keyword
https://read.qxmd.com/read/32755028/reduced-thiamine-is-a-predictor-for-cognitive-impairment-of-cerebral-infarction
#1
Liang Feng, Weilei He, Guiqian Huang, Shasha Lin, Chengxiang Yuan, Haoran Cheng, Jincai He, Yiming Liu
OBJECTIVE: Reduced thiamine (vitamin B1 ) had been reported to be associated with cognitive impairment caused by Alzheimer disease. Our study is to explore the association between thiamine and cognitive impairment after acute ischemic stroke. MATERIALS AND METHODS: One hundred and eighty two patients with acute cerebral infarction were recruited within the first 24 hr after admission. Thiamine and other vitamin Bs of peripheral blood samples were measured. Patients were divided into with poststroke cognitive impairment (PSCI) and non-PSCI according to the score of MMSE and the degree of education...
August 5, 2020: Brain and Behavior
https://read.qxmd.com/read/32750359/astrocytic-yes-associated-protein-attenuates-cerebral-ischemia-induced-brain-injury-by-regulating-signal-transducer-and-activator-of-transcription-3-signaling
#2
Luping Huang, Shan Li, Qinxue Dai, Anqi Zhang, Qimin Yu, Wenwen Du, Peiqi Zhao, Yunchang Mo, Kaiwei Xu, Sijia Chen, Junlu Wang
Astrocytic Yes-associated protein (YAP) has been implicated in astrocytic proliferation and differentiation in the developing neocortex. However, the role of astrocytic YAP in diseases of the nervous system remains poorly understood. Here, we hypothesized that astrocytic YAP exerted a neuroprotective effect against cerebral ischemic injury in rats by regulating signal transducer and activator of transcription 3 (STAT3) signaling. In this study, we investigated whether the expression of nuclear YAP in the astrocytes of rats increased significantly after middle cerebral artery occlusion (MCAO) and its effect on cerebral ischemic injury...
August 1, 2020: Experimental Neurology
https://read.qxmd.com/read/32750069/the-prevalence-of-psychiatric-symptoms-before-the-diagnosis-of-parkinson-s-disease-in-a-nationwide-cohort-a-comparison-to-patients-with-cerebral-infarction
#3
Szabolcs Szatmári, András Ajtay, Ferenc Oberfrank, Balázs Dobi, Dániel Bereczki
OBJECTIVES: Psychiatric symptoms (PS) can be non-motor features in Parkinson's disease (PD) which are common even in the prodromal, untreated phase of the disease. Some PS, especially depression and anxiety recently became known predictive markers for PD. Our objective was to explore retrospectively the prevalence of PS before the diagnosis of PD. METHODS: In the framework of the Hungarian Brain Research Program we created a database from medical and medication reports submitted for reimbursement purposes to the National Health Insurance Fund in Hungary, a country with 10 million inhabitants and a single payer health insurance system...
2020: PloS One
https://read.qxmd.com/read/32749557/decline-of-emergency-admissions-for-cardiovascular-and-cerebrovascular-events-after-the-outbreak-of-covid-19
#4
Viktoria Schwarz, Felix Mahfoud, Lucas Lauder, Wolfgang Reith, Stefanie Behnke, Sigrun Smola, Jürgen Rissland, Thorsten Pfuhl, Bruno Scheller, Michael Böhm, Sebastian Ewen
BACKGROUND: The spread of the novel coronavirus SARS-CoV-2 and the guidance from authorities for social distancing and media reporting lead to significant uncertainty in Germany. Concerns have been expressed regarding the underdiagnosing of harmful diseases. We explored the rates of emergency presentations for acute coronary syndrome (ACS) and acute cerebrovascular events (ACVE) before and after spread of SARS-CoV-2. METHODS: We analyzed all-cause visits at a tertiary university emergency department and admissions for ACS and ACVE before (calendar weeks 1-9, 2020) and after (calendar weeks 10-16, 2020) the first coronavirus disease (COVID-19) case in the region of the Saarland, Germany...
August 4, 2020: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://read.qxmd.com/read/32746970/management-of-blood-pressure-in-neurosurgical-and-neurocritical-patients
#5
F Iturri Clavero, L Valencia Sola, O Romero Kräuchi, J Fernández Candil, P Doménech Asensi, N Pérez de Arriba
The etiological and pathophysiological differences between diseases that may require a neurosurgical intervention or the establishment of neurocritical care make it impossible to talk about the control of blood pressure in the neurocritical or neurosurgical patient in a generic manner. With this reasoning in mind, we decided to review separately the control of blood pressure in some of the pathologies we most frequently faced in clinical practice. The topics reviewed are: cranial brain trauma, acute ischemic stroke, intracranial aneurysm surgery, cerebral arteriovenous malformation surgery, brain tumor surgery, spinal cord surgery and acute spinal cord injury...
