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Assessment cognitive decline

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https://www.readbyqxmd.com/read/29454023/interaction-between-hypothermia-and-delayed-mesenchymal-stem-cell-therapy-in-neonatal-hypoxic-ischemic-brain-injury
#1
Josephine Herz, Christian Köster, Barbara S Reinboth, Mark Dzietko, Wiebke Hansen, Hemmen Sabir, Cindy van Velthoven, Ivo Bendix, Ursula Felderhoff-Müser
Acute hypothermia treatment (HT) is the only clinically established intervention following neonatal hypoxic-ischemic brain injury. However, almost half of all cooled infants still die or suffer from long-lasting neurological impairments. Regenerative therapies, such as mesenchymal stem cells (MSC) appear promising as adjuvant therapy. In the present study, we hypothesized that HT combined with delayed MSC therapy results in augmented protection, improving long-term neurological outcome. Postnatal day 9 (P9) C57BL/6 mice were exposed to hypoxia-ischemia followed by 4 hours HT...
February 14, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29453331/a-prospective-cohort-evaluation-of-the-cortisol-response-to-cardiac-surgery-with-occurrence-of-early-postoperative-cognitive-decline
#2
Sandro Glumac, Goran Kardum, Nenad Karanović
BACKGROUND A recent study reported that patients with higher cortisol levels on the 1st postoperative morning after cardiac surgery exhibited an increased risk of early postoperative cognitive decline (POCD). Therefore, we conducted the current study to gain further insight into the stress response to a surgical procedure as a potential risk factor for early POCD after cardiac surgery. MATERIAL AND METHODS This prospective cohort study enrolled 125 patients undergoing elective cardiac surgery with or without cardiopulmonary bypass (CPB)...
February 17, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29452984/quantitative-cerebrovascular-pathology-in-a-community-based-cohort-of-older-adults
#3
Swati Rane, Natalie Koh, Peter Boord, Tara Madhyastha, Mary K Askren, Suman Jayadev, Brenna Cholerton, Eric Larson, Thomas J Grabowski
Cerebrovascular disease, especially small vessel pathology, is the leading comorbidity in degenerative disorders. We applied arterial spin labeling and cerebrovascular reserve (CVR) imaging to quantify small vessel disease and study its effect on cognitive symptoms in nondemented older adults from a community-based cohort. We evaluated baseline cerebral blood flow (CBF) using arterial spin labeling and percent signal change as a marker of CVR using blood-oxygen level-dependent imaging following a breath-hold stimulus...
January 31, 2018: Neurobiology of Aging
https://www.readbyqxmd.com/read/29452810/interleukin-6-is-both-necessary-and-sufficient-to-produce-perioperative-neurocognitive-disorder-in-mice
#4
J Hu, X Feng, M Valdearcos, D Lutrin, Y Uchida, S K Koliwad, M Maze
BACKGROUND: Perioperative neurocognitive disorders (PND) result in long-term morbidity and mortality with no effective interventions available. Because interleukin-6 (IL-6), a pro-inflammatory cytokine, is consistently up-regulated by trauma, including after surgery, we determined whether IL-6 is a putative therapeutic target for PND in a mouse model. METHODS: Following institutional approval, adult (12-14 weeks) male C57/Bl6 mice were pretreated with the IL-6 receptor (IL6R) blocking antibody tocilizumab prior to open tibia fracture with internal fixation under isoflurane anaesthesia...
March 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29451849/a-comprehensive-review-of-eggs-choline-and-lutein-on-cognition-across-the-life-span
#5
Taylor C Wallace
In 2030, one in five Americans will be older than 65 years, and with that an increase in the number of individuals who experience loss in cognitive capacity is to be expected. At the same time, nutrition within the first 1000 days postconception has been suggested to strongly influence cognitive outcomes across the life-span in humans. Eggs are a primary source of both choline and the xanthophyll carotenoid lutein in the western diet, and both have been suggested to influence cognitive function in humans. This comprehensive review critically examines the effects of eggs, choline, and lutein on cognition across the life-span...
