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Post-stroke cognitive impairment

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https://www.readbyqxmd.com/read/28726651/factors-associated-with-post-stroke-fatigue-within-the-first-3-month-after-stroke
#1
I Delva, N Lytvynenko, M Delva
Aim - identify socio-demographic, personal and psychological factors associated with certain post-stroke fatigue (PSF) domains within first 3 months after stroke. There were examined patients consequently in definite time points after ischemic or hemorrhagic strokes: at hospital stay (234 patients), in 1 month (203 patients) and in 3 months (176 patients). Global PSF and certain PSF domains were measured by multidimensional fatigue inventory-20 (MFI-20) scale. In multivariate logistic regression analysis the majority of variables (gender, marital status, education level, smoking status, level of alcohol consumption, apathetic impairments, arterial hypertension, atrial fibrillation, ischemic heart disease, diabetes mellitus, body mass index, waist circumference) were not significantly associated with any PSF domain risk at any time point after stroke...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28701985/retrieval-practice-fails-to-insulate-episodic-memories-against-interference-after-stroke
#2
Bernhard Pastötter, Hanna Eberle, Ingo Aue, Karl-Heinz T Bäuml
Recent work in cognitive psychology showed that retrieval practice of previously studied information can insulate this information against retroactive interference from subsequently studied other information in healthy individuals. The present study examined whether this beneficial effect of interference reduction is also present in patients with stroke. Twenty-two patients with stroke, 4.6 months post injury on average, and 22 healthy controls participated in the experiment. In each of two experimental sessions, participants first studied a list of items (list 1) and then underwent a practice phase in which the list 1 items were either restudied or retrieval practiced...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28675607/comparison-of-the-mini-mental-state-examination-and-montreal-cognitive-assessment-executive-subtests-in-detecting-post-stroke-cognitive-impairment
#3
Chen Fu, Xianglan Jin, Baoxin Chen, Feiran Xue, Huanmin Niu, Rongjuan Guo, Zhigang Chen, Hong Zheng, Le Wang, Yunling Zhang
AIM: The Montreal Cognitive Assessment (MoCA) has been shown to be more sensitive in detecting executive dysfunction than the Mini-Mental State Examination (MMSE). However, it is still not known whether all the MoCA executive subtests contribute to the superior sensitivity. Thus, the present study aimed to determine how much executive abnormality was detected by the MMSE and MoCA executive subtests in a population-based cohort of Chinese post-stroke patients. METHODS: The MMSE and MoCA were collected from post-stroke patients (within 15 days to 1 month after stroke, including ischemic stroke and hemorrhagic stroke) in 14 hospitals of northern and southern China (including 10 top-graded hospitals and 4 community hospitals) between June 2011 and September 2013...
July 4, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28660849/racial-differences-in-neurocognitive-outcomes-post-stroke-the-impact-of-healthcare-variables
#4
Neco X Johnson, Maria J Marquine, Ilse Flores, Anya Umlauf, Carolyn M Baum, Alex W K Wong, Alexis C Young, Jennifer J Manly, Allen W Heinemann, Susan Magasi, Robert K Heaton
OBJECTIVES: The present study examined differences in neurocognitive outcomes among non-Hispanic Black and White stroke survivors using the NIH Toolbox-Cognition Battery (NIHTB-CB), and investigated the roles of healthcare variables in explaining racial differences in neurocognitive outcomes post-stroke. METHODS: One-hundred seventy adults (91 Black; 79 White), who participated in a multisite study were included (age: M=56.4; SD=12.6; education: M=13.7; SD=2.5; 50% male; years post-stroke: 1-18; stroke type: 72% ischemic, 28% hemorrhagic)...
June 29, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28637152/how-physical-therapists-instruct-patients-with-stroke-an-observational-study-on-attentional-focus-during-gait-rehabilitation-after-stroke
#5
Elmar Kal, Henrieke van den Brink, Han Houdijk, John van der Kamp, Paulien Helena Goossens, Coen van Bennekom, Erik Scherder
PURPOSE: People without neurological impairments show superior motor learning when they focus on movement effects (external focus) rather than on movement execution itself (internal focus). Despite its potential for neurorehabilitation, it remains unclear to what extent external focus strategies are currently incorporated in rehabilitation post-stroke. Therefore, we observed how physical therapists use attentional focus when treating gait of rehabilitating patients with stroke. METHODS: Twenty physical therapist-patient couples from six rehabilitation centers participated...
