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Neurological Research

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https://www.readbyqxmd.com/read/28502217/hippocampal-low-frequency-stimulation-inhibits-afterdischarge-and-increases-gaba-a-receptor-expression-in-amygdala-kindled-pharmacoresistant-epileptic-rats
#1
Guofeng Wu, Likun Wang, Zhen Hong, Siying Ren, Feng Zhou
OBJECTIVE: The purpose of the present study was to observe the effects of hippocampal low-frequency stimulation (Hip-LFS) on amygdala afterdischarge and GABA (A) receptor expression in pharmacoresistant epileptic (PRE) rats. METHODS: A total of 110 healthy adult male Wistar rats were used to generate a model of epilepsy by chronic stimulation of the amygdala. Sixteen PRE rats were selected from 70 amygdala-kindled rats by testing their response to Phenytoin and Phenobarbital, and they were randomly assigned to a pharmacoresistant stimulation group (PRS group, 8 rats) or a pharmacoresistant control group (PRC group, 8 rats)...
May 14, 2017: Neurological Research
https://www.readbyqxmd.com/read/28502216/a-retrospective-analysis-of-postoperative-recurrence-of-septated-chronic-subdural-haematoma-endoscopic-surgery-versus-burr-hole-craniotomy
#2
Kaixuan Yan, Heng Gao, Xinmin Zhou, Wei Wu, Weidong Xu, Yu Xu, Kai Gong, Xinchen Xue, Qipin Wang, Hanrong Na
OBJECTIVE: To identify the factors associated with Septated chronic subdural haematoma (sCSDH) recurrence and to compare the advantages and disadvantages of burr hole craniotomy (BHC) and endoscopic surgery (ES) with respect to preventing sCSDH recurrence. METHODS: A total of 76 consecutive patients with sCSDH underwent BHC or ES in our institution. Their clinical data were retrospectively analysed to identify the factors associated with sCSDH recurrence and to evaluate the effectiveness of BHC and ES with respect to preventing sCSDH recurrence...
May 13, 2017: Neurological Research
https://www.readbyqxmd.com/read/28494642/normal-anatomy-and-variations-in-the-confluence-of-sinuses-using-digital-subtraction-angiography
#3
Yaqin Cheng, William A Li, Xingjuan Fan, Xiaohua Li, Jian Chen, Yan Wu, Ran Meng, Xunming Ji
OBJECTIVES: The configuration of the confluence of sinuses differs not only between individuals, but also between the two brain hemispheres, making the anatomical classification of this region difficult. In this study, we evaluated the anatomy of the confluence of sinuses and ascertained the accuracy and usefulness of digital subtraction angiography (DSA) in the evaluation of cerebral veins. METHODS: Bilateral carotid and vertebral artery angiographies were performed in 500 adult patients to evaluate the anatomy of the confluence of sinuses and contributory venous sinuses...
May 11, 2017: Neurological Research
https://www.readbyqxmd.com/read/28490273/corrigendum
#4
(no author information available yet)
No abstract text is available yet for this article.
May 11, 2017: Neurological Research
https://www.readbyqxmd.com/read/28481152/aspirin-attenuates-spontaneous-recurrent-seizures-in-the-chronically-epileptic-mice
#5
Kun Zhu, Ming Hu, Bo Yuan, Jian-Xin Liu, Yong Liu
OBJECTIVE: Neuroinflammatory processes are pathologic hallmarks of both experimental and human epilepsy, and could be implicated in the neuronal hyperexcitability. Aspirin represents one of the non-selective nonsteroidal anti-inflammatory drugs with fewer side effects in long-term application. This study was carried out to assess the anti-epileptic effects of aspirin when administered during the chronic stage of temporal lobe epilepsy [TLE] in mice. The alteration of hippocampal neurogenesis was also examined for raising a possible mechanism underlying the protective effect of anti-inflammatory treatment in the TLE...
May 7, 2017: Neurological Research
https://www.readbyqxmd.com/read/28476094/one-year-outcomes-and-secondary-prevention-in-patients-after-acute-minor-stroke-results-from-the-china-national-stroke-registry
#6
Ying Tan, Yuesong Pan, Liping Liu, Yilong Wang, Xingquan Zhao, Yongjun Wang
OBJECTIVES: Limited data are available on secondary preventive therapy use and patient outcomes after acute minor ischemic stroke in China. This study investigated secondary prevention strategies and outcomes up to 1 year after minor ischemic stroke. METHODS: Patients from the China National Stroke Registry experienced a minor ischemic stroke (National Institutes of Health Stroke Scale [NIHSS] score ≤5) and admitted to hospital within 24 hours of symptom onset were included...
