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https://www.readbyqxmd.com/read/29451096/elevated-crp-at-admission-predicts-post-stroke-cognitive-impairment-in-han-chinese-patients-with-intracranial-arterial-stenosis
#1
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/29436880/cotard-s-syndrome-triggered-by-fear-in-a-patient-with-intellectual-disability-causal-or-casual-link
#2
Fabrizio Sottile, Rosaria De Luca, Lilla Bonanno, Giuseppina Finzi, Carmela Casella, Rocco Salvatore Calabrò
Cotard's syndrome is a neuropsychiatric disease characterized by a variety of nihilistic delusions, commonly associated with several psychotic and major affective disorders, and neurological diseases, including stroke, dementia, and mental retardation. A 39-year-old male with mental retardation developed Cotard's syndrome, following an important episode of fear. During admission to our neurological unit, the patient underwent an accurate assessment, including neuroradiological, clinical, and neuropsychological examinations...
February 13, 2018: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/29426953/cerebral-ischemia-induces-the-aggregation-of-proteins-linked-to-neurodegenerative-diseases
#3
Anja Kahl, Ismary Blanco, Katherine Jackman, Juhi Baskar, Harihar Milaganur Mohan, Reunet Rodney-Sandy, Sheng Zhang, Costantino Iadecola, Karin Hochrainer
Protein aggregation critically affects cell viability in neurodegenerative diseases, but whether this also occurs in ischemic brain injury remains elusive. Prior studies report the post-ischemic aggregation of ubiquitin, small ubiquitin-related modifier (SUMO) and ribosomes, however whether other proteins are also affected is unknown. Here we employed a proteomic approach to identify the insoluble, aggregated proteome after cerebral ischemia. Mice underwent transient middle cerebral artery occlusion or sham-surgery...
February 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29406402/impaired-cognitive-performance-in-endothelial-nitric-oxide-synthase-knock-out-mice-after-ischemic-stroke-a-pilot-study
#4
Shanshan Li, Yao Wang, Ze Jiang, Yaping Huai, James K Liao, Kaari A Lynch, Ross Zafonte, Lisa J Wood, Qing Mei Wang
OBJECTIVES: Cognitive dysfunction and dementia are common following ischemic stroke. Endothelial nitric oxide synthase (eNOS) has been found to play an important role in neurological function and cognition. The purpose of the present study was to assess the specific role of eNOS in cognitive performance after stroke. DESIGN: Male wildtype (WT) and mice lacking eNOS (eNOS) underwent middle cerebral artery occlusion (MCAO) or sham-surgery. Primary outcomes were repeated measures of neurological score, limb asymmetry, sensory/motor function and spatial memory/learning assessed at intervals up to 28-days post-surgery...
February 5, 2018: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29354218/evolution-of-short-cognitive-test-performance-in-stroke-patients-with-vascular-cognitive-impairment-and-vascular-dementia-baseline-evaluation-and-follow-up
#5
Nilton Custodio, Rosa Montesinos, David Lira, Eder Herrera-Perez, Yadira Bardales, Lucia Valeriano-Lorenzo
There is limited evidence about the progression of cognitive performance during the post-stroke stage. Objective: To assess the evolution of cognitive performance in stroke patients without vascular cognitive impairment (VCI), patients with vascular mild cognitive impairment (MCI), and patients with vascular dementia (VD). Methods: A prospective cohort of stroke outpatients from two secondary medical centers in Lima, Peru was studied. We performed standardized evaluations at definitive diagnosis (baseline evaluation), and control follow-ups at 6 and 12 months, including a battery of short cognitive tests: Clinical Dementia Rating (CDR), Addenbrooke's Cognitive Examination (ACE), and INECO Frontal Screening (IFS)...
October 2017: Dementia & Neuropsychologia
https://www.readbyqxmd.com/read/29338817/correlation-of-stress-hyperglycemia-after-ischemic-stroke-with-early-vascular-cognitive-impairment
#6
Yi Dong Zhou, Huai Wu Yuan, Ren Jie Ji, Ben Yan Luo
Objective To investigate the influence and forecast value of stress hyperglycemia on the early vascular cognitive impairment (VCI) in stroke patients.Methods Totally 422 patients with acute non-diabetic stroke were divided into three groups according to the fasting plasma glucose level:the euglycemia group (<6.1 mmol/L),the mild stress hyperglycemia group (6.1-7.0 mmol/L),and the severe stress hyperglycemia group (≥7.0 mmol/L).Mini-mental state examination,Alzheimer's disease rating scale cognitive subscale,and clinical dementia rating scale were used to evaluate early cognition in post-stroke patients,and patients were divided into three groups accordingly:normal cognitive function group,mild VCI group,and vascular dementia group...
December 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29220386/does-cognitive-impairment-impact-adherence-a-systematic-review-and-meta-analysis-of-the-association-between-cognitive-impairment-and-medication-non-adherence-in-stroke
#7
Daniela Rohde, Niamh A Merriman, Frank Doyle, Kathleen Bennett, David Williams, Anne Hickey
BACKGROUND: While medication adherence is essential for the secondary prevention of stroke, it is often sub-optimal, and can be compromised by cognitive impairment. This study aimed to systematically review and meta-analyse the association between cognitive impairment and medication non-adherence in stroke. METHODS: A systematic literature search of longitudinal and cross-sectional studies of adults with any stroke type, which reported on the association between any measure of non-adherence and cognitive impairment, was carried out according to PRISMA guidelines...