May 2020: Revista Española de Anestesiología y Reanimación
https://read.qxmd.com/read/32745676/characterization-of-the-inflammatory-post-ischemic-tissue-by-full-volumetric-analysis-of-a-multimodal-imaging-dataset
#6
Cristina Barca, Claudia Foray, Sven Hermann, Christian Döring, Michael Schäfers, Andreas H Jacobs, Bastian Zinnhardt
INTRODUCTION: In vivo positron emission tomography (PET) and magnetic resonance imaging (MRI) support non-invasive assessment of the spatiotemporal expression of proteins of interest and functional/structural changes. Our work promotes the use of a volumetric analysis on multimodal imaging datasets to assess the spatio-temporal dynamics and interaction of two imaging biomarkers, with a special focus on two neuroinflammation-related biomarkers in the acute and chronic post-ischemic phase...
July 31, 2020: NeuroImage
https://read.qxmd.com/read/32739013/the-impact-of-neurovascular-blood-brain-barrier-and-glymphatic-dysfunction-in-neurodegenerative-and-metabolic-diseases
#7
Molly Braun, Jeffrey J Iliff
The cerebral vasculature serves as the crossroads of the CNS, supporting exchange of nutrients, metabolic wastes, solutes and cells between the compartments of the brain, including the blood, brain interstitium, and cerebrospinal fluid (CSF). The blood-brain barrier (BBB) regulates the entry and efflux of molecules into brain tissue. The cells of the neurovascular unit regulate cerebral blood flow, matching local metabolic demand to blood supply. The blood-CSF barrier at the choroid plexus secretes CSF, which supports the brain and provides a sink for interstitial solutes not cleared across the BBB...
2020: International Review of Neurobiology
https://read.qxmd.com/read/32736461/-progression-of-precerebral-atherosclerosis-and-predictors-of-ischemic-complications-in-cardiac-patients
#8
A N Kazantsev, R S Tarasov, N N Burkov, A I Anufriyev, I A Lazukina, M T Sargsyan, E O Soldatov, K I Grachev, A G Kutikhin, R Yu Lider
OBJECTIVE: To identify predictors of progression of precerebral atherosclerosis in long-term period after coronary artery bypass surgery. MATERIAL AND METHODS: There were 97 procedures of carotid endarterectomy in patients after previous coronary artery bypass grafting for the period from 2006 to 2017. Inclusion criteria were previous CABG, no significant (over 60%) stenosis of internal carotid arteries at discharge after CABG. The control group included 447 patients without progression of precerebral atherosclerosis in long-term period after CABG...
2020: Khirurgiia
https://read.qxmd.com/read/32733722/postpartum-onset-moyamoya-disease-a-rare-cause-of-stroke-in-unexpected
#9
Muhammet Ozer, Khadija Merchant, Zulfiya Manning, Suleyman Yasin Goksu, Kirti Juneja, Vernard S Fennell
Moyamoya disease (MMD) is a chronic cerebrovascular occlusive disease that is characterized by progressive bilateral stenosis of the terminal portion of the internal carotid artery and its main branches. Cerebrovascular events are the primary presenting symptoms and are related both to stenosis and occlusion of the ICAs and their main branches. Detection of bilateral stenosis by cerebral angiography is considered the gold standard, but computed tomography angiography (CTA) is also an acceptable method of diagnosis...
2020: Case Reports in Neurological Medicine
https://read.qxmd.com/read/32733436/tmem16f-aggravates-neuronal-loss-by-mediating-microglial-phagocytosis-of-neurons-in-a-rat-experimental-cerebral-ischemia-and-reperfusion-model
#10
Yijie Zhang, Haiying Li, Xiang Li, Jie Wu, Tao Xue, Jiang Wu, Haitao Shen, Xiang Li, Meifen Shen, Gang Chen
Cerebral ischemia is a severe, acute condition, normally caused by cerebrovascular disease, and results in high rates of disability, and death. Phagoptosis is a newly recognized form of cell death caused by phagocytosis of viable cells, and has been reported to contribute to neuronal loss in brain tissue after ischemic stroke. Previous data indicated that exposure of phosphatidylserine to viable neurons could induce microglial phagocytosis of such neurons. Phosphatidylserine can be reversibly exposed to viable cells as a result of a calcium-activated phospholipid scramblase named TMEM16F...