February 16, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29451096/elevated-crp-at-admission-predicts-post-stroke-cognitive-impairment-in-han-chinese-patients-with-intracranial-arterial-stenosis
#6
Jian Guo, Wei Su, Jinhuan Fang, Ning Chen, Muke Zhou, Yang Zhang, Li He
OBJECTIVES: Elevated C-reactive protein (CRP) levels have been associated with cognitive deficits in certain patient populations, but whether this is also true of ischemic stroke patients is controversial. This study aims to examine the possible association between CRP concentration and post-stroke cognitive impairment (PSCI) in Han Chinese patients and to determine whether this association depends on intracranial arterial stenosis (ICAS). METHODS: Patients with mild or moderate stroke admitted to a large regional medical center in Western China were consecutively enrolled in our study...
February 16, 2018: Neurological Research
https://www.readbyqxmd.com/read/29448875/screening-for-cognitive-impairment-in-an-australian-aged-care-assessment-team-as-part-of-comprehensive-geriatric-assessment
#7
Roger Clarnette, Ming Goh, Sneha Bharadwaj, Jillian Ryan, Suzanne Ellis, Anton Svendrovski, D William Molloy, Rónán O'Caoimh
Accurate detection of mild cognitive impairment (MCI) is important to stratify and address risk. Yet, few short cognitive screening instruments are validated for this. . In Australia, all clients referred to an Aged Care Assessment Team (ACAT) receive comprehensive geriatric assessment (CGA) including the Standardized Mini-Mental State Examination (SMMSE). We compared the accuracy of the quick mild cognitive impairment (Qmci) screen to the SMMSE in 283 participants: 195 with dementia, 47 with MCI, and 41 with subjective cognitive decline (SCD) in an Australian community-based ACAT...
February 15, 2018: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
https://www.readbyqxmd.com/read/29446191/speech-understanding-in-noise-in-elderly-adults-the-effect-of-inhibitory-control-and-syntactic-complexity
#8
Eline C van Knijff, Martine Coene, Paul J Govaerts
BACKGROUND: Previous research has suggested that speech perception in elderly adults is influenced not only by age-related hearing loss or presbycusis but also by declines in cognitive abilities, by background noise and by the syntactic complexity of the message. AIMS: To gain further insight into the influence of these cognitive as well as acoustic and linguistic factors on speech perception in elderly adults by investigating inhibitory control as a listener characteristic and background noise type and syntactic complexity as input characteristics...
February 15, 2018: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/29445508/development-of-the-japanese-version-of-the-preschool-confusion-assessment-method-for-the-icu
#9
Yujiro Matsuishi, Haruhiko Hoshino, Nobutake Shimojo, Yuki Enomoto, Takahiro Kido, Subrina Jesmin, Masahiko Sumitani, Yoshiaki Inoue
Aim: Delirium is associated with various negative clinical outcomes, such as decline in cognitive ability, increased length of hospital stay, and higher mortality. For these reasons, early diagnosis of delirium is critical. Unfortunately, there are no reliable diagnostic criteria or tool of delirium for infants and preschool-aged children in Japan. The aim of the present study was to translate a new delirium assessment tool, the Preschool Confusion Assessment Method for the Intensive Care Unit (psCAM-ICU), for accurately diagnosing clinically ill infants and preschool-aged children, from English to Japanese...
January 2018: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29444971/anosognosia-predicts-default-mode-network-hypometabolism-and-clinical-progression-to-dementia
#10
Joseph Therriault, Kok Pin Ng, Tharick A Pascoal, Sulantha Mathotaarachchi, Min Su Kang, Hanne Struyfs, Monica Shin, Andrea L Benedet, Ishan C Walpola, Vasavan Nair, Serge Gauthier, Pedro Rosa-Neto
OBJECTIVE: To identify the pathophysiologic mechanisms and clinical significance of anosognosia for cognitive decline in mild cognitive impairment. METHODS: We stratified 468 patients with amnestic mild cognitive impairment into intact and impaired awareness groups, determined by the discrepancy between the patient and the informant score on the Everyday Cognition questionnaire. Voxel-based linear regression models evaluated the associations between self-awareness status and baseline β-amyloid load, measured by [ 18 F]florbetapir, and the relationships between awareness status and regional brain glucose metabolism measured by [ 18 F]fluorodeoxyglucose at baseline and at 24-month follow-up...
