) correlation between serum IL-6 levels and clinical characteristics of depression and cognitive functions in these patients...
March 24, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28331953/value-of-fdg-pet-scans-of-non-demented-patients-in-predicting-rates-of-future-cognitive-and-functional-decline
#2
Nare Torosyan, Kelsey Mason, Magnus Dahlbom, Daniel H S Silverman
PURPOSE: The aim of this study was to examine the value of fluorodeoxyglucose (FDG) positron emission tomography (PET) in predicting subsequent rates of functional and cognitive decline among subjects considered cognitively normal (CN) or clinically diagnosed with mild cognitive impairment (MCI). METHODS: Analyses of 276 subjects, 92 CN subjects and 184 with MCI, who were enrolled in the Alzheimer's Disease Neuroimaging Initiative, were conducted. Functional decline was assessed using scores on the Functional Activities Questionnaire (FAQ) obtained over a period of 36 months, while cognitive decline was determined using the Alzheimer's disease Assessment Scale-Cognitive subscale (ADAS-Cog) and Mini-Mental State Examination (MMSE) scores...
March 22, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28329816/subjective-cognitive-decline-correlates-with-depression-symptoms-and-not-with-concurrent-objective-cognition-in-a-clinic-based-sample-of-older-adults
#3
Zvinka Z Zlatar, Martha Muniz, Douglas Galasko, David P Salmon
Objectives: Subjective cognitive decline (SCD) is common in older adults; however, its utility in clinic-based samples remains controversial given its strong associations with mood symptoms. Methods: Five hundred nineteen individuals aged 60-95 with a wide range of cognitive performance scores were referred by community health clinics for brief screening of cognitive complaints. Linear regression models examined the cross-sectional associations between SCD (5-item self-reported questions), symptoms of depression (Beck Depression Inventory [BDI]), and concurrent objective cognitive performance (Cognitive Composite) adjusting for demographics...
January 19, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28329071/association-of-mild-obstructive-sleep-apnea-with-cognitive-performance-excessive-daytime-sleepiness-and-quality-of-life-in-the-general-population-the-korean-genome-and-epidemiology-study-koges
#4
Hyun Kim, Robert J Thomas, Chang-Ho Yun, Rhoda Au, Seung Ku Lee, Sunghee Lee, Chol Shin
Study Objectives: Research points to impaired cognitive performance in sleep clinic patients with obstructive sleep apnea (OSA). However, inconsistent findings from various epidemiologic studies make this relationship less generalizable. The current study investigated the association between OSA functional outcome measures, such as cognition, daytime sleepiness, and quality of life, in a Korean general population sample. Methods: A total of 1,492 participants from the Korean Genome and Epidemiology Study (KoGES) were included in the analyses...
January 28, 2017: Sleep
https://www.readbyqxmd.com/read/28326035/hippocampal-and-amygdala-gray-matter-loss-in-elderly-controls-with-subtle-cognitive-decline
#5
Davide Zanchi, Panteleimon Giannakopoulos, Stefan Borgwardt, Cristelle Rodriguez, Sven Haller
In contrast to the idea that hippocampal and amygdala volume loss occur in late phases of neurodegeneration, recent contributions point to the relevance of preexisting structural deficits that are associated with aging and are independent of amyloid deposition in preclinical Alzheimer disease cases. The present work explores GM hippocampal and amygdala volumes in elderly controls displaying the first signs of cognitive decline. 455 subjects (263 females), including 374 controls (228 females) and 81 middle cognitive impairment subjects (35 females), underwent two neuropsychological evaluations (baseline and 18 months follow-up) and a MRI-T1 examination (only baseline)...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28320441/decreased-cortical-fadd-protein-is-associated-with-clinical-dementia-and-cognitive-decline-in-an-elderly-community-sample
#6
Alfredo Ramos-Miguel, Jesús A García-Sevilla, Alasdair M Barr, Thomas A Bayer, Peter Falkai, Sue E Leurgans, Julie A Schneider, David A Bennett, William G Honer, M Julia García-Fuster
BACKGROUND: FADD (Fas-associated death domain) adaptor is a crucial protein involved in the induction of cell death but also mediates non-apoptotic actions via a phosphorylated form (p-Ser194-FADD). This study investigated the possible association of FADD forms with age-related neuropathologies, cognitive function, and the odds of dementia in an elderly community sample. METHODS: FADD forms were quantified by western blot analysis in dorsolateral prefrontal cortex (DLPFC) samples from a large cohort of participants in a community-based aging study (Memory and Aging Project, MAP), experiencing no-(NCI, n = 51) or mild-(MCI, n = 42) cognitive impairment, or dementia (n = 57)...