May 5, 2017: Neurological Research
https://www.readbyqxmd.com/read/28475479/risk-of-hemorrhagic-transformation-after-ischemic-stroke-in-patients-with-antiphospholipid-antibody-syndrome
#7
Tapan Mehta, Mohammed Hussain, Khushboo Sheth, Yuchuan Ding, Louise D McCullough
BACKGROUND AND PURPOSE: Several rheumatologic conditions including systemic lupus erythematosus, antiphospholipid antibody (APS) syndrome, rheumatoid arthritis, and scleroderma are known risk factors for stroke. The risk of hemorrhagic transformation after an acute ischemic stroke (AIS) in these patients is not known. METHODS: We queried the Nationwide Inpatient Sample (NIS) data between 2010 and 2012 with ICD 9 diagnostic codes for AIS. The primary outcome was the development of hemorrhagic transformation...
May 5, 2017: Neurological Research
https://www.readbyqxmd.com/read/28475469/higher-ambulatory-systolic-blood-pressure-independently-associated-with-enlarged-perivascular-spaces-in-basal-ganglia
#8
Shuna Yang, Junliang Yuan, Xiaoyu Zhang, Huimin Fan, Yue Li, Jiangmei Yin, Wenli Hu
BACKGROUNDS: Enlarged perivascular spaces (EPVS) have been identified as a marker of cerebral small vessel diseases (CSVD). Ambulatory blood pressure (ABP) is the strongest predictor of hypertension-related brain damage. However, the relationship between ABP levels and EPVS is unclear. OBJECTIVES: This study aimed to investigate the association between ABP levels and EPVS by 24-hour ambulatory blood pressure monitoring (ABPM). METHODS: We prospectively recruited inpatients for physical examinations in our hospital from May 2013 to Jun 2016...
May 5, 2017: Neurological Research
https://www.readbyqxmd.com/read/28468601/anticonvulsant-activity-of-caryocar-coriaceum-wittm-fixed-pulp-oil-against-pentylenetetrazol-induced-seizures
#9
Cleide Correia Oliveira, Clarissa Vasconcelos Oliveira, Jéssica Grigoletto, Leandro Rodrigo Ribeiro, Vinícius Rafael Funck, Letícia Meier, Michele Rechia Fighera, Luiz Fernando Freire Royes, Ana Flávia Furian, Irwin Rose Alencar Menezes, Mauro Schneider Oliveira
OBJECTIVES: Epilepsy is a common brain disease and a major worldwide public health problem. The seizures in a significant number of patients suffering from epilepsy remain inadequately controlled by currently available pharmacological treatments. Accordingly, there is a need for the discovery of new anticonvulsant approaches with improved efficacy and a better safety profile. In this context, natural products can be a valuable source of substances with potential anticonvulsant activity...
May 3, 2017: Neurological Research
https://www.readbyqxmd.com/read/28468534/successful-aging-in-community-seniors-and-stroke-survivors-current-and-future-strategies
#10
Rujvi Kamat, Colin A Depp, Dilip V Jeste
There is growing evidence to suggest that aging is accompanied by enhancement in psychosocial well-being, despite age-related declines in physical and cognitive functioning. A small but growing body of research has reported on positive trajectories of well-being, and its determinants, among community-dwelling seniors as well as in people with specific diseases such as stroke. Current strategies for promoting successful aging include physical, cognitive and social activities, healthy lifestyle, social support, and positive traits such as resilience and optimism...
May 3, 2017: Neurological Research
https://www.readbyqxmd.com/read/28460604/the-15-lo-1-15-hete-system-promotes-angiogenesis-by-upregulating-vegf-in-ischemic-brains
#11
Li Chen, Yan-Mei Zhu, Yu-Nong Li, Peng-Yan Li, Di Wang, Yu Liu, You-Yang Qu, Da-Ling Zhu, Yu-Lan Zhu
OBJECTIVES: Angiogenesis promotes neurobehavioral recovery after cerebral ischemic stroke. 15(S)-hydroxyeicosatetraenoic acid (15-HETE) is one of the major metabolites of arachidonic acid by 15-lipoxygenase (15-LO) and stimulates the production of vascular endothelial growth factor (VEGF), thus, inducing autocrine-mediated angiogenesis. The present study aimed to investigate the role of 15-LO/15-HETE system on VEGF expression and angiogenesis in brain ischemia. METHODS: Rat cerebral arterial vascular endothelial cells were used to set up a cell injury model of oxygen-glucose deprivation and reoxygenation (OGD/R), mimicking a condition of brain ischemia...