February 14, 2018: Neurology
https://www.readbyqxmd.com/read/29444171/reduced-cognitive-function-increased-blood-brain-barrier-transport-and-inflammatory-responses-and-altered-brain-metabolites-in-ldlr-and-c57bl-6-mice-fed-a-western-diet
#11
Jennifer M Rutkowsky, Linda L Lee, Michelle Puchowicz, Mari S Golub, Douglas E Befroy, Dennis W Wilson, Steven Anderson, Gary Cline, Jason Bini, Kamil Borkowski, Trina A Knotts, John C Rutledge
Recent work suggests that diet affects brain metabolism thereby impacting cognitive function. Our objective was to determine if a western diet altered brain metabolism, increased blood-brain barrier (BBB) transport and inflammation, and induced cognitive impairment in C57BL/6 (WT) mice and low-density lipoprotein receptor null (LDLr -/-) mice, a model of hyperlipidemia and cognitive decline. We show that a western diet and LDLr -/- moderately influence cognitive processes as assessed by Y-maze and radial arm water maze...
2018: PloS One
https://www.readbyqxmd.com/read/29441669/hiv-ageing-cognition-and-neuroimaging-at-4-year-follow-up
#12
B I Haynes, M Pitkanen, R Kulasegaram, S J Casey, M Schutte, K Towgood, B Peters, G J Barker, M D Kopelman
OBJECTIVES: The aim of the study was to investigate the hypothesis of accelerated cognitive ageing in HIV-positive individuals using longitudinal assessment of cognitive performance and quantitative magnetic resonance imaging (MRI). METHODS: We assessed a broad cognitive battery and quantitative MRI metrics [voxel-based morphometry (VBM) and diffusion tensor imaging (DTI)] in asymptomatic HIV-positive men who have sex with men (15 aged 20-40 years and 15 aged ≥ 50 years), and HIV-seronegative matched controls (nine aged 20-40 years and 16 aged ≥ 50 years)...
February 14, 2018: HIV Medicine
https://www.readbyqxmd.com/read/29440306/trends-and-determinants-of-the-flynn-effect-in-cognitive-functioning-among-older-individuals-in-10-european-countries
#13
Philipp Hessel, Jonas M Kinge, Vegard Skirbekk, Ursula M Staudinger
BACKGROUND: Although cognitive performance levels in old age have increased in most countries, recent evidence documents a slowing down or even decline in cohort gains in highly developed countries. The aim of this study was to assess trends and determinants in secular cohort gains in cognitive functioning among older individuals and whether cohort gains are levelling off in most advanced countries. METHODS: Data for individuals aged between 50 and 84 years from the Survey of Health, Ageing and Retirement in Europe in 10 European countries between 2004 and 2013 (n=92 739) were used to assess country and age-specific changes in immediate word recall...
February 9, 2018: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/29439855/catechol-o-methyltransferase-comt-genetic-variants-are-associated-with-cognitive-decline-in-patients-with-parkinson-s-disease
#14
Chin-Hsien Lin, Jun-Yu Fan, Han-I Lin, Chia-Wen Chang, Yih-Ru Wu
OBJECTIVE: Catechol-O-methyltransferase (COMT), an enzyme that catalyzes the degradation of dopamine, is necessary for both motor and cognitive functions. Few studies have examined the association between COMT variants and cognition in patients with Parkinson's disease (PD). METHODS: We assessed a cohort of 409 PD patients without dementia who were regularly followed for two years. The Unified Parkinson's Disease Rating Scale (UPDRS) and Mini-Mental State Examination (MMSE) were administered at baseline and during the follow-up...