March 20, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28320161/circulating-autoantibodies-against-the-nr2-peptide-of-the-nmda-receptor-are-associated-with-subclinical-brain-damage-in-hypertensive-patients-with-other-pre-existing-conditions-for-vascular-risk
#7
S González-García, A González-Quevedo, Z Hernandez-Diaz, L Alvarez Camino, M Peña-Sanchez, A Cordero-Eiriz, M Brown, J A Gaya, M Betancourt-Losa, I Fernandez-Almirall, M C Menendez-Sainz, R Fernandez-Carriera
Arterial hypertension (HT) and other vascular pre-existing conditions (PEC) generate asymptomatic brain damage which increases the occurrence of stroke and cognitive decline. The aim of this work was to explore if serum antibodies against the NR2 subunit of the NMDA receptor (NR2Ab) could predict subclinical brain damage (SBD) in hypertensive patients with PEC. Forty seven neurologically asymptomatic hypertensive subjects were classified according to the number of PEC (retinopathy, overweight/obesity, diabetes mellitus and dyslipidemia)...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28318059/low-normal-csf-a%C3%AE-42-levels-predict-clinical-progression-in-non-demented-subjects
#8
Betty M Tijms, Daniela Bertens, Rosalinde E Slot, Alida A Gouw, Charlotte E Teunissen, Philip Scheltens, Wiesje M van der Flier, Pieter Jelle Visser
We studied whether continuous lower normal cerebrospinal fluid (CSF) amyloid β 1-42 (≥640 pg/ml) levels related with rate of clinical progression in a sample of 393 non-demented memory clinic patients. Lower normal levels were associated with faster clinical progression and this depended on baseline cognitive status (subjective cognitive decline: HR = 0.59, p <.05; mild cognitive impairment: HR=0.12, p <.001), indicating that normal CSF amyloid levels do not exclude incident Alzheimer's disease. These findings suggest that research on preclinical markers for Alzheimer's disease should take the continuum of CSF amyloid β 1-42 levels within the normal range into account...
March 20, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28317003/peri-operative-inflammatory-cytokines-in-plasma-of-the-elderly-correlate-in-prospective-study-with-postoperative-changes-in-cognitive-test-scores
#9
R Kline, E Wong, M Haile, S Didehvar, S Farber, A Sacks, E Pirraglia, M J de Leon, A Bekker
Increasingly, postoperative cognitive dysfunction (POCD) is recognized as a complication after surgery in the elderly; but it's etiology remains unclear. Here we examine changes in cytokine levels during both the pre-operative and postoperative period, comparing them with long term variation in cognitive test scores. Forty-one patients aged 65 and older undergoing major surgery with general anesthesia were recruited after written consent in this IRB approved study. Thirty went on to complete this prospective, non-interven-tional and non-randomized study...
August 2016: Int J Anesthesiol Res
https://www.readbyqxmd.com/read/28315450/phospholipid-oxidation-and-carotenoid-supplementation-in-alzheimer-s-disease-patients
#10
O S Ademowo, H K I Dias, I Milic, A Devitt, R Moran, R Mulcahy, A N Howard, J M Nolan, H R Griffiths
Alzheimer's disease (AD) is a progressive, neurodegenerative disease, characterised by decline of memory, cognitive function and changes in behaviour. Generic markers of lipid peroxidation are increased in AD, therefore reactive oxygen species have been suggested to be involved in the aetiology of cognitive decline. Carotenoids are depleted in AD serum, therefore we have compared serum lipid oxidation between AD and age-matched control subjects before and after carotenoid supplementation. The novel oxidised phospholipid biomarker 1-palmitoyl-2-(5'-oxo-valeroyl)-sn-glycero-3-phosphocholine (POVPC) was analysed using electrospray ionization tandem mass spectrometry (MS) with multiple reaction monitoring (MRM), 8-isoprostane (IsoP) was measured by ELISA and ferric reducing antioxidant potential (FRAP) was measured by a colorimetric assay...