February 24, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28626050/admission-brain-cortical-volume-an-independent-determinant-of-poststroke-cognitive-vulnerability
#6
Sharmila Sagnier, Gwenaëlle Catheline, Bixente Dilharreguy, Fanny Munsch, Antoine Bigourdan, Mathilde Poli, Sabrina Debruxelles, Stéphane Olindo, Pauline Renou, François Rouanet, Vincent Dousset, Thomas Tourdias, Igor Sibon
BACKGROUND AND PURPOSE: Several markers of poststroke cognitive impairment have been reported. The role of brain cortical volume remains uncertain. The aim of this study was to evaluate the influence of brain cortical volume on cognitive outcomes using a voxel-based morphometry approach in subjects without prestroke dementia. METHODS: Ischemic stroke patients were prospectively recruited 24 to 72 hours post-stroke (M0). Cognition was evaluated at M0, 3 months, and 1 year (M12) using the Montreal Cognitive Assessment, the Isaacs set test, and the Zazzo's cancellation task...
June 16, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28615993/resveratrol-protects-against-icv-collagenase-induced-neurobehavioral-and-biochemical-deficits
#7
Navdeep Singh, Yashika Bansal, Ranjana Bhandari, Lovish Marwaha, Raghunath Singh, Kanwaljit Chopra, Anurag Kuhad
BACKGROUND: Indeed, intracerebral hemorrhage (ICH) account for only 15% of all strokes but it is one of the most devastating subtype of stroke associated with behavioral, cognitive and neurological deficits. The primary cause of neurological deficits in ICH is the hematoma growth, generation of free radicals, inflammatory cytokines and exhausting endogenous anti-oxidant machinery. It has been found that neuroinflammation following ICH leads to exaggeration of hallmarks of ICH. With this background, the study was aimed to evaluate the protective effect of resveratrol (RSV) in intracerebroventricular (ICV) collagenase (COL) induced neurological deficits in rats...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28596476/rnase-alleviates-neurological-dysfunction-in-mice-undergoing-cardiac-arrest-and-cardiopulmonary-resuscitation
#8
Ye Ma, Chan Chen, Shu Zhang, Qiao Wang, Hai Chen, Yuanlin Dong, Zheng Zhang, Yan Li, Zhendong Niu, Tao Zhu, Hai Yu, Bin Liu
Cardiac arrest (CA) is one of the leading lethal factors. Despite cardiopulmonary resuscitation (CPR) procedure has been consecutively improved and lots of new strategies have been developed, neurological outcome of the patients experienced CPR is still disappointing. Ribonuclease (RNase) has been demonstrated to have neuroprotective effects in acute stroke and postoperative cognitive impairment, possibly through acting against endogenous RNA that released from damaged tissue. However, the role of RNase in post-cardiac arrest cerebral injury is unknown...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28594352/automatic-artifact-removal-in-eeg-of-normal-and-demented-individuals-using-ica-wt-during-working-memory-tasks
#9
Noor Kamal Al-Qazzaz, Sawal Hamid Bin Mohd Ali, Siti Anom Ahmad, Mohd Shabiul Islam, Javier Escudero
Characterizing dementia is a global challenge in supporting personalized health care. The electroencephalogram (EEG) is a promising tool to support the diagnosis and evaluation of abnormalities in the human brain. The EEG sensors record the brain activity directly with excellent time resolution. In this study, EEG sensor with 19 electrodes were used to test the background activities of the brains of five vascular dementia (VaD), 15 stroke-related patients with mild cognitive impairment (MCI), and 15 healthy subjects during a working memory (WM) task...
June 8, 2017: Sensors
https://www.readbyqxmd.com/read/28583576/administration-of-huperzine-a-exerts-antidepressant-like-activity-in-a-rat-model-of-post-stroke-depression
#10
Yuan Du, Haiyue Liang, Leiming Zhang, Fenghua Fu
Post-stroke depression (PSD) is the most common mood disorder following a stroke, and is also the main factor limiting recovery and rehabilitation in stroke patients. The present study was aimed to investigate whether Huperzine A (HupA) has antidepressant-like activity in a rat model of PSD, which was developed by middle cerebral artery occlusion followed by an 18-day chronic unpredictable mild stress in conjunction with isolation rearing. The sucrose preference and forced swim tests were used to assess depression-like behavior...