2017: PloS One
https://www.readbyqxmd.com/read/29145207/determinants-prevalence-and-trajectory-of-long-term-post-stroke-cognitive-impairment-results-from-a-4-year-follow-up-of-the-auckland-stroke-regional-outcomes-study-iv-study
#8
Susan Mahon, Priya Parmar, Suzanne Barker-Collo, Rita Krishnamurthi, Kelly Jones, Alice Theadom, Valery Feigin
BACKGROUND: The long-term (>12 months) prevalence, predictors, and trajectory of post-stroke cognitive deficits are not well established, especially at a community level. This study investigated the longitudinal course and prevalence of cognitive impairment in an incidence cohort, identifying factors associated with declining cognition. METHODS: Two hundred fifty-seven participants (mean age = 67.93 ± 13.59) of first-ever stroke survivors, completed cognitive assessments within 2 weeks post stroke, and/or 1, 6, 12, and 48-month...
November 16, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/29121965/chronic-cerebral-hypoperfusion-induces-post-stroke-dementia-following-acute-ischemic-stroke-in-rats
#9
Dong Bin Back, Kyoung Ja Kwon, Dong-Hee Choi, Chan Young Shin, Jongmin Lee, Seol-Heui Han, Hahn Young Kim
BACKGROUND: Post-stroke dementia (PSD) is one of the major consequences after stroke. Chronic cerebral hypoperfusion (CCH) can induce vascular cognitive impairment and potentiate amyloid pathology. We investigated how CCH contributes to the development of PSD after stroke in the context of neuroinflammation and amyloid pathology. METHODS: We designed a unique animal model for PSD. We performed middle cerebral artery occlusion (MCAO) surgery in rats mimicking acute territorial infarct, which was followed by bilateral common carotid artery occlusion (BCCAo) surgery mimicking CCH...
November 9, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29119540/discrimination-of-stroke-related-mild-cognitive-impairment-and-vascular-dementia-using-eeg-signal-analysis
#10
Noor Kamal Al-Qazzaz, Sawal Hamid Bin Mohd Ali, Siti Anom Ahmad, Mohd Shabiul Islam, Javier Escudero
Stroke survivors are more prone to developing cognitive impairment and dementia. Dementia detection is a challenge for supporting personalized healthcare. This study analyzes the electroencephalogram (EEG) background activity of 5 vascular dementia (VaD) patients, 15 stroke-related patients with mild cognitive impairment (MCI), and 15 control healthy subjects during a working memory (WM) task. The objective of this study is twofold. First, it aims to enhance the discrimination of VaD, stroke-related MCI patients, and control subjects using fuzzy neighborhood preserving analysis with QR-decomposition (FNPAQR); second, it aims to extract and investigate the spectral features that characterize the post-stroke dementia patients compared to the control subjects...
January 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29103037/circulating-progenitor-cells-correlate-with-memory-posterior-cortical-thickness-and-hippocampal-perfusion
#11
Daniel A Nation, Alick Tan, Shubir Dutt, Elissa C McIntosh, Belinda Yew, Jean K Ho, Anna E Blanken, Jung Yun Jang, Kathleen E Rodgers, Aimée Gaubert
BACKGROUND: Bone marrow-derived progenitor cells survey the vasculature and home to sites of tissue injury where they can promote repair and regeneration. It has been hypothesized that these cells may play a protective role neurodegenerative and vascular cognitive impairment. OBJECTIVE: To evaluate progenitor cell levels in older adults with and without mild cognitive impairment (MCI), and to relate circulating levels to memory, brain volume, white matter lesion volume, and cerebral perfusion...
November 1, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29098526/elevated-plasma-level-of-soluble-form-of-rage-in-ischemic-stroke-patients-with-dementia
#12
Sung-Chun Tang, Kai-Chien Yang, Chaur-Jong Hu, Hung-Yi Chiou, Chau Chung Wu, Jiann-Shing Jeng
The receptor for advanced glycation end products (RAGE) and its downstream pathways are involved in various inflammatory and immune responses. Importantly, there is soluble RAGE (sRAGE) that forms either by alternative splicing of RAGE messenger ribonucleic acid as the endogenous soluble form of RAGE (esRAGE) or by proteolytic cleavage of full-length RAGE protein. This study aimed to investigate the associations of the plasma levels of sRAGE and esRAGE in ischemic stroke (IS) patients with and without dementia...