March 14, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28315409/in-vivo-tau-pet-imaging-in-dementia-pathophysiology-radiotracer-quantification-and-a-systematic-review-of-clinical-findings
#11
REVIEW
Benjamin Hall, Elijah Mak, Simon Cervenka, Franklin I Aigbirhio, James B Rowe, John T O'Brien
In addition to the deposition of β-amyloid plaques, neurofibrillary tangles composed of aggregated hyperphosphorylated tau are one of the pathological hallmarks of Alzheimer's disease and other neurodegenerative disorders. Until now, our understanding about the natural history and topography of tau deposition has only been based on post-mortem and cerebrospinal fluid studies, and evidence continues to implicate tau as a central driver of downstream neurodegenerative processes and cognitive decline. Recently, it has become possible to assess the regional distribution and severity of tau burden in vivo with the development of novel radiotracers for positron emission tomography (PET) imaging...
March 15, 2017: Ageing Research Reviews
https://www.readbyqxmd.com/read/28304291/insulin-resistance-and-future-cognitive-performance-and-cognitive-decline-in%C3%A2-elderly-patients-with-cardiovascular-disease
#12
Miri Lutski, Galit Weinstein, Uri Goldbourt, David Tanne
BACKGROUND: The role of insulin resistance (IR) in the pathogenesis of cognitive performance is not yet clear. OBJECTIVE: To examine the associations between IR and cognitive performance and change in cognitive functions two decades later in individuals with cardiovascular disease with and without diabetes. METHODS: A subset of 489 surviving patients (mean age at baseline 57.7±6.5 y) with coronary heart disease who previously participated in the secondary prevention Bezafibrate Infarction Prevention (BIP trial; 1990-1997), were included in the current neurocognitive study...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28299642/cerebromicrovascular-dysfunction-predicts-cognitive-decline-and-gait-abnormalities-in-a-mouse-model-of-whole-brain-irradiation-induced-accelerated-brain-senescence
#13
Zoltan Ungvari, Stefano Tarantini, Peter Hertelendy, M Noa Valcarcel-Ares, Gabor A Fülöp, Sreemathi Logan, Tamas Kiss, Eszter Farkas, Anna Csiszar, Andriy Yabluchanskiy
Whole brain irradiation (WBI) is a mainstream therapy for patients with both identifiable brain metastases and prophylaxis for microscopic malignancies. However, it also promotes accelerated senescence in healthy tissues and leads to progressive cognitive dysfunction in up to 50% of tumor patients surviving long term after treatment, due to γ-irradiation-induced cerebromicrovascular injury. Moment-to-moment adjustment of cerebral blood flow (CBF) via neuronal activity-dependent cerebromicrovascular dilation (functional hyperemia) has a critical role in maintenance of healthy cognitive function...
February 2017: Geroscience
https://www.readbyqxmd.com/read/28299348/beneficial-effects-of-yogasanas-and-pranayama-in-limiting-the-cognitive-decline-in-type-2-diabetes
#14
Santhakumari Rajani, Rajagopalan Archana, Yogananda Reddy Indla, P Rajesh
BACKGROUND: Out of many complications that were observed in type 2 diabetes, cognitive impairment is the most neglected. AIM AND OBJECTIVES: The aim of the present study is to assess the cognitive decline in type 2 diabetes and to observe the role of yogasanas and pranayama in ameliorating the cognitive decline. MATERIALS AND METHODS: Sixty eight type 2 diabetic subjects were recruited in the study, 34 of them did specific yogasanas and pranayama (test group) for six months and the remaining age and sex matched 34 subjects were recruited as (control group) who were not on any specific exercise regimen...
2017: Natl J Physiol Pharm Pharmacol
https://www.readbyqxmd.com/read/28289829/subjective-memory-impairment-in-general-practice-short-overview-and-design-of-a%C3%A2-mixed-methods-study
#15
Michael Pentzek, Verena Leve, Verena Leucht
BACKGROUND: Public awareness for dementia is rising and patients with concerns about forgetfulness are not uncommon in general practice. For the general practitioner (GP) subjectively perceived memory impairment (SMI) also offers a chance to broach the issue of cognitive function with the patient. This may support GPs' patient-centered care in terms of a broader frailty concept. OBJECTIVE: What is SMI (definition, operationalization, prevalence and burden)? Which conceptions and approaches do GPs have regarding SMI? METHODS: Narrative overview of recent SMI criteria and results, selective utilization of results from a systematic literature search on GP dementia care, non-systematic search regarding SMI in general practice, deduction of a study design from the overview and development according to international standards...