May 1, 2017: Neurological Research
https://www.readbyqxmd.com/read/28460598/circulating-igf-1-igfb-3-gh-and-tsh-levels-in-multiple-sclerosis-and-their-relationship-with-treatment
#12
Aylin Akcali, Berrin Bal, Binnur Erbagci
OBJECTIVES: Improving the proficiency of oligodendrocytes in their ability to repair myelin damage is one of the major goals of multiple sclerosis treatment. Insulin-like growth factor-1 (IGF-1) is one of several polypeptides that are considered to have potential benefits in that sense. In the present study, we aimed to determine serum levels of IGF-1 and insulin-like growth factor binding protein-3 (IGFBP-3), thyroid stimulating hormone (TSH) and growth hormone (GH) among treated and non-treated patients with Relapsing-Remitting Multiple Sclerosis (RRMS) and a healthy control group...
May 1, 2017: Neurological Research
https://www.readbyqxmd.com/read/28460569/neurological-outcome-and-frequency-of-overdrainage-in-normal-pressure-hydrocephalus-directly-correlates-with-implanted-ventriculo-peritoneal-shunt-valve-type
#13
Yavor Bozhkov, Karl Roessler, Nirjhar Hore, Michael Buchfelder, Sebastian Brandner
BACKGROUND: The correlation between neurological outcome and frequency of overdrainage in the management of idiopathic normal pressure hydrocephalus (iNPH) using different ventriculoperitoneal shunt valve types is under investigation. Thus, we retrospectively compared one group of iNPH patients implanted with a programmable differential pressure valve (DPV) with another group treated by implantation of a DPV in combination with a flow-regulated anti-siphon device valve (ASD). METHODS: A retrospective evaluation of clinical outcome and frequency of overdrainage of 40 consecutive iNPH patients following surgical management between 08/2010 and 08/2014 was performed...
May 1, 2017: Neurological Research
https://www.readbyqxmd.com/read/28460563/a-review-of-sleep-disorders-and-melatonin
#14
Zizhen Xie, Fei Chen, William A Li, Xiaokun Geng, Changhong Li, Xiaomei Meng, Yan Feng, Wei Liu, Fengchun Yu
Sleep disorders are a group of conditions that affect the ability to sleep well on a regular basis and cause significant impairments in social and occupational functions. Although currently approved medications are efficacious, they are far from satisfactory. Benzodiazepines, antidepressants, antihistamines and anxiolytics have the potential for dependence and addiction. Moreover, some of these medications can gradually impair cognition. Melatonin (N-acetyl-5-methoxytryptamine) is an endogenous hormone produced by the pineal gland and released exclusively at night...
May 1, 2017: Neurological Research
https://www.readbyqxmd.com/read/28454490/ct-perfusion-in-predicting-the-morbidity-and-prognosis-of-hypoxic-ischemic-encephalopathy-after-off-pump-coronary-artery-bypass-grafting
#15
Di Luo, James Yip, Zhe Song, Baolei Xu, Qi Bi
OBJECTIVE: To investigate the perfusion parameters of computed tomography (CT) in hypoxicischemic encephalopathy (HIE) after off-pump coronary artery bypass grafting (OPCABG), and its potential in predicting the occurrence and prognosis of hypoxic-ischemic encephalopathy. METHODS: We selected 830 patients. The patients were grouped into: HIE and no HIE. HIE patients were further divided into two groups: poor prognosis and better prognosis. RESULTS: (1) Patients with HIE, who had a history of stroke and hypertension, showed more severe stenosis on CTA and more perfusion abnormalities compared to non-HIE patients (p < 0...