July 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28583116/association-between-total-tau-and-brain-atrophy-one-year-after-first-ever-stroke
#11
Hege Ihle-Hansen, Guri Hagberg, Brynjar Fure, Bente Thommessen, Morten W Fagerland, Anne R Øksengård, Knut Engedal, Per Selnes
BACKGROUND: Although the most serious consequence of neuronal ischemia is acute neuronal death, mounting evidence suggests similarities between stroke and neurodegenerative disease. Brain atrophy visualized on structural MRI and pathological cerebrospinal fluid (CSF) concentrations of microtubule-associated protein tau (T-tau) and phosphorylated microtubule-associated protein tau indicate neurofibrillary degeneration. We aimed to explore the association between CSF T-tau and brain atrophy 1 year post-stroke...
June 5, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28539119/towards-the-concept-of-disease-modifier-in-post-stroke-or-vascular-cognitive-impairment-a-consensus-report
#12
Régis Bordet, Ralf Ihl, Amos D Korczyn, Giuseppe Lanza, Jelka Jansa, Robert Hoerr, Alla Guekht
BACKGROUND: Vascular cognitive impairment (VCI) is a complex spectrum encompassing post-stroke cognitive impairment (PSCI) and small vessel disease-related cognitive impairment. Despite the growing health, social, and economic burden of VCI, to date, no specific treatment is available, prompting the introduction of the concept of a disease modifier. CONSENSUS AND SUGGESTIONS: Within this clinical spectrum, VCI and PSCI remain advancing conditions as neurodegenerative diseases with progression of both vascular and degenerative lesions accounting for cognitive decline...
May 24, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28515342/clinical-presentations-and-epidemiology-of-vascular-dementia
#13
REVIEW
Eric E Smith
Cerebrovascular and cardiovascular diseases cause vascular brain injury that can lead to vascular cognitive impairment (VCI). VCI is the second most common neuropathology of dementia and mild cognitive impairment (MCI), accounting for up to one-third of the population risk. It is frequently present along with other age-related pathologies such as Alzheimer's disease (AD). Multiple etiology dementia with both VCI and AD is the single most common cause of later life dementia. There are two main clinical syndromes of VCI: post-stroke VCI in which cognitive impairment is the immediate consequence of a recent stroke and VCI without recent stroke in which cognitive impairment is the result of covert vascular brain injury detected only on neuroimaging or neuropathology...
June 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28505995/prediction-of-post-stroke-functional-mobility%C3%A2-from-the-initial-assessment-of%C3%A2-cognitive-function
#14
Se Hee Jung, Shi-Uk Lee, Jihong Park
BACKGROUND: Cognitive impairment is frequently seen in patients with stroke. The possible correlation between cognitive function and functional mobility has been proposed; however, the prognostic importance of early cognitive function in recovery of mobility has not been investigated in patients with stroke. OBJECTIVE: The objective of this study is to investigate whether the cognitive function in the acute phase can independently predict the recovery of mobility after stroke, and to determine the cut-off value of each cognitive evaluation test for community ambulation at six months...
May 11, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28450918/association-between-the-extent-of-white-matter-damage-and-early-cognitive-impairment-following-acute-ischemic-stroke
#15
Jian Li, Yong Zhao, Jinying Mao
White matter (WM) injury following acute ischemic stroke (AIS) is associated with cognitive decline. Establishing relationships between the specific cognitive tests used to assess post-AIS cognition and various clinical indices of WM injury severity and distribution may aid in prognosis and early treatment decisions. We enrolled 62 patients with AIS to Weifang People's Hospital between September 2014 and August 2015. WM lesion severity and distribution were examined by computed tomography (CT) and magnetic resonance imaging (MRI)...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28417454/prevalence-and-predictors-of-anxiety-in-an-african-sample-of-recent-stroke-survivors
#16
A Ojagbemi, M Owolabi, R Akinyemi, O Arulogun, J Akinyemi, O Akpa, F S Sarfo, E Uvere, R Saulson, S Hurst, B Ovbiagele
OBJECTIVES: Studies considering emotional disturbances in the setting of stroke have primarily focused on depression and been conducted in high-income countries. Anxiety in stroke survivors, which may be associated with its own unique sets of risk factors and clinical parameters, has been rarely investigated in sub-Saharan Africa (SSA). We assess the characteristics of anxiety and anxiety-depression comorbidity in a SSA sample of recent stroke survivors. MATERIALS AND METHODS: We assessed baseline data being collected as part of an intervention to improve one-year blood pressure control among recent (≤1 month) stroke survivors in SSA...