2020: Frontiers in Immunology
https://read.qxmd.com/read/32732268/pressing-issues-in-covid-19-probable-cause-to-seize-sars-cov-2-for-its-preferential-involvement-of-posterior-circulation-manifesting-as-severe-posterior-reversible-encephalopathy-syndrome-and-posterior-strokes
#11
F D'Amore, G Vinacci, E Agosti, L P Cariddi, A V Terrana, F A Vizzari, M Mauri, A Giorgianni
Since December 2019, a novel Severe Acute Respiratory Syndrome coronavirus 2 from China has rapidly spread worldwide. Although respiratory involvement is the mainstay of coronavirus disease 2019 (COVID-19), systemic involvement has recently drawn more attention. In particular, a number of recent articles have shed light on the nervous system as one of the possible targets. At our institution, we observed 15 patients with acute brain vascular manifestations; most interesting, we had a higher prevalence of the posterior circulation acute impairment...
July 30, 2020: AJNR. American Journal of Neuroradiology
https://read.qxmd.com/read/32731869/diagnostic-value-of-mir-186-5p-for-carotid-artery-stenosis-and-its-predictive-significance-for-future-cerebral-ischemic-event
#12
Weibo Lv, Tao Zhang, Hongwei Zhao, Shuang He, Bingwei Li, Yang Gao, Wenying Pan
BACKGROUND: MicroRNAs (miRNAs) serve as novel promising biomarkers for the diagnosis and prognosis of many human diseases. This study investigated the diagnostic value of miR-186-5p for asymptomatic carotid artery stenosis (CAS), and its predictive value for future cerebral ischemic events (CIEs). METHODS: Sixty-seven cases with asymptomatic CAS and 60 healthy individuals were recruited. Serum levels of miR-186-5p were tested by using qRT-PCR. Receiving-operator characteristic (ROC) curve was drawn based on sensitivity and specificity analyses...
July 30, 2020: Diagnostic Pathology
https://read.qxmd.com/read/32731558/role-of-hmgb1-in-the-interplay-between-netosis-and-thrombosis-in-ischemic-stroke-a-review
#13
REVIEW
Seung-Woo Kim, Ja-Kyeong Lee
Neutrophil extracellular traps (NETs) comprise decondensed chromatin, histones and neutrophil granular proteins and are involved in the response to infectious as well as non-infectious diseases. The prothrombotic activity of NETs has been reported in various thrombus-related diseases; this activity can be attributed to the fact that the NETs serve as a scaffold for cells and numerous coagulation factors and stimulate fibrin deposition. A crosstalk between NETs and thrombosis has been indicated to play a role in numerous thrombosis-related conditions including stroke...
July 28, 2020: Cells
https://read.qxmd.com/read/32730928/parental-cardiorespiratory-conditions-and-offspring-fracture-a-population-based-familial-linkage-study
#14
Shuman Yang, Lisa M Lix, Lin Yan, Randy Walld, Leslie L Roos, Stephanie Goguen, William D Leslie
BACKGROUND: The role of parental cardiorespiratory conditions on fracture risk is unclear. We examined the associations between parental cardiorespiratory conditions and offspring fracture risk. METHODS: In this population-based retrospective cohort study, we identified 279,085 offspring aged≥40 years between April 1, 1997 and December 31, 2015 with successful linkage to 273,852 mothers and 254,622 fathers. Parental cardiorespiratory conditions, including cerebral vascular disease, congestive heart failure, hypertension, ischemic heart disease, myocardial infarction, chronic obstructive pulmonary disease (COPD) and peripheral vascular disease, were ascertained using physician and hospital records dating back to 1979...
July 27, 2020: Bone
https://read.qxmd.com/read/32729095/procyanidins-exhibits-neuroprotective-activities-against-cerebral-ischemia-reperfusion-injury-by-inhibiting-tlr4-nlrp3-inflammasome-signal-pathway
#15
Bo Yang, Yanxia Sun, Chunchao Lv, Wei Zhang, Yizhao Chen
BACKGROUND: Ischemic stroke is a serious cardiovascular disease with high morbidity and mortality rates that affects millions of people worldwide.Currently, the only therapy with proven efficacy for acute ischemic stroke is alteplase, however, it still has many shortcomings and limitations. Therefore,we screen new compounds from traditional Chinese medicine to explore their efficacy against ischemic reperfusion injury. Procyanidins, a natural productextracted from grapes seed, which have been shown can ameliorate cerebral ischemic injury...