March 13, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28289701/identifying-memory-impairment-and-early-dementia-in-primary-care
#16
Ellen Grober, Dorothy Wakefield, Amy R Ehrlich, Peter Mabie, Richard B Lipton
INTRODUCTION: This study examined the operating characteristics of two-stage case finding to identify memory impairment and very mild dementia. METHODS: Primary care patients underwent two-stage testing and a subsequent diagnostic assessment to assess outcomes. Patients who screen positive for subjective cognitive decline on the Informant Questionnaire on Cognitive Decline in the Elderly undergo memory testing with the Free and Cued Selective Reminding Test with Immediate Recall...
2017: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
https://www.readbyqxmd.com/read/28287976/network-optimization-of-functional-connectivity-within-default-mode-network-regions-to-detect-cognitive-decline
#17
Wanpracha Art Chaovalitwongse, Daehan Won, Onur Seref, Paul Borghesani, Mary Katie Askren, Sherry Willis, Tom Grabowski
The rapid aging of the world's population is causing an increase in the prevalence of cognitive decline and degenerative brain disease in the elderly. Current diagnoses of amnestic and nonamnestic Mild Cognitive Impairment (MCI), which may represent early stage Alzheimer's disease or related degenerative conditions, are based on clinical grounds. The recent emergence of advanced network analyses of functional Magnetic Resonance Imaging (fMRI) data taken at cognitive rest has provided insight that declining functional connectivity of the default mode network (DMN) may be correlated with neurological disorders, and particularly prodromal Alzheimer's disease...
March 7, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28287781/stability-and-change-in-subjective-well-being-the-role-of-performance-based-and-self-rated-cognition
#18
Tina Braun, Stefan C Schmukle, Ute Kunzmann
The primary goal of this study was to address the stability-despite-loss paradox of subjective well-being. Performance-based and self-evaluative measures of cognitive functioning were examined as predictors of subjective well-being in middle-aged and older adults using data from the Interdisciplinary Longitudinal Study of Adult Development (ILSE). Consistent with past work, subjective well-being remained relatively stable over a period of 12 years in both age groups, although performance-based and self-rated cognition declined over time...
March 2017: Psychology and Aging
https://www.readbyqxmd.com/read/28287184/a-disease-severity-index-to-identify-individuals-with-subjective-memory-decline-who-will-progress-to-mild-cognitive-impairment-or-dementia
#19
Daniel Ferreira, Farshad Falahati, Cecilia Linden, Rachel F Buckley, Kathryn A Ellis, Greg Savage, Victor L Villemagne, Christopher C Rowe, David Ames, Andrew Simmons, Eric Westman
Subjective memory decline (SMD) is a heterogeneous condition. While SMD might be the earliest sign of Alzheimer's disease (AD), it also occurs in aging and various neurological, medical, and psychiatric conditions. Identifying those with higher risk to develop dementia is thus a major challenge. We tested a novel disease severity index generated by multivariate data analysis with numerous structural MRI measures as input. The index was used to identify SMD individuals with high risk of progression to mild cognitive impairment (MCI) or AD...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28276180/cognitive-impairment-self-perceived-health-and-quality-of-life-of-older-prisoners
#20
Nicolas Combalbert, Valérie Pennequin, Claude Ferrand, Marine Armand, Morgane Anselme, Brigitte Geffray
BACKGROUND: There is a wealth of studies of somatic and mental illness among prisoners, but little on older prisoners and their cognitive aging. AIMS: Our study examines the cognitive performance of older male prisoners and its effect on their perceived health and quality of life. METHODS: A total of 138 men aged 50 or over were recruited in seven French prisons and 138 men of similar ages from the general population. Two assessments of executive cognitive functions - the mini-mental state examination and the frontal assessment battery - were administered to each participant, together with self rating schedules of health (Nottingham Health Profile), subjective state of mental health and quality of life (the brief World Health Organisation Quality of Life Questionnaire)...
March 9, 2017: Criminal Behaviour and Mental Health: CBMH
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