February 9, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29439344/low-accuracy-of-brief-cognitive-tests-in-tracking-longitudinal-cognitive-decline-in-an-asian-elderly-cohort
#15
April Ka Sin Phua, Shaun Kuan Wei Hiu, Win King Goh, Mohammad Kamran Ikram, Narayanaswamy Venketasubramanian, Boon Yeow Tan, Christopher Li-Hsian Chen, Xin Xu
BACKGROUND: Researchers have questioned the utility of brief cognitive tests such as the Mini-Mental Status Examination (MMSE) and the Montreal Cognitive Assessment (MoCA) in serial administration and suggested that brief cognitive tests may not accurately track changes in Global Cognition. OBJECTIVE: To examine the accuracy of longitudinal changes on brief cognitive tests in reflecting progression in Global Cognition measured using comprehensive neuropsychological assessments...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29439337/utility-of-the-libra-index-in-relation-to-cognitive-functioning-in-a-clinical-health-seeking-sample
#16
Anke Pons, Haley M LaMonica, Loren Mowszowski, Sebastian Köhler, Kay Deckers, Sharon L Naismith
BACKGROUND: Dementia prevalence is expected to increase substantially over the next few decades. Since there is currently no cure for dementia available, there is an urgent need for the early identification of individuals at high risk for dementia, so that primary and secondary prevention strategies can be implemented. Recently, the LIfestyle for BRAin health (LIBRA) index was developed as a new dementia risk algorithm. It specifically focuses on modifiable risk and protective factors that can be targeted in midlife...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29439251/low-cerebral-oxygenation-is-associated-with-cognitive-impairment-in-chronic-hemodialysis-patients
#17
Lucie Kovarova, Anna Valerianova, Tereza Kmentova, Jana Lachmanova, Zuzana Hladinova, Jan Malik
BACKGROUND/AIMS: High rates of cognitive impairment (CI) are an alarming problem in patients undergoing chronic hemodialysis (HD). Its pathophysiology remains unclear and there are indications that brain ischemia might be one of the key causes. Cerebral tissue oxygenation, as measured by near-infrared spectroscopy, is known to be decreased in HD patients. However, it is unknown whether CI is associated or not associated with lower cerebral oxygenation in these patients. The primary aim of our study was to probe this possible association...
February 13, 2018: Nephron
https://www.readbyqxmd.com/read/29438267/clinical-significance-of-visually-equivocal-amyloid-pet-findings-from-the-alzheimer-s-disease-neuroimaging-initiative-cohort
#18
Minyoung Oh, Minjung Seo, Sun Young Oh, Heeyoung Kim, Byung Wook Choi, Jungsu S Oh, Jae Seung Kim
To evaluate the clinical and imaging characteristics of patients with visually equivocal amyloid PET images, patients from the Alzheimer's Disease Neuroimaging Initiative cohort who had fluorine-18-florbetapir PET scans both at baseline and 24 months were selected. Five nuclear medicine physicians visually assessed the PET images and classified them as either positive or negative. Images not reaching a majority agreement were classified as equivocal. Among a total of 379 patients, the number of patients in each fluorine-18-florbetapir PET negative/equivocal/positive categories was 218 (57...
February 12, 2018: Neuroreport
https://www.readbyqxmd.com/read/29435802/measuring-health-related-quality-of-life-hrqol-in-community-and-facility-based-care-settings-with-the-interrai-assessment-instruments-development-of-a-crosswalk-to-hui3
#19
John P Hirdes, Julie Bernier, Rochelle Garner, Philippe Finès, Micaela Jantzi
BACKGROUND: Health-related quality of life (HRQoL) measures are of interest because they can be used to describe health of populations and represent a broader health outcome for population health analyses than mortality rates or life expectancy. The most widely used measure of HRQoL for deriving estimates of health-adjusted life expectancy is the Health Utilities Index Mark 3 (HUI3). The HUI3 is available in most national surveys administered by Statistics Canada, and has been used as part of a microsimulation model to examine the impact of neurological conditions over the life course...
February 12, 2018: Quality of Life Research
https://www.readbyqxmd.com/read/29435333/combining-perceptual-regulation-and-exergaming-for-exercise-prescription-in-low-active-adults-with-and-without-cognitive-impairment
#20
Liam McAuliffe, Gaynor C Parfitt, Roger G Eston, Caitlin Gray, Hannah A D Keage, Ashleigh E Smith
 Background: Exercise adherence in already low-active older adults with and without mild cognitive impairment (MCI) remains low. Perceptual regulation and exergaming may facilitate future exercise behaviour by improving the affective experience, however evidence that this population can perceptually regulate is lacking. To explore this, we investigated 1) perceptual regulation of exercise intensity during either exergaming or regular ergometer cycling and 2) explored affective responses...
2018: BMC Sports Science, Medicine and Rehabilitation
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