July 29, 2020: Psychopharmacology
https://read.qxmd.com/read/32726012/-similarities-and-differences-between-ginkgo-biloba-and-panax-notoginseng-in-treatment-of-ischemic-cerebrovascular-disease
#16
Dan Wu, Ya-Chun Zheng, Nan Ding, Hui-Jun Zha, Hui Min, Jian-Biao Yao, Hou-Hong He, Ru-Wei Wang
Ginkgo biloba and Panax notoginseng are both herb medicines for cerebrovascular disease, and play an active role in treating ischemic cerebrovascular disease(ICVD). Their mechanisms of action include antioxidant stress, nerve protection, vascular protection. According to the comparative study of literatures, G. biloba has a certain protective effect from the early stage of free radical formation throughout the whole process of causing cell inflammation and apoptosis in antioxidant stress; while P. notoginseng has mainly anti-inflammatory, anti-apoptosis effects...
July 2020: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://read.qxmd.com/read/32726010/-research-progress-on-saponins-in-panax-notoginseng-and-their-molecular-mechanism-of-anti-cerebral-ischemia
#17
Chang-Pei Xiang, Rui Zhou, Yi Zhang, Jing-Jing Zhang, Hong-Jun Yang
Ischemic stroke is the most common form of stroke and one of the main diseases leading to death and disability in the world. Its pathological process is complex and changeable as a result of the interaction of multiple pathological links, such as oxidative stress, apoptosis and inflammation. Traditional Chinese medicine Notoginseng Radix et Rhizoma is the dried roots and rhizomes of Panax notoginseng. In clinic, it is mainly used for the treatment of diseases of cardio-cerebral system and vascular system. Recent studies have shown that total saponins of P...
July 2020: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://read.qxmd.com/read/32724801/circulating-mirna-3552-as-a-potential-biomarker-for-ischemic-stroke-in-rats
#18
Litao Li, Lipeng Dong, Jingru Zhao, Weiliang He, Bao Chu, Jijie Zhang, Zongkai Wu, Congying Zhao, Jinming Cheng, Wentao Yao, Hebo Wang
Objective: With the growing incidence of ischemic stroke worldwide, there is an urgent need to identify blood biomarkers for ischemic stroke patients. Thus, our aim was to identify potential circulating microRNA (miRNA) as a potential biomarker and to explore its potential mechanism for ischemic stroke in rats. Methods: The mRNA dataset GSE97537 and miRNA dataset GSE97532 were downloaded from the Gene Expression Omnibus (GEO) GSE97537 including 7 middle cerebral artery occlusion (MCAO) rat brain tissues and 5 sham-operated rat brain tissues GSE97532 including 6 MCAO rat blood samples and 3 sham-operated rat blood samples...
2020: BioMed Research International
https://read.qxmd.com/read/32722374/increased-one-year-recurrent-ischemic-stroke-after-first-ever-ischemic-stroke-in-males-with-benign-prostatic-hyperplasia
#19
Chun-Gu Cheng, Hsin Chu, Jiunn-Tay Lee, Wu-Chien Chien, Chun-An Cheng
(1) Background: Patients with benign prostatic hyperplasia (BPH) were questioned about quality of life and sleep. Most BPH patients were treated with alpha-1 adrenergic receptor antagonists, which could improve cerebral blood flow for 1-2 months. Patients with ischemic stroke (IS) could experience cerebral autoregulation impairment for six months. The relationship between BPH and recurrent IS remains unclear. The aim of this study was to determine the risk of one-year recurrent IS conferred by BPH. (2) Methods: We used data from the Taiwanese National Health Insurance Database to identify newly diagnosed IS cases entered from 1 January 2008 to 31 December 2008...
July 25, 2020: International Journal of Environmental Research and Public Health
https://read.qxmd.com/read/32720016/the-differences-of-carotid-atherosclerosis-among-non-osahs-and-osahs-patients-of-different-severities-a-cross-sectional-study
#20
Zeliang Hao, Lu Qin, Junyao Tong, Na Li, Yi Zhai, Ying Zhao
BACKGROUND: Obstructive sleep apnea-hypopnea syndrome (OSAHS) is a widely prevalent problem with many complications, such as hypertension and cerebral vascular diseases. Atherosclerosis, whose most severe outcome is ischemic stroke, is reported being affected by OSAHS. The objective of this article is to investigate the differences of carotid atherosclerosis patients with or without OSAHS by a cross-sectional research. MATERIALS AND METHODS: Patients diagnosed with carotid atherosclerosis by ultrasonography were recruited...
July 27, 2020: Sleep & Breathing
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