April 17, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28376127/the-doc-screen-feasible-and-valid-screening-for-depression-obstructive-sleep-apnea-osa-and-cognitive-impairment-in-stroke-prevention-clinics
#17
Richard H Swartz, Megan L Cayley, Krista L Lanctôt, Brian J Murray, Ashley Cohen, Kevin E Thorpe, Michelle N Sicard, Karen Lien, Demetrios J Sahlas, Nathan Herrmann
BACKGROUND: Post-stroke Depression, Obstructive sleep apnea (OSA) and Cognitive impairment ("DOC") are associated with greater mortality, worse recovery and poorer quality of life. Best practice recommendations endorse routine screening for each condition; yet, all are under-assessed, diagnosed and treated. We seek to determine the feasibility and validity of an integrated tool ("DOC" screen) to identify stroke clinic patients at high-risk of depression, OSA, and cognitive impairment...
2017: PloS One
https://www.readbyqxmd.com/read/28366325/spontaneous-improvement-in-both-obstructive-sleep-apnea-and-cognitive-impairment-after-stroke
#18
J Slonkova, M Bar, P Nilius, D Berankova, D Salounova, K Sonka
BACKGROUND: Knowledge available about the relationship between obstructive sleep apnea (OSA) and cognitive impairment after stroke is limited. The evolution of OSA and cognitive performance after stroke is not sufficiently described. METHODS: We prospectively enrolled and examined acute stroke patients without previously diagnosed OSA. The following information was collected: (1) demographics, (2) sleep cardio-respiratory polygraphy (PG) at 72 h, day seven, month three, and month 12 after stroke, (3) post-stroke functional disability tests at entry and at months three and 12, and (4) cognition (attention and orientation, memory, verbal fluency, language, and visual-spatial abilities) using the revised Addenbrooke's Cognitive Examination (ACE-R) at months three and 12...
April 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28355353/influence-of-schooling-and-age-on-cognitive-performance-in-healthy-older-adults
#19
N V O Bento-Torres, J Bento-Torres, A M Tomás, V O Costa, P G R Corrêa, C N M Costa, N Y V Jardim, C W Picanço-Diniz
Few studies have examined the influence of a low level of schooling on age-related cognitive decline in countries with wide social and economic inequalities by using the Cambridge Automated Neuropsychological Test Battery (CANTAB). The aim of the present study was to assess the influence of schooling on age-related cognitive decline using unbiased cognitive tests. CANTAB allows cognitive assessment across cultures and education levels with reduced interference of the examiner during data acquisition. Using two-way ANOVA, we assessed the influences of age and education on test scores of old adults (61-84 years of age)...
March 23, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28348196/secondary-prevention-and-cognitive-function-after-stroke-a-study-protocol-for-a-5-year-follow-up-of-the-aspire-s-cohort
#20
Daniela Rohde, David Williams, Eva Gaynor, Kathleen Bennett, Eamon Dolan, Elizabeth Callaly, Margaret Large, Anne Hickey
INTRODUCTION: Cognitive impairment is common following stroke and can increase disability and levels of dependency of patients, potentially leading to greater burden on carers and the healthcare system. Effective cardiovascular risk factor control through secondary preventive medications may reduce the risk of cognitive decline. However, adherence to medications is often poor and can be adversely affected by cognitive deficits. Suboptimal medication adherence negatively impacts secondary prevention targets, increasing the risk of recurrent stroke and further cognitive decline...
March 27, 2017: BMJ Open
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