April 28, 2017: Neurological Research
https://www.readbyqxmd.com/read/28441917/identification-of-il-17a-derived-neural-cell-type-and-dynamic-changes-of-il-17a-in-serum-csf-of-mice-with-ischemic-stroke
#16
Shujuan Li, Qingqing Dai, Jinling Yu, Ting Liu, Shuiqiao Liu, Longhui Ma, Ying Zhang, Song Han, Junfa Li
BACKGROUND: Interleukin (IL)-17A was reported to be involved in the development of post-ischemic stroke inflammatory response and functional recovery. However, the IL-17A dynamic changes in serum/cerebrospinal fluid (CSF) and its role in neuronal injury following ischemic stroke are unclear. METHODS: In vivo ischemic stroke was induced by 1 h of middle cerebral artery occlusion (MCAO) and 6 h-7 d reperfusion (R) in mice, while in vitro stroke was induced by 1 h oxygen-glucose deprivation (OGD)/24 h reoxygenation (R) in cultured cortical neurons...
April 25, 2017: Neurological Research
https://www.readbyqxmd.com/read/28436304/the-pten-inhibitor-bpv-pic-promotes-neuroprotection-against-amyloid-%C3%AE-peptide-25-35-induced-oxidative-stress-and-neurotoxicity
#17
Xiao-Ying Liu, Li-Jing Zhang, Zhou Chen, Li-Bin Liu
OBJECTIVES: The aim of this study was to elucidate the mechanism underlying the neuroprotective effects of the phosphatase and tensin homolog (PTEN) inhibitor, bisperoxovanadium-pic [bpV(pic)]. METHODS: We determined the effects of bpV(pic) on amyloid-β-peptide-(25-35)-induced neurotoxicity, particularly intracellular reactive oxygen species (ROS) production and mitochondria-mediated apoptotic signaling, in a human neuroblastoma (SH-SY5Y) cell model. RESULTS: We found that exposure of SH-SY5Y cells to amyloid β peptides (Aβ25-35) resulted in a significant reduction in cell viability accompanied by increased lactate dehydrogenase (LDH) release, elevated levels of intracellular ROS, and decreased superoxide dismutase (SOD) activities, all of which were reversed by co-treatment with bpV(pic)...
April 23, 2017: Neurological Research
https://www.readbyqxmd.com/read/28436268/collateral-circulation-alters-downstream-hemodynamic-stress-caused-by-intracranial-atherosclerotic-stenosis
#18
Xin Liu, David Dornbos, Yuehua Pu, Xinyi Leng, Ligang Song, Baixue Jia, Yuesong Pan, David Wang, Zhongrong Miao, Yilong Wang, Liping Liu, Yongjun Wang
OBJECTIVES: Fractional flow reserve (FFR) accurately predicts the degree of stenosis and is now widely used to identify clinically significant severe coronary artery lesions. In the current study, we utilized a similar indicator, fractional flow (FF), to determine the hemodynamic impact of symptomatic intracranial atherosclerotic stenosis (ICAS) and to assess the correlation of FF with the severity of stenosis and collateral circulation. METHODS: Patients with symptomatic ICAS (70-99% stenosis) confirmed on digital subtraction angiography (DSA) were consecutively recruited...
April 23, 2017: Neurological Research
https://www.readbyqxmd.com/read/28431475/validation-of-the-essen-stroke-risk-score-in-different-subtypes-of-ischemic-stroke
#19
Yi Liu, Yongjun Wang, William A Li, Aoshuang Yan, Yilong Wang
OBJECTIVE: Predictive scores are important tools for stratifying patients based on their risk of future vascular events and for selecting preventive therapies. The aim of this study is to validate the Essen Stroke Risk Score (ESRS) for stratifying stroke recurrence in different subtypes of non-atrial fibrillation ischemic stroke in a large Chinese cohort. METHODS: Data were derived from the Blood pressure and clinical Outcome in Stroke Survivors registry, which includes a cohort of 2204 stroke patients...
April 21, 2017: Neurological Research
https://www.readbyqxmd.com/read/28431474/previous-hypertensive-hemorrhage-increases-the-risk-for-bleeding-and-ischemia-for-pci-patients-on-dual-antiplatelet-therapy
#20
Manli Qiao, Qi Bi, Paul Fu, Yixin Wang, Zhe Song, Fang Guo
OBJECTIVES: The use of antiplatelet therapy after intracerebral hemorrhage remains controversial, while the use of dual antiplatelet therapy (DAPT) is required after cardiac stenting. In this study, we examine the risk of bleeding and ischemic events for PCI patients with a history of hypertensive hemorrhage on DAPT. METHODS: A total of 128 cases and 153 controls were selected from Chinese patients with cardiac stenting on dual anti-platelet therapy for a single-center retrospective case-control study...
April 21, 2017: Neurological Research
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