December 2017: Neuromolecular Medicine
https://www.readbyqxmd.com/read/29072042/active-exergames-to-improve-cognitive-functioning-in-neurological-disabilities-a-systematic-review-and-meta-analysis
#13
Gioia Mura, Mauro G Carta, Federica Sancassiani, Sergio Machado, Luca Prosperini
INTRODUCTION: Exergames represent a way to perform physical activity through active video games, serving as potentially useful tool in the field of neurorehabilitation. However, little is known regarding the possible role of exergames in improving cognitive functions in persons suffering from neurological disabilities. EVIDENCE ACQUISITION: A search for relevant articles was carried out on PubMed/Medline, Scopus, PEDro, and Google Scholar. Only randomized controlled studies and non-randomized but controlled studies were retained...
October 25, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29071041/risk-factors-associated-with-post-stroke-dementia-a-systematic-review-and-meta-analysis
#14
Jesada Surawan, Suchat Areemit, Somsak Tiamkao, Theparak Sirithanawuthichai, Suprawita Saensak
No abstract text is available yet for this article.
August 29, 2017: Neurology International
https://www.readbyqxmd.com/read/29060572/classification-enhancement-for-post-stroke-dementia-using-fuzzy-neighborhood-preserving-analysis-with-qr-decomposition
#15
Noor Kamal Al-Qazzaz, Sawal Ali, Siti Anom Ahmad, Javier Escudero
The aim of the present study was to discriminate the electroencephalogram (EEG) of 5 patients with vascular dementia (VaD), 15 patients with stroke-related mild cognitive impairment (MCI), and 15 control normal subjects during a working memory (WM) task. We used independent component analysis (ICA) and wavelet transform (WT) as a hybrid preprocessing approach for EEG artifact removal. Three different features were extracted from the cleaned EEG signals: spectral entropy (SpecEn), permutation entropy (PerEn) and Tsallis entropy (TsEn)...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29034421/hippocampal-deformations-and-entorhinal-cortex-atrophy-as-an-anatomical-signature-of-long-term-cognitive-impairment-from-the-mcao-rat-model-to-the-stroke-patient
#16
C Delattre, C Bournonville, F Auger, R Lopes, C Delmaire, H Henon, A M Mendyk, S Bombois, J C Devedjian, D Leys, C Cordonnier, R Bordet, M Bastide
Stroke patients have an elevated risk of developing long-term cognitive disorders or dementia. The latter is often associated with atrophy of the medial temporal lobe. However, it is not clear whether hippocampal and entorhinal cortex atrophy is the sole predictor of long-term post-stroke dementia. We hypothesized that hippocampal deformation (rather than atrophy) is a predictive marker of long-term post-stroke dementia on a rat model and tested this hypothesis in a prospective cohort of stroke patients.Male Wistar rats were subjected to transient middle cerebral artery occlusion and assessed 6 months later...
October 16, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/29025764/higher-risk-of-vascular-dementia-in-myocardial-infarction-survivors
#17
Jens Sundbøll, Erzsébet Hováth-Puhó, Kasper Adelborg, Morten Schmidt, Lars Pedersen, Hans Erik Bøtker, Victor W Henderson, Henrik T Sørensen
Background -Increased risk of dementia after myocardial infarction (MI) may be mediated by shared risk factors (e.g., atherosclerosis) and post-MI stroke. We examined risk of dementia in 1-year survivors of MI. Methods -Using Danish medical registries, we conducted a nationwide population-based cohort study of all patients with first-time MI and a sex-, birth year-, and calendar year-matched general population comparison cohort without MI (1980-2012). Cox regression analysis was used to compute 1-35 year adjusted hazard ratios (aHRs) for dementia, controlled for matching factors and adjusted for comorbidities and socioeconomic status...
October 12, 2017: Circulation
https://www.readbyqxmd.com/read/28993004/cerebral-amyloid-angiopathy-related-cognitive-impairment-the-search-for-a-specific-neuropsychological-pattern
#18
REVIEW
M Planton, N Raposo, J-F Albucher, J Pariente
Cerebral amyloid angiopathy is diagnosed in stroke units after lobar intracerebral hemorrhage. CAA can also be diagnosed in memory clinics when patients are referred for cognitive impairment assessment, and may be a reason for admission to emergency or neurology departments because of rapidly progressive cognitive or neurological decline, or a transient focal neurological episode. CAA may even be observed in older community-dwelling individuals. Neuropsychological impairment in CAA has been described over the past 20 years...
November 2017: Revue Neurologique
https://www.readbyqxmd.com/read/28886738/gaps-in-care-for-patients-with-memory-deficits-after-stroke-views-of-healthcare-providers
#19
Eugene Yee Hing Tang, Christopher Price, Blossom Christa Maree Stephan, Louise Robinson, Catherine Exley
BACKGROUND: Stroke is a common cause of physical disability but is also strongly associated with cognitive impairment and a risk for future dementia. Despite national clinical guidelines, the service provided for stroke survivors with cognitive and memory difficulties varies across localities. This study critically evaluated the views of healthcare professionals about barriers and facilitators to their care. METHODS: Seventeen semi-structured individual interviews were conducted by a single interviewer with both primary and secondary care clinicians in regular contact with stroke-survivors...
September 8, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28626050/admission-brain-cortical-volume-an-independent-determinant-of-poststroke-cognitive-vulnerability
#20
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...
August 2017: Stroke; a Journal of Cerebral Circulation
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